Collision Tumors
نویسندگان
چکیده
منابع مشابه
Collision tumors of the paranasal region: presentation of two cases.
Collision tumors in the paranasal region are extremely rare with limited literature data. To the best of our knowledge, this is the first report of associations of squamous cell carcinoma-esthesioneuroblastoma and lymphoma-hemangiopericytoma in the paranasal region. Preoperatively, radiological and clinical findings should be evaluated carefully for the diagnosis and two or more biopsy specimen...
متن کاملCollision tumors: pancreatic adenocarcinoma and mantle cell lymphoma.
CONTEXT Collision tumors are very rare entities composed of two or more distinct tumor components, each separated by normal tissue. Perhaps due to technical advances in the last decade, the incidence of collision tumors has been on the rise. To the best of our knowledge, collision tumors featuring mantle cell lymphoma and pancreatic adenocarcinoma have not been previously described in the scien...
متن کاملAdrenal collision tumors and their mimics: multimodality imaging findings
Adrenal collision tumors (ACTs) refer to coexistence of two adjacent, but histologically distinct neoplasms involving the adrenal gland without histologic admixture at interface. ACTs include adenoma with myelolipoma, adenoma with metastases, hemangioma with adenoma, and adrenocortical carcinoma with myelolipoma. In addition, hemorrhage into a pre-existing adrenal mass can mimic an ACT, and it ...
متن کاملCollision tumors in the gastrointestinal tract: a rare case series
A collision tumor is one where histology shows the presence of two distinct primaries involving the same organ without intermixture of individual cell types, ie, a side by side pattern. Here we present three rare cases of collision tumors involving the stomach and transverse colon. There were two cases of collision tumors involving the stomach, one of which was a combination of adenocarcinoma a...
متن کاملcoincidental occurrence of hepatocellular carcinoma and cholangiocarcinoma (collision tumors) after liver transplantation: a case report
coincidental occurrence of hepatocellular carcinoma (hcc) and cholangiocarcinoma, known as “collision tumors”, within a cirrhotic liver is rare. herein, we report a case of liver transplantation (lt) in a patient with such collision tumors. our patient was a 56-year-old woman with hepatitis c virus-related cirrhosis and 2 focal hepatic lesions, measuring 1.5 and 3 cm, in the liver segments 8 an...
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ژورنال
عنوان ژورنال: Actas Dermo-Sifiliográficas (English Edition)
سال: 2014
ISSN: 1578-2190
DOI: 10.1016/j.adengl.2013.12.001