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Nixon IJ, Shah JP, Zafereo M, Simo RS, Hay ID, Suárez C, Zbären P, Rinaldo A, Sanabria A, Silver C, Mäkitie A, Vander Poorten V, Kowalski LP, Shaha AR, Randolph GW, Ferlito A. The role of radioactive iodine in the management of patients with differentiated thyroid cancer - An oncologic surgical perspective. Eur J Surg Oncol 2020; 46:754-762. [PMID: 31952928 DOI: 10.1016/j.ejso.2020.01.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 11/16/2019] [Accepted: 01/06/2020] [Indexed: 12/18/2022] Open
Abstract
With improved understanding of the biology of differentiated thyroid carcinoma its management is evolving. The approach to surgery for the primary tumour and elective nodal surgery is moving from a "one-size-fits-all" recommendation to a more personalised approach based on risk group stratification. With this selective approach to initial surgery, the indications for adjuvant radioactive iodine (RAI) therapy are also changing. This selective approach to adjuvant therapy requires understanding by the entire treatment team of the rationale for RAI, the potential for benefit, the limitations of the evidence, and the potential for side-effects. This review considers the evidence base for the benefits of using RAI in the primary and recurrent setting as well as the side-effects and risks from RAI treatment. By considering the pros and cons of adjuvant therapy we present an oncologic surgical perspective on selection of treatment for patients, both following pre-operative diagnostic biopsy and in the setting of a post-operative diagnosis of malignancy.
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Affiliation(s)
- I J Nixon
- Department of Otolaryngology, Head and Neck Surgery, NHS Lothian, University of Edinburgh, UK.
| | - J P Shah
- Head and Neck Service, Memorial Sloan-Kettering Cancer Center, New York, NY, USA
| | - M Zafereo
- Head and Neck Surgery, MD Anderson Cancer Center, Houston, TX, USA
| | - R S Simo
- Department of Otorhinolaryngology Head and Neck Surgery, Head, Neck and Thyroid Oncology Unit, Guy's and St Thomas' Hospital NHS Foundation Trust, London, UK
| | - I D Hay
- Division of Endocrinology and Internal Medicine, Mayo Clinic School of Medicine, Rochester, MN, USA
| | - C Suárez
- Instituto de Investigación Sanitaria del Principado de Asturias, Oviedo, Spain; Instituto Universitario de Oncología del Principado de Asturias, Universidad de Oviedo, Oviedo, Spain
| | - P Zbären
- Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital, Bern, Switzerland
| | - A Rinaldo
- University of Udine School of Medicine, Udine, Italy
| | - A Sanabria
- Department of Surgery, School of Medicine, Universidad de Antioquia, Centro de Excelencia en Cirugia de Cabeza y Cuello-CEXCA, Medellin, Colombia
| | - C Silver
- Department of Surgery, University of Arizona College of Medicine, Phoenix, AZ, USA
| | - A Mäkitie
- Department of Otorhinolaryngology, Head and Neck Surgery, University of Helsinki and Helsinki University Hospital, Finland; Research Program in Systems Oncology, Faculty of Medicine, University of Helsinki, Helsinki, Finland; Division of Ear, Nose and Throat Diseases, Department of Clinical Sciences, Intervention and Technology, Karolinska Institute and Karolinska Hospital, Stockholm, Sweden
| | - V Vander Poorten
- Department of Oncology, section Head and Neck Oncology, KU Leuven, and Otorhinolaryngology, Head and Neck Surgery, University Hospitals Leuven, Leuven Cancer Institute, Leuven, Belgium
| | - L P Kowalski
- Department of Head and Neck Surgery and Otorhinolaryngology, A.C. Camargo Cancer Center, and Head and Neck Surgery Department, Faculty of Medicine, University of Sao Paulo, São Paulo, Brazil
| | - A R Shaha
- Head and Neck Service, Memorial Sloan-Kettering Cancer Center, New York, NY, USA
| | - G W Randolph
- Division of Thyroid and Parathyroid Endocrine Surgery, Department of Otolaryngology, Massachusetts Eye and Ear Infirmary, Boston, MA, USA
| | - A Ferlito
- Coordinator of the International Head and Neck Scientific Group, Padua, Italy
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Haughey BH, Sinha P, Kallogjeri D, Goldberg RL, Lewis JS, Piccirillo JF, Jackson RS, Moore EJ, Brandwein-Gensler M, Magnuson SJ, Carroll WR, Jones TM, Wilkie MD, Lau A, Upile NS, Sheard J, Lancaster J, Tandon S, Robinson M, Husband D, Ganly I, Shah JP, Brizel DM, O'Sullivan B, Ridge JA, Lydiatt WM. Pathology-based staging for HPV-positive squamous carcinoma of the oropharynx. Oral Oncol 2016; 62:11-19. [PMID: 27865363 PMCID: PMC5523818 DOI: 10.1016/j.oraloncology.2016.09.004] [Citation(s) in RCA: 87] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2016] [Revised: 09/06/2016] [Accepted: 09/14/2016] [Indexed: 01/23/2023]
Abstract
OBJECTIVE The rapid worldwide rise in incidence of human papillomavirus (HPV)-positive oropharyngeal squamous cell carcinoma (OPSCC) has generated studies confirming this disease as an entity distinct from traditional OPSCC. Based on pathology, surgical studies have revealed prognosticators specific to HPV-positive OPSCC. The current AJCC/UICC staging and pathologic nodal (pN)-classification do not differentiate for survival, demonstrating the need for new, HPV-specific OPSCC staging. The objective of this study was to define a pathologic staging system specific to HPV-positive OPSCC. METHODS Data were assembled from a surgically-managed, p16-positive OPSCC cohort (any T, any N, M0) of 704 patients from five cancer centers. Analysis was performed for (a) the AJCC/UICC pathologic staging, (b) newly published clinical staging for non-surgically managed HPV-positive OPSCC, and (c) a novel, pathology-based, "HPVpath" staging system that combines features of the primary tumor and nodal metastases. RESULTS A combination of AJCC/UICC pT-classification and pathology-confirmed metastatic node count (⩽4 versus ⩾5) yielded three groups: stages I (pT1-T2, ⩽4 nodes), II (pT1-T2, ⩾5 nodes; pT3-T4, ⩽4 nodes), and III (pT3-T4, ⩾5 nodes), with incrementally worse prognosis (Kaplan-Meier overall survival of 90%, 84% and 48% respectively). Existing AJCC/UICC pathologic staging lacked prognostic definition. Newly published HPV-specific clinical stagings from non-surgically managed patients, although prognostic, showed lower precision for this surgically managed cohort. CONCLUSIONS Three loco-regional "HPVpath" stages are identifiable for HPV-positive OPSCC, based on a combination of AJCC/UICC primary tumor pT-classification and metastatic node count. A workable, pathologic staging system is feasible to establish prognosis and guide adjuvant therapy decisions in surgically-managed HPV-positive OPSCC.
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Affiliation(s)
- B H Haughey
- Head and Neck Surgery, Florida Hospital Celebration Health, Celebration, FL, USA; Department of Surgery, University of Auckland Faculty of Medicine and Health Sciences, Auckland, New Zealand.
| | - P Sinha
- Otolaryngology-Head and Neck Surgery, Washington University School of Medicine, St. Louis, MO, USA
| | - D Kallogjeri
- Otolaryngology-Head and Neck Surgery, Washington University School of Medicine, St. Louis, MO, USA
| | - R L Goldberg
- Otolaryngology-Head and Neck Surgery, Washington University School of Medicine, St. Louis, MO, USA
| | - J S Lewis
- Pathology, Microbiology, and Immunology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - J F Piccirillo
- Otolaryngology-Head and Neck Surgery, Washington University School of Medicine, St. Louis, MO, USA
| | - R S Jackson
- Otolaryngology-Head and Neck Surgery, Washington University School of Medicine, St. Louis, MO, USA
| | - E J Moore
- Otolaryngology-Head and Neck Surgery, Mayo Clinic, Rochester, MN, USA
| | - M Brandwein-Gensler
- Pathology and Anatomical Sciences, SUNY at the University at Buffalo, Buffalo, NY, USA
| | - S J Magnuson
- Head and Neck Surgery, Florida Hospital Celebration Health, Celebration, FL, USA
| | - W R Carroll
- Otolaryngology-Head and Neck Surgery, University of Alabama, Birmingham, AL, USA
| | - T M Jones
- Otolaryngology-Head and Neck Surgery, University of Liverpool, UK; Aintree University Hospitals NHS Foundation Trust, Liverpool, UK
| | - M D Wilkie
- Otolaryngology-Head and Neck Surgery, University of Liverpool, UK; Aintree University Hospitals NHS Foundation Trust, Liverpool, UK
| | - A Lau
- Otolaryngology-Head and Neck Surgery, University of Liverpool, UK; Aintree University Hospitals NHS Foundation Trust, Liverpool, UK
| | - N S Upile
- Otolaryngology-Head and Neck Surgery, University of Liverpool, UK; Aintree University Hospitals NHS Foundation Trust, Liverpool, UK
| | - Jon Sheard
- Aintree University Hospitals NHS Foundation Trust, Liverpool, UK; Pathology, University of Liverpool, UK
| | - J Lancaster
- Aintree University Hospitals NHS Foundation Trust, Liverpool, UK
| | - S Tandon
- Aintree University Hospitals NHS Foundation Trust, Liverpool, UK
| | - M Robinson
- Centre for Oral Health Research, Newcastle University, Framlington Place, Newcastle-upon-Tyne, UK
| | - D Husband
- Clatterbridge Cancer Centre, Wirral, UK
| | - I Ganly
- Head and Neck Surgery, Memorial Sloan Kettering Cancer Center, New York, USA
| | - J P Shah
- Head and Neck Surgery, Memorial Sloan Kettering Cancer Center, New York, USA
| | - D M Brizel
- Radiation Oncology, Duke University Medical Center, Durham, NC, USA
| | - B O'Sullivan
- Radiation Oncology, Princess Margaret Cancer Centre, University of Toronto, Toronto, ON, Canada
| | - J A Ridge
- Head and Neck Surgery, Fox Chase Cancer Center, Philadelphia, PA, USA
| | - W M Lydiatt
- Clinical Professor, Creighton Department of Surgery, Omaha, NE, USA
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Nixon IJ, Suárez C, Simo R, Sanabria A, Angelos P, Rinaldo A, Rodrigo JP, Kowalski LP, Hartl DM, Hinni ML, Shah JP, Ferlito A. The impact of family history on non-medullary thyroid cancer. Eur J Surg Oncol 2016; 42:1455-63. [PMID: 27561845 DOI: 10.1016/j.ejso.2016.08.006] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Revised: 07/03/2016] [Accepted: 08/04/2016] [Indexed: 10/21/2022] Open
Abstract
INTRODUCTION Around 10% of patients with non-medullary thyroid cancer (NMTC) will have a positive family history for the disease. Although many will be sporadic, families where 3 first-degree relatives are affected can be considered to represent true familial non-medullary thyroid cancer (FNMTC). The genetic basis, impact on clinical and pathological features, and overall effect on prognosis are poorly understood. METHODS A literature review identified articles which report on genetic, clinical, therapeutic and screening aspects of FNMTC. The results are presented to allow an understanding of the genetic basis and the impact on clinical-pathological features and prognosis in order to inform clinical decision making. RESULTS The genetic basis of FNMTC is unknown. Despite this, significant progress has been made in identifying potential susceptibility genes. The lack of a test for FNMTC has led to a clinical definition requiring a minimum of 3 first-degree relatives to be diagnosed with NMTC. Although some have shown an association with multi-centric disease, younger age and increased rates of extra-thyroidal extension and nodal metastases, these findings are not supported by all. The impact of FNMTC is unclear with all groups reporting good outcome, and some finding an association with more aggressive disease. The role of screening remains controversial. CONCLUSION FNMTC is rare but can be diagnosed clinically. Its impact on prognostic factors and the subsequent role in influencing management is debated. For those patients who present with otherwise low-risk differentiated thyroid cancer, FNMTC should be included in risk assessment when discussing therapeutic options.
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Affiliation(s)
- I J Nixon
- Department of ENT/Head and Neck Surgery, NHS Lothian, Edinburgh University, UK; Department of Otolaryngology, Head and Neck Surgery, NHS Lothian, Edinburgh University, UK.
| | - C Suárez
- Department of Otolaryngology, Hospital Universitario Central de Asturias, Oviedo, Spain; Fundación de Investigación e Innovación Biosanitaria del Principado de Asturias, Oviedo, Spain
| | - R Simo
- Head and Neck Cancer Unit, Guy's and St Thomas' Hospital NHS Foundation Trust, London, UK
| | - A Sanabria
- Department of Surgery, School of Medicine, Universidad de Antioquia, Fundación Colombiana de Cancerología - Clínica Vida, Medellin, Colombia
| | - P Angelos
- Department of Surgery and Surgical Ethics, The University of Chicago Medicine, Chicago, IL, USA
| | - A Rinaldo
- University of Udine School of Medicine, Udine, Italy
| | - J P Rodrigo
- Department of Otolaryngology, Hospital Universitario Central de Asturias, Oviedo, Spain; Instituto Universitario de Oncología del Principado de Asturias, University of Oviedo, Oviedo, Spain
| | - L P Kowalski
- Department of Head and Neck Surgery and Otorhinolaryngology, A.C. Camargo Cancer Center, Sao Paulo, SP, Brazil
| | - D M Hartl
- Department of Otolaryngology-Head and Neck Surgery, Institut Gustave Roussy, Villejuif Cedex, France; Laboratoire de Phonétique et de Phonologie, Sorbonne Nouvelle, Paris, France
| | - M L Hinni
- Department of Otolaryngology-Head and Neck Surgery, Mayo Clinic, Phoenix, AZ, USA
| | - J P Shah
- Head and Neck Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - A Ferlito
- Department of Surgical Sciences, ENT Clinic, University of Udine School of Medicine, Udine; International Head and Neck Scientific Group, Italy
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Nixon IJ, Wang LY, Ganly I, Patel SG, Morris LG, Migliacci JC, Tuttle RM, Shah JP, Shaha AR. Outcomes for patients with papillary thyroid cancer who do not undergo prophylactic central neck dissection. Br J Surg 2015; 103:218-25. [PMID: 26511531 DOI: 10.1002/bjs.10036] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Revised: 08/04/2015] [Accepted: 09/22/2015] [Indexed: 12/28/2022]
Abstract
BACKGROUND The role of prophylactic central neck dissection (CND) in the management of papillary thyroid cancer (PTC) is controversial. This report describes outcomes of an observational approach in patients without clinical evidence of nodal disease in PTC. METHODS All patients who had surgery between 1986 and 2010 without CND for PTC were identified. All patients had careful clinical assessment of the central neck during preoperative and perioperative evaluation, with any suspicious nodal tissue excised for analysis. The cohort included patients in whom lymph nodes had been removed, but no patient had undergone a formal neck dissection. Recurrence-free survival (RFS), central neck RFS and disease-specific survival (DSS) were calculated using the Kaplan-Meier method. RESULTS Of 1798 patients, 397 (22.1 per cent) were men, 1088 (60.5 per cent) were aged 45 years or more, and 539 (30.0 per cent) had pT3 or pT4 disease. Some 742 patients (41.3 per cent) received adjuvant treatment with radioactive iodine. At a median follow-up of 46 months the 5-year DSS rate was 100 per cent. Five-year RFS and central neck RFS rates were 96.6 and 99.1 per cent respectively. CONCLUSION Observation of the central neck is safe and should be recommended for all patients with PTC considered before and during surgery to be free of central neck metastasis.
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Affiliation(s)
- I J Nixon
- Head and Neck Surgery, Memorial Sloan Kettering Cancer Center, New York, USA
| | - L Y Wang
- Head and Neck Surgery, Memorial Sloan Kettering Cancer Center, New York, USA
| | - I Ganly
- Head and Neck Surgery, Memorial Sloan Kettering Cancer Center, New York, USA
| | - S G Patel
- Head and Neck Surgery, Memorial Sloan Kettering Cancer Center, New York, USA
| | - L G Morris
- Head and Neck Surgery, Memorial Sloan Kettering Cancer Center, New York, USA
| | - J C Migliacci
- Head and Neck Surgery, Memorial Sloan Kettering Cancer Center, New York, USA
| | - R M Tuttle
- Department of Endocrinology, Memorial Sloan Kettering Cancer Center, New York, USA
| | - J P Shah
- Head and Neck Surgery, Memorial Sloan Kettering Cancer Center, New York, USA
| | - A R Shaha
- Head and Neck Surgery, Memorial Sloan Kettering Cancer Center, New York, USA
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Amit M, Yen TC, Liao CT, Chaturvedi P, Agarwal JP, Kowalski LP, Kohler HF, Ebrahimi A, Clark JR, Cernea CR, Brandao SJ, Kreppel M, Zöller J, Fliss MD, Bachar G, Shpitzer T, Bolzoni VA, Patel PR, Jonnalagadda S, Robbins KT, Iyer NG, Skanthakumar T, Shah JP, Patel SG, Gil Z. Prognostic Performance of Current Stage III Oral Cancer Patients After Curative Intent Resection: Evidence to Support a Revision of the American Joint Committee on Cancer Staging System. Ann Surg Oncol 2015; 22 Suppl 3:S985-91. [PMID: 26314876 DOI: 10.1245/s10434-015-4842-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Indexed: 11/18/2022]
Abstract
BACKGROUND The American Joint Committee on Cancer (AJCC) stage III classification of oral cavity squamous cell carcinoma (OCSCC) represents a heterogeneous group of patients with early local disease with regional metastases (T1N1 and T2N1) and advanced local disease with or without regional metastasis (T3N0 and T3N1). OBJECTIVE The aim of this study was to evaluate prognostic heterogeneity in the stage III category. METHODS AND PATIENTS An international retrospective multicenter study of 1815 patients who were treated for OCSCC from 2003 to 2011. RESULTS Kaplan-Meier survival analysis and multivariate models of stage III patients revealed better overall survival (OS; HR 2.12, 95 % CI 1.03-4.15; p = 0.01) and disease-specific survival (DSS; HR 1.7, 95 % CI 1.16-4.12; p = 0.04) rates for patients with T1-2N1/T3N0 disease than for patients with T3N1 disease. The outcomes of patients with T3N1 and stage IVa disease were similar (p = 0.89 and p = 0.78 for OS and DSS, respectively). Modifying stage classification by transferring the T3N1 category to the stage VIa group resulted in a better prognostic performance [Harrell's concordance index, C index 0.76; Akaike's Information Criterion (AIC) 4131.6] compared with the AJCC 7th edition staging system (C index 0.65; AIC 4144.9) for OS. When DSS was assessed, the suggested staging system remained the best performing model (C index 0.71; AIC 1061.3) compared with the current AJCC 7th edition staging (C index 0.64; AIC 1066.2). CONCLUSIONS The prognosis of T3N1 and stage IVa disease are similar in OCSCC, suggesting that these categories could be combined in future revisions of the nodal staging system to enhance prognostic accuracy.
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Affiliation(s)
- M Amit
- The Laboratory for Applied Cancer Research, Clinical Research Institute at Rambam, Rappaport Institute for Research in Medical Science, Haifa, Israel.,Department of Otolaryngology, Head and Neck Surgery, Head and Neck Center, Rambam Medical Center, Rappaport School of Medicine, The Technion, Israel Institute of Technology, 66036, Haifa, Israel
| | - T C Yen
- Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - C T Liao
- Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | | | | | | | | | - A Ebrahimi
- Sydney Head and Neck Cancer Institute, Royal Prince Alfred Hospital, Sydney, Australia.,Australian School of Advanced Medicine, Macquarie University, Sydney, NSW, Australia
| | - J R Clark
- Sydney Head and Neck Cancer Institute, Royal Prince Alfred Hospital, Sydney, Australia
| | - C R Cernea
- Department of Head and Neck Surgery, University of São Paulo Medical School, São Paulo, Brazil
| | - S J Brandao
- Department of Head and Neck Surgery, University of São Paulo Medical School, São Paulo, Brazil
| | - M Kreppel
- Department of Oral and Cranio-Maxillo and Facial Plastic Surgery, University of Cologne, Cologne, Germany
| | - J Zöller
- Department of Oral and Cranio-Maxillo and Facial Plastic Surgery, University of Cologne, Cologne, Germany
| | - M D Fliss
- Department of Pathology, Tel Aviv Medical Center, Tel Aviv, Israel
| | - G Bachar
- Department of Otolaryngology Head and Neck Surgery, Rabin Medical Center, Petach Tikva, Israel
| | - T Shpitzer
- Department of Otolaryngology Head and Neck Surgery, Rabin Medical Center, Petach Tikva, Israel
| | - V A Bolzoni
- Department of ENT, University of Brescia, Owensboro, Italy
| | - P R Patel
- University of Auckland, Auckland, New Zealand
| | - S Jonnalagadda
- Southern Illinois University School of Medicine, Springfield, IL, USA
| | - K T Robbins
- Southern Illinois University School of Medicine, Springfield, IL, USA
| | - N G Iyer
- Singhealth/Duke-NUS Head and Neck Centre, National Cancer Centre Singapore, Singapore, Singapore
| | - T Skanthakumar
- Singhealth/Duke-NUS Head and Neck Centre, National Cancer Centre Singapore, Singapore, Singapore
| | - J P Shah
- Head and Neck Surgery Service, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - S G Patel
- Head and Neck Surgery Service, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Z Gil
- The Laboratory for Applied Cancer Research, Clinical Research Institute at Rambam, Rappaport Institute for Research in Medical Science, Haifa, Israel. .,Department of Otolaryngology, Head and Neck Surgery, Head and Neck Center, Rambam Medical Center, Rappaport School of Medicine, The Technion, Israel Institute of Technology, 66036, Haifa, Israel.
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Ibrahimpasic T, Ghossein R, Carlson DL, Nixon I, Palmer FL, Shaha AR, Patel SG, Tuttle RM, Shah JP, Ganly I. Outcomes in patients with poorly differentiated thyroid carcinoma. J Clin Endocrinol Metab 2014; 99:1245-52. [PMID: 24512493 DOI: 10.1210/jc.2013-3842] [Citation(s) in RCA: 83] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
BACKGROUND Poorly differentiated thyroid cancer (PDTC) accounts for only 1-15% of all thyroid cancers. Our objective is to report outcomes in a large series of patients with PDTC treated at a single tertiary care cancer center. METHODS A total of 91 patients with primary PDTC were treated by initial surgery with or without adjuvant therapy at Memorial Sloan-Kettering Cancer Center from 1986 to 2009. Outcomes were calculated by the Kaplan-Meier method. Clinicopathological characteristics were compared for PDTC patients who died of disease to those who did not by the χ(2) test. Factors predictive of disease-specific survival (DSS) were calculated by univariate and multivariate analysis using the log rank and Cox proportional hazards method, respectively. RESULTS With a median follow-up of 50 months, the 5-year overall survival and DSS were 62 and 66%, respectively. The 5-year locoregional and distant control were 81 and 59%, respectively. Of 27 disease-specific deaths, 23 (85%) were due to distant disease. Age ≥ 45 years, pathological tumor size >4 cm, extrathyroidal extension, higher pathological T stage, positive margins, and distant metastases (M1) were predictive of worse DSS on univariate analysis. Multivariate analysis showed that only pT4a stage and M1 were independent predictors of worse DSS. CONCLUSIONS With appropriate surgery and adjuvant therapy, excellent locoregional control can be achieved in PDTC. Disease-specific deaths occurred due to distant metastases and rarely due to uncontrolled locoregional recurrence in this series.
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Affiliation(s)
- T Ibrahimpasic
- Departments of Head and Neck Surgery (T.I., I.N., F.L.P., A.R.S., S.G.P., J.P.S., I.G.) and Pathology (R.G.), Memorial Sloan-Kettering Cancer Center, New York, New York 10065; Department of Pathology (D.L.C.), Cleveland Clinic, Weston, Florida 33331; and Department of Endocrinology (R.M.T.), Memorial Sloan-Kettering Cancer Center, New York, New York 10065
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Mohebati A, DiLorenzo M, Palmer F, Patel SG, Pfister D, Lee N, Tuttle RM, Shaha AR, Shah JP, Ganly I. Anaplastic Thyroid Carcinoma: A 25-year Single-Institution Experience. Ann Surg Oncol 2014; 21:1665-70. [DOI: 10.1245/s10434-014-3545-5] [Citation(s) in RCA: 68] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2013] [Indexed: 11/18/2022]
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Gyorki DE, Boyle JO, Ganly I, Morris L, Shaha AR, Singh B, Wong RJ, Shah JP, Busam K, Kraus D, Coit DG, Patel S. Incidence and location of positive nonsentinel lymph nodes in head and neck melanoma. Eur J Surg Oncol 2013; 40:305-10. [PMID: 24361245 DOI: 10.1016/j.ejso.2013.11.017] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2013] [Revised: 11/12/2013] [Accepted: 11/18/2013] [Indexed: 11/28/2022] Open
Abstract
BACKGROUND The complex lymphatic drainage in the head and neck makes sentinel lymph node biopsy (SLNB) for melanomas in this region challenging. This study describes the incidence, and location of additional positive nonsentinel lymph nodes (NSLN) in patients with cutaneous head and neck melanoma following a positive SLNB. METHODS A retrospective review was performed using a single institution prospective database. Patients with a primary melanoma in the head or neck with a positive cervical SLNB were identified. The lymphadenectomy specimen was divided intraoperatively into lymph node levels I-V, and NSLN status determined for each level. RESULTS Of 387 patients with melanoma of the head and neck who underwent cervical SLNB, 54 had a positive SLN identified (14%). Thirty six patients (67%) underwent immediate completion lymph node dissection (CLND) of whom eight patients (22%) had a positive NSLN. The remaining 18 patients (33%) did not undergo CLND and were observed. Half of positive NSLNs (50%) were in the same lymph node level as the SLN and 33% were in an immediately adjacent level; only two patients were found to have NSLNs in non-adjacent levels. The only factor predictive of NSLN involvement was the size of the tumor deposit in the SLN>0.2 mm (p = 0.05). Superficial parotidectomy at CLND revealed metastatic melanoma only in patients with a positive parotid SLN. CONCLUSIONS A positive NLSN was identified in 22% of patients undergoing CLND after a positive SLNB. The majority of positive NSLNs are found within or immediately adjacent to the nodal level containing the SLN.
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Affiliation(s)
- D E Gyorki
- Peter MacCallum Cancer Centre, Melbourne, Australia
| | - J O Boyle
- Memorial Sloan-Kettering Cancer Center, New York, USA
| | - I Ganly
- Memorial Sloan-Kettering Cancer Center, New York, USA
| | - L Morris
- Memorial Sloan-Kettering Cancer Center, New York, USA
| | - A R Shaha
- Memorial Sloan-Kettering Cancer Center, New York, USA
| | - B Singh
- Memorial Sloan-Kettering Cancer Center, New York, USA
| | - R J Wong
- Memorial Sloan-Kettering Cancer Center, New York, USA
| | - J P Shah
- Memorial Sloan-Kettering Cancer Center, New York, USA
| | - K Busam
- Memorial Sloan-Kettering Cancer Center, New York, USA
| | - D Kraus
- New York Head & Neck Institute, North Shore-LIJ Cancer Institute, USA
| | - D G Coit
- Memorial Sloan-Kettering Cancer Center, New York, USA
| | - S Patel
- Memorial Sloan-Kettering Cancer Center, New York, USA.
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Amit M, Yen TC, Liao CT, Binenbaum Y, Chaturvedi P, Agarwal JP, Kowalski LP, Ebrahimi A, Clark JR, Cernea CR, Brandao SJ, Kreppel M, Zöller J, Fliss D, Bachar G, Shpitzer T, Bolzoni VA, Patel PR, Jonnalagadda S, Robbins KT, Shah JP, Patel SG, Gil Z. Clinical Nodal Stage is a Significant Predictor of Outcome in Patients with Oral Cavity Squamous Cell Carcinoma and Pathologically Negative Neck Metastases: Results of the International Consortium for Outcome Research. Ann Surg Oncol 2013; 20:3575-81. [DOI: 10.1245/s10434-013-3044-0] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2013] [Indexed: 12/23/2022]
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10
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Abstract
Surgery is the mainstay of therapy for most patients who present with thyroid cancer. The surgeon must select an appropriate procedure based upon pre operative factors such as tumor histology, extent of primary disease, the presence of regional or distant metastases, associated disease in the contralateral thyroid lobe and the potential for post operative adjuvant therapy. Preservation of the vital structures in the central neck, including the recurrent and superior laryngeal nerves and the parathyroid glands is critical as is the maintenance of absolute hemostasis. In this review article we describe the management of Well Differentiated Thyroid Cancer (WDTC) presenting as a solitary nodule, WDTC in a background of multinodular disease and the management of WDTC presenting as advanced local disease. We go onto discuss the impact that regional and distant metastases have on the choice of surgical approach. The focus of this article is WDTC, however the principles of management of the primary in medullary and anaplastic carcinoma are also discussed.
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Affiliation(s)
- I J Nixon
- Head and Neck Service, Memorial Sloan Kettering Cancer Center, 1275 York Avenue, New York, NY 10065, USA.
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11
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Mohebati A, Ganly I, Busam KJ, Coit D, Kraus DH, Shah JP, Patel SG. The Role of Sentinel Lymph Node Biopsy in the Management of Head and Neck Desmoplastic Melanoma. Ann Surg Oncol 2012; 19:4307-13. [DOI: 10.1245/s10434-012-2468-2] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2012] [Indexed: 01/24/2023]
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12
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Abstract
PURPOSE To examine the effects of object size on scatter-corrected CT histograms to be used in threshold-based tissue segmentation. METHODS A polyethylene cone filled with various concentrations of water and methanol mixtures, simulating glandular and adipose tissues, were imaged with our quasi-monochromatic dedicated breast CT, and scatter corrected using beam-stop array measurements. Images were reconstructed using iterative OSC, and individual coronal slices along the central axis of the cone were analyzed, with radii ranging from 3.25-6.25cm. Histograms from each slice were fit with two Gaussians (fluid filling and cone material) using nonlinear least squares methods, and the corresponding standard deviation and peak centroid of each filled material were evaluated as a function of object radius. Identical methods were applied to dedicated breast CT images of four patients for clinical comparison. RESULTS Analysis of phantoms and breast data indicates low correlation between the standard deviation and object diameter. The centroids of the Gaussian peaks demonstrate an inverse linear relationship with increasing object size, independent of object material. The clinical datasets show a similar linear relationship between centroids and breast radius. CONCLUSIONS Data indicate that using a linear combination of Gaussian distribution functions to segment breast tissue in scatter corrected, quasi-monochromatic cone beam dedicated breast CT is possible. An object size-independent variation of attenuation values may allow for consistent restraints on initial fit parameters, resulting in improved confidence using Gaussian curve fitting. Appropriate scaling of the size-dependent volume slices, or independent slice analysis, is necessary to minimize binning variability for accurate tissue segmentation using Gaussian curve fitting. This work is supported by National Institutes of Health (R01-CA096821) and NIH Training Grant (T32-EB007185). MPT is the inventor of this hybrid breast imaging technology, and is named as an inventor on the patent for this technology assigned to Duke (US Pat. #7,609,808). If this technology becomes commercially successful, MPT and Duke could benefit financially.
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Affiliation(s)
- S D Mann
- Duke University, Durham, North Carolina
| | - J P Shah
- Duke University, Durham, North Carolina
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13
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Agasthya GA, Harrawood BC, Shah JP, Kapadia AJ. Sensitivity analysis for liver iron measurement through neutron stimulated emission computed tomography: a Monte Carlo study in GEANT4. Phys Med Biol 2011; 57:113-26. [DOI: 10.1088/0031-9155/57/1/113] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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14
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Harrison LB, Pfister DG, Kraus D, Armstrong JG, Zelefsky MJ, Wiseberg J, Bosl GJ, Strong EW, Shah JP. Management of unresectable malignant tumors at the skull base using concomitant chemotherapy and radiotherapy with accelerated fractionation. Skull Base Surg 2011; 4:127-31. [PMID: 17171161 PMCID: PMC1661798 DOI: 10.1055/s-2008-1058963] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Between January 1988 and June 1992, 20 patients with unresectable malignant tumors at the skull base were treated. Eleven had T4 lesions of the paranasal sinus/cavity complex, and 9 had T4 nasopharynx cancer. All patients had stage IV disease by the American Joint Committee on Staging Criteria. The histology was squamous cell cancer in 15 patients and other minor salivary gland histologies in 5. There was brain and/or dural invasion in 11 patients and orbital invasion in 9. All patients received radiation therapy with accelerated fractionation to a total of 70 Gy in 6 weeks. Concomitant cisplatin (100 mg/m(2)) was given on days 1 and 22 of radiation. Seven patients received mitomycin C (7.5 mg/m(2)) on days 1 and 22, plus adjuvant chemotherapy with cisplatin and vinblastine. Median follow-up was 11 (range: 1 to 43) months. At 2 years, local progression-free survival was 94%, distant metastases-free survival was 57%, and overall survival was 80%. Complications occurred in 20% and caused the death of 1 patient. Treatment of this group of patients with aggressive chemotherapy and radiation therapy produced excellent local control in our early experience, but longer follow-up is needed. There is a high rate of distant failure. Future strategies are outlined.
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Abstract
Parathyroid carcinoma is a rare endocrine malignancy. The reported incidence is from 0.5 to 5% of primary hyperparathyroidism cases in various series. The cause is unknown, but clinical correlations with different genetic syndromes exist. Mutations in the HPRT2 gene seem to play a significant role in the pathogenesis of this disease. Men and women are equally affected, usually in the fourth or fifth decade of life. Most patients will present with signs and symptoms of hypercalcaemia. Cases of non-functioning carcinoma are exceedingly rare. Surgical resection is the most effective method of treatment and palliation. A significant proportion of patients will experience recurrence, and will need further surgical and, eventually, medical management of hypercalcaemia. The disease is progressive but slow growing. Most patients will require multiple operations to resect recurrent disease. The main cause of morbidity and mortality is the sequela of uncontrolled chronic hypercalcaemia rather than tumour burden. The current paper will review the epidemiology, pathogenesis, clinical presentation and diagnostic work-up of this disease. Surgical management in different scenarios is reviewed in detail, followed by other types of treatment and management of incurable disease.
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Affiliation(s)
- B Givi
- Head and Neck Service, Department of Surgery, 1275 York Ave, Memorial Sloan-Kettering Cancer Center, New York 10065, USA
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16
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Garg G, Shah JP, Toy EP. Comparison of surgery or radiotherapy on complications and quality of life in patients with the stage IB and IIA uterine cervical cancer (Gynecol Oncol Oct 2009; 115(1):41-45). Gynecol Oncol 2009; 116:587; author reply 587-8. [PMID: 19906414 DOI: 10.1016/j.ygyno.2009.10.057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2009] [Accepted: 10/19/2009] [Indexed: 11/30/2022]
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17
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Kumar S, Bryant CS, Shah JP, Ruterbusch JJ, Cote ML, Vay A, Solomon LA, Ali-Fehmi R, Morris RT, Malone JM. Second neoplasms in survivors of endometrial cancer: Impact of radiation therapy. J Clin Oncol 2008. [DOI: 10.1200/jco.2008.26.15_suppl.5539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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18
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Shah PS, Ohlsson A, Shah JP. Continuous negative extrathoracic pressure or continuous positive airway pressure for acute hypoxemic respiratory failure in children. Cochrane Database Syst Rev 2008:CD003699. [PMID: 18254028 DOI: 10.1002/14651858.cd003699.pub3] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
BACKGROUND Acute hypoxemic respiratory failure (AHRF) is an important cause of mortality and morbidity in children. Positive pressure ventilation is currently the standard care, however, it does have complications. Continuous negative extrathoracic pressure ventilation (CNEP) or continuous positive airway pressure (CPAP) ventilation delivered via non-invasive approaches (Ni-CPAP) have shown certain beneficial effects in animal and uncontrolled human studies. OBJECTIVES The primary objective was to assess the effectiveness of CNEP or Ni-CPAP in pediatric patients with AHRF from non-cardiogenic causes. SEARCH STRATEGY We searched the Cochrane Central Register of Controlled Trials (The Cochrane Library 2007, Issue 3); MEDLINE (January 1966 to July 2007); EMBASE (1980 to July 2007); CINAHL (1982 to July 2007); and published abstracts from the meetings of the American Thoracic Society and Pediatric Critical Care Meetings (1992 to 2007). SELECTION CRITERIA Randomized or quasi-randomized clinical trials of either CNEP or Ni-CPAP versus standard therapy (including positive pressure ventilation) involving children (at least 1 month old and less than 18 years of age at the time of randomization) who met the criteria for diagnosis of AHRF with at least one of the outcomes reported were included. DATA COLLECTION AND ANALYSIS Risks of bias of the included study was assessed using: concealment of allocation, blinding of intervention, completeness of follow up and blinding of outcome measurements. Data on relevant outcomes were abstracted and the effect size was estimated by calculating relative risk (RR) with 95% confidence intervals (CI) and risk difference (RD). MAIN RESULTS One eligible study published in an abstract format was identified. It studied 33 infants (18 controls, 15 receiving CNEP) with a clinical diagnosis of bronchiolitis and fraction of inspired oxygen (FiO(2)) > 40% were studied. This allowed a reduction in the FiO(2) (< 30% within one hour of initiation of therapy) in four patients in the CNEP group compared to none in the control group (RR 10.7, 95% CI 0.6 to 183.9). One infant required CPAP and one infant required nasal CPAP in the control group while all infants in the CNEP group were managed without intubation (RR for both outcomes 0.40, 95% CI 0.02 to 9.06). AUTHORS' CONCLUSIONS There is a lack of well designed, controlled experiments of non-invasive modes of respiratory support in children with AHRF. Reduction of in-hospital mortality is an important outcome and even a small reduction would be beneficial. Studies assessing other outcomes such as avoidance of intubation and its associated complications, reduction in hospital stay and improvement in patient comfort are also valuable in gauging the overall impact of these strategies.
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Affiliation(s)
- P S Shah
- University of Toronto, Department of Paediatrics, Rm 775A, 600 University Avenue, Toronto, Ontario, Canada M5G 1XB.
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19
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Shah JP. PS-8.2 Oocyte donation and surrogacy. Reprod Biomed Online 2008. [DOI: 10.1016/s1472-6483(10)61497-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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20
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Shah PS, Ohlsson A, Shah JP. Continuous negative extrathoracic pressure or continuous positive airway pressure for acute hypoxemic respiratory failure in children. Cochrane Database Syst Rev 2005:CD003699. [PMID: 16034907 DOI: 10.1002/14651858.cd003699.pub2] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
BACKGROUND Acute hypoxemic respiratory failure (AHRF) is an important cause of mortality and morbidity in the pediatric age group. Positive pressure ventilation is currently the standard of care, though is known to be associated with complications. Continuous negative extrathoracic pressure ventilation (CNEP) or continuous positive airway pressure ventilation delivered via non-invasive approaches (Ni-CPAP) have shown certain beneficial effects in animal and uncontrolled human studies. OBJECTIVES The primary objective of this review was to assess the effectiveness of CNEP and Ni-CPAP in pediatric patients with AHRF due to non-cardiogenic causes. SEARCH STRATEGY We searched the Cochrane Central Register of Controlled Trials (The Cochrane Library Issue 1, 2005); MEDLINE (January 1966 to March 2005); EMBASE (1980 to March 2005); CINAHL (1982 to March 2005); published abstracts from the meetings of the American Thoracic Society and Pediatric Critical Care Meetings (1992 to 2005); and bibliographies of identified articles and asking the experts in the field. SELECTION CRITERIA Randomized or quasi-randomized clinical trials of either CNEP or Ni-CPAP versus standard therapy (positive pressure ventilation) involving children (at least 1 month old and less than 18 years of age at the time of randomization) who met the criteria for diagnosis of AHRF with at least one of the outcomes reported were included. DATA COLLECTION AND ANALYSIS The methodological quality of included study was assessed using the following criteria: concealment of randomization, blinding of intervention, completeness of follow up and blinding of outcome measurements. Data on relevant outcomes were abstracted and the effect size was estimated by calculating relative risk (RR) with 95% confidence intervals (CI) and risk difference (95% CI). MAIN RESULTS One eligible study was identified which was published in abstract format. Thirty-three infants (18 in the control group and 15 in the CNEP group) with a clinical diagnosis of bronchiolitis and fraction of inspired oxygen (FiO(2))()greater than 40% were studied. There was reduction in the FiO(2) (less than 30% within one hour of initiation of therapy) in four patients in the CNEP group compared to none in the control group (RR 10.7, 95% CI 0.6 to 183.9). One infant required positive pressure ventilation and one infant required nasal CPAP in the control group while all infants in the CNEP group were managed without intubation (RR for both outcomes 0.40, 95% CI 0.02 to 9.06). IMPLICATION FOR PRACTICE There is a lack of well designed, controlled experiments of noninvasive modes of respiratory support in children with AHRF. Implication for research: Reduction of in-hospital mortality is an important outcome and even a small reduction could be beneficial. Studies assessing other outcomes such as avoidance of intubation and its associated complications, reduction in hospital stay and improvement in patient comfort are also valuable in gauging the overall impact of these strategies.
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Affiliation(s)
- P S Shah
- Department of Paediatrics and Department of Health Policy, Management and Evaluation, University of Toronto, Rm 775A, 600 University Avenue, Toronto, Ontario, Canada, M5G 1XB.
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21
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Su YB, Kraus DH, Zelefsky MJ, Lis E, Wolden SL, Herman K, Sedarati F, Shaha AR, Shah JP, Pfister DG. Concurrent cetuximab, cisplatin, and radiotherapy (RT) for loco-regionally advanced squamous cell carcinoma of the head and neck (SCCHN): Updated results of a novel combined modality paradigm. J Clin Oncol 2005. [DOI: 10.1200/jco.2005.23.16_suppl.5529] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Y. B. Su
- Memorial Sloan-Kettering Cancer Ctr, New York, NY; ImClone Systems, Inc, Branchburg, NJ
| | - D. H. Kraus
- Memorial Sloan-Kettering Cancer Ctr, New York, NY; ImClone Systems, Inc, Branchburg, NJ
| | - M. J. Zelefsky
- Memorial Sloan-Kettering Cancer Ctr, New York, NY; ImClone Systems, Inc, Branchburg, NJ
| | - E. Lis
- Memorial Sloan-Kettering Cancer Ctr, New York, NY; ImClone Systems, Inc, Branchburg, NJ
| | - S. L. Wolden
- Memorial Sloan-Kettering Cancer Ctr, New York, NY; ImClone Systems, Inc, Branchburg, NJ
| | - K. Herman
- Memorial Sloan-Kettering Cancer Ctr, New York, NY; ImClone Systems, Inc, Branchburg, NJ
| | - F. Sedarati
- Memorial Sloan-Kettering Cancer Ctr, New York, NY; ImClone Systems, Inc, Branchburg, NJ
| | - A. R. Shaha
- Memorial Sloan-Kettering Cancer Ctr, New York, NY; ImClone Systems, Inc, Branchburg, NJ
| | - J. P. Shah
- Memorial Sloan-Kettering Cancer Ctr, New York, NY; ImClone Systems, Inc, Branchburg, NJ
| | - D. G. Pfister
- Memorial Sloan-Kettering Cancer Ctr, New York, NY; ImClone Systems, Inc, Branchburg, NJ
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22
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Su YB, Vickers A, Zelefsky MJ, Kraus DH, Shaha AR, Shah JP, Lake S, Harrison LB, Bosl GJ, Pfister DG. Double-blind, randomized trial of granulocyte-colony stimulating factor (GCSF) versus (v.) placebo during postoperative radiation (RT) for advanced resectable squamous cell head and neck cancer (SCCHN): Impact on mucositis. J Clin Oncol 2004. [DOI: 10.1200/jco.2004.22.90140.5587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Affiliation(s)
- Y. B. Su
- Memorial Sloan-Kettering Cancer Center, New York, NY; Beth Israel Medical Center, New York, NY
| | - A. Vickers
- Memorial Sloan-Kettering Cancer Center, New York, NY; Beth Israel Medical Center, New York, NY
| | - M. J. Zelefsky
- Memorial Sloan-Kettering Cancer Center, New York, NY; Beth Israel Medical Center, New York, NY
| | - D. H. Kraus
- Memorial Sloan-Kettering Cancer Center, New York, NY; Beth Israel Medical Center, New York, NY
| | - A. R. Shaha
- Memorial Sloan-Kettering Cancer Center, New York, NY; Beth Israel Medical Center, New York, NY
| | - J. P. Shah
- Memorial Sloan-Kettering Cancer Center, New York, NY; Beth Israel Medical Center, New York, NY
| | - S. Lake
- Memorial Sloan-Kettering Cancer Center, New York, NY; Beth Israel Medical Center, New York, NY
| | - L. B. Harrison
- Memorial Sloan-Kettering Cancer Center, New York, NY; Beth Israel Medical Center, New York, NY
| | - G. J. Bosl
- Memorial Sloan-Kettering Cancer Center, New York, NY; Beth Israel Medical Center, New York, NY
| | - D. G. Pfister
- Memorial Sloan-Kettering Cancer Center, New York, NY; Beth Israel Medical Center, New York, NY
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23
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Shah JP, Houk BL, Feddock CA, Hoellein AR, Wilson JF, Caudill TS, Griffith CH. DO BUSY AND TIRED RESIDENTS TEACH LESS? J Investig Med 2004. [DOI: 10.1097/00042871-200401001-00691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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24
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Shah JP, Houk BL, Feddock CA, Hoellein AR, Wilson JF, Caudill TS, Griffith CH. 138 DO BUSY AND TIRED RESIDENTS TEACH LESS? J Investig Med 2004. [DOI: 10.1136/jim-52-suppl1-691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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25
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Shah PS, Ohlsson A, Shah JP. Continuous negative extrathoracic pressure or continuous positive airway pressure for acute hypoxemic respiratory failure in children. Cochrane Database Syst Rev 2003:CD003699. [PMID: 12917982 DOI: 10.1002/14651858.cd003699] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
BACKGROUND Acute hypoxemic respiratory failure (AHRF) is an important cause of mortality and morbidity in the pediatric age group. Despite varied etiologies and different population characteristics the aims of therapy are to achieve adequate oxygenation and ventilation. Positive pressure ventilation is currently the standard of care. It is ordinarily provided by intubation and mechanical ventilation, which is associated with a number of well recognized complications. Continuous negative extrathoracic pressure ventilation (CNEP) or continuous positive airway pressure ventilation delivered via non-invasive approaches (Ni-CPAP) have shown certain beneficial effects in animal and uncontrolled human studies. In a systematic review of studies involving neonates, continuous distending pressure using either CNEP or CPAP (applied via face mask) was associated with reduction in mortality but with an increased incidence of pneumothoraces, in neonates. OBJECTIVES The primary objective of this review was to assess the effectiveness of CNEP and Ni-CPAP in pediatric patients with AHRF due to non-cardiogenic causes. SEARCH STRATEGY A literature search was performed using following databases: Cochrane Central Register of Controlled Trials (December 2002); MEDLINE (January 1966 to December 2002); EMBASE (1980 to December 2002); CINAHL (1982 to December 2002); published abstracts from the meetings of the American Thoracic Society and Pediatric Critical Care Meetings (1992 to 2001); and bibliographies of identified articles and asking the experts in the field. SELECTION CRITERIA Selection criteria applied to the clinical trials were: the population were children (at least 1 month old and less than 18 years of age at the time of randomization); patients met the criteria for diagnosis of AHRF; intervention was either CNEP or Ni-CPAP versus standard therapy (positive pressure ventilation); the trial was randomized or quasi-randomized; and at least one of the primary or secondary outcomes were reported. DATA COLLECTION AND ANALYSIS The methodological quality of included study was assessed using the following criteria: concealment of randomization, blinding of intervention, completeness of follow up and blinding of outcome measurements. Data on relevant outcomes were abstracted and the effect size was estimated by calculating relative risk (RR) with 95% confidence intervals (CI) and risk difference (95% CI). MAIN RESULTS One eligible study was identified which was published in abstract format. Thirty three infants (18 in the control group and 15 in the CNEP group) with a clinical diagnosis of bronchiolitis and oxygen requirement of greater than 40% were studied. There was reduction in the oxygen requirement (less than 30% within one hour of initiation of therapy) in four patients in the CNEP group compared to none in the control group (typical RR 10.7, 95% CI 0.6, 183.9). One infant required positive pressure ventilation and one infant required nasal CPAP in the control group while all infants in the CNEP group were managed without intubation (typical RR for both outcomes 0.40, 95% CI 0.02, 9.06). IMPLICATION FOR PRACTICE There is a lack of well designed, large controlled experiments comparing use of noninvasive modes of respiratory support in children with AHRF. Uncontrolled evidence of reduction in the intubation and hospital stay needs confirmation in proper studies evaluating risks involved with these practices. Implication for research: It is unlikely that CNEP or Ni-CPAP will have significant impact on mortality in AHRF, however, even a small reduction may be very important. Studies assessing other outcomes such as avoidance of intubation and its associated complications, reduction in hospital stay and improvement in patient comfort are also valuable in assessing the overall impact of these strategies.
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Affiliation(s)
- P S Shah
- Department of Paediatrics, Mount Sinai Hospital, Rm 775A, 600 University Avenue, Toronto, Ontario, Canada
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Singh B, Lim D, Cigudosa JC, Rao PH, Ghossein R, Poluri A, Wreesmann V, Shaha A, Shah JP. Screening for genetic aberrations in papillary thyroid cancer using comparative genomic hybridization. Br J Surg 2002. [DOI: 10.1046/j.1365-2168.2000.01601-3.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Abstract
Background
Papillary thyroid carcinomas (PTCs) are a heterogenous group of neoplasms that display a wide variability in clinical behaviour. Knowledge of the genetic composition of these tumours may help improve prognostication, but is currently limited. The aim of this study was to identify the genetic composition of pathologically low-risk papillary thyroid cancers and identify differences based on age, using a powerful, genome-wide analytical technique, comparative genomic hybridization (CGH).
Methods
Tumour samples from patients with pathologically confirmed well differentiated PTC, less than 4 cm in size and without extrathyroidal extension or distant metastasis, were procured from the institutional tumour bank. CGH analysis was performed by differentially labelling tumour and normal DNA with fluorescent agents. The labelled DNAs were coprecipitated and simultaneously hybridized to normal metaphase chromosomes on glass slides. After chromosomal segregation, computerized image analysis was performed to detect fluorochrome intensity along the entire length of each chromosome. The ratio of fluorescent signal intensity was used to identify the presence of genetic abnormalities. Statistical age-group comparisons of the CGH findings were performed using Fisher's exact test.
Results
Genetic abnormalities were detected in ten of 21 cases. A recurrent pattern of aberrations was identified, involving losses at chromosomes 1p, 9q, 17, 19 and 22, and gains at 4, 6 and 13. The prevalence of CGH-detectable aberrations was not influenced by age, but loss of chromosome 22 was unique to patients aged less than 40 years (P = 0·05) and was associated with a higher rate of locoregional metastasis (19 versus 80 per cent; P = 0·02).
Conclusion
Two distinct patterns of genetic composition were observed in PTC. One group had no detectable abnormalities, while the other had a recurrent pattern of gains and losses that localized to identical chromosomal loci. Although a divergent pattern of involvement was seen in younger patients, the direct clinical significance of this finding needs to be elucidated. Moreover, the identified pattern of alterations suggests that novel oncologically consequential genes are present within the involved loci. Molecular cloning of the genes at each of these sites is warranted.
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Affiliation(s)
- B Singh
- Head and Neck Service, Memorial Sloan-Kettering Cancer Centre, New York, USA
| | - D Lim
- Head and Neck Service, Memorial Sloan-Kettering Cancer Centre, New York, USA
| | - J C Cigudosa
- Head and Neck Service, Memorial Sloan-Kettering Cancer Centre, New York, USA
| | - P H Rao
- Head and Neck Service, Memorial Sloan-Kettering Cancer Centre, New York, USA
| | - R Ghossein
- Head and Neck Service, Memorial Sloan-Kettering Cancer Centre, New York, USA
| | - A Poluri
- Head and Neck Service, Memorial Sloan-Kettering Cancer Centre, New York, USA
| | - V Wreesmann
- Head and Neck Service, Memorial Sloan-Kettering Cancer Centre, New York, USA
| | - A Shaha
- Head and Neck Service, Memorial Sloan-Kettering Cancer Centre, New York, USA
| | - J P Shah
- Head and Neck Service, Memorial Sloan-Kettering Cancer Centre, New York, USA
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Wong RJ, Lin DT, Schöder H, Patel SG, Gonen M, Wolden S, Pfister DG, Shah JP, Larson SM, Kraus DH. Diagnostic and prognostic value of [(18)F]fluorodeoxyglucose positron emission tomography for recurrent head and neck squamous cell carcinoma. J Clin Oncol 2002; 20:4199-208. [PMID: 12377963 DOI: 10.1200/jco.2002.02.590] [Citation(s) in RCA: 256] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
PURPOSE Patients with recurrent head and neck squamous cell carcinoma (HNSCC) present a diagnostic and therapeutic challenge. We evaluated the diagnostic accuracy and prognostic value of [(18)F]fluorodeoxyglucose positron emission tomography (PET) in this patient population. PATIENTS AND METHODS We performed a retrospective review of 143 patients with previously treated HNSCC who underwent 181 PET scans at our institution from May 1996 through April 2001 to detect recurrent disease. Disease recurrence within 6 months was used as the gold standard for assessing true disease status at PET. RESULTS With equivocal sites considered positive, the sensitivity and specificity of PET for detecting recurrence overall were 96% and 72%, respectively. PET was highly sensitive and specific at regional and distant sites. At local sites, sensitivity was high, but specificity was lower because of false-positive findings. One fifth of all false-positive PET scans occurred at sites of known inflammation or infection. The area under the curve for a receiver operator characteristic curve on the basis of standardized uptake value (SUV) was 0.882 +/- 0.025. PET interpretation, SUV, and physical examination were independent predictors of relapse-free and overall survival in a time-dependent, multivariate proportional hazards model. An increase in SUV by one unit increased the relative risk (RR) of relapse by 11% and the RR of death by 14%. A positive PET interpretation increased the RR of relapse by four-fold and the RR of death by seven-fold. CONCLUSION PET was a highly sensitive method of detecting recurrent HNSCC and provided important prognostic information for relapse-free and overall survival.
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Affiliation(s)
- R J Wong
- Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, NY 10021, USA
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Lydiatt WM, Shah JP, Hoffman HT. AJCC stage groupings for head and neck cancer: should we look at alternatives? A report of the Head and Neck Sites Task Force. Head Neck 2001; 23:607-12. [PMID: 11443742 DOI: 10.1002/hed.1086] [Citation(s) in RCA: 37] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Affiliation(s)
- W M Lydiatt
- Department of Otolaryngology/Head and Neck Surgery, University of Nebraska Medical Center, 981225 Nebraska Medical Center, Omaha, Nebraska, USA
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Abstract
BACKGROUND The prognosis of patients with advanced or recurrent head and neck squamous cell carcinoma remains poor despite refinements in multimodality therapies. This study evaluates the efficacy of a replication-competent, attenuated, oncolytic herpes simplex virus, NV1020, as a novel agent in the treatment of human head and neck squamous cell carcinoma (HNSCC). STUDY DESIGN Five different HNSCC lines were exposed to NV1020 in vitro at varying viral concentrations. The ability of the virus to lyse and replicate within these cancer cells in vitro was determined by cytotoxicity assay and plaque assay, respectively. Three HNSCC lines were grown in the subcutaneous flanks of athymic nude mice and treated with an intratumoral injection of NV1020 or saline as a control. Tumor dimensions were subsequently measured at serial time points and tumor volumes were calculated. Herpes simplex virus (HSV)-1 immunohistochemistry was performed on excised tumors to determine the efficacy of in vivo tumor infection by NV1020. RESULTS NV1020 was highly cytotoxic in vitro to all five human HNSCC lines at a concentration of one infectious viral particle per cancer cell, and had variable cytotoxicity at a 100-fold lower concentration. Viral replication in vitro by NV1020 was efficient in four of five HNSCC lines with a greater than 200-fold increase in viral titers. Flank tumors treated with intratumoral injections of NV1020 resulted in significant regression of all tested HNSCC lines. HSV-1 immunohistochemistry of excised flank tumors treated with NV1020 demonstrated positive cytoplasmic staining and areas of tumor necrosis at 24 hours after injection. CONCLUSIONS NV1020 is an oncolytic HSV that displays efficient replication and oncolysis in human HNSCC lines in vitro. Injection of NV1020 into murine flank tumors demonstrated effective tumor regression. Treatment of HNSCC with NV1020 is a promising form of therapy with potential clinical applicability in humans.
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Affiliation(s)
- R J Wong
- Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, NY 10021, USA
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Singh B, Gogineni SK, Sacks PG, Shaha AR, Shah JP, Stoffel A, Rao PH. Molecular cytogenetic characterization of head and neck squamous cell carcinoma and refinement of 3q amplification. Cancer Res 2001; 61:4506-13. [PMID: 11389082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/20/2023]
Abstract
We applied a combination of molecular cytogenetic methods, including comparative genomic hybridization (CGH), spectral karyotyping (SKY), and fluorescence in situ hybridization, to characterize the genetic aberrations in a panel of 11 cell lines derived from head and neck squamous cell carcinoma and 1 cell line derived from premalignant oral epithelium. CGH identified recurrent chromosomal losses at 1p, 3p, 4, 8p, 10p, and 18q; gains at 3q, 5p, 8q, 9q, and 14q; and high-level amplification at 3q13, 3q25-q26, 5q22-q23, 7q21, 8q24, 11q13-q14, 12p13, 14q24, and 20q13.1. Several recurrent translocations including t(1;13)(q10;q10), t(13;13)(q10;q10), t(14;14)(q10;q10), i(8)(q10), and i(9)(q10) and breakpoint clusters at 1p11, 1q21, 3p11, 5q11, 5q13, 6q23, 8p11, 8q11, 9p13, 9q13, 10q11, 11q13, 13q10, 14q10, and 15q10 were identified by SKY. There was a good correlation between the number of aberrations identified by CGH and SKY (r = 0.69), and the analyses were both confirmatory and complementary in their assessment of genetic aberrations. Amplification at 3q26-q27 was identified in 42% of cases. Although SKY defined the derivation of 3q gain, the precise breakpoint remained unassigned. Positional cloning efforts directed at the amplified region at 3q26-q27 identified three highly overlapping nonchimeric yeast artificial chromosome clones containing the apex of amplification. The use of these yeast artificial chromosome clones as a probe for fluorescence in situ hybridization analysis allowed a detailed characterization and quantification of the 3q amplification and refinement of unassigned SKY breakpoints.
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Affiliation(s)
- B Singh
- Laboratory of Epithelial Cancer Biology, Head and Neck Service, Memorial Sloan-Kettering Cancer Center, New York, NY 10021, USA.
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Stojadinovic A, Ghossein RA, Hoos A, Urist MJ, Spiro RH, Shah JP, Brennan MF, Shaha AR, Singh B. Hürthle cell carcinoma: a critical histopathologic appraisal. J Clin Oncol 2001; 19:2616-25. [PMID: 11352953 DOI: 10.1200/jco.2001.19.10.2616] [Citation(s) in RCA: 80] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
PURPOSE Controversy exists over the ability of morphology to predict the biologic behavior of Hürthle cell carcinoma. The aim of this study was to conduct a critical histopathologic review of Hürthle cell carcinoma and to correlate morphologic parameters with clinical outcome. PATIENTS AND METHODS Patients with histologically confirmed Hürthle cell carcinoma treated between 1940 and 2000 form the basis of this study. Adenomas were excluded. Tumors of unknown malignant behavior ([UMB] n = 17) had solid growth pattern, incomplete capsular invasion (Ci), or both but no vascular invasion (Vi). Minimally invasive carcinomas ([MIC] n = 23) had one focus of intra- or extracapsular Vi, one focus of complete Ci, or both. Widely invasive carcinomas ([WIC] n = 33) demonstrated more than one focus of Vi, more than one focus of Ci, or both. The primary end points were relapse-free survival (RFS) and disease-specific survival (DSS). Rates of recurrence/death were estimated by Kaplan-Meier method. The univariate influence of prognostic factors on end points was analyzed by log-rank test, and multivariate analysis was performed by Cox regression. RESULTS Median follow-up was 8 years. No patients with UMB or MIC relapsed or died of disease. Of WIC, 73% relapsed and 55% died of disease. Age, size, and extent of resection did not influence outcome. Adverse predictors of RFS and DSS among WIC were extrathyroidal extension, nodal metastasis, positive margin, and solid growth pattern (P <.05). Both Ci and Vi were associated with worse DSS (P <.05). On multivariate analysis, extrathyroidal extension and nodal metastases were independent predictors of outcome (P <.05). CONCLUSION Patients with Hürthle cell carcinoma have a prognosis that is predicted by well-defined histomorphologic characteristics. Unlike differentiated thyroid cancer, nodal metastases predict a worse outcome in widely invasive Hürthle cell carcinoma, as does extrathyroidal extension.
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Affiliation(s)
- A Stojadinovic
- Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, NY 10021, USA
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Shah JP, Midkiff P, Brandt PC, Sisken BF. Growth and differentiation of PC6 cells: the effects of pulsed electromagnetic fields (PEMF). Bioelectromagnetics 2001; 22:267-71. [PMID: 11298388 DOI: 10.1002/bem.49] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Previous studies in our laboratory showed that neurite outgrowth in vitro and nerve regeneration in vivo were stimulated by 2 Hz, 0.3 mT (3 G) pulsed electromagnetic fields (PEMF). To learn more about the effects of PEMF on nerve cells, we exposed PC6 cells, a standard neuronal-like cell model, to the same pulsed electromagnetic fields for 2 h/day for 2 days and asked whether two different cell processes, proliferation and differentiation, were affected. The cells were also treated with a differentiating agent, nerve growth factor (NGF), to further define any interactive effects. We found that proliferation was unaffected by either PEMF or NGF alone or in combination. Differentiation, expressed as neurite outgrowth, was strongly upregulated with NGF, but this NGF response was significantly depressed in cells treated with PEMF.
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Affiliation(s)
- J P Shah
- Center for Biomedical Engineering and Department of Anatomy and Neurobiology, University of Kentucky, Lexington 40506-0070, USA
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Wolden SL, Zelefsky MJ, Kraus DH, Rosenzweig KE, Chong LM, Shaha AR, Zhang H, Harrison LB, Shah JP, Pfister DG. Accelerated concomitant boost radiotherapy and chemotherapy for advanced nasopharyngeal carcinoma. J Clin Oncol 2001; 19:1105-10. [PMID: 11181675 DOI: 10.1200/jco.2001.19.4.1105] [Citation(s) in RCA: 61] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
PURPOSE To evaluate the feasibility and efficacy of concomitant boost radiotherapy (RT) plus cisplatin-based chemotherapy compared with standard fractionation RT for patients with advanced nasopharyngeal cancer. PATIENTS AND METHODS From 1988 through 1999, 50 patients with American Joint Committee on Cancer stage II-IVb nasopharyngeal carcinoma were treated with 70-Gy concomitant boost RT (1.8 Gy/d, weeks 1 through 6; 1.6 Gy second daily fraction, weeks 5 through 6) and two cycles of concurrent cisplatin 100 mg/m(2) days 1 and 22. Thirty-seven patients also received three cycles of cisplatin-based adjuvant chemotherapy. These 50 patients were compared with a nonrandomized cohort of 51 patients with nasopharyngeal cancer treated with 70-Gy standard fractionation RT (1.8 Gy/d) without chemotherapy from 1988 through 1995. The groups were well matched for prognostic factors except stage, for which the concomitant boost RT/chemotherapy group was more advanced (54%, T3-4; 54%, N2-3; 44%, stage IV) compared with the standard RT group (31%, T3-4, P =.03; 22%, N2-3, P <.001; 20%, stage IV, P <.01). RESULTS With a median follow-up of 42 months (range, 12 to 129 months), the 3-year actuarial local control, progression-free survival, and survival rates were 89% v 74% (P <.01), 66% v 54% (P =.01), and 84% v 71% (P =.04) for the concomitant boost RT/chemotherapy group and the standard RT patients, respectively. Acute grade 3 mucositis was more prevalent with combined therapy, 84% v 43% (P <.001), resulting in a higher rate of temporary gastrostomy tube placement, 46% v 20% (P <.01). CONCLUSION Concomitant boost RT with cisplatin-based chemotherapy is feasible and improves local-regional control as well as survival for patients with advanced nasopharyngeal cancer compared with standard RT alone.
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Affiliation(s)
- S L Wolden
- Department of Radiation Oncology, Memorial Sloan-Kettering Cancer Center, New York, NY 10021, USA.
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Wong RJ, Patel SG, Kim S, DeMatteo RP, Malhotra S, Bennett JJ, St-Louis M, Shah JP, Johnson PA, Fong Y. Cytokine gene transfer enhances herpes oncolytic therapy in murine squamous cell carcinoma. Hum Gene Ther 2001; 12:253-65. [PMID: 11177562 DOI: 10.1089/10430340150218396] [Citation(s) in RCA: 108] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Replication-competent, attenuated herpes simplex viruses (HSV) have been demonstrated to be effective oncolytic agents in a variety of malignant tumors. Cytokine gene transfer has also been used as immunomodulatory therapy for cancer. To test the utility of combining these two approaches, two oncolytic HSV vectors (NV1034 and NV1042) were designed to express the murine GM-CSF and murine IL-12 genes, respectively. These cytokine-carrying variants were compared with the analogous non-cytokine-carrying control virus (NV1023) in the treatment of murine SCC VII squamous cell carcinoma. All three viruses demonstrated similar infection efficiency, viral replication, and cytotoxicity in vitro. SCC VII cells infected by NV1034 and NV1042 effectively produced GM-CSF and IL-12, respectively. In an SCC VII subcutaneous flank tumor model in immunocompetent C3H/HeJ mice, intratumoral injection with each virus caused a significant reduction in tumor volume compared with saline injections. The NV1042-treated tumors showed a striking reduction in tumor volume compared with the NV1023- and NV1034-treated tumors. On subsequent rechallenge in the contralateral flank with SCC VII cells, 57% of animals treated with NV1042 failed to develop tumors, in comparison with 14% of animals treated with NV1023 or NV1034, and 0% of naive animals. The increased antitumor efficacy seen with NV1042 in comparison with NV1023 and NV1034 was abrogated by CD4(+) and CD8(+) lymphocyte depletion. NV1042 is a novel, attenuated, oncolytic herpesvirus that effectively expresses IL-12 and elicits a T lymphocyte-mediated antitumor immune response against murine squamous cell carcinoma. Such combined oncolytic and immunomodulatory strategies hold promise in the treatment of cancer.
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Affiliation(s)
- R J Wong
- Head and Neck Division, Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, NY 10021, USA
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Affiliation(s)
- S G Patel
- Head and Neck Service, Memorial Sloan-Kettering Cancer Center, 1275 York Ave, New York, NY 10021, USA
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Abstract
BACKGROUND Desmoid tumors are are, nonmalignant neoplasms that show locally aggressive growth but lack the potential to metastasize. Common anatomic sites include the extremity, abdominal wall, and mesentery. Little is reported about clinical features and outcome of desmoid tumors of the head and neck. METHODS Twenty-one patients with desmoid tumors of the head and neck treated at MSKCC between July 1982 and June 1999 were identified from our inpatient tumor database. All patients underwent surgical resection and were prospectively followed. Clinicopathologic features and treatment modalities were evaluated. RESULTS Patient age at diagnosis was 22 to 76 years, with a female-male ratio of 16:5. Most tumors were located in the supraclavicular fossa or the muscles of the neck (n = 19). Patients most commonly had a painless mass (n = 13) or neurologic symptoms including pain or neurologic deficit (n = 8). Extent of resection was limited to the tumor in nine patients. In the other 12, structures including the accessory or phrenic nerve, parts of the brachial plexus, or bony structures were resected. Persistent neurologic or functional deficits after surgery were noted in 12 patients. Five of 21 patients had recurrences (24%). Eleven patients received radiation therapy. In this small population, no obvious benefit for patients receiving radiation vs patients who were not irradiated, regardless of their surgical margin status, was seen. Treatment for recurrence was re-resection or re-resection plus radiation. Eighteen patients remained free of disease after treatment, two patient have stable disease and one died of other causes. No patients died of their disease. CONCLUSIONS Desmoid tumors of the head and neck are rare, fibrous neoplasms with a good prognosis but significant morbidity. Function-preserving surgery should be a primary goal to minimize morbidity. In this small group of patients, the benefits of radiation therapy in patients with positive margins could not be clearly demonstrated and should be balanced against radiation-related morbidity.
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Affiliation(s)
- A Hoos
- Head and Neck Service and Gastric and Mixed Tumor Service, Department of Surgery, Memorial Sloan-Kettering Cancer Center, 1275 York Ave., New York, New York 10021, USA
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Singh B, Lim D, Cigudosa JC, Ghossein R, Shaha AR, Poluri A, Wreesmann VB, Tuttle M, Shah JP, Rao PH. Screening for genetic aberrations in papillary thyroid cancer by using comparative genomic hybridization. Surgery 2000; 128:888-93;discussion 893-4. [PMID: 11114620 DOI: 10.1067/msy.2000.110847] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
BACKGROUND Determination of the genetic composition of papillary thyroid cancers may help explain differences in observed clinical behavior. Comparative genomic hybridization (CGH) is a novel molecular cytogenetic assay that allows simultaneous detection of gains, losses, and amplification of genetic information, making it an ideal screening tool. The aim of this study was to identify genetic aberrations occurring in papillary thyroid cancers by using CGH analysis. METHODS CGH analysis was performed on 21 individual cases of papillary thyroid cancers. Nonparametric statistical comparisons were performed with the Fisher exact test. RESULTS Genetic abnormalities were identified by CGH in 10 of 21 cases (48%). A recurrent pattern of aberrations was seen in cases where genetic changes were detected, involving losses at chromosome arms 1p and 9q and chromosomes 17, 19, and 22, and gains at chromosome 4 and chromosome arms 5q, 6q, 9q, and 13q. The loss of chromosome 22 was unique to younger patients (P =.05) and was associated with a higher rate of regional lymphatic metastasis (19% vs 80%, P =.02). CONCLUSIONS Two genetically unique groups of patients were identified by using CGH analysis. One group had no detectable aberrations; the other had a recurrent pattern of aberrations, localizing to the identical chromosomal loci. This pattern of aberrations suggests that the involved loci may contain genes important in thyroid carcinogenesis. The clinical significance of the presence of copy number changes detected by CGH needs to be determined. In addition, molecular cloning of involved genes in each of the aberrations is warranted.
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Affiliation(s)
- B Singh
- Head and Neck Service, Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, NY 10021, USA
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Pfister DG, Ang K, Brockstein B, Colevas AD, Ellenhorn J, Goepfert H, Hicks WL, Hong WK, Kies MS, Lydiatt W, McCaffrey T, Mittal BB, Ridge JA, Schuller DE, Shah JP, Spencer S, Trotti A, Urba S, Weymuller EA, Wheeler RH, Wolf GT. NCCN Practice Guidelines for Head and Neck Cancers. Oncology (Williston Park) 2000; 14:163-94. [PMID: 11195409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
Affiliation(s)
- D G Pfister
- Memorial Sloan-Kettering Cancer Center, New York, New York, USA
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Abstract
BACKGROUND Dermatofibrosarcoma protuberans (DFSP) of the head and neck is a rare, locally infiltrative, low-grade sarcoma. This study defines the clinical behavior of DFSP, evaluates the role of frozen section analysis, and identifies factors that predict local control. METHODS Hospital records and pathological slides were reviewed for 33 patients with pathologically confirmed head and neck DFSP treated at Memorial Sloan-Kettering Cancer Center between 1964 and 1999. Factors were analyzed by using Fisher's exact or chi2 tests. RESULTS For 21 primary and 12 recurrent patients, median age and tumor size at presentation was 39 years and 2.0 cm, respectively. Thirty-two (97%) patients were alive at a median follow-up of 82 months. Three patients recurred locally, all with smaller than 2-cm resection margins. Deep tumors were more likely to have a margin-positive resection than superficial lesions (P = .03). Gross margin 2 cm or more was a significant predictor of a negative histological margin (P<.001). There was a trend toward improved recurrence-free survival for tumors treated with wide (> or =2 cm) margin resection (P = .059). Accuracy, sensitivity, specificity, and false negative rates of frozen section were 80%, 43%, 100%, and 57%, respectively. CONCLUSIONS Wide margin resection of head and neck DFSP predicts negative histological margins and impacts favorably on local recurrence-free survival. Frozen section analysis does not assess resection margins accurately.
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Affiliation(s)
- A Stojadinovic
- Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, New York 10021, USA
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Abstract
OBJECTIVE/HYPOTHESIS Basaloid squamous cell carcinoma (BSCC), an uncommon tumor with predilection for the upper aerodigestive tract, is a distinct variant of squamous carcinoma, because of its unique histological features and ominous clinical behavior. This study reviews the experience in treating BSCC from two institutions. STUDY DESIGN Retrospective. METHODS H&E-stained sections from 20 patients with BSCC of the head and neck were reviewed and clinical follow-up was obtained for all patients. RESULTS The study group consisted of 14 male and 6 female patients. Their ages ranged from 43 to 85 years, with a mean age of 62 years. Sites of origin included the larynx (4), tongue (3), pyriform sinus (3), nose (2), floor of mouth (2), mastoid (1), tonsil (1), epiglottis (1), nasopharynx (1), trachea (1), and palate (1). Pain was the most common presenting symptom (5 cases), followed by hoarseness and bleeding (3 cases each). Tobacco and alcohol abuse was noted in 17 patients. Treatment modalities included surgery with or without chemotherapy or radiotherapy in 13 patients, chemotherapy with irradiation in 2, chemotherapy alone in 2, and radiotherapy alone in 3. Clinical follow-up revealed no evidence of disease in 11 patients. Four were alive with disease at the time of writing and five died of disease. CONCLUSION BSCC is a highly aggressive malignant tumor that presents in elderly patients who have a history of abuse of tobacco or alcohol, or both. Greater number of patients must be studied and compared with age-matched and stage-matched controls of conventional squamous cell carcinoma to determine whether the poor clinical outcome is related more to high-stage presentation or to the tumor's high-grade malignant cytological features.
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Affiliation(s)
- A F Paulino
- Department of Pathology, University of Michigan Hospitals, Ann Arbor 48109, USA
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Kim SH, Carew JF, Kooby DA, Shields J, Entwisle C, Patel S, Shah JP, Fong Y. Combination gene therapy using multiple immunomodulatory genes transferred by a defective infectious single-cycle herpes virus in squamous cell cancer. Cancer Gene Ther 2000; 7:1279-85. [PMID: 11023201 DOI: 10.1038/sj.cgt.7700231] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Herpes simplex type 2-defective infectious single-cycle (DISC) viruses are attenuated viruses that were originally produced as viral vaccines; however, these viruses are also efficient gene transfer vehicles. The main goals of this study were to examine determinants of the gene transfer by using DISC virus for squamous cancer and to evaluate the antitumoral efficacy of vaccination with tumor cells modified by DISC viruses carrying a combination of immunomodulatory genes (interleukin-2 (IL-2), granulocyte-macrophage colony-stimulating factor (GM-CSF), B7-1) in a model of squamous cell cancer (SCCVII) in C3H/HeJ mice. SCCVII cells transduced by DISC viruses (multiplicity of infection of 10) carrying the IL-2 or GM-CSF gene produced nanogram quantities of IL-2 or GM-CSF per 10(6) cells. Irradiated (5,000 cGy, 10,000 cGy) cells secreted levels of GM-CSF or IL-2 that were comparable with nonirradiated cells. In vivo vaccination using tumor cells transduced ex vivo with DISC-IL2 or DISC-GMCSF resulted in protection against subsequent tumor challenge (P < .01), with DISC-GMCSF-transduced, irradiated tumor cells showing the greatest effects (P < .001). Marked growth arrest also was noted in established tumors after direct injection of DISC-GMCSF (P < .001). These data demonstrate that (a) DISC virus is capable of efficient gene transfer, (b) GM-CSF-secreting genetically modified tumor vaccine protects against tumor cell challenge and suppresses tumor growth, and (c) intratumoral injection of DISC-GMCSF significantly suppresses the growth of established tumors. These results not only confirm clinically relevant gene transfer but also demonstrate that the gene transfer is an effective anti-cancer therapy.
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Affiliation(s)
- S H Kim
- Department of Otorhinolaryngology, Yonsei University College of Medicine, Seoul, Korea
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Abstract
INTRODUCTION Radiation therapy is an integral part of the treatment of head and neck cancer. Factors predicting radiation response are ill defined. The aim of this study was to identify genetic aberrations associated with radiation response in cell lines derived from head and neck squamous cell carcinomas (HNSCC) using comparative genomic hybridization (CGH) for genome-wide screening. METHODS Five cell lines derived from HNSCC were subjected to a single course of radiation (400 cGy) in parallel with a similarly handled, untreated control. Cellular response to radiation was determined on posttreatment days 1, 2, 3, 4, and 5 using a cell viability assay (MTT assay). Radiation response was defined as 35% or greater decrease in cell survival relative to control. Tumor doubling time was determined by cell counts performed at day 0 and 1 for each cell line. All experiments were done in quadruplicate. CGH analysis was performed by differentially labeling DNA from tumor and normal tissue with fluorescent agents. The labeled DNAs were simultaneously hybridized to normal metaphase chromosomes. Image analysis for fluorescence intensity along the entire length of each metaphase chromosome allowed generation of a color ratio, which was used to detect copy number changes. RESULTS Radioresistance was identified in two of five cell lines. The tumor doubling time was not a predictor of radiation response. CGH identified a complex pattern of aberrations, with gain of 3q common to all cell lines. The number of genetic aberration was higher in radiation-sensitive cell lines than in radiation-resistant ones. No recurrent aberrations were unique to the radiation-resistant cell lines. Recurrent gains at 7p and 17q and losses at 5q, 7q, and 18q were unique to the radiation-sensitive cell lines. CONCLUSIONS The number of aberrations identified by CGH analysis may be a predictor of radiation response. A large study of primary tumors is warranted to confirm this association and identify specific genetic aberrations associated with radiation response.
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Affiliation(s)
- B Singh
- Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, New York 10021, USA.
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Affiliation(s)
- J Califano
- Head and Neck Division, Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, New York
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Shah JP. Craniofacial surgery for malignant tumors of the paranasal sinuses. Otolaryngol Pol 2000; 54:13-5. [PMID: 10822961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Affiliation(s)
- J P Shah
- Head and Neck Service, Cornell University Medical College, Memorial Sloan-Kettering Cancer Center, New York, USA
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Hundahl SA, Cady B, Cunningham MP, Mazzaferri E, McKee RF, Rosai J, Shah JP, Fremgen AM, Stewart AK, Hölzer S. Initial results from a prospective cohort study of 5583 cases of thyroid carcinoma treated in the united states during 1996. U.S. and German Thyroid Cancer Study Group. An American College of Surgeons Commission on Cancer Patient Care Evaluation study. Cancer 2000; 89:202-17. [PMID: 10897019 DOI: 10.1002/1097-0142(20000701)89:1<202::aid-cncr27>3.0.co;2-a] [Citation(s) in RCA: 308] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
BACKGROUND The American College of Surgeons Commission on Cancer (CoC) has conducted national Patient Care Evaluation (PCE) studies since 1976. METHODS Over 1500 hospitals with CoC-approved cancer programs were invited to participate in this prospective cohort study of U.S. thyroid carcinoma cases treated in 1996. Follow-up will be conducted through the National Cancer Data Base. RESULTS Of the 5584 cases of thyroid carcinoma, 81% were papillary, 10% follicular, 3.6% Hürthle cell, 0.5% familial medullary, 2.7% sporadic medullary, and 1.7% undifferentiated/anaplastic. Demographics and suspected risk factors were analyzed. Fine-needle aspiration of the thyroid gland (53%) or a neck lymph node (7%), thyroid nuclear scan (39%), and ultrasound (38%) constituted the most frequently utilized diagnostic modalities. The vast majority of patients with differentiated thyroid carcinoma presented with American Joint Committee on Cancer Stage I and II disease and relatively small tumors. For all histologies, near-total or total thyroidectomy constituted the dominant surgical treatment. No lymph nodes were examined in a substantial proportion of cases. Residual tumor after the surgical event could be documented in 11% of cases, hypocalcemia in 10% of cases, and recurrent laryngeal nerve injury in 1.3% of cases. Complications were most frequently associated with total thyroidectomy combined with lymph node dissection. Thirty-day mortality was 0.3%; when undifferentiated/anaplastic cancer cases were eliminated, it decreased to 0.2%. Adjuvant treatment, probably underreported in this study, consisted of hormonal suppression (50% overall) and radioiodine (50% overall). CONCLUSIONS In addition to offering information concerning risk factors and symptoms, the current PCE study compliments the survival information from previous NCDB reports and offers a surveillance snapshot of current management of thyroid carcinoma in the U.S. Identified opportunities for improvement of care include 1) more frequent use of fine-needle aspiration cytology in making a diagnosis; 2) more frequent use of laryngoscopy in evaluating patients preoperatively, especially those with voice change; and 3) improved lymph node resection and analysis to improve staging and, in some situations, outcomes.
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Affiliation(s)
- S A Hundahl
- Queen's Cancer Institute, Honolulu, Hawaii, USA
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Mestre JR, Chan G, Zhang F, Yang EK, Sacks PG, Boyle JO, Shah JP, Edelstein D, Subbaramaiah K, Dannenberg AJ. Inhibition of cyclooxygenase-2 expression. An approach to preventing head and neck cancer. Ann N Y Acad Sci 2000; 889:62-71. [PMID: 10668483 DOI: 10.1111/j.1749-6632.1999.tb08724.x] [Citation(s) in RCA: 76] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
Cyclooxygenase (COX) catalyzes the formation of prostaglandins (PG) from arachidonic acid. A large body of evidence has accumulated to suggest that COX-2, the inducible form of COX, is important in carcinogenesis. In this study, we determined whether (1) COX-2 was overexpressed in squamous cell carcinoma of the head and neck (HNSCC) and whether (2) retinoids, a class of chemopreventive agents, blocked epidermal growth factor (EGF)-mediated activation of COX-2 expression. Levels of COX-2 mRNA were determined in 15 cases of HNSCC and 10 cases of normal oral mucosa. Nearly a 100-fold increase in amounts of COX-2 mRNA was detected in HNSCC. By immunoblot analysis, COX-2 protein was detected in 6 of 6 cases of HNSCC but was undetectable in normal mucosa. Because retinoids protect against oral cavity cancer, we investigated whether retinoids could suppress EGF-mediated induction of COX-2 in cultured oral squamous carcinoma cells. Treatment with EGF led to increased levels of COX-2 mRNA, COX-2 protein, and synthesis of PG. These effects were suppressed by a variety of retinoids. Based on the results of this study, it will be important to establish whether newly developed selective COX-2 inhibitors are useful in preventing or treating HNSCC. Moreover, the anticancer properties of retinoids may be due, in part, to inhibition of COX-2 expression. Combining a retinoid with a selective COX-2 inhibitor may be more effective than either agent alone in preventing cancer of the upper aerodigestive tract.
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Affiliation(s)
- J R Mestre
- Anne Fisher Nutrition Center, Strang Cancer Prevention Center, New York, New York, USA
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Abstract
Squamous carcinoma is the most common malignancy of the head and neck, but it rarely occurs in the nasal vestibule. Epstein-Barr virus (EBV) has been detected in and is causally linked to various head and neck tumors, particularly nasopharyngeal carcinoma. The possible role of EBV in squamous carcinoma of the anterior nasal cavity, particularly of the nasal vestibule, has not been previously investigated. Histologic sections from 17 patients with nasal vestibular squamous carcinoma were examined. Material for EBV detection by immunohistochemistry and by in situ hybridization was available in 15 of the 17 cases. The study group consisted of eight men and nine women ranging in age from 40 to 82 years (mean age, 64 years). None of the patients was of Asian descent. The squamous carcinomas were graded as well differentiated (one case), moderately differentiated (11 cases), and poorly differentiated (five cases). Fourteen patients were smokers; the history of smoking ranged from 20 to 60 pack-years. Treatment modalities included surgical resection, radiation, chemotherapy, or a combined approach. The clinical follow-up periods ranged from 7 months to 16 years. Three patients developed metastases, one of whom died of disease after 1 year. Epstein-Barr virus was not detected in any of the 15 of 17 cases tested by either immunohistochemistry or by in situ hybridization. Squamous carcinoma of the nasal vestibule is an uncommon cancer that is not causally related to EBV.
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Affiliation(s)
- A F Paulino
- Department of Pathology, University of Michigan Hospitals, Ann Arbor, MI 48109, USA
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Shah JP. Surgery of the anterior skull base for malignant tumors. Acta Otorhinolaryngol Belg 2000; 53:191-4. [PMID: 10635391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
Craniofacial resection is one of the surgical approaches for treatment of malignant tumours near or involving the anterior skull base. The indications, preoperative evaluation, surgical procedure, reconstruction, complications and prognostic factors are discussed.
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Affiliation(s)
- J P Shah
- Head and Neck Service, Memorial Sloan-Kettering Cancer Center, New York, USA
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Singh B, Shaha AR, Trivedi H, Carew JF, Poluri A, Shah JP. Coexistent Hashimoto's thyroiditis with papillary thyroid carcinoma: impact on presentation, management, and outcome. Surgery 1999; 126:1070-6; discussion 1076-7. [PMID: 10598190 DOI: 10.1067/msy.2099.101431] [Citation(s) in RCA: 186] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
BACKGROUND This study was performed to assess the relationship between Hashimoto's thyroiditis and the development, presentation, management, and outcome of papillary thyroid carcinoma. METHODS Two complementary analytic methods were used. The clinical study was a retrospective case-control study, including patients seen with papillary thyroid carcinoma presenting during a 12-year period. We also used a systematic literature review to identify suitable reports and meta-analysis to statistically combine published results. RESULTS The prevalence of Hashimoto's thyroiditis is significantly higher in patients with papillary thyroid cancer (odds ratio, 1.89; 95% CI, 1.02-3.50). These patients typically have a dominant nodule, 44% of which are discovered incidentally on routine examinations. Fine-needle aspiration has a sensitivity of 91% for the identification of papillary cancer. The prognostic variables at the time of a diagnosis of papillary cancer and the approach to management are not altered by the presence of coexistent Hashimoto's thyroiditis. In addition, the rate of surgical complications was not higher in patients with coexistent Hashimoto's disease. Meta-analysis suggested a positive correlation between Hashimoto's disease and disease-free survival (r = 0.09; 95% CI, 0.05-0.12) and overall survival (r = 0.11; 95% CI, 0.07-0.15). CONCLUSIONS There is an increased prevalence of Hashimoto's thyroiditis in patients with papillary thyroid carcinoma. The presence of coexistent Hashimoto's thyroiditis does not affect the diagnostic evaluation or management of papillary thyroid cancers. The survival of patients who have papillary thyroid cancers may be superior in coexistent Hashimoto's thyroiditis.
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Affiliation(s)
- B Singh
- Head and Neck Service, Memorial Sloan-Kettering Cancer Center, New York, NY, USA
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Abstract
Recurrent pleomorphic adenomas (RPAs) of the parotid gland are an uncommon but challenging problem. The records of 31 patients with RPAs were reviewed to assess the clinical presentation and treatment results. More than half of these patients underwent total parotidectomy. Local control was achieved in 94% of patients at 7 years (median follow-up 7.3 years). Patients who had surgery for recurrence after a formal parotidectomy were more likely to have another recurrence (63% local control at 7 years) than patients whose initial procedure was a limited excision (100% local control at 7 years; P < 0.01). Better local control was seen in 11 patients who received postoperative irradiation (100% at 10 years) than in 20 patients who did not (71% at 10 years; P < 0.28). Adequate surgical resection yields an acceptable local control rate in patients with RPAs. Postoperative radiation therapy may improve control in patients at high risk for another recurrence.
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Affiliation(s)
- J F Carew
- Head and Neck Surgery, Department of Surgery, Memorial Sloan-Kettering Cancer Center
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