نتایج جستجو برای: primary hepatic neuroendocrine tumor
تعداد نتایج: 1115213 فیلتر نتایج به سال:
We report the case of a 26-year-old woman with a 19 cm malignant hepatic neoplasm with morphological features that closely resembled a follicular thyroid carcinoma. Despite this, it was interpreted as a cholangiocarcinoma due to the absence of a primary thyroid tumor and the lack of thyroglobulin and TTF-1 immunoreactivity by the hepatic tumor. The left hepatic lobectomy specimen showed an enca...
Renal cell carcinoma (RCC) is a common malignancy in the elderly population and it notorious for its mechanism of late metastasis to unusual anatomical sites. Late recurrences are following curative treatment, such as radical nephrectomy. Pancreatic metastases hepatic metastatic lesions make diagnosis classification primary tumor challenging. This necessitates high index suspicion an extensive ...
INTRODUCTION Mixed hepatocellular and cholangiocarcinoma tumors (MHCC) are described in the literature, as are the more rare mixed adenoneuroendocrine carcinomas (MANC) of hepatobiliary origin. Only two cases of tumors with characteristics of all three histologies/phenotypes have been previously described in one Chinese study. PRESENTATION OF CASE Herein we report clinical, microscopic and mo...
BACKGROUND In our clinical practice we have observed that despite a high hepatic metastatic tumor burden, serum alkaline phosphatase (AP) levels are frequently normal in cases of metastatic neuroendocrine tumor (NET). PATIENTS AND METHODS We retrospectively reviewed the records of patients with grade 1 and 2 NETs with liver metastases but without bone metastases seen at our institution in 201...
UNLABELLED Primary neuroendocrine cancer of the breast (NECB) is an extremely rare tumor. In 2003, the World Health Organization (WHO) recognized this category with three well-described subtypes: small cell, large cell, and carcinoid-like carcinoma; very few peer-review publications based on the WHO definition were encountered in the literature, and we conducted a literature search to investiga...
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 regi...
We present a 61-year-old man with a 2-year history of persistent disseminated, psoriasiform annular pruritic lesions, acrodermatitis, weight loss, anemia and diabetes. Histopathology of the affected skin showed nonspecific subacute psoriasiform dermatitis. The computed tomographic scan of the abdomen revealed multiple hepatic tumors. Histopathological examination of ultrasound-guided needle bio...
The mammalian target of rapamycin inhibitors are normally favored as immunosuppressant agents for solid organ transplantation such as kidney, liver or heart. Only in recent years have they been increasingly administered for the treatment of neuroendocrine tumors. Even though mammalian target of rapamycin inhibitors are known to exhibit specific side effects, everolimus-related severe hepatic st...
Neuroendocrine tumors, 1-2% of all malignancies, are relatively slow-growing neoplasms. The majority of neuroendocrine tumors belong to the World Health Organization Group 2 with well-differentiated endocrine carcinomas, but some tumors can be aggressive. The most common are gastroenteropancreatic-neuroendocrine tumors, followed by bronchopulmonary neuroendocrine tumors; less frequent locations...
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