Mixed neuroendocrine-non-neuroendocrine carcinoma of gallbladder: case report
نویسندگان
چکیده
منابع مشابه
Neuroendocrine Carcinoma of the Stomach A Case Report
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...
متن کاملNeuroendocrine Carcinoma of the Gallbladder
Risk factors for NETs include cholelithiasis and chronic inflammation; as most published data describe these, just as ours [3,4]. Because gallbladder doesn’t contain neuroectodermal cells except than a few in neck region, it’s not known for certain where NETs originate from. It is postulated that these tumors arise from multipotent stem cells undergoing gastric and/or intestinal metaplasia with...
متن کاملDigestive System Mixed Neuroendocrine-Non-Neuroendocrine Neoplasms.
Mixed neuroendocrine-non-neuroendocrine neoplasms (MiNEN) are a heterogeneous subgroup of rare neoplasms that represent about a third of all poorly differentiated neuroendocrine carcinomas (PDNEC). MiNEN combine a neuroendocrine component, usually a PDNEC, and a non-neuroendocrine component, generally an adenocarcinoma, both accounting for at least 30% of the neoplasm. MiNEN are classified as h...
متن کاملMediastinal Neuroendocrine Carcinoma of Unknown Origin Presenting with Superior Vena Cava Syndrome (SVCS): A Case Report
Primary neuroendocrine carcinoma (NEC) of the mediastinum is a rare type of carcinoma. According to the literature, only five cases of this condition have been reported so far. In this paper, we present a rare case of mediastinal NEC of unknown primary site. The patient was a 34-year-old man with mediastinal NEC, who presented with chronic dry cough and a right-sided mediastinal mass one year p...
متن کاملNeuroendocrine Differentiated Breast Carcinoma: a Case Report
Neuroendocrine tumors are rarely seen in the breast. They are commonly located in the gastrointestinal tract and the lungs. These tumors of the breast may be purely neuroendocrine or neuroendocrine diff erentiated. Some breast tumors may have neuroendocrine foci. The clinical signifi cance of these tumors are unclear. However, they are thought to have no relation with the prognosis and patient ...
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ژورنال
عنوان ژورنال: World Journal of Surgical Oncology
سال: 2019
ISSN: 1477-7819
DOI: 10.1186/s12957-019-1598-4