Plexiform schwannoma of the duodenum accompanying pyloric stenosis: Report of a case - AKTEKİN, Ali; ÖZKARA, Selvinaz; MERİÇ, Kaan; GÜNAY GÜRLEYİK, Meryem; AKER, Fügen; SAĞLAM, Abdullah (Turkish Journal of Gastroenterology, 2012)