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Vohra P, Khorsandi N, Baskota SU. A comprehensive review of anal cancer-with a special focus on anal cytology. J Am Soc Cytopathol 2024; 13:122-140. [PMID: 38097479 DOI: 10.1016/j.jasc.2023.11.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 10/23/2023] [Accepted: 11/06/2023] [Indexed: 03/16/2024]
Abstract
The diagnosis of anal cancer is relatively uncommon, but its incidence has been steadily increasing in high-risk populations. In the 2001 Bethesda System for Reporting Cervical Cytology, anal cytology was introduced as a component. Since then, it has been recognized as a potential tool for screening anal cancer, often in conjunction with high-resolution anoscopy. There are notable similarities between anal cancer and cervical cancer, including the causative role of human papillomavirus. However, there are also significant differences, particularly in terms of disease prevalence. Anal cytology may be used as a primary screening test, and in the event of abnormalities, patients are subsequently directed for high-resolution anoscopy. However, the best approach for anal cancer screening is yet to be determined and uniformly implemented. This comprehensive review article provides an in-depth analysis of the epidemiology and incidence of anal precursor and malignant lesions. It explores the various methods of sample procurement, preparation, interpretation (including sensitivity and specificity), and reporting terminology in anal cytology. The article also addresses the significance of concurrent high-risk human papillomavirus screening in anal cytology and its role in screening programs. Furthermore, it discusses the follow-up, prevention, and subsequent management strategies for anal cancers. By synthesizing current knowledge in these areas, this review aims to provide a comprehensive understanding of anal cytology and its implications in the early detection, prevention, and management of anal neoplasia and cancer.
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Affiliation(s)
- Poonam Vohra
- Department of Pathology, University of California, San Francisco, California.
| | - Nikka Khorsandi
- Department of Pathology, University of California, San Francisco, California
| | - Swikrity Upadhyay Baskota
- Department of Pathology and Cell Biology, New York-Presbyterian/Columbia University Irving Medical Center, New York, New York
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Walker RJB, Easson AM, Hosni A, Kim J, Weiss ES, Santiago AT, Chesney TR, Salit IE. Anal Cancers in Previously Screened Versus Unscreened Patients: Tumor Stage and Treatment Outcomes. Dis Colon Rectum 2024; 67:32-41. [PMID: 37787557 DOI: 10.1097/dcr.0000000000002922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
BACKGROUND Targeted screening programs for patients at high risk for anal squamous-cell carcinoma have been proposed; however, the evidence in support of screening remains unclear. OBJECTIVE This study aimed to determine whether screening high-risk patients (predominantly those living with HIV) detected squamous-cell carcinoma at an earlier stage compared to the routine practice of not screening. DESIGN This is a cohort study. SETTINGS This study was conducted at a quaternary care center in Canada. PATIENTS Included patients were at least 18 years old with a pathologic diagnosis of invasive anal squamous-cell carcinoma between 2002 and 2022. INTERVENTIONS Patients diagnosed through a high-risk screening program were compared to those who did not undergo screening. MAIN OUTCOME MEASURES The primary outcome was clinical stage at presentation, categorized as T1N0M0 vs other. Secondary outcomes included treatments received, treatment failure, and overall survival. RESULTS A total of 612 patients with anal squamous-cell carcinoma were included, with 26 of those patients diagnosed through a screening program. Patients with screen-detected cancers had greater odds of presenting with T1N0M0 tumors compared to unscreened patients (18 [69.2%] vs 84 [14.3%]; adjusted OR 9.95; 95% CI, 3.95-25.08). A propensity score-matched sensitivity analysis found similar results (OR 11.13; 95% CI, 4.67-26.52). Screened patients had greater odds of treatment with wide local excision alone, as opposed to any combination of chemotherapy, radiation therapy, and surgery (3 [12.5%] vs 18 [3.2%]; OR 4.38; 95% CI, 1.20-16.04). There were no statistically significant differences in treatment failure or overall survival between groups. LIMITATIONS The small number of screened patients limits the power of the analysis. CONCLUSIONS Screening for anal squamous-cell carcinoma among high-risk populations detects cancers at an earlier stage. Patients with screen-detected cancers also had a greater likelihood of being candidates for wide local excision alone, which may have spared them the morbidity associated with chemoradiotherapy or abdominoperineal resection. See Video Abstract. CNCERES DE ANO EN PACIENTES PREVIAMENTE DETECTADOS POR CRIBADO VERSUS NO DETECTADOS ESTADIO DEL TUMOR Y RESULTADOS DEL TRATAMIENTO ANTECEDENTES:Se han propuesto programas de cribado dirigidos a pacientes con alto riesgo de carcinoma anal de células escamosas; sin embargo, la evidencia a favor de la detección sigue sin estar clara.OBJETIVO:Este estudio tuvo como objetivo determinar si el cribado de pacientes de alto riesgo (predominantemente aquellos que viven con el VIH) detectó el carcinoma de células escamosas en una etapa más temprana en comparación con la práctica habitual de no cribado.DISEÑO:Este es un estudio de cohortes.CONFIGURACIÓN:Este estudio se realizó en un centro de atención cuaternaria en Canadá.PACIENTES:Los pacientes incluidos tenían al menos 18 años con un diagnóstico patológico de carcinoma de células escamosas anal invasivo entre 2002 y 2022.INTERVENCIONES:Los pacientes diagnosticados mediante un programa de cribado de alto riesgo se compararon con aquellos que no se sometieron a cribado.PRINCIPALES MEDIDAS DE RESULTADO:El resultado primario fue el estadio clínico en la presentación, categorizado como T1N0M0 versus otro. Los resultados secundarios incluyeron los tratamientos recibidos, el fracaso del tratamiento y la supervivencia general.RESULTADOS:Se incluyeron un total de 612 pacientes con carcinoma anal de células escamosas, con 26 de esos pacientes diagnosticados a través de un programa de cribado. Los pacientes con cánceres detectados mediante cribado tenían mayores probabilidades de presentar tumores T1N0M0 en comparación con los pacientes no cribados (18 [69.2%] frente a 84 [14.3%]; razón de probabilidad ajustada 9.95; intervalo de confianza del 95 % 3.95 -25.08). Un análisis de sensibilidad emparejado por puntaje de propensión encontró resultados similares (odds ratio 11.13; intervalo de confianza del 95% 4.67 -26.52; p < 0.001). Los pacientes examinados tenían mayores probabilidades de recibir tratamiento con escisión local amplia sola, en comparación con cualquier combinación de quimioterapia, radiación y cirugía (3 [12.5%] frente a 18 [3.2%]; razón de probabilidad 4.38; intervalo de confianza del 95 % 1.20 -16.04). No hubo diferencias estadísticamente significativas en el fracaso del tratamiento o la supervivencia global entre los grupos.LIMITACIONES:El pequeño número de pacientes evaluados limita el poder del análisis.CONCLUSIONES:La detección del carcinoma anal de células escamosas entre las poblaciones de alto riesgo detecta los cánceres en una etapa más temprana. Los pacientes con cánceres detectados mediante cribado también tenían una mayor probabilidad de ser candidatos para una escisión local amplia sola, lo que puede haberles evitado la morbilidad asociada con la quimiorradioterapia o la resección abdominoperineal. (Traducción --Dr. Aurian Garcia Gonzalez ).
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Affiliation(s)
- Richard J B Walker
- Department of Surgery, University Health Network, Toronto, Ontario, Canada
- Division of General Surgery, Department of Surgery, University of Toronto, Toronto, Ontario, Canada
| | - Alexandra M Easson
- Department of Surgery, University Health Network, Toronto, Ontario, Canada
- Division of General Surgery, Department of Surgery, University of Toronto, Toronto, Ontario, Canada
- Department of Surgical Oncology, Mount Sinai Hospital, Toronto, Ontario, Canada
| | - Ali Hosni
- Department of Radiation Oncology, University of Toronto, Toronto, Ontario, Canada
- Radiation Medicine Program, Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada
| | - John Kim
- Department of Radiation Oncology, University of Toronto, Toronto, Ontario, Canada
- Radiation Medicine Program, Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada
| | - Edward S Weiss
- Department of Medicine, University Health Network, Toronto, Ontario, Canada
| | - Anna T Santiago
- Department of Biostatistics, University Health Network, Toronto, Ontario, Canada
| | - Tyler R Chesney
- Division of General Surgery, Department of Surgery, University of Toronto, Toronto, Ontario, Canada
- Department of Surgery, St. Michael's Hospital, Unity Health Toronto, Toronto, Ontario, Canada
- Li Ka Shing Knowledge Institute, St. Michael's Hospital, Unity Health Toronto, Toronto, Ontario, Canada
| | - Irving E Salit
- Department of Medicine, University Health Network, Toronto, Ontario, Canada
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Monti E, Salmaso M, Alberico D, Emily Cetera G, Viscardi A, Boero V, Di Loreto E, Libutti G, Roncella E, Barbara G. Prevalence of high-grade anal intraepithelial neoplasia in immunocompetent women treated for high-grade cervical intraepithelial neoplasia. Eur J Obstet Gynecol Reprod Biol 2023; 291:82-87. [PMID: 37852112 DOI: 10.1016/j.ejogrb.2023.10.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 09/30/2023] [Accepted: 10/09/2023] [Indexed: 10/20/2023]
Abstract
BACKGROUND The aim of the study was to evaluate the prevalence of high-grade anal intraepithelial neoplasia (AIN2-3) among immunocompetent women treated for high-grade cervical intraepithelial neoplasia (CIN2-3). Such knowledge is strongly needed to establish whether a screening program should be recommended in this group of patients. METHODS This prospective study included a cohort of consecutive women with no known causes of immunosuppression treated with LEEP (loop electrosurgical excision procedure) for a histopathological diagnosis of CIN2-3 in our center between 2019 and 2021. Following the procedure, all patients were invited to undergo anal cytology and anal high-risk HPV-DNA testing (aHPV-DNA). In cases in which one or both tests resulted positive, a high-resolution anoscopy with a biopsy of suspicious lesions was performed. All women also completed a questionnaire on sexual habits. RESULTS At total of 100 women were enrolled in the study. Among these, eight patients had a concomitant or past diagnosis of anogenital warts, while one patient had received a previous diagnosis of high-grade vaginal intraepithelial neoplasia. Anal Pap smears were positive for low-grade lesions in three patients, while 73 women tested positive for aHPV-DNA. Histological examinations revealed the presence of AIN2-3 lesions in four patients (6.5%; 95% C.I., 1.8 to 15.7%), who subsequently underwent excisional treatment. CONCLUSIONS Women with a history of high-grade cervical intraepithelial neoplasia have an intermediate risk of developing high-grade anal intraepithelial neoplasia. Future studies are needed in order to assess an ideal screening approach for this condition.
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Affiliation(s)
- Ermelinda Monti
- Gynecology Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, via della Commenda 12, Milan, Italy.
| | - Marta Salmaso
- Gynecology Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, via della Commenda 12, Milan, Italy.
| | - Daniela Alberico
- Gynecology Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, via della Commenda 12, Milan, Italy.
| | - Giulia Emily Cetera
- Gynecology Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, via della Commenda 12, Milan, Italy.
| | - Anna Viscardi
- Gynecology Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, via della Commenda 12, Milan, Italy.
| | - Veronica Boero
- Gynecology Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, via della Commenda 12, Milan, Italy.
| | - Eugenia Di Loreto
- Gynecology Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, via della Commenda 12, Milan, Italy.
| | - Giada Libutti
- Gynecology Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, via della Commenda 12, Milan, Italy.
| | - Elena Roncella
- Gynecology Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, via della Commenda 12, Milan, Italy.
| | - Giussy Barbara
- Gynecology Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, via della Commenda 12, Milan, Italy; Department of Clinical Sciences and Community Health, University of Milan, via della Commenda 12, Milan, Italy.
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Cruz G, Ramos-Cartagena JM, Torres-Russe JL, Colón-López V, Ortiz-Ortiz KJ, Pericchi L, Deshmukh AA, Ortiz AP. Barriers and facilitators to anal cancer screening among people living with HIV in Puerto Rico. BMC Public Health 2023; 23:1940. [PMID: 37803344 PMCID: PMC10559598 DOI: 10.1186/s12889-023-16847-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Accepted: 09/27/2023] [Indexed: 10/08/2023] Open
Abstract
BACKGROUND Anal cancer (AC) disproportionally affects people living with HIV (PLWH). Although there are no consensus-based AC screening guidelines, experts recommend anal pap as a primary screening tool in settings where high-resolution anoscopy (HRA) is available. We aimed to assess barriers and facilitators to anal cancer screening in a sample of Hispanic PLWH in Puerto Rico. METHODS To assess their knowledge and attitudes, we conducted a cross-sectional survey from 2020-2021 among PLWH in Puerto Rico (n = 212). Data was collected through a telephone interview that assessed information on sociodemographics, knowledge, and attitudes about AC, and the history of AC screening. The chi-square test, Fisher exact test, and logistic regression models were used to assess factors associated with screening uptake. RESULTS Anal Pap and HRA awareness were 60.4% and 30.7%, respectively. Anal Pap and HRA uptake was 51.5% and 19.3%, respectively. The most common barriers for anal Pap and HRA were lack of knowledge about the test and lack of physician recommendation. MSM were more likely to have heard of anal Pap (OR: 2.15, 95% CI:1.30-3.54) than MSW. MSM (OR: 3.04, 95% CI: 1.79-5.19) and women (OR: 3.00, 95% CI: 1.72-5.20) were also more likely to have undergone anal Pap. Similarly, individuals with a history of genital warts were more likely to have heard of anal Pap and HRA and have undergone anal Pap and HRA. Awareness of where to go for concerns about anal health was positively associated with having received anal Pap and HRA. CONCLUSIONS With emerging evidence on the effectiveness of screening and treatment for anal cancer, several organizations are steering toward generating consensus-based anal cancer screening recommendations. Our study provides foundational data on barriers and facilitators to anal cancer screening in Puerto Rico that will be critical to informing screening implementation in this US territory.
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Affiliation(s)
- Gabriela Cruz
- College of Public Health, University of South Florida, 13201 Bruce B Downs Blvd, Tampa, FL, 33612, USA
| | - Jeslie M Ramos-Cartagena
- Medical Science Campus, University of Puerto Rico/MD Anderson Cancer Center Partnership for Excellence in Cancer Research, PO BOX 365067, San Juan, 00936-5067, Puerto Rico
| | - José L Torres-Russe
- University of Puerto Rico Comprehensive Cancer Center, PO Box 363027, San Juan, 00936-3027, Puerto Rico
| | - Vivian Colón-López
- University of Puerto Rico Comprehensive Cancer Center, PO Box 363027, San Juan, 00936-3027, Puerto Rico
| | - Karen J Ortiz-Ortiz
- University of Puerto Rico Comprehensive Cancer Center, PO Box 363027, San Juan, 00936-3027, Puerto Rico
- Puerto Rico Central Cancer Registry, San Juan, Puerto Rico
| | - Luis Pericchi
- Department of Mathematics, University of Puerto Rico, Rio Piedras Campus, Medical Science Campus, PO BOX 365067, San Juan, 00936-5067, Puerto Rico
| | - Ashish A Deshmukh
- Medical University of South Carolina, 68 President St, BE 103, Charleston, SC, 29425, USA
- Hollings Cancer Center, Medical University of South Carolina, Charleston, SC, USA
| | - Ana Patricia Ortiz
- University of Puerto Rico Comprehensive Cancer Center, PO Box 363027, San Juan, 00936-3027, Puerto Rico.
- Graduate School of Public Health, Medical Sciences Campus, University of Puerto Rico, San Juan, Puerto Rico.
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Ramos-Cartagena JM, Keller K, Guiot HM, Muñoz C, Colón-López V, Deshmukh AA, Suárez EL, Tirado-Gómez M, Ortiz AP. Evaluating the performance of anal cytology and high-risk HPV genotyping for detecting anal HSIL in a clinic-based sample of people living with and without HIV in Puerto Rico. Cancer Cytopathol 2023; 131:655-664. [PMID: 37358055 PMCID: PMC10650567 DOI: 10.1002/cncy.22738] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 05/19/2023] [Accepted: 05/22/2023] [Indexed: 06/27/2023]
Abstract
BACKGROUND Given the disproportionately elevated anal cancer risk in high-risk populations, it is important to assess the performance of commonly used anal cancer screening tools to improve the effectiveness of detection and treatment methods. This study evaluates 1) the concordance between anal cytology and histology results and 2) the performance of cytology and high-risk human papillomavirus (HR-HPV) genotyping as screening tools for detecting histologically confirmed anal high-grade squamous intraepithelial lesions (HSIL). METHODS Data from the Anal Neoplasia Clinic in Puerto Rico (2014-2021; n = 466) was used. The clinical performance of anal cytology and HR-HPV genotyping to detect HSIL was compared to the gold standard: high-resolution anoscopy-guided biopsy. Sensitivity, specificity, positive predictive value, negative predictive value, and κ coefficients were calculated. RESULTS A total of 66.95% of the patients were men, 74.0% were people living with HIV, 76.2% had anal HR-HPV infection, and 40.34% had histologically confirmed anal HSIL. The weighted κ statistic between the tests (cytology and histology) was 0.25 (p < .001). The sensitivity and specificity of cytology alone to detect anal HSIL were 84.3% (95% confidence interval [CI], 78.3%-89.1%) and 36.0% (95% CI, 30.3%-42.0%), respectively. Anal HR-HPV genotyping had higher sensitivity (92.2%; 95% CI, 87.4%-95.6%) and similar specificity (34.8%; 95% CI, 29.2%-40.7%) compared to cytology. The two tests combined (positive results following cytology or HR-HPV test) improved sensitivity to detect anal HSIL (97.9%; 95% CI, 94.8%-99.4%), but specificity was compromised (19.2%; 95% CI, 14.7%-24.4%). CONCLUSION Although HR-HPV genotyping improved the detection of anal HSIL, HR-HPV testing had lower specificity than anal cytology alone.
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Affiliation(s)
| | | | - Humberto M. Guiot
- University of Puerto Rico Comprehensive Cancer Center, San Juan, Puerto Rico
- School of Medicine, University of Puerto Rico, Medical Sciences Campus, San Juan, Puerto Rico
| | - Cristina Muñoz
- University of Puerto Rico Comprehensive Cancer Center, San Juan, Puerto Rico
| | - Vivian Colón-López
- University of Puerto Rico Comprehensive Cancer Center, San Juan, Puerto Rico
| | - Ashish A. Deshmukh
- Department of Public Health Sciences, College of Medicine, Medical University of South Carolina, Charleston, South Carolina
- Hollings Cancer Center, Medical University of South Carolina, Charleston, South Carolina
| | - Erick L. Suárez
- University of Puerto Rico Comprehensive Cancer Center, San Juan, Puerto Rico
| | - Maribel Tirado-Gómez
- University of Puerto Rico Comprehensive Cancer Center, San Juan, Puerto Rico
- School of Medicine, University of Puerto Rico, Medical Sciences Campus, San Juan, Puerto Rico
| | - Ana Patricia Ortiz
- University of Puerto Rico Comprehensive Cancer Center, San Juan, Puerto Rico
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Abstract
This chapter provides an overview of anal cancer and contemporary approaches for anal precancer detection, beginning with a discussion of the biology and natural history of anal squamous cell carcinoma, the predominant human papillomavirus -associated histologic subtype of anal cancer. This section is followed by a description of the epidemiology of anal cancer, including trends in incidence and mortality, a discussion of populations with elevated risk for anal cancer and an overview of associated risk factors. The remainder of the chapter provides the most up-to-date evidence on tools and approaches for anal cancer prevention, screening, and early detection; including, the role of human papillomavirus vaccination for primary prevention; anal cytology, high resolution anoscopy and novel biomarkers for secondary prevention; and digital anal-rectal examination for early detection.
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Affiliation(s)
- Camryn M Cohen
- Division of Cancer Epidemiology & Genetics, National Cancer Institute, Rockville, Maryland
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Sanger CB, Kalbfell E, Cherney-Stafford L, Striker R, Alagoz E. A Qualitative Study of Barriers to Anal Cancer Screenings in US Veterans Living with HIV. AIDS Patient Care STDS 2023; 37:436-446. [PMID: 37713286 DOI: 10.1089/apc.2023.0144] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/17/2023] Open
Abstract
People living with human immunodeficiency virus (HIV) are at high risk for anal cancer. Anal cancer screenings are recommended annually for US veterans with HIV. Screenings can identify treatable precursor lesions and prevent cancer development. In a previous study, we found screening rate to be only 15%. Semistructured interviews were conducted with Veterans Affairs (VA) providers who treat veterans living with HIV. Participants described their experiences with anal cancer screenings. Researchers developed a codebook based on Theoretical Domains Framework (TDF) and coded data using thematic analysis to identify barriers to anal cancer screenings. Twenty-three interviews were conducted with VA providers representing 10 regions. Barriers identified corresponded with five targetable TDF domains: Knowledge, Skills, Environmental Context/Resources, Professional Roles/Identities, and Social Influence. Many providers lacked knowledge of screening protocols. Knowledgeable providers often lacked needed resources, including swabs, clinic space, reliable pathology, access to high-resolution anoscopy, or leadership support to implement a screening program. Providers mentioned competing priorities in the care of veterans with HIV infection and lack of skilled/trained personnel to perform the tests. It was often unclear which provider specialty should "own" screening responsibilities. Additional factors included patient discomfort with screening exams. Anal cancer screening protocols are recommended but not widely adopted in VA. There is a critical need to address barriers to anal cancer screenings in veterans. The TDF domains identified align with five intervention domains to target, including education, training, resource/environment, delineation of provider roles, and improved counseling efforts. Targeting these barriers may help improve the uptake of anal cancer screenings within VA.
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Affiliation(s)
- Cristina B Sanger
- Division of Colon and Rectal Surgery, Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
- Department of Surgery, W. S. Middleton Memorial Veterans' Hospital, Madison, Wisconsin, USA
- Department of Surgery, Wisconsin Surgical Outcomes Research Program (WiSOR), School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Elle Kalbfell
- Department of Surgery, Wisconsin Surgical Outcomes Research Program (WiSOR), School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Linda Cherney-Stafford
- Department of Surgery, Wisconsin Surgical Outcomes Research Program (WiSOR), School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Rob Striker
- Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Esra Alagoz
- Department of Surgery, Wisconsin Surgical Outcomes Research Program (WiSOR), School of Medicine and Public Health, Madison, Wisconsin, USA
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Atkinson TM, Lensing S, Lee JY, Chang D, Kim SY, Li Y, Lynch KA, Webb A, Holland SM, Lubetkin EI, Goldstone S, Einstein MH, Stier EA, Wiley DJ, Mitsuyasu R, Rosa-Cunha I, Aboulafia DM, Dhanireddy S, Schouten JT, Levine R, Gardner E, Logan J, Dunleavy H, Barroso LF, Bucher G, Korman J, Stearn B, Wilkin TJ, Ellsworth G, Pugliese JC, Arons A, Burkhalter JE, Cella D, Berry-Lawhorn JM, Palefsky JM. Construct validity and responsiveness of a health-related symptom index for persons either treated or monitored for anal high-grade squamous intraepithelial lesions (HSIL): AMC-A01/-A03. Qual Life Res 2023; 32:2293-2304. [PMID: 37020153 PMCID: PMC10330891 DOI: 10.1007/s11136-023-03391-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/04/2023] [Indexed: 04/07/2023]
Abstract
PURPOSE To determine whether treatment of anal high-grade squamous intraepithelial lesions (HSIL), vs active monitoring, is effective in reducing incidence of anal cancer in persons living with HIV, the US National Cancer Institute funded the Phase III ANal Cancer/HSIL Outcomes Research (ANCHOR) clinical trial. As no established patient-reported outcomes (PRO) tool exists for persons with anal HSIL, we sought to estimate the construct validity and responsiveness of the ANCHOR Health-Related Symptom Index (A-HRSI). METHODS The construct validity phase enrolled ANCHOR participants who were within two weeks of randomization to complete A-HRSI and legacy PRO questionnaires at a single time point. The responsiveness phase enrolled a separate cohort of ANCHOR participants who were not yet randomized to complete A-HRSI at three time points: prior to randomization (T1), 14-70 (T2), and 71-112 (T3) days following randomization. RESULTS Confirmatory factor analysis techniques established a three-factor model (i.e., physical symptoms, impact on physical functioning, impact on psychological functioning), with moderate evidence of convergent validity and strong evidence of discriminant validity in the construct validity phase (n = 303). We observed a significant moderate effect for changes in A-HRSI impact on physical functioning (standardized response mean = 0.52) and psychological symptoms (standardized response mean = 0.60) from T2 (n = 86) to T3 (n = 92), providing evidence of responsiveness. CONCLUSION A-HRSI is a brief PRO index that captures health-related symptoms and impacts related to anal HSIL. This instrument may have broad applicability in other contexts assessing individuals with anal HSIL, which may ultimately help improve clinical care and assist providers and patients with medical decision-making.
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Affiliation(s)
- Thomas M Atkinson
- Department of Psychiatry & Behavioral Sciences, Memorial Sloan Kettering Cancer Center, 633 Third Ave, New York, NY, 10017, USA.
| | - Shelly Lensing
- University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Jeannette Y Lee
- University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Di Chang
- University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Soo Young Kim
- Department of Psychiatry & Behavioral Sciences, Memorial Sloan Kettering Cancer Center, 633 Third Ave, New York, NY, 10017, USA
| | - Yuelin Li
- Department of Psychiatry & Behavioral Sciences, Memorial Sloan Kettering Cancer Center, 633 Third Ave, New York, NY, 10017, USA
| | - Kathleen A Lynch
- Department of Psychiatry & Behavioral Sciences, Memorial Sloan Kettering Cancer Center, 633 Third Ave, New York, NY, 10017, USA
- School of Global Public Health, New York University, New York, NY, USA
| | - Andrew Webb
- Department of Psychiatry & Behavioral Sciences, Memorial Sloan Kettering Cancer Center, 633 Third Ave, New York, NY, 10017, USA
| | - Susan M Holland
- Department of Psychiatry & Behavioral Sciences, Memorial Sloan Kettering Cancer Center, 633 Third Ave, New York, NY, 10017, USA
| | | | | | | | | | - Dorothy J Wiley
- University of California, Los Angeles School of Nursing, Los Angeles, CA, USA
| | - Ronald Mitsuyasu
- UCLA Center for Clinical AIDS Research and Education, Los Angeles, CA, USA
| | | | | | | | - Jeffrey T Schouten
- Virginia Mason Medical Center, Seattle, WA, USA
- Harborview Medical Center, Seattle, WA, USA
| | | | - Edward Gardner
- Public Health Institute at Denver Health, Denver, CO, USA
| | - Jeffrey Logan
- Public Health Institute at Denver Health, Denver, CO, USA
| | | | - Luis F Barroso
- Atrium Health Wake Forest Baptist, Winston-Salem, NC, USA
| | - Gary Bucher
- Anal Dysplasia Clinic MidWest, Chicago, IL, USA
| | - Jessica Korman
- Metropolitan Gastroenterology Group, Washington, DC, USA
| | | | | | | | - Julia C Pugliese
- ANCHOR Data Management Center of The Emmes Company, LLC, Rockville, MD, USA
| | - Abigail Arons
- ANCHOR Data Management Center of The Emmes Company, LLC, Rockville, MD, USA
| | - Jack E Burkhalter
- Department of Psychiatry & Behavioral Sciences, Memorial Sloan Kettering Cancer Center, 633 Third Ave, New York, NY, 10017, USA
| | - David Cella
- Northwestern University Feinberg School of Medicine, Chicago, IL, USA
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Human Papillomavirus Genotypes Infecting the Anal Canal and Cervix in HIV+ Men and Women, Anal Cytology, and Risk Factors for Anal Infection. Pathogens 2023; 12:pathogens12020252. [PMID: 36839524 PMCID: PMC9963202 DOI: 10.3390/pathogens12020252] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 01/24/2023] [Accepted: 01/27/2023] [Indexed: 02/08/2023] Open
Abstract
The incidence of anal intraepithelial neoplasias associated with HPV is rising worldwide. In the general population, this pathology is rare, but individuals living with HIV/AIDS are at a significantly higher risk. We aimed to study HPV infection and performed cytological screening to study the epidemiological and behavioral determinants in a group of men and women living with HIV from a region in Mexico with high HIV incidence. This was a cross-sectional study including adults living with HIV/AIDS performed in Merida (Mexico). We invited patients of public HIV/STD clinics and those affiliated with social organizations of people living with HIV to participate in the study. Participants responded to an instrument to assess their risky behaviors and clinical history. Swabs from the anal canal and cervix and anal cytology specimens were obtained by medical staff from women and by self-sampling from men. For the 200 participants, 169 men and 31 women, anal HPV PCR tests resulted in 59.8% positivity (62.6% of men and 45.2% of women), and 17 genotypes were identified. The most frequent high-risk (HR) types for the anal canal were: HPV33 (35.3%), HPV58 (20.6%), HPV66 (18.6%), HPV45 (17.6%), and HPV16 (14.7%). Multiple genotypes were found in over 80% of the participants. Receptive anal intercourse in the previous 12 months, inconsistent condom use, and detectable HIV titers (≥50 cc/mL) were associated with HPV infection (p < 0.05). Cytology (smears and liquid-based) identified that 34.6% of the participants had low-grade squamous intraepithelial lesions (LSILs), and 3.5% had high-grade squamous intraepithelial lesions (HSILs). Neither HPV nor lesions were associated with low CD4+ counts (<200 cells/mm3, p > 0.05). Of the women, 60% were infected in the cervix and 45% in the anal canal, with an agreement of at least one genotype in 90%. The HR-HPV types associated with HSILs were HPV66, 33, 52, 51, 45, 18, and 68.
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10
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Soto-Salgado M, Suárez E, Viera-Rojas TD, Pericchi LR, Ramos-Cartagena JM, Deshmukh AA, Tirado-Gómez M, Ortiz AP. Development of a multivariable prediction model for anal high-grade squamous intraepithelial lesions in persons living with HIV in Puerto Rico: a cross-sectional study. LANCET REGIONAL HEALTH. AMERICAS 2023; 17:100382. [PMID: 36742079 PMCID: PMC9894264 DOI: 10.1016/j.lana.2022.100382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Background Persons living with HIV (PLWH) are at high risk of developing anal high-grade squamous intraepithelial lesions (HSIL). We aimed to develop a prediction model for anal HSIL based on individual characteristics of PLWH. Methods Cross-sectional study of PLWH aged ≥21 years who attended the Anal Neoplasia Clinic of the University of Puerto Rico Comprehensive Cancer Center from 2016 to 2022. The primary outcome was biopsy-confirmed anal HSIL. For each sex, relations between potential predictors and HSIL were examined using univariate (ULRM) and multivariable (MLRM) logistic regression models. Risk modelling was performed with MLRM and validated with bootstrapping techniques. The area under the ROC Curves (AUC) was estimated with 95% CI. Findings HSIL was detected among 45.11% of patients, 68.48% were males, and 59.42% were ≥45 aged. Multivariable analysis showed that, in women, the only significant predictor for HSIL was having a previous abnormal anal cytology (p = 0.01). In men, significant predictors for HSIL were having a previous abnormal anal cytology (p < 0.001) and a history of infection with any gonorrhoea (p = 0.002). Other suggestive predictors for HSIL among women were obesity and smoking. No association between smoking and HSIL among men was observed (p < 0.05). The AUC estimated among women (0.732, 95% CI: 0.651-0.811) was higher than in men (0.689, 95% CI: 0.629-0.748). Interpretation Our results support that the inclusion of individual characteristics into the prediction model will adequately predict the presence of HSIL in PLWH. Funding This work was supported by the NCI (Grants #U54CA096297, #R25CA240120), the NIGMS (Grant #U54GM133807), and the NIMHD (Grant #U54MD007587).
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Affiliation(s)
- Marievelisse Soto-Salgado
- Division of Cancer Control and Population Sciences, University of Puerto Rico (UPR) Comprehensive Cancer Center, San Juan, PR, USA,Department of Health Services Administration, Graduate School of Public Health, UPR Medical Sciences Campus, San Juan, PR, USA,Corresponding author. University of Puerto Rico Comprehensive Cancer Center, PMB 371, PO Box 70344, San Juan, 00936, Puerto Rico. , (M. Soto-Salgado)
| | - Erick Suárez
- Department of Biostatistics and Epidemiology, Graduate School of Public Health, UPR Medical Sciences Campus, San Juan, PR, USA
| | - Tariz D. Viera-Rojas
- Cancer Prevention and Control Research (CAPAC) Training Program, Division of Cancer Control and Population Sciences, UPR Comprehensive Cancer Center, San Juan, PR, USA
| | - Luis R. Pericchi
- Department of Mathematics, Faculty of Natural Sciences, UPR Rio Piedras Campus, PR, USA
| | - Jeslie M. Ramos-Cartagena
- UPR/MDACC Partnership for Excellence in Cancer Research Program, UPR Medical Sciences Campus, San Juan, PR, USA
| | - Ashish A. Deshmukh
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA,Hollings Cancer Center, Medical University of South Carolina, Charleston, SC, USA
| | - Maribel Tirado-Gómez
- Division of Cancer Medicine, UPR Comprehensive Cancer Center, San Juan, PR, USA,Hematology/Oncology Program, Department of Medicine, School of Medicine, UPR Medical Sciences Campus, San Juan, PR, USA
| | - Ana Patricia Ortiz
- Division of Cancer Control and Population Sciences, University of Puerto Rico (UPR) Comprehensive Cancer Center, San Juan, PR, USA,Department of Biostatistics and Epidemiology, Graduate School of Public Health, UPR Medical Sciences Campus, San Juan, PR, USA
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11
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Loerinc LB, Scheel AM, Thompson AB, Wall KM, Gillespie SE, McCallum ME, Flowers L, Camacho-Gonzalez AF. Factors Associated With Anal High-Grade Intraepithelial Lesions and Carcinoma Among Young Men Who Have Sex With Men and Transgender Women With HIV in Atlanta. J Low Genit Tract Dis 2023; 27:71-77. [PMID: 36305912 DOI: 10.1097/lgt.0000000000000714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
OBJECTIVE This study aimed to evaluate factors associated with anal high-grade intraepithelial lesions (HSIL) and anal carcinoma among young men who have sex with men (MSM) and transgender women (TW) with HIV in Atlanta, GA, to better inform screening guidelines and preventative measures. MATERIALS AND METHODS Cross-sectional retrospective chart review was completed for cisgender MSM and TW with HIV aged 13-25 years at the Grady Ponce and Family Youth Clinic in Atlanta, GA, from 2009 to 2020. High-grade anal disease was defined as anal intraepithelial neoplasia (AIN) 2, 3, or anal carcinoma (AIN 2+). Associations between clinical and demographic factors with AIN 2+ were estimated using logistic regression. Adjusted odds ratios (aORs) and associated 90% CIs are reported. RESULTS One hundred nine MSM and TW with HIV who underwent anoscopy were included. One hundred three participants received anal biopsies, and 62% had AIN 2+. Being incompletely or unvaccinated against human papillomavirus (HPV, 0-2 doses) relative to being fully vaccinated (3 doses; aOR = 5.85; 90% CI = 1.28-26.83; p = .06) and having ever received surgical treatment for anogenital HPV (aOR = 2.89; 90% CI = 1.10-7.65; p = .07) were associated with AIN 2+, controlling for age and CD4 T-cell count at time of biopsy. CONCLUSIONS Our study found a high prevalence of anal HSIL among young MSM and TW with HIV. Those who had ever received surgical treatment for anogenital HPV and those who were incompletely or unvaccinated against HPV were more likely to have HSIL. Our data emphasize the urgent need to improve HPV vaccination efforts and to pursue larger surveillance studies of anal HSIL and carcinoma among young MSM and TW with HIV.
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Affiliation(s)
| | - Amy M Scheel
- Emory University School of Medicine, Atlanta, GA
| | - Amelia B Thompson
- Division of Pediatric Infectious Diseases, Department of Pediatrics, AdventHealth for Children, Orlando, FL
| | - Kristin M Wall
- Emory University Rollins School of Public Health, Atlanta, GA
| | - Scott E Gillespie
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA
| | | | - Lisa Flowers
- Division of Gynecologic Oncology, Department of Gynecology and Obstetrics, Emory University School of Medicine, Atlanta, GA
| | - Andres F Camacho-Gonzalez
- Division of Pediatric Infectious Diseases, Department of Pediatrics, Children's Healthcare of Atlanta, Emory University School of Medicine, Atlanta, GA
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12
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Atkinson TM, Lynch KA, Vera J, Olivares NM, Webb A, Diamond LC, González J, Lubetkin EI, Bucher G, Rosa-Cunha I, Berry-Lawhorn JM, Levine R, Aboulafia D, Schouten J, Holland SM, Cella D, Palefsky JM. Linguistic validation of the Spanish version of the Anal Cancer High-Grade squamous intraepithelial lesions outcomes Research Health-Related Symptom Index (A-HRSI): AMC-A04. J Patient Rep Outcomes 2022; 6:108. [PMID: 36219358 PMCID: PMC9552152 DOI: 10.1186/s41687-022-00515-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 09/21/2022] [Indexed: 11/10/2022] Open
Abstract
OBJECTIVES The Anal Cancer High-grade squamous intraepithelial lesions (HSIL) Outcomes Research (ANCHOR) Health-Related Symptom Index (A-HRSI) is a 25-item measure that assesses physical symptoms and impacts, and psychological symptoms. To promote generalizability and equity in the capture of these concepts in Spanish-speaking participants, we linguistically validated a Spanish version of A-HRSI. METHODS Following independent forward translation and reconciliation of A-HRSI from English to Spanish, two rounds of cognitive interviews were completed with ANCHOR participants who had been diagnosed with anal HSIL in the prior nine months and preferred delivery of their healthcare in Spanish. Interviews were coded to highlight any items and concepts that were reported as being difficult for any reason by ≥ 3 participants, with such items revised during a research team panel discussion and tested in a second round of interviews if applicable. RESULTS Seventeen participants representing 8 nationalities were enrolled (Round 1 n=10, Round 2 n=7); 7 participants reported not completing high school (41.2%). No difficulties were reported with respect to the theoretical concepts measured by A-HRSI. We made modifications to the Spanish translation of eight items and two response option terms in cases where participants had difficulty understanding a term, experienced problems in discriminating between terms, or preferred the use of an alternative term to represent the concept(s). CONCLUSION The Spanish version of A-HRSI is a linguistically valid tool that can be used to assess physical symptoms, impacts, and psychological symptoms related to anal HSIL. Language is a tremendous barrier to enrolling patients to clinical trials. The anal cancer high-grade squamous intraepithelial lesions (HSIL) outcomes research [ANCHOR] trial is a randomized clinical trial that recently established that the treatment of anal HSIL, versus active monitoring, is effective in reducing incidence of anal cancer in persons living with HIV (PLWH). The ANCHOR Health-Related Symptom Index (A-HRSI) is a 25-item patient-reported outcomes measure that was developed to assess physical symptoms, physical impacts, and psychological symptoms related to anal HSIL. As approximately 10% of ANCHOR participants preferred the delivery of their healthcare in Spanish, the purpose of the present study was to linguistically validate a Spanish version of A-HRSI. Based on feedback from interviews with 17 participants from the ANCHOR trial who had been diagnosed with anal HSIL in the prior nine months and preferred delivery of their healthcare in Spanish, we made modifications to the Spanish translation of eight items and two response option terms in cases where participants had difficulty understanding a term, experienced problems in discriminating between terms, or preferred the use of an alternative term to represent the concept(s). The Spanish version of A-HRSI is a linguistically valid tool that can be used to assess physical symptoms, impacts, and psychological symptoms related to anal HSIL as part of clinical trials or routine care.
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Affiliation(s)
- Thomas M Atkinson
- Department of Psychiatry & Behavioral Sciences, Memorial Sloan Kettering Cancer Center, 641 Lexington Ave., 7th Floor, 10022, New York, NY, USA.
| | - Kathleen A Lynch
- Department of Psychiatry & Behavioral Sciences, Memorial Sloan Kettering Cancer Center, 641 Lexington Ave., 7th Floor, 10022, New York, NY, USA
- New York University, New York, NY, USA
| | - Jacqueline Vera
- Department of Psychiatry & Behavioral Sciences, Memorial Sloan Kettering Cancer Center, 641 Lexington Ave., 7th Floor, 10022, New York, NY, USA
| | - Nuria Mendoza Olivares
- Department of Psychiatry & Behavioral Sciences, Memorial Sloan Kettering Cancer Center, 641 Lexington Ave., 7th Floor, 10022, New York, NY, USA
- New York University, New York, NY, USA
| | - Andrew Webb
- Department of Psychiatry & Behavioral Sciences, Memorial Sloan Kettering Cancer Center, 641 Lexington Ave., 7th Floor, 10022, New York, NY, USA
| | - Lisa C Diamond
- Department of Psychiatry & Behavioral Sciences, Memorial Sloan Kettering Cancer Center, 641 Lexington Ave., 7th Floor, 10022, New York, NY, USA
| | - Javier González
- Department of Psychiatry & Behavioral Sciences, Memorial Sloan Kettering Cancer Center, 641 Lexington Ave., 7th Floor, 10022, New York, NY, USA
| | | | - Gary Bucher
- Anal Dysplasia Clinic MidWest, Chicago, IL, USA
| | | | | | | | | | | | - Susan M Holland
- Department of Psychiatry & Behavioral Sciences, Memorial Sloan Kettering Cancer Center, 641 Lexington Ave., 7th Floor, 10022, New York, NY, USA
| | - David Cella
- Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Joel M Palefsky
- University of California-San Francisco, San Francisco, CA, USA
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13
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Paceley MS, Kattari SK, Levin NJ, Banks A, Ramseyer Winter V, Bauerband L, Harper DM. Interdisciplinary, Inclusive, and Innovative: Promoting a Paradigmatic Shift in Cancer Research Among Transgender and Gender Diverse Adolescents and Young Adults. ANNALS OF LGBTQ PUBLIC AND POPULATION HEALTH 2022; 3:129-134. [PMID: 37885620 PMCID: PMC10601924 DOI: 10.1891/lgbtq-2021-0005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2023]
Abstract
Transgender and gender diverse (TGD) adolescents and young adults (AYA) face heightened risks of cancer due to cissexism and transphobia in healthcare, low cancer screening rates, limited knowledge and awareness of cancer risk and screenings, poor healthcare experiences, and exposure to sexually transmitted infections (STIs). Despite this, TGD AYA cancer risk is relatively unexamined in oncology research. To intervene early and mitigate risk, we require holistic understandings of cancer risk among TGD AYA. This research brief engages with an interdisciplinary knowledge base to identify gaps and limitations warranting critical attention by TGD AYA and cancer scholars. The current literature on TGD AYA risks for cancer are explored with specific attention to the social environment and its impact on cancer risk. The brief ends with a call to action for a paradigmatic shift to promote inclusive, innovative, and interdisciplinary cancer research with TGD AYA.
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14
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Cohen CM, Wentzensen N, Lahrmann B, Tokugawa D, Poitras N, Bartels L, Krauthoff A, Keil A, Miranda F, Castle PE, Lorey T, Hare B, Darragh TM, Grabe N, Clarke MA. Automated evaluation of p16/Ki-67 dual stain cytology as a biomarker for detection of anal precancer in MSM living with HIV. Clin Infect Dis 2022; 75:1565-1572. [PMID: 35325073 DOI: 10.1093/cid/ciac211] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Human papillomavirus (HPV)-related biomarkers such as p16/Ki-67 "dual stain" (DS) cytology have shown promising clinical performance for anal cancer screening. Here, we assessed the performance of automated evaluation of DS cytology to detect anal precancer in men who have sex with men (MSM) living with human immunodeficiency virus (HIV). METHODS We conducted a cross-sectional analysis of 320 MSM with HIV undergoing anal cancer screening and high-resolution anoscopy (HRA) between 2009-2010. We evaluated the performance of automated DS based on a deep-learning classifier compared to manual DS evaluation to detect anal intraepithelial neoplasia (AIN) grades 2 and 3 (AIN2+) and AIN3. We evaluated different DS-positive cell thresholds quantified by the automated approach and modeled its performance compared to other screening strategies in a hypothetical population of MSM with HIV. RESULTS Automated DS had significantly higher specificity (50.9% vs. 42.2%, p=0.0004) and similar sensitivity (93.2% vs. 92.1%) for detection of AIN2+ compared to manual DS cytology. HPV testing with automated DS triage was significantly more specific (56.5% vs. 50.9%, p=0.0003) with the same sensitivity (93.2%) compared to automated DS alone. In a modeled analysis assuming a 20% AIN2+ prevalence, automated DS detected the most precancers compared to manual DS and anal cytology (186,184, and 162, respectively) and had the lowest HRA referral per AIN2+ detected (3.1,3.5, and 3.3, respectively). CONCLUSIONS Compared to manual evaluation, automated DS cytology detects the same number of precancers with lower HRA referral.
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Affiliation(s)
- Camryn M Cohen
- Division of Cancer Epidemiology & Genetics, National Cancer Institute, Rockville, MD, USA
| | - Nicolas Wentzensen
- Division of Cancer Epidemiology & Genetics, National Cancer Institute, Rockville, MD, USA
| | - Bernd Lahrmann
- Steinbeis Transfer Center for Medical Systems Biology (STCMED), Heidelberg, Germany
| | - Diane Tokugawa
- Kaiser Permanante The Permanante Medical Group Regional Laboratory, Berkeley, CA, USA
| | - Nancy Poitras
- Kaiser Permanante The Permanante Medical Group Regional Laboratory, Berkeley, CA, USA
| | - Liam Bartels
- Steinbeis Transfer Center for Medical Systems Biology (STCMED), Heidelberg, Germany.,Hamamatsu Tissue Imaging and Analysis Center (TIGA), BIOQUANT, University Heidelberg, Heidelberg, Germany.,National Center of Tumor Diseases, Medical Oncology, University Hospital Heidelberg, Heidelberg, Germany
| | - Alexandra Krauthoff
- Steinbeis Transfer Center for Medical Systems Biology (STCMED), Heidelberg, Germany.,Hamamatsu Tissue Imaging and Analysis Center (TIGA), BIOQUANT, University Heidelberg, Heidelberg, Germany.,National Center of Tumor Diseases, Medical Oncology, University Hospital Heidelberg, Heidelberg, Germany
| | - Andreas Keil
- Steinbeis Transfer Center for Medical Systems Biology (STCMED), Heidelberg, Germany
| | - Felipe Miranda
- Steinbeis Transfer Center for Medical Systems Biology (STCMED), Heidelberg, Germany
| | - Philip E Castle
- Division of Cancer Epidemiology & Genetics, National Cancer Institute, Rockville, MD, USA.,Division of Cancer Prevention, National Cancer Institute, Rockville, MD, USA
| | - Thomas Lorey
- Kaiser Permanante The Permanante Medical Group Regional Laboratory, Berkeley, CA, USA
| | - Brad Hare
- The Permanante Medical Group, San Francisco, CA, USA
| | - Teresa M Darragh
- University of California at San Francisco, San Francisco, CA, USA
| | - Niels Grabe
- Steinbeis Transfer Center for Medical Systems Biology (STCMED), Heidelberg, Germany.,Hamamatsu Tissue Imaging and Analysis Center (TIGA), BIOQUANT, University Heidelberg, Heidelberg, Germany.,National Center of Tumor Diseases, Medical Oncology, University Hospital Heidelberg, Heidelberg, Germany
| | - Megan A Clarke
- Division of Cancer Epidemiology & Genetics, National Cancer Institute, Rockville, MD, USA
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15
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Shenoy S. Anal human papilloma viral infection and squamous cell carcinoma: Need objective biomarkers for risk assessment and surveillance guidelines. World J Gastrointest Oncol 2022; 14:369-374. [PMID: 35317324 PMCID: PMC8919009 DOI: 10.4251/wjgo.v14.i2.369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 10/04/2021] [Accepted: 01/25/2022] [Indexed: 02/06/2023] Open
Abstract
High grade anal intraepithelial neoplasia due to human papilloma viral (HPV) infections is a precursor lesion for squamous cell carcinoma especially in high risk populations. Frequent examination and anal biopsies remain unpopular with patients; moreover they are also risk factors for chronic pain, scarring and sphincter injury. There is lack of uniform, surveillance methods and guidelines for anal HPV specifically the intervals between exam and biopsies. The aim of this editorial is to discuss the intervals for surveillance exam and biopsy, based on specific HPV related biomarkers? Currently there are no published randomized controlled trials documenting the effectiveness of anal screening and surveillance programs to reduce the incidence, morbidity and mortality of anal cancers. In contrast, the currently approved screening and surveillance methods available for HPV related cervical cancer includes cytology, HPV DNA test, P16 or combined P16/Ki-67 index and HPV E/6 and E/7 mRNA test. There are very few studies performed to determine the efficacy of these tests in HPV related anal pre-cancerous lesions. The relevance of these biomarkers is discussed in this editorial. Longitudinal prospective research is needed to confirm the effectiveness of these molecular biomarkers that include high risk HPV serotyping, P16 immuno-histiochemistry and E6/E7 mRNA profiling on biopsies to elucidate and establish surveillance guidelines.
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Affiliation(s)
- Santosh Shenoy
- General Surgery, Kansas City VA Medical Center, University of Missouri - Kansas City, MO 64128, United States
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16
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Keller K, Ramos-Cartagena JM, Guiot HM, Muñoz C, Rodríguez Y, Colón-López V, Deshmukh AA, Tirado-Gómez M, Ortiz AP. Association of smoking with anal high-risk HPV infection and histologically confirmed anal high-grade squamous intraepithelial lesions among a clinic-based population in Puerto Rico. Cancer Treat Res Commun 2021; 30:100503. [PMID: 34999478 PMCID: PMC9253704 DOI: 10.1016/j.ctarc.2021.100503] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 12/23/2021] [Accepted: 12/24/2021] [Indexed: 10/19/2022]
Abstract
INTRODUCTION Current smoking is a risk factor for anal cancer. Yet, its association with anal human papillomavirus infection (HPV) and anal high-grade squamous intraepithelial lesions (HSIL) remains unclear. We assessed the association of smoking with 1) anal high-risk HPV (HR-HPV) infection and 2) anal HSIL. METHODS Data from the baseline visit of patients from the Anal Neoplasia Clinic of the University of Puerto Rico Comprehensive Cancer Center (May 2015- June 2021) was analyzed. Patients were eligible if they had information on smoking status, complete high-resolution anoscopy (HRA) with biopsy, and HR-HPV testing (n = 427). Logistic regression models estimated the odds ratio (OR) with 95% confidence intervals (CIs) adjusting for covariates. RESULTS Mean age was 44 ± 13 years, 69% were men, 74% were HIV-infected, and 25% reported being current smokers. 74% had anal HR-HPV infection. HSIL was diagnosed in 40% of patients. Current smokers had significantly higher odds (OR: 1.71, 95% CI: 1.04-2.82) of having HSIL compared to non-smokers after adjusting for age, sexual risk group, lifetime number of sexual partners, HIV status, and HR-HPV infection. Smoking was not associated with HR-HPV infection (OR: 1.56, 95% CI: 0.83-2.95) after adjusting for age, sexual risk group, lifetime number of sexual partners, and HIV status. CONCLUSIONS Current smoking was associated with histologically confirmed HSIL but not with HR-HPV infection among this high-risk Hispanic population. Results highlight the need to explore targeted smoking cessation campaigns among populations at higher risk of developing HSIL, as an anal cancer prevention strategy.
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Affiliation(s)
- Kandyce Keller
- Department of Epidemiology, University of Michigan School of Public Health, 1415 Washington Heights, Ann Arbor, MI, 48109, U.S
| | - Jeslie M Ramos-Cartagena
- University of Puerto Rico/MD Anderson Cancer Center Partnership for Excellence in Cancer Research Program, PO Box 363067, San Juan, Puerto Rico, 00936, U.S
| | - Humberto M Guiot
- School of Medicine, Medical Sciences Campus, University of Puerto Rico, PO Box 365067, San Juan, Puerto Rico, 00936, U.S
| | - Cristina Muñoz
- Division of Cancer Medicine, University of Puerto Rico Comprehensive Cancer Center, PO Box 363027, San Juan, Puerto Rico, 00936, U.S
| | - Yolanda Rodríguez
- Division of Cancer Medicine, University of Puerto Rico Comprehensive Cancer Center, PO Box 363027, San Juan, Puerto Rico, 00936, U.S
| | - Vivian Colón-López
- Division of Cancer Control and Population Sciences, University of Puerto Rico Comprehensive Cancer Center, PO Box 363027 San Juan, Puerto Rico, 00936, U.S
| | - Ashish A Deshmukh
- Center for Health Services Research, Department of Management, Policy, and Community Health, UTHealth School of Public Health, 1200 Pressler Street, Houston, Texas, 77030, U.S
| | - Maribel Tirado-Gómez
- School of Medicine, Medical Sciences Campus, University of Puerto Rico, PO Box 365067, San Juan, Puerto Rico, 00936, U.S.; Division of Cancer Medicine, University of Puerto Rico Comprehensive Cancer Center, PO Box 363027, San Juan, Puerto Rico, 00936, U.S
| | - Ana Patricia Ortiz
- Center for Health Services Research, Department of Management, Policy, and Community Health, UTHealth School of Public Health, 1200 Pressler Street, Houston, Texas, 77030, U.S.; Department of Biostatistics and Epidemiology, Graduate School of Public Health, Medical Sciences Campus, University of Puerto Rico, PO Box 365067, San Juan, Puerto Rico, 00936, U.S..
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17
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Silvera R, Martinson T, Gaisa MM, Liu Y, Deshmukh AA, Sigel K. The other side of screening: predictors of treatment and follow-up for anal precancers in a large health system. AIDS 2021; 35:2157-2162. [PMID: 34014851 PMCID: PMC8808754 DOI: 10.1097/qad.0000000000002948] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Anal cancer disproportionately affects people with HIV (PWH). High-grade squamous intraepithelial lesions (HSIL) are cancer precursors and treating them might prevent anal cancer. Data on adherence to HSIL treatment and surveillance is limited but needed to identify deficiencies of screening strategies. METHODS We collected data on high-resolution anoscopy (HRA) attendance and outcomes from 2009 to 2019 in a large urban anal cancer-screening program. Patients with an initial HSIL diagnosis were followed for return for HSIL electrocautery ablation within 6 months of index HSIL diagnosis, and follow-up HRA within 18 months of index HSIL diagnosis. We also evaluated predictors of these outcomes in univariable and multivariable analyses. RESULTS One thousand one hundred and seventy-nine unique patients with an anal HSIL diagnosis were identified and 684 (58%) returned for electrocautery ablation. Of those treated, only 174 (25%) and only 9% of untreated HSIL patients (47 of 495) underwent surveillance HRA within 18 months of index HSIL diagnosis. In multivariable analyses, black patients and PWH regardless of virologic control were less likely to undergo HSIL ablation within 6 months of HSIL diagnosis whereas patients with commercial insurance were more likely to be treated within 6 months of diagnosis. Among treated HSIL patients, PWH with viremia had a lower likelihood of engaging in post-treatment surveillance within 18 months of HSIL diagnosis. DISCUSSION Even in large specialized anal cancer screening programs adherence to HSIL treatment and surveillance is low. Psychosocial and economic determinants of health may impact retention in care. Addressing both personal and structural barriers to patient engagement may improve the effectiveness of anal cancer screening.
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Affiliation(s)
- Richard Silvera
- Division of Infectious Diseases, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Tyler Martinson
- Department of Medical Education, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Michael M. Gaisa
- Division of Infectious Diseases, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Yuxin Liu
- Department of Pathology, Icahn School of Medicine at Mount Sinai, New York, NY
| | - Ashish A. Deshmukh
- Department of Management, Policy and Community Health, University of Texas School of Public Health, Houston, TX, USA
| | - Keith Sigel
- Division of General Internal Medicine, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, and
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Sanger CB, Xu Y, Carchman E, Lawson E, Heise C, Striker R, Voils CI. Prevalence of High-Grade Anal Dysplasia and Anal Cancer in Veterans Living With HIV and CD4/CD8 Ratio as a Marker For Increased Risk: A Regional Retrospective Cohort Study. Dis Colon Rectum 2021; 64:805-811. [PMID: 34086000 PMCID: PMC8186795 DOI: 10.1097/dcr.0000000000002009] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
BACKGROUND The Department of Veterans Affairs cares for the largest population of patients with HIV of any healthcare system in the United States. Screening for anal dysplasia/cancer is recommended for all veterans with HIV. Exams are invasive, burdensome, and resource intensive. We currently lack markers of disease to tailor screening. OBJECTIVE The purpose of this study was to establish the prevalence of advanced anal disease (high-grade dysplasia and anal cancer) and to determine whether CD4/CD8 ratio correlates with risk. DESIGN This was a retrospective regional cohort study of veterans with HIV. SETTINGS The study was conducted at eight medical centers between 2001 and 2019. PATIENTS Patients with advanced disease were compared with patients with nonadvanced anal pathology. MAIN OUTCOME MEASURES Logistic regression modeling was used to estimate adjusted odds of disease as a function of CD4/CD8. Lowest (nadir) CD4/CD8 and nearest CD4/CD8 ratio in each cohort were evaluated. RESULTS A total of 2267 veterans were included. Fifteen percent had anal pathology (112 with advanced disease (37 cancer and 75 high-grade), 222 with nonadvanced disease). Nadir and nearest ratio were lower in patients with advanced disease versus nonadvanced (0.24 vs 0.45 (p < 0.001) and 0.50 vs 0.88 (p < 0.001)). In adjusted models, a 1-unit increase in nadir or nearest ratio conferred decreased risk of advanced disease (OR = 0.19 (95% CI, 0.07-0.53); p < 0.001; OR = 0.22 (95% CI, 0.12-0.43); p < 0.001). Using a minimum sensitivity analysis, a cutoff nadir ratio of 0.42 or nearest ratio of 0.76 could be used to risk stratify. LIMITATIONS This was a retrospective analysis with a low screening rate. CONCLUSIONS In a regional cohort of veterans with HIV, 15% were formally assessed for anal dysplasia. Advanced anal disease was present in 33% of those screened, 5% of the HIV-positive population. A strong predictor of advanced disease in this cohort is the CD4/CD8 ratio, which is a promising marker to stratify screening practices. Risk stratification using CD4/CD8 has the potential to decrease burdensome invasive examinations for low-risk patients and to intensify examinations for those at high risk. See Video Abstract at http://links.lww.com/DCR/B528. PREVALENCIA DE DISPLASIA ANAL DE ALTO GRADO Y CNCER ANAL EN VETERANOS QUE VIVEN CON EL VIH Y LA RELACIN CD / CD COMO MARCADOR DE MAYOR RIESGO UN ESTUDIO DE COHORTE REGIONAL RETROSPECTIVE ANTECEDENTES:El Departamento de Asuntos de Veteranos atiende a la población más grande de pacientes con el virus de inmunodeficiencia humana (VIH) de cualquier sistema de salud en los Estados Unidos. Se recomienda la detección de displasia / cáncer anal para todos los veteranos con VIH. Los exámenes son invasivos, onerosos y requieren muchos recursos. Actualmente carecemos de marcadores de enfermedad para adaptar la detección.OBJETIVO:Establecer la prevalencia de enfermedad anal avanzada (displasia de alto grado y cáncer anal) y determinar si la relación CD4 / CD8 se correlaciona con el riesgo.DISEÑO:Estudio de cohorte regional retrospectivo de veteranos con VIH.AJUSTE:Ocho centros médicos entre 2001-2019.PACIENTES:Se comparó a pacientes con enfermedad avanzada con pacientes con patología anal no avanzada.PRINCIPALES MEDIDAS DE RESULTADO:Se utilizó un modelo de regresión logística para estimar las probabilidades ajustadas de enfermedad en función de CD4 / CD8. Se evaluó la relación CD4 / CD8 más baja (nadir) y la relación CD4 / CD8 más cercana en cada cohorte.RESULTADOS:Se incluyeron un total de 2267 veteranos. El 15% tenía patología anal (112 enfermedad avanzada (37 cáncer, 75 de alto grado), 222 enfermedad no avanzada). El nadir y el cociente más cercano fueron menores en los pacientes con enfermedad avanzada frente a los no avanzados (0,24 frente a 0,45 (p <0,001) y 0,50 frente a 0,88 (p <0,001)), respectivamente. En modelos ajustados, el aumento de una unidad en el nadir o el cociente más cercano confirió una disminución del riesgo de enfermedad avanzada (OR 0,19 (IC del 95%: 0,07, 0,53, p <0,001)) y (OR 0,22 (IC del 95%: 0,12, 0,43, p <0,001))), respectivamente. Utilizando un análisis de sensibilidad mínima, se podría utilizar un cociente del nadir de corte de 0,42 o el cociente más cercano de 0,76 para estratificar el riesgo.LIMITACIONES:Análisis retrospectivo con una tasa de detección baja.CONCLUSIONES:En una cohorte regional de veteranos con VIH, el 15% fueron evaluados formalmente por displasia anal. La enfermedad anal avanzada estuvo presente en el 33% de los examinados, el 5% de la población VIH +. Un fuerte predictor de enfermedad avanzada en esta cohorte es la relación CD4 / CD8, que es un marcador prometedor para estratificar las prácticas de detección. La estratificación del riesgo usando CD4 / CD8 tiene el potencial de disminuir los exámenes invasivos onerosos para los pacientes de bajo riesgo e intensificar los exámenes para los de alto riesgo. Consulte Video Resumen en http://links.lww.com/DCR/B528.
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Affiliation(s)
- Cristina B. Sanger
- Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI
- William S. Middleton Memorial Veteran’s Hospital, Madison, WI
| | - Yiwei Xu
- Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI
| | - Evie Carchman
- Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI
| | - Elise Lawson
- Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI
| | - Charles Heise
- Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI
| | - Rob Striker
- William S. Middleton Memorial Veteran’s Hospital, Madison, WI
- Department of Medicine, University of Wisconsin School of Medicine and Public Health, Madison, WI
| | - Corrine I. Voils
- Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI
- William S. Middleton Memorial Veteran’s Hospital, Madison, WI
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19
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Factors associated with anal cancer screening uptake in men who have sex with men living with HIV: a cross-sectional study. Eur J Cancer Prev 2021; 29:1-6. [PMID: 31283539 DOI: 10.1097/cej.0000000000000507] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Most western countries have guidelines on anal cancer screening for men who have sex with men (MSM) living with HIV. However, adherence to these guidelines has been studied poorly. This cross-sectional study reports anal cancer screening uptake and identifies the factors associated with a previous screening in MSM living with HIV in a Paris Hospital (France). A total of 410 outpatients completed a self-administered questionnaire on anal cancer screening. The median age was 50 years and the median time from HIV diagnosis was 14.2 years. Overall, 82.2% of patients were aware of anal cancer screening and, of these, 56.7% had already undergone a screening test. The absence of history of screening (43.3%) was most often explained by lack of time (31.3%) or information (28.2%). Among patients familiar with the anal screening procedure, those older than 50 years (adjusted odds ratio=2.4, 95% confidence interval=1.3-4.7, P=0.007) and informed by healthcare providers (adjusted odds ratio=8.2, 95% confidence interval=2.5-32.0, P=0.001) were more likely to have already been screened. To date, adherence to anal cancer screening in MSM living with HIV appears to be inadequate to enable diagnosis of cancer at its early stages. Encouraging physicians to inform MSM living with HIV about anal cancer screening, irrespective of their age, could be an effective strategy to improve anal cancer screening uptake.
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20
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Deshmukh AA, Suk R, Shiels MS, Sonawane K, Nyitray AG, Liu Y, Gaisa MM, Palefsky JM, Sigel K. Recent Trends in Squamous Cell Carcinoma of the Anus Incidence and Mortality in the United States, 2001-2015. J Natl Cancer Inst 2021; 112:829-838. [PMID: 31742639 DOI: 10.1093/jnci/djz219] [Citation(s) in RCA: 174] [Impact Index Per Article: 58.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 10/03/2019] [Accepted: 10/31/2020] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Squamous cell carcinoma of the anus (SCCA) incidence is rising in the United States. Study of incidence trends by stage at diagnosis, age-specific and birth cohort patterns, and trends in mortality could provide evidence for a true increase and etiological clues for the increase in incidence. METHODS Using the US Cancer Statistics dataset, we examined trends in SCCA incidence (2001-2015) and mortality (2001-2016) rates. Join-point regression was used to compute annual and average annual percentage change (AAPC). Incidence patterns by 5-year age group and birth cohort were evaluated using incidence rate ratios (IRRs) and age-period-cohort modeling. RESULTS SCCA incidence increased 2.7% per year (95% confidence interval [CI] = 2.1% to 3.3%), with pronounced increases in age groups 50 years and older. Distant-stage SCCA incidence tripled (AAPC = 8.6%, 95% CI = 5.4% to 12.0%, among men and AAPC = 7.5%, 95% CI = 4.8% to 10.2%, among women) and regional-stage SCCA incidence nearly doubled (AAPC = 4.7% for men and women) in both sexes; the AAPC for localized stage was 1.3% (95% CI = 0.6% to 2.0%) in men and 2.3% (95% CI = 1.8% to 2.8%) in women. Compared with adults born circa 1946, recently born black men (born circa 1986) had a nearly fivefold higher risk (IRR = 4.7, 95% CI = 2.1 to 10.2) of SCCA, and the risk doubled among white men (IRR = 2.0, 95% CI = 1.7 to 2.2) and white women (IRR = 2.1, 95% CI = 1.9 to 2.3) born after circa 1960. Anal cancer mortality rates increased 3.1% per year (95% CI = 2.6% to 3.5%) with statistically significant increases in age groups 50 years and older. SCCA incidence-based mortality increased 1.9% annually (95% CI = 0.5% to 3.4%), with a notable (4.9%, 95% CI = 2.4% to 7.3%, per year) rise in adults ages 60-69 years. CONCLUSION The increase in SCCA incidence, particularly advanced-stage disease, and a similar increase in mortality suggest a true increase in the occurrence of SCCA. Future research and improved prevention are urgently needed to mitigate the increasing disease burden.
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Affiliation(s)
| | - Ryan Suk
- Center for Health Services Research and Center for Healthcare Data
| | - Meredith S Shiels
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, MD
| | - Kalyani Sonawane
- Center for Health Services Research and Center for Healthcare Data
| | - Alan G Nyitray
- Department of Management, Policy, and Community Health, UTHealth School of Public Health, Houston, TX
- Clinical Cancer Center/Center for AIDS Intervention Research, Medical College of Wisconsin, Milwaukee, WI
| | | | - Michael M Gaisa
- Department of Pathology (YL) and Division of Infectious Diseases, Department of Medicine
| | - Joel M Palefsky
- Department of Medicine, University of California San Francisco, San Francisco, CA
| | - Keith Sigel
- Department of General Internal Medicine, Department of Medicine (KSi), Mt. Sinai Icahn School of Medicine, New York, NY
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21
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Swanson AA, Hartley C, Long ME, Chantigian PDM, Casey PM, Jenkins SM, Boerger AC, Binnicker MJ, Henry MR. Evaluation of high-risk human papillomavirus testing and anal cytology to detect high-grade anal intraepithelial neoplasia. J Am Soc Cytopathol 2021; 10:406-413. [PMID: 33896747 DOI: 10.1016/j.jasc.2021.03.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 03/31/2021] [Indexed: 01/01/2023]
Abstract
INTRODUCTION Optimal screening for detection of anal precancer has not been established, and most studies involve very high-risk populations. We evaluated high-risk human papillomavirus (HPV) testing and anal cytology to detect high-grade anal intraepithelial neoplasia (≥AIN2) in a cohort with mostly moderate risk factors for AIN. METHODS Patients ≥35 years old undergoing anal biopsy for various lesions received HPV testing by Roche cobas and a subset by Hologic APTIMA HPV assays with concurrent anal ThinPrep cytology. Biopsies were blindly reviewed by 3 authors, and consensus diagnosis was compared with HPV and cytology results. Sensitivity and specificity for ≥AIN2 detection by HPV testing and cytology (≥ASC-US) were calculated. RESULTS Among 64 patients, 19 (29.7%) showed ≥AIN2 on biopsy. All patients were tested by cobas, and 35 (54.7%) were positive. A subset of 39 patients were also tested by APTIMA, and 18 (46.2%) were positive. Positive cytology (≥ASC-US) was present in 37 (57.8%) patients, with 27 (73.0%) of these positive by cobas. HPV testing alone yielded 75.0% and 84.2% sensitivity for APTIMA and cobas, respectively; specificity was 66.7% and 57.8%. Sensitivity and specificity of cytology alone was 78.9% and 51.1%. Combined HPV testing and cytology had a sensitivity and specificity of 91.7% and 37.0% for APTIMA and 94.7% and 40.0% for cobas. CONCLUSIONS Combined HPV testing and cytology had the highest sensitivity for ≥AIN2 detection, with a performance comparable to cervical cancer screening tests, suggesting this strategy may represent a viable screening option in a population with moderate risk factors for AIN.
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Affiliation(s)
- Amy A Swanson
- Division of Anatomic Pathology, Mayo Clinic Rochester, Rochester, Minnesota
| | | | - Margaret E Long
- Department of Obstetrics and Gynecology, Mayo Clinic Rochester, Rochester, Minnesota
| | - Paula D M Chantigian
- Department of Obstetrics and Gynecology, Mayo Clinic Rochester, Rochester, Minnesota
| | - Petra M Casey
- Department of Obstetrics and Gynecology, Mayo Clinic Rochester, Rochester, Minnesota
| | - Sarah M Jenkins
- Department of Quantitative Health Sciences, Mayo Clinic Rochester, Rochester, Minnesota
| | - Aimee C Boerger
- Division of Clinical Microbiology, Mayo Clinic Rochester, Rochester, Minnesota
| | - Matthew J Binnicker
- Division of Clinical Microbiology, Mayo Clinic Rochester, Rochester, Minnesota
| | - Michael R Henry
- Division of Anatomic Pathology, Mayo Clinic Rochester, Rochester, Minnesota.
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22
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Ortiz AP, García-Camacho SI, Ramos-Cartagena JM, Colón-López V, Estremera-Rodríguez LM, Berríos-Toledo KM, Romaguera J. Knowledge, Attitudes, and Experiences of Anal Cancer and Anal Cancer Screening Among a Clinical Sample of Hispanic Women. J Low Genit Tract Dis 2021; 25:98-105. [PMID: 33660677 PMCID: PMC8171435 DOI: 10.1097/lgt.0000000000000598] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE Anal cancer screening has been recommended for women with lower genital tract neoplasia, lupus, Crohn disease, HIV, and/or organ transplantation recipients. This study described and compared knowledge, attitudes, and experiences related to anal cancer and anal cancer screening between women at high risk for anal cancer and their counterparts. METHODS This is a cross-sectional study within colposcopy and gynecology oncology clinics in Puerto Rico; 278 women 21 years or older and with prior diagnosis of gynecological neoplasia completed an interviewer-administered questionnaire. Women were categorized according to their medical history as being high risk or non-high risk for anal cancer. The high-risk group included women with a history of lower genital tract neoplasia, lupus, Crohn disease, HIV, and/or organ transplantation. RESULTS Overall, 40.7% of the study population were at high risk for developing anal cancer. History of anal cancer screening was low among high-risk and non-high-risk women (11.5% vs 5.6%, p > .05). Less than 1% of all women reported to have had a high-resolution anoscopy. Most women (87.6%) had little knowledge about anal Pap test but were willing to have one if their doctors recommended it (96.5%). No major differences in knowledge, attitudes, or screening history were observed between high-risk and non-high-risk women. CONCLUSIONS Although experts do not recommend routine anal cancer screening for the general population, they do recommend it for women within certain high-risk groups. Study findings highlight the importance of increasing education and awareness of anal cancer among high-risk patients and physicians, to promote better preventive methods, achieve early detection, and improve disease outcomes.
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Affiliation(s)
| | | | - Jeslie M Ramos-Cartagena
- University of Puerto Rico/MD Anderson Cancer Center Partnership for Excellence in Cancer Research Program, San Juan, Puerto Rico
| | | | - Lianeris M Estremera-Rodríguez
- Department of Biostatistics and Epidemiology, Graduate School of Public Health, University of Puerto Rico, San Juan, Puerto Rico
| | - Kyara M Berríos-Toledo
- Department of Biostatistics and Epidemiology, Graduate School of Public Health, University of Puerto Rico, San Juan, Puerto Rico
| | - Josefina Romaguera
- Department of Obstetrics and Gynecology, School of Medicine, University of Puerto Rico
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23
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Bonnez W. Screening for Anal Cancer in the Population Living With Human Immunodeficiency Virus: A Step Closer? Clin Infect Dis 2021; 71:400-402. [PMID: 31504332 DOI: 10.1093/cid/ciz836] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Accepted: 08/23/2019] [Indexed: 01/03/2023] Open
Affiliation(s)
- William Bonnez
- Infectious Diseases Division, University of Rochester School of Medicine and Dentistry, Rochester, New York
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24
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Ye Y, Burkholder GA, Mukherjee A, Chu D, Bansal A, Sudenga SL, Junkins A, Al Diffalha S, Saag MS, Shrestha S. A 12-year retrospective evaluation of anal pre-cancerous lesions and cancer in people living with HIV-1 infection in the Southeastern U.S. Infect Agent Cancer 2021; 16:14. [PMID: 33596943 PMCID: PMC7891006 DOI: 10.1186/s13027-021-00354-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 02/04/2021] [Indexed: 01/15/2023] Open
Abstract
Background Anal cancer is rare in the general population in both genders in the US, but an increased incidence of anal cáncer (AC) has been reported among people living with HIV-1 infection (PLWH) and little is known among the population in South US. Methods In a retrospective study design, electronic health records from 2006 to 2018 were reviewed in a HIV clinical cohort at the University of Alabama at Birmingham. Associations of demographic, sociodemographic, and HIV-clinical indicators were examined in univariate analyses between high-grade squamous intraepithelial lesions (HSIL) and AC cases and condition-free individuals. Factors for anal/rectal cytology screening tests among PLWH were also assessed over time. Ages at onset of anal cancer were compared with the general US population reported by the National Surveillance, Epidemiology, and End Results Program. Results A total of 79 anal HSIL (96% men) and 43 cancer (100% men) patients were observed along with 4367 HSIL/cancer-free patients (75.9% men). HSIL (P < 0.0001) and AC (0.0001 < P < 0.01) were associated with being men who have sex with men (MSM). An incidence of 258 per 100,000 person-year was observed among this clinical cohort of PLWH. PLWH who were 45–54 years appeared to be at highest risk of AC (58.1%), as compared to those 55–64 years in the general population. Overall, 79% of PLWH anal cancers were diagnosed among those under 55 years (vs 39.5% in general population) indicating early onset of AC. In total 29.1% of HSIL and 44.2% of AC patients had not received an anal/rectal cytology examination 1 year prior to diagnosis. Conclusion AC incidence among HIV-infected men was 161 times higher than general population with an earlier age of onset/diagnosis. Many patients with AC had missed screening opportunities that could potentially have captured neoplasia in pre-cancerous stages. AC-related screening guidelines need to be integrated into routine clinical care, especially among PLWH at highest risk such as MSM and those with lower CD4 counts.
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Affiliation(s)
- Yuanfan Ye
- Department of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, AL, 35294, USA
| | - Greer A Burkholder
- Department of Medicine, Division of Infectious Diseases, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, 35294, USA
| | - Amrita Mukherjee
- Department of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, AL, 35294, USA
| | - Daniel Chu
- Department of Surgery, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, 35294, USA
| | - Anju Bansal
- Department of Medicine, Division of Infectious Diseases, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, 35294, USA
| | - Staci L Sudenga
- Department of Medicine, Vanderbilt University, Nashville, TN, 37203, USA
| | - Anna Junkins
- Department of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, AL, 35294, USA
| | - Sameer Al Diffalha
- Department of Pathology, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, 35294, USA
| | - Michael S Saag
- Department of Medicine, Division of Infectious Diseases, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, 35294, USA
| | - Sadeep Shrestha
- Department of Epidemiology, School of Public Health, University of Alabama at Birmingham, Birmingham, AL, 35294, USA.
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25
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Ortiz-Ortiz KJ, Ramos-Cartagena JM, Deshmukh AA, Torres-Cintrón CR, Colón-López V, Ortiz AP. Squamous Cell Carcinoma of the Anus Incidence, Mortality, and Survival Among the General Population and Persons Living With HIV in Puerto Rico, 2000-2016. JCO Glob Oncol 2021; 7:133-143. [PMID: 33493020 PMCID: PMC8081504 DOI: 10.1200/go.20.00299] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Accepted: 10/29/2020] [Indexed: 02/06/2023] Open
Abstract
PURPOSE Squamous cell carcinoma of the anus (SCCA) is common among persons living with HIV (PLWH). We described SCCA incidence and survival among the general population and among PLWH in Puerto Rico (PR), along with mortality of anal cancer. METHODS PR HIV/AIDS Surveillance Program and the PR Central Cancer Registry databases were linked (2000-2016). Incidence rates (IRs) and trends (annual percent change [APC]) in SCCA and mortality rates and trends for anal cancer were estimated. Relative survival and relative excess risk (RER) of death were calculated. RESULTS From 2000 to 2016, 991 individuals in PR were diagnosed with anal cancer; 73% of cases were SCCA 9.1% of SCCA and 1.5% of non-SCCA cases were in PLWH (P < .0001). SCCA incidence was higher among PLWH than the general population (IR = 27.7/100,000). Among PLWH, SCCA incidence (per 100,000) was the highest among men who have sex with men (IR = 60.5). From 2001-2016, SCCA incidence increased among the general population (APC: 4.90, P < .05); however, no significant change was observed among PLWH (APC = 0.19 and P = .96). The APC for anal cancer mortality in the general population was positive (3.9%) from 2000 to 2016, but not significant (P > .05). The 5-year relative survival of SCCA was 56.9% among PLWH and 66.8% among the general population. In multivariate analysis, the RER of death for SCCA 5 years postdiagnosis was affected by stage at diagnosis (distant: RER = 7.6, 95% CI, 2.36 to 24.25) but not by PLWH status (RER = 1.4, 95% CI, 0.67 to 3.01). CONCLUSION Our findings highlight the relevance of anal cancer screening in PLWH and HPV vaccination in both PLWH and the general population in PR, which could have an impact on the disease trend in the next few decades.
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Affiliation(s)
- Karen J. Ortiz-Ortiz
- Division of Cancer Control and Population Sciences, University of Puerto Rico Comprehensive Cancer Center, San Juan, Puerto Rico
- Department of Health Services Administration, Graduate School of Public Health, Medical Sciences Campus, University of Puerto Rico, San Juan, Puerto Rico
- Puerto Rico Central Cancer Registry, University of Puerto Rico Comprehensive Cancer Center, San Juan, Puerto Rico
| | - Jeslie M. Ramos-Cartagena
- University of Puerto Rico/MD Anderson Cancer Center Partnership for Excellence in Cancer Research Program, San Juan, Puerto Rico
| | - Ashish A. Deshmukh
- Center for Health Services Research, Department of Management, Policy, and Community Health, UTHealth School of Public Health, Houston, TX
| | - Carlos R. Torres-Cintrón
- Puerto Rico Central Cancer Registry, University of Puerto Rico Comprehensive Cancer Center, San Juan, Puerto Rico
| | - Vivian Colón-López
- Division of Cancer Control and Population Sciences, University of Puerto Rico Comprehensive Cancer Center, San Juan, Puerto Rico
- Department of Health Services Administration, Graduate School of Public Health, Medical Sciences Campus, University of Puerto Rico, San Juan, Puerto Rico
| | - Ana P. Ortiz
- Division of Cancer Control and Population Sciences, University of Puerto Rico Comprehensive Cancer Center, San Juan, Puerto Rico
- Department of Biostatistics and Epidemiology, Graduate School of Public Health, Medical Sciences Campus, University of Puerto Rico, San Juan, Puerto Rico
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26
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Finneran C, Johnson Peretz J, Blemur D, Palefsky J, Flowers L. "That's Only for Women": The Importance of Educating HIV-Positive Sexual Minority Men on HPV and High Resolution Anoscopy (HRA). J Int Assoc Provid AIDS Care 2021; 20:23259582211016134. [PMID: 34056930 PMCID: PMC8170352 DOI: 10.1177/23259582211016134] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 04/07/2021] [Accepted: 04/15/2021] [Indexed: 01/22/2023] Open
Abstract
Gay, bisexual, and other men who have sex with men (MSM) experience disproportionately high burdens of Human Papilloma Virus (HPV)-associated anal cancers. Recent focus has shifted to anorectal cancer prevention through high-resolution anoscopy (HRA); however, little is known about sexual minority men's perceptions, attitudes, or beliefs regarding HRA. We conducted 4 qualitative Focus Group Discussions (FGDs) (n = 15) with sexual minority men, focusing on their beliefs, attitudes, and perceptions of undergoing HRA. Participants discussed their experiences of HPV/HRA as influenced by both their gender and sexuality, including unawareness of HPV disease as a male health issue, challenges relating to female-oriented HPV/HRA language, conception of HPV/HRA as related to prostate health, and connecting their sexual behavior identification as "bottoms" to their need for HRA. As efforts to improve HRA knowledge, access, and uptake among sexual and gender minority communities increase, special attention should be paid to language and messaging choices around HRA.
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Affiliation(s)
- Catherine Finneran
- Department of Internal Medicine, Washington University School of Medicine
in St. Louis, St. Louis, MO, USA
| | - Jason Johnson Peretz
- Global Health and Clinical Science, University of California San
Francisco, San Francisco, CA, USA
| | - Danielle Blemur
- Department of Gynecology and Obstetrics; Emory University School of
Medicine, Atlanta, GA, USA
| | - Joel Palefsky
- Department of Infectious Disease; University of California San
Francisco, San Francisco, CA, USA
| | - Lisa Flowers
- Department of Gynecology and Obstetrics; Emory University School of
Medicine, Atlanta, GA, USA
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Chen CC, Hsueh KC, Shen CH, Bai CH, Wu CC, Wang YH. The Diagnostic Value of p16/Ki67 Dual Immunostaining for Anal Intraepithelial Neoplasia: A Meta-Analysis. Am J Mens Health 2020; 14:1557988320977630. [PMID: 33319613 PMCID: PMC7745578 DOI: 10.1177/1557988320977630] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
The p16/Ki67 dual immunostaining was performed on anal cytology specimens; this is an anal cancer screening method. A literature search was performed in the BioMed Central, Cochrane Library, Embase, Google Scholar, and PubMed electronic databases for relevant articles. We included studies that discussed the efficacy of p16/Ki67 dual immunostaining for detecting anal intraepithelial neoplasia (AIN). Studies that calculated the diagnostic efficacy on a per-patient basis were included. We excluded review articles, case series, and studies that did not provide sufficient information. We extracted data on true positive, true negative, false positive, and false negative from the included studies to generate pooled sensitivity, specificity, and diagnostic odds ratio (DOR). All analyses were performed with a random-effects model using MetaDiSc 1.4 and MetaDTA. The meta-analysis produced a pooled sensitivity of 0.63 (95% CI: 0.34, 0.86) and specificity of 0.65 (95% CI: 0.46, 0.81) for p16/Ki67 dual immunostaining in detecting AIN. The pooled DOR was 3.26 (95% CI: −0.29, 6.82). A subgroup analysis of HIV-infected men who have sex with men (MSM) demonstrated a pooled sensitivity of 0.75 (95% CI: 0.28, 0.96). p16/Ki67 dual immunostaining might have a higher sensitivity for detecting AIN in HIV-infected MSM. p16/Ki67 dual immunostaining might be more sensitive in HIV-infected MSM and has higher specificity compared to human papillomavirus testing among this high-risk group. p16/Ki67 dual immunostaining might be an adjuvant and potential triage test for anal cytology in anal cancer screening.
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Affiliation(s)
- Cheng-Chieh Chen
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Department of Pathology and Laboratory Medicine, Shin Kong Wu Ho-Su Memorial Hospital, Taipei, Taiwan
| | - Kuan-Chun Hsueh
- Department of Surgery, Division of General Surgery, Tungs' Taichung MetroHarbor Hospital, Taichung, Taiwan
| | - Cheng-Huang Shen
- Department of Urology, Ditmanson Medical Foundation Chiayi Christian Hospital, Chiayi, Taiwan
| | - Chyi-Huey Bai
- Department of Public Health, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Chia-Chang Wu
- Department of Urology, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan.,Department of Urology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.,TMU Research Center of Urology and Kidney, Taipei Medical University, Taipei, Taiwan
| | - Yuan-Hung Wang
- Graduate Institute of Clinical Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.,Department of Medical Research, Shuang Ho Hospital, Taipei Medical University, New Taipei City, Taiwan
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28
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Gouvas N, Gourtsoyianni S, Kalogeridi MA, Sougklakos J, Vini L, Xynos E. Hellenic society of medical oncology (HESMO) guidelines for the management of anal cancer. Updates Surg 2020; 73:7-21. [PMID: 33231836 DOI: 10.1007/s13304-020-00923-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Accepted: 10/29/2020] [Indexed: 01/01/2023]
Abstract
Despite considerable improvement in the management of anal cancer, there is a great deal of variation in the outcomes among European countries, and in particular among different hospital centres in Greece and Cyprus. The aim was to elaborate a consensus on the multidisciplinary management of anal cancer, based on European guidelines (European Society of Medical Oncologists-ESMO), considering local special characteristics of our healthcare system. Following discussion and online communication among members of an executive team, a consensus was developed. Guidelines are proposed along with algorithms of diagnosis and treatment. The importance of centralisation, care by a multidisciplinary team (MDT) and adherence to guidelines are emphasised.
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Affiliation(s)
- Nikolaos Gouvas
- Colorectal Surgeon, Nicosia General Hospital, Medical School, Shacolas Educational Centre for Clinical Medicine, University of Cyprus, Palaios Dromos Lefkosias Lemesou No.215/6Aglantzia, 2029, Nicosia, Cyprus.
| | - Sophia Gourtsoyianni
- Abdominal Radiologist, "Aretaieion" Hospital, Faculty of Medicine, University of Athens, Athens, Greece
| | | | - John Sougklakos
- Medical Oncologist, University Hospital of Heraklion, Faculty of Medicine, University of Crete, Heraklion, Greece
| | - Louisa Vini
- Clinical Oncologist/Radiotherapist, "Iatriko" Hopsital of Athens, Athens, Greece
| | - Evangelos Xynos
- Colorectal Surgeon, Creta Inter-Clinic Hopsital, Heraklion, Greece
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29
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Goddard SL, Templeton DJ, Petoumenos K, Jin F, Hillman RJ, Law C, Roberts JM, Fairley CK, Garland SM, Grulich AE, Poynten IM, Farnsworth A, Biro C, Richards A, Thurloe J, Ekman D, McDonald R, Adams M, Tabrizi S, Phillips S, Molano Luque M, Comben S, McCaffery K, Howard K, Kelly P, Seeds D, Carr A, Feeney L, Gluyas R, Prestage G, Law M, Acraman B, McGrath P, Mellor R, Pezzopane P, Varma R, Langton-Lockton J, Tong W. Prevalence and Association of Perianal and Intra-Anal Warts with Composite High-Grade Squamous Intraepithelial Lesions Among Gay and Bisexual Men: Baseline Data from the Study of the Prevention of Anal Cancer. AIDS Patient Care STDS 2020; 34:436-443. [PMID: 32955927 DOI: 10.1089/apc.2020.0067] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
Human papillomavirus (HPV) causes anal warts and anal squamous cell carcinoma (SCC). A higher incidence of anal cancer has been found among individuals previously diagnosed with anogenital warts. We aimed to investigate the association between anal warts and the presumed anal SCC precursor high-grade squamous intraepithelial lesion (HSIL), among participants in the Study of the Prevention of Anal Cancer (SPANC). SPANC was a longitudinal study of anal HPV infections and related lesions among gay and bisexual men (GBM) age 35 years and older, in Sydney, Australia. Anal cytology and high-resolution anoscopy were performed. Logistic regression was used to investigate the association between clinically diagnosed anal warts and intra-anal composite-HSIL (cytology and/or histology) at the baseline visit. The prevalence of HSIL within biopsies from intra-anal warts was calculated. Laser capture microdissection (LCM) and HPV-genotyping was performed on HSIL lesions. Among 616 participants at study entry, 165 (26.8%) and 51 (8.3%) had intra-anal and perianal warts, respectively. Warts were associated with composite-HSIL, even after adjustment for HIV status, age, lifetime receptive anal intercourse partner number, and smoking (perianal: aOR 2.13, 95% CI 1.17-3.87, p = 0.013; intra-anal: aOR 1.69, 95% CI 1.16-2.46, p = 0.006). HSIL was detected in 24 (14.5%) of 165 biopsies from intra-anal warts. Of 17 HSIL lesions, 16 (94.1%) had high-risk HPV detected by LCM. Anal warts were common. Prevalent anal warts were associated with composite-HSIL. HSIL may be detected within biopsies of intra-anal warts. Anal warts may be a useful addition to risk stratification for HSIL among GBM.
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Affiliation(s)
- Sian L. Goddard
- The Kirby Institute, UNSW Sydney, Sydney, New South Wales, Australia
- Infection and Immunity, Barts Health NHS Trust, London, United Kingdom
| | - David J. Templeton
- The Kirby Institute, UNSW Sydney, Sydney, New South Wales, Australia
- Sexual Health Service, Sydney Local Health District, and Sydney Medical School, The University of Sydney, Sydney, New South Wales, Australia
| | - Kathy Petoumenos
- The Kirby Institute, UNSW Sydney, Sydney, New South Wales, Australia
| | - Fengyi Jin
- The Kirby Institute, UNSW Sydney, Sydney, New South Wales, Australia
| | - Richard J. Hillman
- Dysplasia and Anal Cancer Services, St. Vincent's Hospital, Sydney, New South Wales, Australia
| | - Carmella Law
- Dysplasia and Anal Cancer Services, St. Vincent's Hospital, Sydney, New South Wales, Australia
| | | | - Christopher K. Fairley
- Melbourne Sexual Health Center, and Central Clinical School Monash University, Melbourne, Victoria, Australia
| | - Suzanne M. Garland
- Center for Women's Infectious Diseases, Royal Women's Hospital, Melbourne, Victoria, Australia
- Infection Immunity, Murdoch Children's Research Institute, Parkville, Victoria, Australia
- Department of Obstetrics and Gynecology, University of Melbourne, Parkville, Victoria, Australia
| | - Andrew E. Grulich
- The Kirby Institute, UNSW Sydney, Sydney, New South Wales, Australia
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30
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Kaufman E, de Castro C, Williamson T, Lessard B, Munoz M, Mayrand MH, Burchell AN, Klein MB, Charest L, Auger M, Marcus V, Coutlée F, de Pokomandy A. Acceptability of anal cancer screening tests for women living with HIV in the EVVA study. ACTA ACUST UNITED AC 2020; 27:19-26. [PMID: 32218656 DOI: 10.3747/co.27.5401] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Background Anal cancer is potentially preventable through screening. For screening to be implemented, the screening procedures must be acceptable to the affected population. The objective of the present study was to measure the acceptability of currently available anal cancer screening tests in a population of women living with hiv who had experienced the tests. Methods The evva study ("Evaluation of Human Immunodeficiency Virus, Human Papillomavirus, and Anal Intraepithelial Neoplasia in Women") is a prospective cohort study of adult women living with hiv in Montreal, Quebec. Participants were screened with cervical or anal hpv testing and cervical or anal cytology every 6 months for 2 years. High-resolution anoscopy (hra) and digital anal rectal examination (dare) were also performed systematically, with biopsies, at baseline and at 2 years. An acceptability questionnaire was administered at the final visit or at study withdrawal. Results Of 124 women who completed the acceptability questionnaire, most considered screening "an absolute necessity" in routine care for all women living with hiv [77%; 95% confidence interval (ci): 69% to 84%]. Yearly anal cytology or anal hpv testing was considered very acceptable by 81% (95% ci: 73% to 88%); hra every 2 years was considered very acceptable by 84% (95% ci: 77% to 90%); and yearly dare was considered very acceptable by 87% (95% ci: 79% to 92%). Acceptability increased to more than 95% with a longer proposed time interval. Pain was the main reason for lower acceptability. Conclusions Most participating women considered anal cancer screening necessary and very acceptable. Longer screening intervals and adequate pain management could further increase the acceptability of repeated screening.
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Affiliation(s)
- E Kaufman
- Department of Family Medicine, McGill University, Montreal, QC.,Cumming School of Medicine, University of Calgary, Calgary, AB
| | - C de Castro
- Chronic Viral Illness Service, McGill University Health Centre, Montreal, QC
| | - T Williamson
- Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary, AB
| | - B Lessard
- Chronic Viral Illness Service, McGill University Health Centre, Montreal, QC
| | - M Munoz
- Chronic Viral Illness Service, McGill University Health Centre, Montreal, QC
| | - M H Mayrand
- Départements d'obstétrique-gynécologie et de médecine sociale et préventive, Centre hospitalier de l'Université de Montréal and Université de Montréal, Montreal, QC
| | - A N Burchell
- Department of Family and Community Medicine and Centre for Urban Health Solutions, St. Michael's Hospital, and Department of Family and Community Medicine and Dalla Lana School of Public Health, University of Toronto, Toronto, ON.,Canadian Institutes of Health Research, Canadian HIV Trials Network, Vancouver, BC
| | - M B Klein
- Chronic Viral Illness Service, McGill University Health Centre, Montreal, QC.,Canadian Institutes of Health Research, Canadian HIV Trials Network, Vancouver, BC
| | - L Charest
- Clinique médicale l'Actuel, Montreal, QC
| | - M Auger
- Department of Pathology, McGill University, and McGill University Health Centre, Montreal, QC
| | - V Marcus
- Department of Pathology, McGill University, and McGill University Health Centre, Montreal, QC
| | - F Coutlée
- Chronic Viral Illness Service, McGill University Health Centre, Montreal, QC.,Département de microbiologie, infectiologie, et immunologie, Centre hospitalier de l'Université de Montréal and Université de Montréal, Montreal, QC
| | - A de Pokomandy
- Department of Family Medicine, McGill University, Montreal, QC.,Chronic Viral Illness Service, McGill University Health Centre, Montreal, QC.,Canadian Institutes of Health Research, Canadian HIV Trials Network, Vancouver, BC
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31
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Gaisa MM, Liu Y, Deshmukh AA, Stone KL, Sigel KM. Electrocautery ablation of anal high-grade squamous intraepithelial lesions: Effectiveness and key factors associated with outcomes. Cancer 2020; 126:1470-1479. [PMID: 31977082 DOI: 10.1002/cncr.32581] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Revised: 05/06/2019] [Accepted: 05/16/2019] [Indexed: 01/20/2023]
Abstract
BACKGROUND Electrocautery ablation (EA) is a common treatment modality for patients with anal high-grade squamous intraepithelial lesions (HSILs), but to the authors' knowledge its effectiveness has been understudied. The objective of the current study was to determine ablation outcomes and to identify clinicopathological factors associated with postablation disease recurrence. METHODS A total of 330 people living with HIV with de novo intra-anal HSIL who were treated with EA from 2009 to 2016 were studied retrospectively. Using long-term, surveillance high-resolution anoscopy biopsy data, treatment failures were classified as local recurrence (HSIL noted at the treated site at the time of surveillance) or overall recurrence (HSIL noted at treated or untreated sites). The associations between these outcomes and clinical factors were analyzed using Cox proportional hazards models. RESULTS Approximately 88% of participants were men who have sex with men. The median age of study participants was 45.5 years (range, 35-51 years) and approximately 49% had multiple index HSILs (range, 2-6 index HSILs). At a median of 12.2 months postablation (range, 6.3-20.9 months postablation), approximately 45% of participants had developed local recurrence whereas 60% had developed overall recurrence. Current cigarette smoking, HIV viremia (HIV-1 RNA ≥100 copies/mL), and multiple index HSILs were found to be predictive of local recurrence. Overall recurrence was more common in current smokers and those with multiple index lesions. In multivariable models that included human papillomavirus (HPV) genotypes, baseline and persistent infections with HPV-16 and/or HPV-18 were found to be significantly associated with both local and overall recurrence. CONCLUSIONS EA is an effective treatment modality for anal HSIL in people living with HIV, but rates of disease recurrence are substantial. Multiple index HSILs, HIV viremia, current cigarette smoking, and both baseline and persistent infection with HPV-16 and/or HPV-18 appear to negatively impact treatment success. Ongoing surveillance is imperative to capture recurrence early and improve long-term treatment outcomes.
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Affiliation(s)
- Michael M Gaisa
- Division of Infectious Diseases, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Yuxin Liu
- Department of Pathology, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Ashish A Deshmukh
- Department of Management, Policy and Community Health, University of Texas School of Public Health, Houston, Texas
| | - Kimberly L Stone
- Division of General Internal Medicine, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Keith M Sigel
- Division of General Internal Medicine, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York
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32
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[HIV and cancer: Update 2020]. Bull Cancer 2020; 107:21-29. [PMID: 31980144 DOI: 10.1016/j.bulcan.2020.01.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Revised: 01/06/2020] [Accepted: 01/06/2020] [Indexed: 02/07/2023]
Abstract
The HIV infection remains a serious public health concern in France and around the world. Cancers are frequent among people living with HIV (PLWH) and have become the leading cause of mortality among this population in France. Certain non-AIDS-defining cancers are much more common among PLWH, such as anal carcinoma, Hodgkin lymphoma, hepatocellular carcinoma and lung cancer. The incidence of cancer among PLWH depending on various factors, virological control under combined antiretrovial therapies (cART), exposure prevention to oncogenic virus and toxics are of utmost importance, such as the implementation of specific screening programmes. Drug interactions between cART and oncologic treatments can lead to serious adverse effects or to a reduction in the therapeutic effects, therefore they require a close monitoring. The PLWH have been excluded from the oncologic clinical trials assessing the efficacy and toxicity profile of the immune checkpoints inhibitors (ICPi) because of an increased theoretical risk of inducing adverse events and a feared lack of efficacy in the immunocompromised population. However, the mostly retrospective clinical data reporting the use of ICPi among PLWH are somewhat reassuring with a safety and efficacy profile similar to what observed in HIV-negative patients. Regarding the "shock and kill" anti-HIV effects of ICPi, the preliminary clinical data available are still modest and relatively disappointing despite encouraging results obtained in vitro. HIV-associated cancers represent a particular care challenge due to the multiple comorbidities in the population and the high risk of drug interactions, thus the CANCERVIH national network is of particular interest within this context.
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33
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Assessment of Anal Cancer Screening Tools in Detecting High-Grade Anal Squamous Intraepithelial Lesions in Women. J Low Genit Tract Dis 2020; 24:75-81. [DOI: 10.1097/lgt.0000000000000497] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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34
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Sowah LA, Schmalzle SA, Khambaty M, Buchwald UK. Establishing an Anal Cancer Screening Program in an Outpatient HIV Clinic: Referral Patterns and Patient Perceptions Survey. J Int Assoc Provid AIDS Care 2020; 19:2325958219899530. [PMID: 31934806 PMCID: PMC6961137 DOI: 10.1177/2325958219899530] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Revised: 10/27/2019] [Accepted: 12/16/2019] [Indexed: 12/18/2022] Open
Abstract
People living with HIV are at high risk for anal cancer (AC); however, the impact of screening for and treatment of precancerous anal lesions on AC incidence remains uncertain. In 2013, we conducted a survey of HIV providers evaluating the perceived need for an institutional AC screening program. Based on an overwhelmingly positive response, we established a dedicated AC screening clinic (including provision of high-resolution anoscopies) embedded within the institutional HIV clinic. Here, we describe that referral of high-risk patients in the first 3 years was lower than expected. Referral patterns suggest that screening practices vary widely among HIV providers within the institution. Anal cancer clinic patients who completed a perception survey rated the value of AC screening as high, with perceived positive health impact, and identified their providers as the main source of information on AC and AC screening. Our findings imply remaining provider-related barriers to AC screening.
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Affiliation(s)
- Leonard A. Sowah
- Institute of Human Virology, University of Maryland School of Medicine,
Baltimore, MD, USA
| | - Sarah A. Schmalzle
- Institute of Human Virology, University of Maryland School of Medicine,
Baltimore, MD, USA
- Division of Infectious Diseases, Department of Medicine, University of
Maryland School of Medicine, Baltimore, MD, USA
| | - Mariam Khambaty
- Institute of Human Virology, University of Maryland School of Medicine,
Baltimore, MD, USA
- Division of Infectious Diseases, Department of Medicine, University of
Maryland School of Medicine, Baltimore, MD, USA
| | - Ulrike K. Buchwald
- Institute of Human Virology, University of Maryland School of Medicine,
Baltimore, MD, USA
- Division of Infectious Diseases, Department of Medicine, University of
Maryland School of Medicine, Baltimore, MD, USA
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35
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Abstract
HPV-associated squamous neoplasias of the lower anogenital tract are biologically and morphologically equivalent; a unified, two-tiered nomenclature system is recommended to reflect this. Low-grade squamous intraepithelial lesion represents the morphologic manifestation of transient HPV infection with high rate of regression. High-grade squamous intraepithelial lesion (HSIL) represents the morphologic manifestation of persistent high-risk HPV infection and viral integration with a significant rate of progression to invasive carcinoma. Despite these shared attributes, SILs encounter unique diagnostic challenges by anatomic site. This article discusses the LAST project recommendations, challenges associated with their application, and site specific diagnostic challenges in their relevant clinical context.
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36
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Bingmer K, Ofshteyn A, Dietz DW, Stein SL, Steinhagen E. Outcomes in immunosuppressed anal cancer patients. Am J Surg 2019; 219:88-92. [PMID: 31477240 DOI: 10.1016/j.amjsurg.2019.08.011] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 08/07/2019] [Accepted: 08/13/2019] [Indexed: 10/26/2022]
Abstract
BACKGROUND Immunosuppressed patients have an increased risk of developing anal cancer, but little data exists regarding outcomes of this population. METHODS A retrospective review of anal cancer patients at a single academic institution from 2006 to 2017 was performed. RESULTS 19 (14%) of 136 anal cancer patients were immunosuppressed. Immunosuppressed patients were more likely to be hypoalbuminemic (21% vs. 6%, p = 0.025), less likely to complete chemotherapy (58% vs. 80%, p = 0.031) or exhibit a complete response to chemoradiation (57% vs. 82%, p = 0.037), and more likely to experience recurrence (53% vs. 25%, p = 0.013). Hypoalbuminemia was significantly associated with worse overall (HR 6.4, CI 2.2-19.2, p < 0.001) and progression-free (HR 4.4, CI 1.8-10.4, p < 0.001) survival. CONCLUSIONS Immunosuppressed patients have poor tolerance of chemotherapy and response to chemoradiation, and an increased rate of recurrence. This finding is possibly due to the relationship between immunosuppression and hypoalbuminemia, which was associated with worse overall and progression-free survival.
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Affiliation(s)
- Katherine Bingmer
- University Hospitals Research in Surgical Outcomes & Effectiveness Center (UH-RISES), Department of Surgery, University Hospitals, Cleveland Medical Center, Cleveland, OH, USA
| | - Asya Ofshteyn
- University Hospitals Research in Surgical Outcomes & Effectiveness Center (UH-RISES), Department of Surgery, University Hospitals, Cleveland Medical Center, Cleveland, OH, USA
| | - David W Dietz
- University Hospitals Research in Surgical Outcomes & Effectiveness Center (UH-RISES), Department of Surgery, University Hospitals, Cleveland Medical Center, Cleveland, OH, USA
| | - Sharon L Stein
- University Hospitals Research in Surgical Outcomes & Effectiveness Center (UH-RISES), Department of Surgery, University Hospitals, Cleveland Medical Center, Cleveland, OH, USA
| | - Emily Steinhagen
- University Hospitals Research in Surgical Outcomes & Effectiveness Center (UH-RISES), Department of Surgery, University Hospitals, Cleveland Medical Center, Cleveland, OH, USA.
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37
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Coghill AE, Han X, Suneja G, Lin CC, Jemal A, Shiels MS. Advanced stage at diagnosis and elevated mortality among US patients with cancer infected with HIV in the National Cancer Data Base. Cancer 2019; 125:2868-2876. [PMID: 31050361 PMCID: PMC6663596 DOI: 10.1002/cncr.32158] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 03/14/2019] [Accepted: 03/18/2019] [Indexed: 11/10/2022]
Abstract
BACKGROUND People living with HIV (PLWH) are at an increased risk of developing several cancers, but to the authors' knowledge less is known regarding how HIV impacts the rate of progression to advanced cancer or death. METHODS The authors compared stage of disease at the time of presentation and mortality after diagnosis between 14,453 PLWH and 6,368,126 HIV-uninfected patients diagnosed with cancers of the oral cavity, stomach, colorectum, anus, liver, pancreas, lung, female breast, cervix, prostate, bladder, kidney, and thyroid and melanoma using data from the National Cancer Data Base (2004-2014). Polytomous logistic regression and Cox proportional hazards regression were used to evaluate the association between HIV, cancer stage, and stage-adjusted mortality after diagnosis, respectively. Regression models accounted for the type of health facility at which cancer treatment was administered and the type of individual health insurance. RESULTS HIV-infected patients with cancer were found to be more likely to be uninsured (HIV-infected: 5.0% vs HIV-uninfected: 3.3%; P < .0001) and were less likely to have private health insurance (25.4% vs 44.7%; P < .0001). Compared with those not infected with HIV, the odds of being diagnosed at an advanced stage of disease were significantly elevated in PLWH for melanoma and cancers of the oral cavity, liver, female breast, prostate, and thyroid (odds ratio for stage IV vs stage I range, 1.24-2.06). PLWH who were diagnosed with stage I to stage III disease experienced elevated mortality after diagnosis across 13 of the 14 cancer sites evaluated, with hazard ratios ranging from 1.20 (95% CI, 1.14-1.26) for lung cancer to 1.85 (95% CI, 1.68-2.04), 1.85 (95% CI, 1.51-2.27), and 2.93 (95% CI, 2.08-4.13), respectively, for cancers of the female breast, cervix, and thyroid. CONCLUSIONS PLWH were more likely to be diagnosed with advanced-stage cancers and to experience elevated mortality after a cancer diagnosis, even after accounting for health care-related factors.
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Affiliation(s)
- Anna E. Coghill
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda MD
- Cancer Epidemiology Program, H. Lee Moffitt Cancer Center & Research Institute, Tampa FL
| | - Xuesong Han
- Surveillance and Health Services Research, American Cancer Society, Atlanta GA
| | - Gita Suneja
- Radiation Oncology, Duke University, Durham NC
| | - Chun Chieh Lin
- Surveillance and Health Services Research, American Cancer Society, Atlanta GA
- Health Services Research Program, University of Michigan, Ann Arbor MI
| | - Ahmedin Jemal
- Surveillance and Health Services Research, American Cancer Society, Atlanta GA
| | - Meredith S. Shiels
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda MD
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38
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Cvejic E, Poynten IM, Kelly PJ, Jin F, Howard K, Grulich AE, Templeton DJ, Hillman RJ, Law C, Roberts JM, McCaffery K. Psychological and utility-based quality of life impact of screening test results for anal precancerous lesions in gay and bisexual men: baseline findings from the Study of the Prevention of Anal Cancer. Sex Transm Infect 2019; 96:177-183. [PMID: 31371447 DOI: 10.1136/sextrans-2019-054098] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 07/02/2019] [Accepted: 07/17/2019] [Indexed: 11/04/2022] Open
Abstract
OBJECTIVE Gay, bisexual and other men who have sex with men (GBMSM), particularly HIV-positive GBMSM, are at increased anal cancer risk compared with the general population. This study examined the psychological and quality of life (QoL) impact of receiving abnormal anal cancer screening results during the baseline visit of the Study of the Prevention of Anal Cancer (SPANC). METHODS SPANC was a prospective cohort study of the natural history of anal human papillomavirus (HPV) and associated abnormalities in GBM aged 35 years and over. Participants completed questionnaires including aspects of health-related QoL (HR-QoL) and psychosocial functioning at baseline. Participants underwent procedures including an anal swab for cytology, and high-resolution anoscopy with biopsy of any possibly HPV-related abnormality. Questionnaires were readministered 2 weeks and 3 months after participants were given cytology and histology results. Perceived test result served as the study factor. RESULTS Participants with perceived abnormal results (n=232) reported poorer HR-QoL (mean difference=1.8; p=0.004) and lower utility-based QoL (mean difference=0.02; p=0.018) 2 weeks after screening than individuals with perceived normal results (n=268). These differences did not persist at 3-month follow-up. A greater proportion of participants who perceived their results as abnormal reported feeling worse than usual about their anal health and anal cancer fear (p's<0.001), experienced more intrusive thoughts about their results (p's≤0.006) and felt more likely to develop cancer than other gay men their age (p's≤0.025) at both time points than those with perceived normal results. CONCLUSIONS Providing abnormal results may cause psychological distress and impact HR-QoL, with sustained intrusive thoughts, increased cancer worry and perceived cancer risk. The potential for psychological harm needs to be considered when implementing anal cancer screening programmes.
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Affiliation(s)
- Erin Cvejic
- Sydney School of Public Health, Faculty of Medicine and Health, The University of Sydney, Camperdown, New South Wales, Australia
| | - Isobel Mary Poynten
- The Kirby Institute, University of New South Wales, Sydney, New South Wales, Australia
| | - Patrick J Kelly
- Sydney School of Public Health, Faculty of Medicine and Health, The University of Sydney, Camperdown, New South Wales, Australia
| | - Fengyi Jin
- The Kirby Institute, University of New South Wales, Sydney, New South Wales, Australia
| | - Kirsten Howard
- Sydney School of Public Health, Faculty of Medicine and Health, The University of Sydney, Camperdown, New South Wales, Australia
| | - Andrew E Grulich
- The Kirby Institute, University of New South Wales, Sydney, New South Wales, Australia
| | - David J Templeton
- The Kirby Institute, University of New South Wales, Sydney, New South Wales, Australia.,Central Clinical School, Faculty of Medicine and Health, The University of Sydney, Camperdown, New South Wales, Australia.,RPA Sexual Health Service, Sydney Local Health District, Camperdown, New South Wales, Australia
| | - Richard J Hillman
- The Kirby Institute, University of New South Wales, Sydney, New South Wales, Australia.,St Vincent's Hospital, Sydney, New South Wales, Australia
| | - Carmella Law
- St Vincent's Hospital, Sydney, New South Wales, Australia
| | - Jennifer M Roberts
- Cytopathology Department, Douglass Hanly Moir Pathology, Macquarie Park, New South Wales, Australia
| | - Kirsten McCaffery
- Sydney School of Public Health, Faculty of Medicine and Health, The University of Sydney, Camperdown, New South Wales, Australia
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39
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Utility of Stathmin-1 as a Novel Marker in Evaluating Anal Intraepithelial Neoplasia (AIN). Appl Immunohistochem Mol Morphol 2019; 27:134-139. [DOI: 10.1097/pai.0000000000000547] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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40
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Atkinson TM, Palefsky J, Li Y, Webb A, Berry JM, Goldstone S, Levine R, Wilkin TJ, Bucher G, Cella D, Burkhalter JE. Reliability and between-group stability of a health-related quality of life symptom index for persons with anal high-grade squamous intraepithelial lesions: an AIDS Malignancy Consortium Study (AMC-A03). Qual Life Res 2019; 28:1265-1269. [PMID: 30617704 DOI: 10.1007/s11136-018-2089-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/13/2018] [Indexed: 02/07/2023]
Abstract
PURPOSE The Anal Cancer HSIL Outcomes Research (ANCHOR) trial aims to determine whether treating precancerous anal high-grade squamous intraepithelial lesions (HSIL), versus active surveillance, is effective in reducing anal cancer incidence in HIV-infected individuals. We evaluated the reliability (i.e., internal consistency, test-retest) and between-group stability of a 25-item ANCHOR Health-Related Symptom Index (A-HRSI). METHODS ANCHOR participants at least 1-month post-randomization to treatment or active surveillance completed the A-HRSI via telephone. Participants were contacted 7-10 days later to complete the A-HRSI and a participant global impression of change (PGIC) item. RESULTS Participants (n = 100) were enrolled (mean age = 51.4, 79% cisgender-male, 73% African American, 9% Hispanic) from five ANCHOR sites. Cronbach's α was good for the physical symptoms (0.82) domain and fair for the physical impacts (0.79) and psychological symptoms (0.73) domains. Intraclass correlation coefficients were good for each of respective domains (i.e., 0.80, 0.85, and 0.82). There were no significant differences in PGIC between the treatment (n = 56) and active surveillance (n = 44) groups (F(1,98) = 2.03, p = 0.16). CONCLUSIONS The A-HRSI is able to reliably assess participant-reported symptoms and impacts of anal HSIL across a 7-10 days of timeframe. Future work will involve the establishment of construct and discriminant validity prior to inclusion in the full ANCHOR trial.
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Affiliation(s)
| | - Joel Palefsky
- University of California-San Francisco, San Francisco, CA, USA
| | - Yuelin Li
- Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Andrew Webb
- Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - J Michael Berry
- University of California-San Francisco, San Francisco, CA, USA
| | | | | | | | - Gary Bucher
- Anal Dysplasia Clinic Midwest, Chicago, IL, USA
| | - David Cella
- Northwestern University Feinberg School of Medicine, Chicago, IL, USA
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41
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Chen CC, Chou YY. Predictive value of the anal cytology for detecting anal intraepithelial neoplasia or worse: A systematic review and meta-analysis. Diagn Cytopathol 2019; 47:307-314. [PMID: 30605263 DOI: 10.1002/dc.24078] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Revised: 08/13/2018] [Accepted: 08/24/2018] [Indexed: 02/06/2023]
Affiliation(s)
- Cheng-Chieh Chen
- Department of Pathology and Laboratory Medicine; Shin Kong Wu Ho-Su Memorial Hospital; Taipei Taiwan, Republic of China
| | - Yuh-Yu Chou
- Department of Pathology and Laboratory Medicine; Shin Kong Wu Ho-Su Memorial Hospital; Taipei Taiwan, Republic of China
- Department of Pathology, School of Medicine; College of Medicine, Taipei Medical University; Taipei Taiwan, Republic of China
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42
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Prevalence of Anal Squamous Intraepithelial Lesions in HIV-1-Infected Young Men Who Have Sex With Men and Transwomen. J Low Genit Tract Dis 2018; 22:340-347. [PMID: 30169419 DOI: 10.1097/lgt.0000000000000437] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
OBJECTIVE Anal cancer rates are increasing among HIV-infected persons. Although an efficacious human papillomavirus (HPV) vaccine is available, HPV vaccination rates remain low. Therefore, providers perform anal cancer screening, but there is no consensus on the optimal methods or timing of screening. This study was performed to determine the prevalence of and factors associated with anal squamous intraepithelial lesions in sexually active HIV-infected young men who have sex with men and transgender women. MATERIALS AND METHODS We performed a single-center, retrospective study of sexually active HIV-infected young men who have sex with men and transgender women aged 13 to 24 years at an HIV clinic in Atlanta GA from 2009 to 2016. We used analysis of variance and χ tests of independence to evaluate bivariate associations and identify demographic, behavioral, and clinical risk factors. RESULTS Of 314 subjects with a mean (SD) age of 20.4 (2.1) years at initial anal cytology testing, 5% had completed the HPV vaccine series at or before the time that cytology was obtained. Ninety-five percent of the anal cytology tests obtained were abnormal, and 72 (29%) of those subjects returned for diagnostic testing either by intraoperative biopsy or high-resolution anoscopy. Fifty-seven percent of those who underwent biopsy had histologic high-grade squamous intraepithelial lesions including 2 cases of carcinoma in situ. A history of greater than 20 lifetime sexual partners was associated with abnormal histology (probability < 0.001, p = .017). CONCLUSIONS Our study highlights the value of early, standardized screening to avoid missing anal dysplasia or cancer, particularly in unvaccinated persons with high numbers of sexual partners.
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43
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Ortiz AP, Engels EA, Nogueras-González GM, Colón-López V, Soto-Salgado M, Vargas A, Machin M, Shiels MS. Disparities in human papillomavirus-related cancer incidence and survival among human immunodeficiency virus-infected Hispanics living in the United States. Cancer 2018; 124:4520-4528. [PMID: 30345506 DOI: 10.1002/cncr.31702] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Revised: 07/02/2018] [Accepted: 07/04/2018] [Indexed: 01/06/2023]
Abstract
BACKGROUND Human papillomavirus (HPV) causes 10% of cancers among human immunodeficiency virus (HIV)-infected people in the United States. Because Hispanics are disproportionally affected by the HIV epidemic and by infection-related cancers, this study compared incidence rates for HPV-related cancers and survival between Hispanics and non-Hispanic whites (NHWs) and non-Hispanic blacks (NHBs) in the HIV-infected US population. METHODS Based on data from the HIV/AIDS Cancer Match Study, standardized incidence ratios (SIRs) were used to estimate cancer risk in HIV-infected Hispanics and the general US Hispanic population. Among HIV-infected people, cancer rates were compared with incidence rate ratios (IRRs), and survival was compared with hazard ratios between Hispanics and NHWs and NHBs. RESULTS Five hundred two HPV-related cancers occurred in 864,067 person-years of follow-up among HIV-infected Hispanics. Except for oropharyngeal cancer, the risk of HPV-related cancers was higher among HIV-infected Hispanics than in the general population (SIR range, 3.59 [cervical cancer] to 18.7 [anal cancer in men]). Among HIV-infected females, Hispanics had higher cervical cancer rates than NHWs (IRR, 1.70; 95% confidence interval [CI], 1.19-2.43) but lower vulvar cancer rates than NHWs (IRR, 0.40; 95% CI, 0.24-0.67) and NHBs (IRR, 0.62; 95% CI, 0.41-0.95). Among HIV-infected males, Hispanics had higher penile cancer rates than NHWs (IRR, 2.60; 95% CI, 1.36-4.96) but lower anal cancer rates than NHWs (IRR, 0.54; 95% CI, 0.46-0.63) and NHBs (IRR, 0.65; 95% CI, 0.56-0.77). Among HIV-infected Hispanics, 5-year survival was greater than 50% across HPV-related cancer types, with no major differences by racial/ethnic group. CONCLUSIONS HIV-infected Hispanics have an elevated risk for HPV-related cancers. Similarly to the general population, HIV-infected Hispanics have higher rates of cervical and penile cancer than NHWs and NHBs. HPV vaccination should be promoted among HIV-infected individuals to reduce the burden of HPV-related cancers.
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Affiliation(s)
- Ana P Ortiz
- University of Puerto Rico Comprehensive Cancer Center, San Juan, Puerto Rico.,Graduate School of Public Health, University of Puerto Rico, San Juan, Puerto Rico
| | - Eric A Engels
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, Maryland
| | | | - Vivian Colón-López
- University of Puerto Rico Comprehensive Cancer Center, San Juan, Puerto Rico.,Graduate School of Public Health, University of Puerto Rico, San Juan, Puerto Rico
| | - Marievelisse Soto-Salgado
- University of Puerto Rico/MD Anderson Cancer Center Partnership for Excellence in Cancer Research Program, San Juan, Puerto Rico
| | - Alicia Vargas
- District of Columbia Cancer Registry, Department of Health, Washington, District of Columbia
| | - Mark Machin
- University of Puerto Rico Comprehensive Cancer Center, San Juan, Puerto Rico
| | - Meredith S Shiels
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Rockville, Maryland
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Risk of Anal Cancer in Women With a Human Papillomavirus-Related Gynecological Neoplasm: Puerto Rico 1987-2013. J Low Genit Tract Dis 2018; 22:225-230. [PMID: 29649025 DOI: 10.1097/lgt.0000000000000395] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
OBJECTIVE The aim of the study was to estimate the magnitude of the association between HPV-related gynecological neoplasms and secondary anal cancer among women in Puerto Rico (PR). MATERIALS AND METHODS We identified 9,489 women who had been diagnosed with a primary cervical, vaginal, or vulvar tumor during 1987-2013. To describe the trends of invasive cervical, vulvar, vaginal, and anal cancer, the age-adjusted incidence rates were estimated using the direct method (2000 US as Standard Population). Standardized incidence ratios (observed/expected) were computed using the indirect method; expected cases were calculated using 2 methods based on age-specific rates of anal cancer in PR. The ratio of standardized incidence ratios of anal cancer was estimated using the Poisson regression model to estimate the magnitude of the association between HPV-gynecologic neoplasms and secondary anal cancer. RESULTS A significant increase in the incidence trend for anal cancer was observed from 1987 to 2013 (annual percent change = 1.1, p < .05), whereas from 2004 to 2013, an increase was observed for cervical cancer incidence (annual percent change = 3.3, p < .05). The risk of secondary anal cancer among women with HPV-related gynecological cancers was approximately 3 times this risk among women with non-HPV-related gynecological cancers (relative risk = 3.27, 95% CI = 1.37 to 7.79). CONCLUSIONS Anal cancer is increasing among women in PR. Women with gynecological HPV-related tumors are at higher risk of secondary anal cancer as compared with women from the general population and with those with non-HPV-related gynecological cancers. Appropriate anal cancer screening guidelines for high-risk populations are needed, including women with HPV-related gynecological malignancies and potentially other cancer survivors.
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45
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Burkhalter JE, Atkinson TM, Berry-Lawhorn J, Goldstone S, Einstein MH, Wilkin TJ, Lee J, Cella D, Palefsky JM. Initial Development and Content Validation of a Health-Related Symptom Index for Persons either Treated or Monitored for Anal High-Grade Squamous Intraepithelial Lesions. VALUE IN HEALTH : THE JOURNAL OF THE INTERNATIONAL SOCIETY FOR PHARMACOECONOMICS AND OUTCOMES RESEARCH 2018; 21:984-992. [PMID: 30098677 PMCID: PMC6093301 DOI: 10.1016/j.jval.2018.01.018] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2017] [Revised: 01/19/2018] [Accepted: 01/21/2018] [Indexed: 06/08/2023]
Abstract
BACKGROUND Anal cancer, caused by oncogenic types of human papillomavirus, is a growing problem in the United States. A key focus of anal cancer prevention has been screening for and treating precancerous high-grade squamous intraepithelial anal lesions (HSILs). OBJECTIVES To develop a health-related symptom index for HSIL using qualitative techniques because anal HSIL and its treatment may have a negative impact on health-related quality of life (HRQOL), and no HRQOL measure specific to this condition and treatment currently exists. METHODS Expert consultation was used to guide one-on-one concept elicitation interviews with participants to identify HRQOL aspects they attribute to their anal HSIL and its treatment. This resulted in a draft instrument, which was administered to an independent participant sample, where cognitive interview techniques assessed comprehension. RESULTS Eighteen anal HSIL-related concepts were identified by the expert panel. Across the 41 concept elicitation interviews, 23 items representing physical symptoms, physical impacts, and psychological symptoms were identified to comprise the initial measure, which was then evaluated during three rounds of cognitive interviews (n = 45). Several questionnaire aspects were refined on the basis of participant input, with three additional items added per expert/participant recommendation. One item was removed because of poor comprehension, resulting in a 25-item measure. CONCLUSIONS Using state-of-the-art qualitative methodology, we have established the content validity of this new instrument, the ANCHOR Anal HSIL Health-Related Symptom Index. Quantitative validation efforts are currently underway. The participant-driven process of developing this tool will facilitate a participant-centered evaluation of the impact on morbidity for treatment of anal HSIL or observation without treatment.
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Affiliation(s)
| | | | | | | | | | | | - Jeannette Lee
- University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - David Cella
- Northwestern University Feinberg School of Medicine, Chicago, IL, USA
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46
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Clarke MA, Wentzensen N. Strategies for screening and early detection of anal cancers: A narrative and systematic review and meta-analysis of cytology, HPV testing, and other biomarkers. Cancer Cytopathol 2018; 126:447-460. [PMID: 29797691 DOI: 10.1002/cncy.22018] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 03/26/2018] [Accepted: 04/18/2018] [Indexed: 12/14/2022]
Abstract
Anal cancer incidence and mortality have been increasing over the past decade. Although the incidence in the general population remains low, it is much higher in certain subgroups, including those living with human immunodeficiency virus and men who have sex with men. Approximately 90% of anal squamous cell cancers are caused by infection with carcinogenic human papillomavirus (HPV). Given the common etiology between anal and cervical carcinogenesis, screening for anal cancer has been proposed in certain high-risk populations using strategies adapted from cervical cancer prevention. In this review, the authors discuss important differences in anal and cervical cancer regarding the populations at risk, disease natural history, and clinical procedures and outcomes that need to be considered when evaluating strategies for anal cancer screening. They also performed a systematic review and meta-analysis of the performance of anal cytology, anal HPV testing, and various biomarkers for the detection of anal precancers and cancers. The implications of these performance estimates are summarized in the context of risk-based screening and management of anal precancers, and important research gaps are highlighted that need to be addressed to fully understand the benefits and harms of anal cancer screening. Cancer Cytopathol 2018. Published 2018. This article is a U.S. Government work and is in the public domain in the USA.
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Affiliation(s)
- Megan A Clarke
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland
| | - Nicolas Wentzensen
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland
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Abstract
Survival with human immunodeficiency virus (HIV) infection has greatly improved due to effective antiretroviral therapy (ART). As infectious complications have declined, malignancy now accounts for over one-third of deaths among people living with HIV (PLWH). Based on practices in the general population, cancer screening of PLWH can decrease both morbidity and mortality. In this article, we review and consider directed approaches for colorectal, breast, cervical and lung cancer screening. Furthermore, routine physical examinations may detect lymphomas and skin, anal and oral cancers. Comprehensive cancer prevention in PLWH should also include ART adherence, vaccination against oncogenic viruses, treatment of hepatitis viruses and smoking cessation. Cancer screening for PLWH warrants further research on safety and efficacy as well as targeted efforts to increase adherence.
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48
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Wentzensen N, Clarke MA. From clinical epidemiology to practice recommendations: Knowledge gaps and uncertainty in the management of anal precancers. Cancer 2017; 123:4530-4534. [PMID: 28949415 PMCID: PMC8771459 DOI: 10.1002/cncr.31033] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Revised: 08/25/2017] [Accepted: 09/05/2017] [Indexed: 11/10/2022]
Abstract
We discuss the existing data on anal precancers and demonstrate the impact of evidence gaps and uncertainty on a clinical decision model developed to provide clinical guidance for management of anal precancers.
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Affiliation(s)
- Nicolas Wentzensen
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland
| | - Megan A Clarke
- Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland
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49
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Poljak M, Šterbenc A, Lunar MM. Prevention of human papillomavirus (HPV)-related tumors in people living with human immunodeficiency virus (HIV). Expert Rev Anti Infect Ther 2017; 15:987-999. [PMID: 29027811 DOI: 10.1080/14787210.2017.1392854] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
INTRODUCTION In comparison to their HIV-negative counterparts, people living with HIV (PLWH) have a higher prevalence of human papillomavirus (HPV) infection in various anatomical sites coupled with increased HPV persistence, higher risk of HPV-related tumors, and faster disease progression. Areas covered: Gender-neutral prevention strategies for HPV-related cancers in PLWH discussed: ABC approach, HPV vaccination, antiretroviral treatment (ART), anal cancer screening, and smoking cessation. Gender specific strategies: cervical cancer screening reduces the incidence and mortality of cervical cancer and circumcision might reduce the risk of HPV infections in men. Expert commentary: HPV-related cancer incidence has not declined (e.g. cervical cancer) and has even increased (e.g. anal cancer) in the ART era, demanding an effective HPV prevention strategy. HPV vaccination should be introduced into national prevention programs worldwide immediately because current prophylactic vaccines are safe, tolerable, and immunogenic in PLWH. HPV vaccine efficacy trials in PLWH are essential to determine the most appropriate immunization schedule. The population most at risk of anal cancer is HIV-positive men who have sex with men, who are not protected by herd immunity if only the female population is vaccinated. Unvaccinated PLWH need enhanced surveillance for early detection of HPV-related cancers and their precursors.
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Affiliation(s)
- Mario Poljak
- a Institute of Microbiology and Immunology, Faculty of Medicine , University of Ljubljana , Ljubljana , Slovenia
| | - Anja Šterbenc
- a Institute of Microbiology and Immunology, Faculty of Medicine , University of Ljubljana , Ljubljana , Slovenia
| | - Maja M Lunar
- a Institute of Microbiology and Immunology, Faculty of Medicine , University of Ljubljana , Ljubljana , Slovenia
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50
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Mbulawa ZZA, Wilkin T, Goeieman BJ, Jong E, Michelow P, Swarts A, Smith JS, Kegorilwe P, Firnhaber CS, Williamson AL. Prevalence of Anal Human Papillomavirus (HPV) and Performance of Cepheid Xpert and Hybrid Capture 2 (hc2) HPV Assays in South African HIV-Infected Women. Am J Clin Pathol 2017; 148:148-153. [PMID: 28898982 DOI: 10.1093/ajcp/aqx050] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
OBJECTIVES This study investigated anal high-risk HPV (HR-HPV) prevalence in HIV-infected women using the Cepheid Xpert HPV assay and compares its performance with that of Hybrid Capture-2 (hc2). METHODS A total of 199 HIV-infected women were recruited from Helen Joseph Hospital, Johannesburg. Stored ThinPrep anal swabs that had previously been tested using hc2 were tested for HPV using Xpert. RESULTS The HR-HPV prevalence by Xpert was 40.8% and similar to hc2 (41.8%) with overall agreement of 86.7%; Cohen's kappa 0.73 (95% CI 0.63-0.82). High grade squamous intraepithelial lesions (HSIL) was associated with increasing number of multiple HPV infection (P < .001). Xpert and hc2 were similarly sensitive (77.4% and 77.4%, respectively) and specific (66.1% and 64.8% respectively) for HSIL detection. HPV16 (OR: 14.0, 95% CI: 3.9-48.0, P < .0001), HPV39/68/56/66 (OR: 4.1, 95% CI: 1.4-12, P = .01) and HPV51/59 (OR: 2.8, 95% CI: 1.1-7.6, P = .04) were independently associated with anal HSIL. CONCLUSIONS Xpert HPV typing is a promising anal screening test in HIV-infected women that performs similarly to hc2.
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Affiliation(s)
- Zizipho Z. A. Mbulawa
- From the Institute of Infectious Disease and Molecular Medicine and Division of Medical Virology, Department of Pathology, University of Cape Town, Cape Town, South Africa
- Center for HIV and STIs, National Institute for Communicable Disease, National Health Laboratory Service, Cape Town, South Africa
| | - Timothy Wilkin
- Division of Infectious Diseases, Weill Cornell Medicine, New York, NY
| | | | - Eefje Jong
- Julius Clinical Research, Zeist, The Netherlands
| | - Pamela Michelow
- Cytology Unit, Department of Anatomical Pathology, Faculty of Health Sciences, and
- National Health Laboratory Service, Johannesburg, South Africa
| | - Avril Swarts
- Clinical HIV Research Unit, Faculty of Health Sciences, Department of Internal Medicine, University of the Witwatersrand, Johannesburg, South Africa
| | - Jennifer S. Smith
- Department of Epidemiology, University of North Carolina, Gillings School of Global Public Health, Chapel Hill; and
| | | | - Cynthia S. Firnhaber
- Right to Care, Johannesburg, South Africa
- Clinical HIV Research Unit, Faculty of Health Sciences, Department of Internal Medicine, University of the Witwatersrand, Johannesburg, South Africa
| | - Anna-Lise Williamson
- From the Institute of Infectious Disease and Molecular Medicine and Division of Medical Virology, Department of Pathology, University of Cape Town, Cape Town, South Africa
- National Health Laboratory Service, Groote Schuur Hospital, Cape Town, South Africa
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