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Li Z, Ji W, Hu Q, Zhu P, Jin Y, Duan G. Current status of Merkel cell carcinoma: Epidemiology, pathogenesis and prognostic factors. Virology 2024; 599:110186. [PMID: 39098121 DOI: 10.1016/j.virol.2024.110186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2024] [Revised: 07/09/2024] [Accepted: 07/20/2024] [Indexed: 08/06/2024]
Abstract
Merkel cell carcinoma (MCC) is an extremely rare cutaneous neuroendocrine cancer, with an incidence approximately 40 times lower than that of malignant melanoma; however, its significantly inferior survival rate compared to melanoma establishes MCC as the most lethal form of skin cancer. In recent years, a substantial body of literature has demonstrated a gradual increase in the incidence of MCC. Although the two factors that contribute to MCC, ultraviolet radiation and Merkel cell polyomavirus infection, have been well established, the specific pathogenesis of this disease remains unclear. Additionally, considering the high lethality and recurrence rates of MCC, as well as the absence of specific antitumor drugs, it is crucial to elucidate the factors that can accurately predict patients' outcomes. In this review, we summarized the significant advancements in the epidemiological characteristics, pathogenesis, and the factors that influence patient prognosis of MCC to enhance clinical practices and public health efforts.
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Affiliation(s)
- Zijie Li
- Department of Epidemiology, College of Public Health, Zhengzhou University, Zhengzhou, 450001, China
| | - Wangquan Ji
- Department of Epidemiology, College of Public Health, Zhengzhou University, Zhengzhou, 450001, China
| | - Quanman Hu
- Department of Epidemiology, College of Public Health, Zhengzhou University, Zhengzhou, 450001, China
| | - Peiyu Zhu
- Department of Epidemiology, College of Public Health, Zhengzhou University, Zhengzhou, 450001, China
| | - Yuefei Jin
- Children's Hospital Affiliated to Zhengzhou University, Henan Children's Hospital, Zhengzhou Children's Hospital, Zhengzhou, 450018, China.
| | - Guangcai Duan
- Department of Epidemiology, College of Public Health, Zhengzhou University, Zhengzhou, 450001, China.
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Herrera J, Tumuluri K. Merkel Cell Carcinoma Metastases to Caruncle With Orbital Extension: Report and Literature Review. Ophthalmic Plast Reconstr Surg 2024; 40:e181-e184. [PMID: 38687345 DOI: 10.1097/iop.0000000000002697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2024]
Abstract
Merkel cell carcinoma (MCC) is an uncommon and aggressive skin cancer of neuroendocrine origin. The tumor usually presents with a locoregional spread and most frequently metastasizes to the skin, liver, bone, lung, and brain. Despite the orbit being a relatively common site of metastases, it has rarely been reported in patients with MCC. The authors present a case of biopsy-proven orbital metastatic MCC in an 86-year-old male who presented with a rapidly enlarging right caruncle/subconjunctival mass with orbital extension and a history of forearm MCC excision 3 years prior. There are only 3 reported cases of distant metastatic MCC to the orbit, all presenting as a mass originating from extraocular muscles; and no cases of caruncle involvement.
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Affiliation(s)
- Josefina Herrera
- Department of Ophthalmology, Sydney Hospital and Sydney Eye Hospital
| | - Krishna Tumuluri
- Department of Ophthalmology, Sydney Hospital and Sydney Eye Hospital
- Department of Ophthalmology, Liverpool Hospital, Sydney, NSW
- Department of Ophthalmology and Eye Health, Save Sight Institute, Central Clinical School, Discipline of Clinical Ophthalmology and Eye Health, University of Sydney
- Department of Ophthalmology, Faculty of Medicine and Health Sciences, Macquarie University, Sydney, New South Wales, Australia
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Mohsen ST, Price EL, Chan AW, Hanna TP, Limacher JJ, Nessim C, Shiers JE, Tron V, Wright FC, Drucker AM. Incidence, mortality and survival of Merkel cell carcinoma: a systematic review of population-based studies. Br J Dermatol 2024; 190:811-824. [PMID: 37874770 DOI: 10.1093/bjd/ljad404] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 09/23/2023] [Accepted: 10/16/2023] [Indexed: 10/26/2023]
Abstract
BACKGROUND Merkel cell carcinoma (MCC) is a rare, aggressive skin cancer that most commonly occurs in ultraviolet-exposed body sites. The epidemiology of MCC in different geographies and populations is not well characterized. OBJECTIVES The objective of this systematic review is to summarize evidence on the incidence, mortality and survival rates of MCC from population-based studies. METHODS We searched MEDLINE, Embase, and the Cochrane Central Register of Controlled Trials from database inception to 6 June 2023. No geographic, age or date exclusions were applied. We included population-based studies of MCC that reported the incidence, survival or mortality rate, and also considered systematic reviews. A data-charting form was created and validated to identify variables to extract. Two reviewers then independently charted the data for each included study with patient characteristics, and estimates of incidence rate, mortality rate, and survival rate and assessed the quality of included studies using the Joanna Briggs Institute Checklist for Prevalence studies, Newcastle-Ottawa Scale and Assessment of Multiple Systematic Reviews. We abstracted age-, sex-, stage- and race-stratified outcomes, and synthesized comparisons between strata narratively and using vote counting. We assessed the certainty of evidence for those comparisons using the Grading of Recommendations, Assessments, Developments and Evaluations framework. RESULTS We identified 11 472 citations, of which 52 studies from 24 countries met our inclusion criteria. Stage I and the head and neck were the most frequently reported stage and location at diagnosis. The incidence of MCC is increasing over time (high certainty), with the highest reported incidences reported in southern hemisphere countries [Australia (2.5 per 100 000); New Zealand (0.96 per 100 000) (high certainty)]. Male patients generally had higher incidence rates compared with female patients (high certainty), although there were some variations over time periods. Survival rates varied, with lower survival and/or higher mortality associated with male sex (moderate certainty), higher stage at diagnosis (moderate-to-high certainty), older age (moderate certainty), and immunosuppression (low-to-moderate certainty). CONCLUSIONS MCC is increasing in incidence and may increase further given the ageing population of many countries. The prognosis of MCC is poor, particularly for male patients, those who are immunosuppressed, and patients diagnosed at higher stages or at an older age.
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Affiliation(s)
| | | | - An-Wen Chan
- Division of Dermatology, Department of Medicine
- Women's College Research Institute and Division of Dermatology, Department of Medicine, Women's College Hospital, Toronto, ON,Canada
| | - Timothy P Hanna
- Department of Oncology, Queen's University, Kingston, ON, Canada
| | - James J Limacher
- Division of Dermatology, Department of Medicine
- Women's College Research Institute and Division of Dermatology, Department of Medicine, Women's College Hospital, Toronto, ON,Canada
| | - Carolyn Nessim
- The Ottawa Hospital & Ottawa Hospital Research Institute, Ottawa, ON, Canada
| | - Jessica E Shiers
- University of Toronto Libraries, University of Toronto, Toronto, ON, Canada
| | - Victor Tron
- University of Toronto & LifeLabs, Toronto, ON, Canada
| | | | - Aaron M Drucker
- Division of Dermatology, Department of Medicine
- Women's College Research Institute and Division of Dermatology, Department of Medicine, Women's College Hospital, Toronto, ON,Canada
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Weilandt J, Peitsch WK. Moderne Diagnostik und Therapie des Merkelzellkarzinoms. J Dtsch Dermatol Ges 2023; 21:1524-1548. [PMID: 38082520 DOI: 10.1111/ddg.15214_g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 07/21/2023] [Indexed: 12/18/2023]
Abstract
ZusammenfassungDas Merkelzellkarzinom (MCC) ist ein seltener, aggressiver Hauttumor mit epithelialer und neuroendokriner Differenzierung, dessen Inzidenz in den letzten Jahrzehnten deutlich zugenommen hat. Risikofaktoren sind fortgeschrittenes Lebensalter, heller Hauttyp, UV‐Exposition und Immunsuppression. Pathogenetisch wird ein durch das Merkelzell‐Polyomavirus (MCPyV) hervorgerufener Typ von einem UV‐induzierten Typ mit hoher Tumormutationslast unterschieden.Klinisch präsentiert sich das MCC als meist schmerzloser, schnell wachsender, rötlich‐violetter Tumor mit glänzender Oberfläche, der bevorzugt im Kopf‐Hals‐Bereich und an den distalen Extremitäten lokalisiert ist. Eine sichere Diagnose kann nur anhand histologischer und immunhistochemischer Merkmale gestellt werden. Bei Erstdiagnose weisen 20%–26% der Patienten lokoregionäre Metastasen und 8%–14% Fernmetastasen auf, weshalb eine Ausbreitungsdiagnostik unabdingbar ist. Bei fehlenden klinischen Hinweisen auf Metastasen wird eine Sentinel‐Lymphknotenbiopsie empfohlen.Wesentliche Säulen der Therapie sind die Operation, die adjuvante oder palliative Strahlentherapie und in fortgeschrittenen inoperablen Stadien die medikamentöse Tumortherapie. Die Einführung von Immuncheckpoint‐Inhibitoren führte zu einem Paradigmenwechsel, da sich hiermit ein wesentlich langfristigeres Ansprechen und bessere Überlebensraten als mit Chemotherapie erreichen lassen. Zur Therapie des metastasierten MCC ist in Deutschland der PD‐L1‐Inhibitor Avelumab zugelassen, aber auch die PD‐1‐Antikörper Pembrolizumab und Nivolumab werden mit Erfolg eingesetzt. Adjuvante und neoadjuvante Therapiekonzepte, Immunkombinationstherapien und zielgerichtete Therapien als Monotherapie oder in Kombination mit Immuncheckpoint‐Inhibitoren befinden sich in klinischer Prüfung.
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Affiliation(s)
- Juliane Weilandt
- Klinik für Dermatologie und Phlebologie, Vivantes Klinikum im Friedrichshain, Berlin, Germany
| | - Wiebke K Peitsch
- Klinik für Dermatologie und Phlebologie, Vivantes Klinikum im Friedrichshain, Berlin, Germany
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Weilandt J, Peitsch WK. Modern diagnostics and treatment of Merkel cell carcinoma. J Dtsch Dermatol Ges 2023; 21:1524-1546. [PMID: 37875785 DOI: 10.1111/ddg.15214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 07/21/2023] [Indexed: 10/26/2023]
Abstract
Merkel cell carcinoma (MCC) is a rare, aggressive skin cancer with epithelial and neuroendocrine differentiation, the incidence of which has increased substantially during the last decades. Risk factors include advanced age, fair skin type, UV exposure, and immunosuppression. Pathogenetically, a type caused by the Merkel cell polyomavirus is distinguished from a UV-induced type with a high tumor mutational burden. Clinically, MCC presents as a mostly painless, rapidly growing, reddish-violet tumor with a shiny surface, which is preferentially localized in the head-neck region and at the distal extremities. A reliable diagnosis can only be made based on histological and immunohistochemical features. At initial diagnosis, 20-26% of patients show locoregional metastases and 8-14% distant metastases, making staging examinations indispensable. If there is no clinical evidence of metastases, a sentinel lymph node biopsy is recommended. Essential columns of therapy are surgery, adjuvant or palliative radiotherapy and, in advanced inoperable stages, medicamentous tumor therapy. The introduction of immune checkpoint inhibitors has led to a paradigm shift, as they provide a considerably longer duration of response and better survival rates than chemotherapy. The PD-L1 inhibitor avelumab is approved for treatment of metastatic MCC in Germany, but the PD-1 antibodies pembrolizumab and nivolumab are also used with success. Adjuvant and neoadjuvant treatment concepts, immune combination therapies and targeted therapies as monotherapy or in combination with immune checkpoint inhibitors are in the clinical trial phase.
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Affiliation(s)
- Juliane Weilandt
- Department of Dermatology and Phlebology, Vivantes Klinikum im Friedrichshain, Berlin, Germany
| | - Wiebke K Peitsch
- Department of Dermatology and Phlebology, Vivantes Klinikum im Friedrichshain, Berlin, Germany
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Mistry K, Levell NJ, Hollestein L, Wakkee M, Nijsten T, Knott CS, Steven NM, Craig PJ, Venables ZC. Trends in incidence, treatment and survival of Merkel cell carcinoma in England 2004-2018: a cohort study. Br J Dermatol 2023; 188:228-236. [PMID: 36763882 DOI: 10.1093/bjd/ljac044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 09/30/2022] [Accepted: 10/06/2022] [Indexed: 01/22/2023]
Abstract
BACKGROUND Merkel cell carcinoma (MCC) is a rare tumour with neuroendocrine differentiation and high associated mortality. Studies that describe the epidemiology of MCC are often limited by small sample size, short duration of follow-up, absence of nationwide data and paucity of data on different risk factors. OBJECTIVES To determine the incidence, demographics and survival for MCC in England between 2004 and 2018. METHODS This national retrospective cohort study identified all cases of MCC in England from 2004 to 2018 using national population-based data from the National Disease Registration Service. Crude counts, European age-standardized incidence rates (EASRs) and joinpoint analysis were conducted. Patient demographics and treatments received were described. Multivariable Cox regression analysis was used to study risk factors for MCC-specific mortality, by including a priori defined demographic factors, tumour characteristics and immunosuppression. Treatment data were not included in the Cox regression analysis. RESULTS A total of 3775 MCC tumours were registered. The median age at diagnosis was 81 years (interquartile range 74-87). Overall, 96·6% of patients identified as White ethnicity, and 8·3% of patients were immunosuppressed. The most common site was the face (27·4%). Patients most often presented with stage one disease (22·8%); however, stage was unknown in 31·0%. In total, 80·7% of patients underwent surgical excision, 43·5% radiotherapy and 9·2% systemic therapy. The EASR increased from 0·43 per 100 000 person-years (PYs) to 0·65 per 100 000 person-years between 2004 and 2018, representing a significant annual percentage change of 3·9%. The EASR was greater in men than in women for all years, with an overall male-to-female ratio of 1·41 : 1. The highest EASR was in South West England. Five-year disease-specific survival was 65·6% [95% confidence interval (CI) 63·8-67·4], with a median follow-up of 767 days. MCC-specific mortality increased with age [hazard ratio (HR) 1·02, 95% CI 1·02-1·03], deprivation (HR 1·43, 95% CI 1·16-1·76), immunosuppression (HR 2·80, 95% CI 2·34-3·34) and stage at diagnosis (HR 8·24, 95% CI 5·84-11·6). CONCLUSIONS This study presents the largest national MCC dataset in Europe, and the most complete reporting of MCC incidence and survival ever published. With the EASR of MCC increasing and high associated mortality, this study encourages further research into the pathology, diagnosis and therapeutic options for MCC to support management guidelines.
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Affiliation(s)
- Khaylen Mistry
- Department of Dermatology, Norfolk and Norwich University Hospital, Norwich, UK.,Norwich Medical School, University of East Anglia, Norwich, UK
| | - Nick J Levell
- Department of Dermatology, Norfolk and Norwich University Hospital, Norwich, UK.,Norwich Medical School, University of East Anglia, Norwich, UK
| | - Loes Hollestein
- Erasmus MC Cancer Institute, University Medical Center, Rotterdam, the Netherlands
| | - Marlies Wakkee
- Erasmus MC Cancer Institute, University Medical Center, Rotterdam, the Netherlands
| | - Tamar Nijsten
- Erasmus MC Cancer Institute, University Medical Center, Rotterdam, the Netherlands
| | - Craig S Knott
- National Disease Registration Service, NHS Digital, Leeds, UK.,Health Data Insight CIC, Cambridge, UK
| | - Neil M Steven
- Cancer Research UK Centre, University of Birmingham, Birmingham, UK
| | - Paul J Craig
- Cellular Pathology, Gloucestershire Hospitals NHS Foundation Trust, Gloucester, UK
| | - Zoe C Venables
- Department of Dermatology, Norfolk and Norwich University Hospital, Norwich, UK.,Norwich Medical School, University of East Anglia, Norwich, UK.,National Disease Registration Service, NHS Digital, Leeds, UK
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Silling S, Kreuter A, Gambichler T, Meyer T, Stockfleth E, Wieland U. Epidemiology of Merkel Cell Polyomavirus Infection and Merkel Cell Carcinoma. Cancers (Basel) 2022; 14:6176. [PMID: 36551657 PMCID: PMC9776808 DOI: 10.3390/cancers14246176] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 12/06/2022] [Accepted: 12/10/2022] [Indexed: 12/23/2022] Open
Abstract
Merkel cell polyomavirus (MCPyV) is a ubiquitous virus replicating in human dermal fibroblasts. MCPyV DNA can be detected on healthy skin in 67−90% of various body sites, and intact virions are regularly shed from the skin. Infection occurs early in life, and seropositivity increases from 37 to 42% in 1- to 6-year-olds to 92% in adults. Merkel cell carcinoma (MCC) is a rare but very aggressive neuroendocrine tumor of the skin. It develops mainly on sun-exposed areas as a fast-growing, reddish nodule. Two MCC entities exist: about 80% of MCC are MCPyV-associated. Tumorigenesis is driven by viral integration into the host genome and MCPyV oncogene expression. In MCPyV-negative MCC, UV radiation causes extensive DNA damage leading to the deregulation of the cell cycle. In recent decades, MCC incidence rates have increased worldwide, e.g., in the United States, from 0.15 in 1986 to 0.7/100,000 in 2016. Risk factors for the development of MCC include male sex, older age (>75 years), fair skin, intense UV exposure, and immunosuppression. Projections suggest that due to aging populations, an increase in immunosuppressed patients, and enhanced UV exposure, MCC incidence rates will continue to rise. Early diagnosis and prompt treatment are crucial to reducing high MCC morbidity and mortality.
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Affiliation(s)
- Steffi Silling
- Institute of Virology, National Reference Center for Papilloma- and Polyomaviruses, Faculty of Medicine, University Hospital Cologne, 50935 Cologne, Germany
| | - Alexander Kreuter
- Department of Dermatology, Venereology and Allergology, HELIOS St. Elisabeth Hospital Oberhausen, University Witten/Herdecke, 58455 Witten, Germany
| | - Thilo Gambichler
- Skin Cancer Center, Department of Dermatology, Ruhr-University Bochum, 44791 Bochum, Germany
| | - Thomas Meyer
- Skin Cancer Center, Department of Dermatology, Ruhr-University Bochum, 44791 Bochum, Germany
| | - Eggert Stockfleth
- Skin Cancer Center, Department of Dermatology, Ruhr-University Bochum, 44791 Bochum, Germany
| | - Ulrike Wieland
- Institute of Virology, National Reference Center for Papilloma- and Polyomaviruses, Faculty of Medicine, University Hospital Cologne, 50935 Cologne, Germany
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Gualdi G, Ferrara G, Simonacci M, Fargnoli MC, Sollima L, Molinelli E, Campanati A, Mazzocchetti G, Giacchetti A, Amerio P. Defining the Profile of Patients with Primary Merkel Cell Carcinoma in Central Italy: A Retrospective Analysis. Cancers (Basel) 2022; 14:cancers14205140. [PMID: 36291924 PMCID: PMC9600113 DOI: 10.3390/cancers14205140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 10/07/2022] [Accepted: 10/12/2022] [Indexed: 11/30/2022] Open
Abstract
Simple Summary Merkel cell carcinoma is rarely suspected and often misdiagnosed in the clinical setting. Robust epidemiological data are missing, contributing to a lack of knowledge of this type of tumor among clinicians. We aimed to demographically and clinically characterize Merkel cell carcinoma patients and the tumor’s features through a multicenter real-world analysis of patients from Central Italy from 2015 to 2020. Our study revealed a higher incidence rate compared to the one estimated for the Italian population, with the lower limbs as the anatomical site affected the most. We also report that several specialists are involved in the first-line management of the pathology. In this light, a deeper knowledge of this tumor is advised. Abstract Merkel cell carcinoma (MCC) is a rare neuroendocrine skin cancer that usually occurs in elderly people on sun-exposed areas, with a predisposition to local recurrence. Evidence suggests a growing incidence over the past decade; however, robust epidemiologic data are still lacking. We describe the MCC population in clinical practice in a retrospective analysis of demographic, clinical, and tumor characteristics from medical records of primary MCC patients, between 2015 and 2020, at six dermatology clinics in Central Italy. Ninety-four patients were included (57.4% male; mean age 78.2 ± 10.1 years, range 47–99 years). The estimated incidence rate of MCC was 0.93 per 100,000 inhabitants/year. Lower limbs were the most frequently affected site (31.5%), and 54% of patients for whom information was available were immunosuppressed. Lymph node involvement was reported in 42.5% of patients, and distant metastases in almost 20%. Most patients underwent surgery for tumor excision and were mainly referred to specialized dermatology clinics by dermatologists (47.9%) and general surgeons (28.7%). Apart from the relatively balanced prevalence of MCC in men and women, the predominant location on lower limbs, and the higher incidence rate compared with previous reports in Italy, this population is, overall, similar to the populations described in other observational studies. MCC management requires the involvement of several specialties. Increased awareness of MCC and standardization of its management are urgently needed.
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Affiliation(s)
- Giulio Gualdi
- Department of Medicine and Aging Science, Dermatologic Clinic, University G. D’Annunzio, Chieti Pescara, 66100 Chieti, Italy
- Correspondence: ; Tel.: +39-085-9172420
| | - Gerardo Ferrara
- Anatomic Pathology and Cytopathology Unit, Istituto Nazionale Tumori IRCCS Fondazione ‘G. Pascale’, 80131 Naples, Italy
| | - Marco Simonacci
- Department of Dermatology, Macerata Hospital, 62100 Macerata, Italy
| | - Maria Concetta Fargnoli
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, 67100 L’Aquila, Italy
| | - Laura Sollima
- UOC Pathology, Ospedale San Salvatore, 67100 L’Aquila, Italy
| | - Elisa Molinelli
- Department of Clinical and Molecular Sciences—Dermatological Clinic, Polytechnic Marche University, 60121 Ancona, Italy
| | - Anna Campanati
- Department of Clinical and Molecular Sciences—Dermatological Clinic, Polytechnic Marche University, 60121 Ancona, Italy
| | | | | | - Paolo Amerio
- Department of Medicine and Aging Science, Dermatologic Clinic, University G. D’Annunzio, Chieti Pescara, 66100 Chieti, Italy
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Jeles K, Katona M, Csoma E. Seroprevalence of Four Polyomaviruses Linked to Dermatological Diseases: New Findings and a Comprehensive Analysis. Viruses 2022; 14:v14102282. [PMID: 36298837 PMCID: PMC9611179 DOI: 10.3390/v14102282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 10/09/2022] [Accepted: 10/11/2022] [Indexed: 11/28/2022] Open
Abstract
Our aim was to study the seroprevalence of human polyomaviruses (HPyV) linked to skin diseases. A total of 552 serum samples were analysed by the enzyme-linked immunosorbent assay to detect IgG antibodies against Merkel cell polyomavirus (MCPyV), HPyV6, HPyV7 and Trichodysplasia spinulosa-associated polyomavirus (TSPyV) using recombinant major capsid proteins of these viruses. The individuals (age 0.8−85 years, median 33) were sorted into seven age groups: <6, 6−10, 10−14, 14−21, 21−40, 40−60 and >60 years. The adulthood seroprevalence was 69.3%, 87.7%, 83.8% and 85% for MCPyV, HPyV6, HPyV7 and TSPyV, respectively. For all four polyomaviruses, there was increasing seropositivity with age until reaching the adulthood level. There was a significant increase in seroreactivity for those age groups in which the rate of already-infected individuals also showed significant differences. The adulthood seropositvity was relatively stable with ageing, except for TSPyV, for which elevated seropositivity was observed for the elderly (>60 years) age group. Since seroepidemiological data have been published with wide ranges for all the viruses studied, we performed a comprehensive analysis comparing the published age-specific seropositivities to our data. Although the cohorts, methods and even the antigens were variable among the studies, there were similar results for all studied polyomaviruses. For MCPyV, geographically distinct genotypes might exist, which might also result in the differences in the seroprevalence data. Additional studies with comparable study groups and methods are required to clarify whether there are geographical differences.
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Affiliation(s)
- Krisztina Jeles
- Doctoral School of Pharmaceutical Sciences, University of Debrecen, 4032 Debrecen, Hungary
- Department of Medical Microbiology, Faculty of Medicine, University of Debrecen, Nagyerdei krt. 98., 4032 Debrecen, Hungary
| | - Melinda Katona
- Doctoral School of Pharmaceutical Sciences, University of Debrecen, 4032 Debrecen, Hungary
- Department of Medical Microbiology, Faculty of Medicine, University of Debrecen, Nagyerdei krt. 98., 4032 Debrecen, Hungary
| | - Eszter Csoma
- Department of Medical Microbiology, Faculty of Medicine, University of Debrecen, Nagyerdei krt. 98., 4032 Debrecen, Hungary
- Correspondence:
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Diagnosis and treatment of Merkel cell carcinoma: European consensus-based interdisciplinary guideline - Update 2022. Eur J Cancer 2022; 171:203-231. [PMID: 35732101 DOI: 10.1016/j.ejca.2022.03.043] [Citation(s) in RCA: 54] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 03/17/2022] [Indexed: 11/22/2022]
Abstract
Merkel cell carcinoma (MCC) is a rare skin cancer, accounting for less than 1% of all cutaneous malignancies. It is found predominantly in white populations and risk factors include advanced age, ultraviolet exposure, male sex, immunosuppression, such as AIDS/HIV infection, haematological malignancies or solid organ transplantation, and Merkel cell polyomavirus infection. MCC is an aggressive tumour with 26% of cases presenting lymph node involvement at diagnosis and 8% with distant metastases. Five-year overall survival rates range between 48% and 63%. Two subsets of MCC have been characterised with distinct molecular pathogenetic pathways: ultraviolet-induced MCC versus virus-positive MCC, which carries a better prognosis. In both subtypes, there are alterations in the retinoblastoma protein and p53 gene structure and function. MCC typically manifests as a red nodule or plaque with fast growth, most commonly on sun exposed areas. Histopathology (small-cell neuroendocrine appearance) and immunohistochemistry (CK20 positivity and TTF-1 negativity) confirm the diagnosis. The current staging systems are the American Joint Committee on Cancer/Union for international Cancer control 8th edition. Baseline whole body imaging is encouraged to rule out regional and distant metastasis. For localised MCC, first-line treatment is surgical excision with postoperative margin assessment followed by adjuvant radiation therapy (RT). Sentinel lymph node biopsy is recommended in all patients with MCC without clinically detectable lymph nodes or distant metastasis. Adjuvant RT alone, eventually combined with complete lymph nodes dissection is proposed in case of micrometastatic nodal involvement. In case of macroscopic nodal involvement, the standard of care is complete lymph nodes dissection potentially followed by post-operative RT. Immunotherapy with anti-PD-(L)1 antibodies should be offered as first-line systemic treatment in advanced MCC. Chemotherapy can be used when patients fail to respond or are intolerant for anti-PD-(L)1 immunotherapy or clinical trials.
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Survival outcomes and epidemiology of Merkel cell carcinoma of the lower limb and hip: A Surveillance, Epidemiology, and End Results analysis 2000-2018. JAAD Int 2022; 7:13-21. [PMID: 35243404 PMCID: PMC8873923 DOI: 10.1016/j.jdin.2021.12.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/20/2021] [Indexed: 11/21/2022] Open
Abstract
Background Merkel cell carcinoma of lower limb and hip skin is a rare skin tumor that has a high recurrence rate. Objective To assess epidemiology and survival outcomes of the lower limb and hip Merkel cell carcinoma, which are less addressed in the literature. Methods The Surveillance, Epidemiology, and End Results database was searched for all cases of skin Merkel cell carcinoma between 2000 and 2018. Demographic and clinicopathologic features were compared between lower limb and other skin localizations using the t test or χ2 test. The overall survival (OS) of lower limb Merkel cell carcinoma was calculated using the Kaplan-Meier method. Subgroups were compared using the log rank test. Multivariate cox regression was used to identify independent prognostic factors. Results In total, 976 patients were identified. The mean age was 72.7 years. The median OS was 68 months, better than that of other localizations. Older age, regional lymph node, and distant metastasis were associated with low OS. Surgery with >1-cm margins, when associated with radiotherapy, had the best OS. Age, tumor size, lymph node status, presence of metastasis, and treatment sequence were identified as independent prognostic factors. Conclusion Lower limb and hip Merkel cell carcinomas have better OS than tumors in other skin localizations. In this dataset, the best OS was ensured using surgery with >1-cm margins and adjuvant radiotherapy.
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Mistry K, Levell NJ, Craig P, Steven NM, Venables ZC. Merkel cell carcinoma. SKIN HEALTH AND DISEASE 2021; 1:e55. [PMID: 35663768 PMCID: PMC9060125 DOI: 10.1002/ski2.55] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 05/25/2021] [Accepted: 06/07/2021] [Indexed: 11/10/2022]
Abstract
Merkel cell carcinoma (MCC) is a rare neuroendocrine carcinoma. The cellular origin of MCC may include Merkel cell precursors. The incidence of MCC has increased significantly however trends may have been confounded by evolving diagnostic criteria. The two key aetiologies of MCC are ultraviolet radiation and Merkel cell polyoma virus (MCPyV). Both have unique mechanisms of carcinogenesis. MCC presents non-specifically as a rapidly growing, red-to-violet nodule on sun-exposed areas. Diagnostic accuracy has improved through immunohistochemical markers such as CK-20. Lymph nodes should be evaluated in MCC through examination and sentinel biopsy. USS, CT, MRI and CT-PET may be useful in staging. Management depends on tumour location, stage and comorbidities. MCPyV status may guide treatment strategy in the future. Treatment for the primary MCC is commonly wide local excision followed by radiotherapy, guided by anatomical constraints. There is uncertainty about surgical margins. Treatments for nodal disease have not been determined through trials. They include nodal dissection or radiotherapy for clinically or radiologically apparent disease, and adjuvant nodal irradiation for negative nodes, microscopic disease or following nodal dissection for definite disease. Patients with loco-regional advanced inoperable disease should be considered for combination therapy including chemotherapy, radiotherapy, surgery and immunotherapy. Systemic therapy for advanced disease includes immune checkpoint inhibitors targeting the PD-1/PD-L1 pathway. Avelumab can improve survival in metastatic MCC. Immunotherapy may result in longer disease control. Various other immunotherapeutic and molecular agents are undergoing trials. MCC continues to have a high mortality characterized by high recurrence and early metastases.
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Affiliation(s)
- K. Mistry
- Department of DermatologyNorfolk and Norwich University HospitalNorwichUK
| | - N. J. Levell
- Department of DermatologyNorfolk and Norwich University HospitalNorwichUK
| | - P. Craig
- Department of Cellular PathologyGloucestershire Hospitals NHS Foundation TrustCheltenhamUK
| | - N. M. Steven
- Institute of Immunology and ImmunotherapyUniversity of BirminghamBirminghamUK
| | - Z. C. Venables
- Department of DermatologyNorfolk and Norwich University HospitalNorwichUK
- Public Health EnglandVictoria House Capital ParkCambridgeUK
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de Melo AC, Santos Thuler LC. Trends in the incidence and morbidity of Merkel cell carcinoma in Brazil. Future Oncol 2021; 17:2857-2865. [PMID: 33960199 DOI: 10.2217/fon-2020-1313] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Aims: The current study aims to present epidemiologic changes and clinical aspects of Merkel cell carcinoma (MCC) in Brazil. Methods: Data were collected from the Brazilian Population-Based Cancer Registries (2000-2015) and Hospital-Based Cancer Registries (2000-2017). Results: The average age-standardized incidence rates significantly increased in men between the years 2000 (0.31/1,000,000) and 2015 (1.21/1,000,000), with an annual percentage change of 9.4 (95% CI: 4.7-14.4; p < 0.001). In women, the incidence rates rose insignificantly in the period with an annual percentage change of 3.1 (95% CI: 0.0-6.2; p < 0.10). From the hospital-based database, 881 MCC patients were identified. Most of the patients were females (51.2%), aged >60 years (82.2%), White (67.6%) and diagnosed at stages III or IV (50.5%). Conclusions: A key aspect of public health promotion is to understand the incidence and morbidity of MCC.
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Affiliation(s)
- Andreia C de Melo
- Division of Clinical Research & Technological Development, Brazilian National Cancer Institute (INCA), André Cavalcanti St, 37, 5th floor Centro, Rio de Janeiro, 20231-050, Brazil
| | - Luiz C Santos Thuler
- Division of Clinical Research & Technological Development, Brazilian National Cancer Institute (INCA), André Cavalcanti St, 37, 5th floor Centro, Rio de Janeiro, 20231-050, Brazil
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Zwijnenburg EM, Lubeek SF, Werner JE, Amir AL, Weijs WL, Takes RP, Pegge SA, van Herpen CM, Adema GJ, Kaanders JHAM. Merkel Cell Carcinoma: New Trends. Cancers (Basel) 2021; 13:cancers13071614. [PMID: 33807446 PMCID: PMC8036880 DOI: 10.3390/cancers13071614] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 03/24/2021] [Accepted: 03/29/2021] [Indexed: 02/08/2023] Open
Abstract
Simple Summary In this review, we discuss a rare skin cancer that occurs mostly in elderly people called “Merkel cell carcinoma” (MCC). The incidence is increasing due to ageing of the population, increased sun exposure, and the use of medication that inhibits the immune system. Unlike most other skin cancers, MCC grows rapidly and forms metastases easily. We discuss the biology and treatment of MCC. Management should be by an experienced and multidisciplinary team, and treatment must start quickly. The standard practice of MCC treatment is surgery followed by radiotherapy. However, because it concerns an elderly and often frail population, (extensive) surgery may not always be feasible due to the associated morbidity. In those situations, radiotherapy alone is a good alternative. An important new development is immunotherapy that can cause long-lasting responses in a significant proportion of the patients with recurrent or metastatic MCC. Abstract Merkel cell carcinoma (MCC) is a rare neuroendocrine tumor of the skin mainly seen in the elderly. Its incidence is rising due to ageing of the population, increased sun exposure, and the use of immunosuppressive medication. Additionally, with the availability of specific immunohistochemical markers, MCC is easier to recognize. Typically, these tumors are rapidly progressive and behave aggressively, emphasizing the need for early detection and prompt diagnostic work-up and start of treatment. In this review, the tumor biology and immunology, current diagnostic and treatment modalities, as well as new and combined therapies for MCC, are discussed. MCC is a very immunogenic tumor which offers good prospects for immunotherapy. Given its rarity, the aggressiveness, and the frail patient population it concerns, MCC should be managed in close collaboration with an experienced multidisciplinary team.
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Affiliation(s)
- Ellen M. Zwijnenburg
- Department of Radiation Oncology, Radboudumc, 6525 GA Nijmegen, The Netherlands; (E.M.Z.); (G.J.A.)
| | - Satish F.K. Lubeek
- Department of Dermatology, Radboudumc, 6525 GA Nijmegen, The Netherlands;
| | | | - Avital L. Amir
- Department of Pathology, Radboudumc, 6525 GA Nijmegen, The Netherlands;
| | - Willem L.J. Weijs
- Department of Maxillofacial Surgery, Radboudumc 6525 GA Nijmegen, The Netherlands;
| | - Robert P. Takes
- Department of Head and Neck Surgery, Radboudumc, 6525 GA Nijmegen, The Netherlands;
| | - Sjoert A.H. Pegge
- Department of Radiology and Nuclear Medicine, Radboudumc, 6525 GA Nijmegen, The Netherlands;
| | | | - Gosse J. Adema
- Department of Radiation Oncology, Radboudumc, 6525 GA Nijmegen, The Netherlands; (E.M.Z.); (G.J.A.)
| | - Johannes H. A. M. Kaanders
- Department of Radiation Oncology, Radboudumc, 6525 GA Nijmegen, The Netherlands; (E.M.Z.); (G.J.A.)
- Correspondence: ; Tel.: +31-629-501-943
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Levy S, Aarts MJB, Eskens FALM, Keymeulen KBMI, Been LB, Grünhagen D, van Akkooi A, Jalving M, Tesselaar MET. Avelumab for advanced Merkel cell carcinoma in the Netherlands: a real-world cohort. J Immunother Cancer 2020; 8:e001076. [PMID: 32948651 PMCID: PMC7511642 DOI: 10.1136/jitc-2020-001076] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/18/2020] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Merkel cell carcinoma (MCC) is associated with high recurrence rates and poor survival when metastatic disease is present. The immune checkpoint inhibitor avelumab has shown high response rates (RRs) and durable responses in patients with advanced MCC (aMCC) in clinical trials. To date, only results from clinical trials, patients treated in an expanded access program and very small numbers of patients have been reported. In this study, detailed real-world efficacy and toxicity data of avelumab in patients with aMCC are reported. METHODS Patients with aMCC treated in four dedicated referral centers in the Netherlands were analyzed from February 2017 until December 2019. Patients were included if they had received at least one administration of avelumab, regardless of previous lines of therapy. Patient data were collected retrospectively from patient records. Primary endpoints were response rate (RR) and duration of response (DOR). Secondary endpoints were progression-free survival (PFS), overall survival (OS), and toxicity. RESULTS Fifty-four patients received avelumab. Eight (15%) patients had locally advanced disease (laMCC). In 40 (74%) patients, avelumab was first-line treatment, these included all patients with laMCC. The median follow-up was 8.9 (range 0.5-35.9) months. RR was 57% (n=31) with 24% (n=13) of patients achieving a complete response. The median DOR was 8.4 (range 1.3-22.1) months and 23 (43%) patients had an ongoing response at the end of the study. The median PFS was 8.6 (95% CI 1.6-15.5) months, and the median OS was 25.8 (95% CI 9.1-42.4) months. Six (11%) patients experienced grade 3 toxicity. No grade 4-5 toxicity was seen. CONCLUSIONS In this real-world cohort, clinical efficacy and toxicity outcomes in clinical practice were in line with results from clinical trials and showed relatively high RRs and durable responses in patients with aMCC.
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Affiliation(s)
- Sonja Levy
- Department of Medical Oncology, Antoni van Leeuwenhoek Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Maureen J B Aarts
- Department of Medical Oncology, Maastricht University Medical Center+, Maastricht, Limburg, The Netherlands
| | - Ferry A L M Eskens
- Department of Medical Oncology, Erasmus Medical Center, Rotterdam, Zuid-Holland, The Netherlands
| | - Kristien B M I Keymeulen
- Department of Surgery, Maastricht University Medical Center+, Maastricht, Limburg, The Netherlands
| | - Lukas B Been
- Department of Surgical Oncology, University Medical Center Groningen, Groningen, The Netherlands
| | - Dirk Grünhagen
- Department of General Surgery, Erasmus Medical Center, Rotterdam, Zuid-Holland, The Netherlands
| | - Alexander van Akkooi
- Department of Surgical Oncology, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Mathilde Jalving
- Department of Medical Oncology, University Medical Center Groningen, Groningen, The Netherlands
| | - Margot E T Tesselaar
- Department of Medical Oncology, Antoni van Leeuwenhoek Netherlands Cancer Institute, Amsterdam, The Netherlands
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