21-hydroxylase deficiency (21-ohd) caused congenital adrenal hyperplasia (cah) is a group of autosomal recessive genetic disorders resulting from mutations in genes involved with cortisol (co) synthesis in the adrenal glands. testicular adrenal rest tumors (tarts) are rarely the presenting symptoms of cah. here, we describe a case of simple virilizing cah with tarts, in a 15-year-old boy. the p...

background:   although the majority of soft tissue masses are benign, it is important to consider malignancy in differential diagnoses. because most soft tissue sarcomas present as a painless mass, clinicians must watch for signs suggestive of malignancy, including large size, rapid growth, and site deep into the deep fascia.the purpose of this study was to determine the relative prevalence acc...

background pancreatic neuroendocrine tumors (pnets) are rare tumors with variable malignant potential, prognosis, and survival. we aimed to assess the characteristics of patients with non- functional pnet  in our hospital . methods from nov 2010 to nov 2013 , all patients who came to endosonography unit of shariati  hospital , tehran , iran , and   had pancreatic lesions were assessed . tumor s...