Patients with neurofibromatosis-1 (NF-1) sometime develop neuroendocrine tumors (NET). Although these NETs usually occur in the duodenum or peri-ampullary region, they occasionally grow in the pancreas (PNET). A 62-year-old man with NF-1 had mild liver dysfunction and was admitted to our hospital for further examination. An abdominal contrast-enhanced computed tomography scan demonstrated a 30-...

introduction: in this study we examined the effect of ampullary and isthmic epithelial cell of golden hamster oviduct on n-mary mouse embryo development during 4-days in vitro co - culture, and the effect of injected gonadotropins on the quality of co-culture. materials and methods: golden hamster oviducts were isolated 18-24h after treating the hamster with hcg. they were flushed with dmem / h...

Background Extrahepatic cholangiocarcinoma (eCCA) is a rare and aggressive disease consisted of conventional eCCA intraductal papillary neoplasm the bile duct (IPNB). Intraepithelial spread (IES) cancer cells beyond invasive area often observed in IPNBs; however, prevalence IES remains to be examined eCCAs. Here, we evaluated clinicopathological features eCCAs according tumor location, with foc...

Malignancies can metastasize through hematogenous or lymphatic routes. Enlarged lymph nodes in a known case of malignancy do not always imply metastasis. A middle-aged female patient presented to us with abdominal pain and jaundice. Investigation revealed ampullary growth due to adenocarcinoma. Positron emission tomography-computerized tomography scan revealed uptake of the tracer in the ampull...

Adenomas of the ampulla of Vater are distinctly rare, representing <10% of periampullary neoplasms. Very few reports of the cytologic features of ampullary adenomas are present in literature, particularly in bile duct brushing samples. A case report and review of the literature is presented. The typical cytologic features of ampullary adenomas on cytologic preparations include tall, thin column...

This is an interesting case of an isolated ampullary adenoma causing biliary obstruction that required surgical excision. We describe a patient who presented with a six month history of recurrent attacks of typical biliary pain radiating from the right upper quadrant of the abdomen to the back, nausea and vomiting, which we attributed to a large pedunculated tubulovillous adenoma. Abdominal ult...