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Article

Prognostic Factors in Merkel Cell Carcinoma: A Retrospective Single-Center Study in 90 Patients

1
Surgical Oncology Unit, Veneto Institute of Oncology IOV–IRCCS, 35121 Padua, Italy
2
Dermatology Unit and Pathology Unit, Department of Medicine (DIMED), University of Padua, 35121 Padua, Italy
3
Independent Statistician, 35121 Solagna, Italy
4
Melanoma and Esophagus Oncology Unit, Veneto Institute of Oncology IOV-IRCCS, 35121 Padua, Italy
5
Radiotherapy Unit, Veneto Institute of Oncology, IOV–IRCCS, 35121 Padua, Italy
6
Department of Surgery, Oncology and Gastroenterology, University of Padua, 35121 Padua, Italy
7
Dermatology Unit, Department of Medicine (DIMED), University of Padova, 35128 Padua, Italy
*
Author to whom correspondence should be addressed.
These authors contributed equally to the work.
Cancers 2018, 10(10), 350; https://doi.org/10.3390/cancers10100350
Received: 6 August 2018 / Revised: 20 September 2018 / Accepted: 21 September 2018 / Published: 24 September 2018
Merkel Cell Carcinoma (MCC) is a rare but highly aggressive neuroendocrine neoplasm of the skin. This study aimed at describing characteristics, treatment, and prognosis of a series of consecutive cases of MCC patients, in order to contribute to the investigation of this rare malignancy and provide better patient care. This is a retrospective cohort study including all 90 patients diagnosed and/or treated for MCC between 1991 and 2018 at the Veneto Institute of Oncology in Padua (Italy). Patient and tumor characteristics, treatment, and immunohistochemical data were extracted from a prospectively collected local database. There were 68 primary (76%) and 22 non-primary (15 occult primary, three metastatic, four recurrence) tumors (24%). CK20 expression was associated with reduced overall (HR 2.92, 95% CI 1.04–8.16) and disease-specific (HR 4.62, 95% CI 1.31–16.28) survival. Immunomodulatory regimens for treatment of other comorbidities were associated with reduced disease-specific ((HR 2.15, 95% CI 1.06–4.36) and recurrence-free (HR 3.08, 95% CI 1.44–6.57) survival. Iatrogenic immunomodulation resulted as the main factor associated with impaired prognosis. Lack of CK20 expression was associated with better survival. View Full-Text
Keywords: Merkel cell carcinoma; neuroendocrine neoplasm; skin neoplasm; survival; CK20 expression; immunomodulatory drugs Merkel cell carcinoma; neuroendocrine neoplasm; skin neoplasm; survival; CK20 expression; immunomodulatory drugs
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MDPI and ACS Style

Rastrelli, M.; Ferrazzi, B.; Cavallin, F.; Chiarion Sileni, V.; Pigozzo, J.; Fabozzi, A.; Tropea, S.; Vecchiato, A.; Costa, A.; Parisi, A.; Rossi, C.R.; Del Fiore, P.; Alaibac, M. Prognostic Factors in Merkel Cell Carcinoma: A Retrospective Single-Center Study in 90 Patients. Cancers 2018, 10, 350. https://doi.org/10.3390/cancers10100350

AMA Style

Rastrelli M, Ferrazzi B, Cavallin F, Chiarion Sileni V, Pigozzo J, Fabozzi A, Tropea S, Vecchiato A, Costa A, Parisi A, Rossi CR, Del Fiore P, Alaibac M. Prognostic Factors in Merkel Cell Carcinoma: A Retrospective Single-Center Study in 90 Patients. Cancers. 2018; 10(10):350. https://doi.org/10.3390/cancers10100350

Chicago/Turabian Style

Rastrelli, Marco, Beatrice Ferrazzi, Francesco Cavallin, Vanna Chiarion Sileni, Jacopo Pigozzo, Alessio Fabozzi, Saveria Tropea, Antonella Vecchiato, Alessandra Costa, Alessandro Parisi, Carlo Riccardo Rossi, Paolo Del Fiore, and Mauro Alaibac. 2018. "Prognostic Factors in Merkel Cell Carcinoma: A Retrospective Single-Center Study in 90 Patients" Cancers 10, no. 10: 350. https://doi.org/10.3390/cancers10100350

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