نتایج جستجو برای: primary hepatic neuroendocrine tumor
تعداد نتایج: 1115213 فیلتر نتایج به سال:
objective(s): the objective of this study was to evaluate the performance and utility of 99mtc hynic-toc planar scintigraphy and spect/ct in the diagnosis, staging and management of gastroenteropancreatic neuroendocrine tumors (gpnets). methods: 22 patients (median age, 46 years) with histologically proven gastroentero-pancreatic nets underwent 99mtc hynic-toc whole body scintigraphy and region...
Primary Hepatic Carcinoid Tumor (PHCT) represents an extremely rare clinical entity with only a few cases reported to date. These tumors are rarely associated with metastasis and surgical resection is usually curative. Herein, we report two cases of PHCT associated with poor outcomes due to late diagnosis. Both cases presented late with non-specific symptoms. One patient presented after a 2-wee...
Gastric neuroendocrine carcinoma is a rare tumor which has a poor prognosis. Herein, we present a 55-year-old woman who presented with complaints of recurrent vomiting, hematemesis and weight loss. Endoscopic examination showed a large ulcerated mass in the antrum. Microscopic evaluation of the specimen taken through biopsy was compatible with a small round cell tumor. However, definitive histo...
Background/Overview Hepatic tumors can be due to primary liver cancer or metastases to the liver from nonhepatic primary tumors. Primary liver cancer can arise from hepatocellular tissue (hepatocellular carcinoma [HCC]) or intrahepatic biliary ducts (cholangiocarcinoma). Multiple tumors metastasize to the liver, but there is particular interest in the treatment of hepatic metastases from colore...
A 5-year-old castrated Japanese domestic cat was presented with persistent vomiting. Ultrasound examinations revealed many masses only in the liver, and the fine needle aspiration was performed. Cytologically, polygonal or oval shaped tumor cells forming rosette and cord-like patterns were demonstrated, and then, the hepatic lesions were diagnosed as neuroendocrine carcinoma tentatively. The ca...
Focal neuroendocrine differentiation can be found in diverse histological types of breast tumors. However, the term, neuroendocrine breast tumor, indicates the diffuse expression of neuroendocrine markers in more than 50% of the tumor cell population. The imaging features of neuroendocrine breast tumor have not been accurately described due to extreme rarity of this tumor type. We present a cas...
INTRODUCTION Primary hepatic carcinoid tumours (PHCTs) are extremely rare neuroendocrine neoplasms. Only 58 cases have been reported in the literature and less than 10 cases were functional. CASE PRESENTATION We present a case of a 65 years old, Caucasian female with a large unresectable primary hepatic carcinoid tumor secreting 5-hydroxyindoleacetic acid (5-HIAA), presented with flushing and...
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