title: Is this a case requiring closer collaboration between dermatologists and gastroenterologists?
authors.affiliation: Unit of Dermatology, Department of Surgical, Microsurgical and Medical Sciences, University of Sassari, Sassari, Italy - babilon22@hotmail.com.
authors.forename: Gabriele
authors.initials: G
authors.lastname: Biondi
authors.forename: Francesca
authors.initials: F
authors.lastname: Cottoni
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D003093:Colitis, Ulcerative / Q000188:drug therapy*; D000072085:Dermatologists; D000072102:Gastroenterologists; D006801:Humans; D007166:Immunosuppressive Agents / Q000008:administration & dosage / Q000009:adverse effects*; D033183:Interdisciplinary Communication; D008297:Male; D012514:Sarcoma, Kaposi / Q000209:etiology* / Q000473:pathology
chemical_list: D007166:Immunosuppressive Agents