Most pancreatic ductal adenocarcinomas (PDAs) show solid growth pattern, but ductal adenocarcinomas may demonstrate intratumoral cystic appearance or accompany peritumoral non-neoplastic cystic lesions, thus mimicking cystic pancreatic tumors on imaging studies. The histopathologic findings for PDA with cystic feature are divided into neoplastic and non-neoplastic cysts. Neoplastic cystic chang...

OBJECTIVES To present and discuss 2 patients with acquired peripapillary pigmented lesions. METHODS We reviewed the patients' clinical records and histopathologic findings. RESULTS The first patient was diagnosed with a pigmented papillary lesion that was followed up for 38 years. The second patient was a child with neurofibromatosis type 1 who developed a pigmented peripapillary lesion fol...

postsurgical hypothyroidism and its incidence has not been fully investigated. in this study, the incidence of hypothyroidism and its possible risk factors at shariati hospital was assessed. one hundred and two patients with benign thyroid diseases, who had undergone thyroidectomy, were investigated with regards to thyroid function profile during period of one year after the operation every thr...