Andreas Blum, Graeme Siggs, Ashfaq A Marghoob, Jürgen Kreusch, Horacio Cabo, Gabriella Campos-do-Carmo, Ana Flávia Cavalcanti Shiraishi, Alexander Kienitz, Cayetana Maldonado-Seral, Paola Maltagliati-Holzner, Zeljko P Mijuskovic, Andrea M Yoshimura, Elvira Moscarella, Harold S Rabinovitz, Cristina Rodriguez-Garcia, Sonia Rodríguez Saa, Pietro Rubegni, Francesco Savoia, Olga Simionescu, Pedro Zaballos Diego, Rainer Hofmann-Wellenhof
Background: Collision lesions as two independent and unrelated skin tumors often manifest an atypical morphology. Objective: To determine the combinations of collision skin lesions (CSLs). Methods: Twenty-one pigmented lesion clinics in nine countries included 77 histopathologically proven CSLs in this retrospective observational study. Results: Seventy-seven CSLs from 75 patients (median age 59.8 years) were analyzed; 24...
October 2017: Dermatology Practical & Conceptual