Anorectal melanoma: Clinico-pathological features of a rare and aggressive malignancy in a multicentric study

Affiliations

• ¹ Unit of Dermatology, IRCCS Ospedale San Raffaele, Milan, Italy.
• ² Faculty of Medicine and Surgery, Vita-Salute San Raffaele University, Milan, Italy.
• ³ Dermato-Oncology Unit, IEO, European Institute of Oncology IRCCS, Milan, Italy.
• ⁴ Department of General Surgery, Sapienza University of Rome, Rome, Italy.
• ⁵ Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle d'Aosta, Torino, Italy.
• ⁶ Dermatology Unit, IRCCS Humanitas Research Hospital, Milan, Italy.
• ⁷ Department of Dermatology, Policlinico Umberto I, Sapienza University of Rome, Rome, Italy.
• ⁸ Unit of Immunobiotherapy of Melanoma and Solid Tumors, Division of Experimental Oncology, IRCCS San Raffaele Hospital, Milan, Italy.
• ⁹ Department of Translational and Precision Medicine, Sapienza University of Rome, Rome, Italy.
• ¹⁰ Surgical Science Department, Centre of Minimal Invasive Surgery, Città della Salute e della Scienza Hospital, University of Turin, Turin, Italy.
• ¹¹ Department of Medical Sciences, Sections of Dermatology, University of Turin, Turin, Italy.
• ¹² Pathology Unit, Department of Medical Sciences, University of Turin, Turin, Italy.
• ¹³ Department of Experimental Medicine, University of Salento, Lecce, Italy.
• ¹⁴ Surgical Unit, IRCCS de Bellis, Bari, Italy.
• ¹⁵ Colorectal Surgical Oncology, Department of Abdominal Oncology, Istituto Nazionale Tumori-IRCCS "Fondazione G. Pascale", Naples, Italy.
• ¹⁶ Division of Surgery of Melanoma and Skin Cancer, Istituto Nazionale Tumori 'Fondazione Pascale' IRCCS, Naples, Italy.
• ¹⁷ Department of Clinical Medicine and Surgery, University of Naples Federico II, Naples, Italy.
• ¹⁸ Department of Oncology, IRCCS Ospedale San Raffaele, Milan, Italy.
• ¹⁹ Unit of Pathological Anatomy, IRCCS San Raffaele Hospital, Milan, Italy.
• ²⁰ Dermatology Unit, Ospedale di Circolo Fondazione Macchi, ASST Sette Laghi, Varese, Italy.
• ²¹ Department of Medicine and Surgery, University of Insubria, Varese, Italy.
• ²² IDI IRCCS - Istituto Dermopatico dell'Immacolata, Rome, Italy.