Primary Extra-gastrointestinal Stromal Tumor of Retroperitoneum.

Clinical Medicine Insights. Oncology
Claudio CasellaBruno Salerni

Abstract

Gastrointestinal stromal tumors (GISTs) are the most common mesenchymal neoplasms of the gastrointestinal tract. More rarely neoplasms with histology and immunohistochemistry similar to GISTs may occur outside the gastrointestinal tract ( omentum, mesentery and retroperitoneum) and are so-called Extra-gastrointestinal Stromal Tumors (EGISTs). EGISTs arising in the retroperitoneum are extremely rare: to date, only 58 cases have been reported in the literature. We herein report a case of a primary EGIST of the retroperitoneum surgically treated. The pre-operative radiological evaluation showed a retroperitoneal mass, placed in left paravertebral region. Morphological and immunohistochemical features led to a diagnosis of extra-gastrointestinal stromal tumor (intermediate-low risk form). As a result of the rarity of reports of primary EGISTs of retroperitoneum we need to analyze the data of reported cases in order to gain a better understanding about the pathogenesis, prognosis and optimal treatment of this disease.

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Citations

Aug 28, 2014·Journal of Clinical Imaging Science·Pankaj WatalNandini U Bahri
Jan 24, 2015·Clinical Case Reports·Cristiano de Assis Pereira HansenNaiara Pedrassi Engracia Garcia Caluz
Jan 5, 2017·Insights Into Imaging·Goran Mitreski, Tom Sutherland
May 15, 2015·Journal of Clinical Imaging Science·Turker AcarMelda Yildiz
Apr 29, 2016·Oncology Letters·Cai-Qing ZhangWei Xiao
Jun 9, 2016·Abdominal Radiology·Guillermo P SangsterJaiyeola Thomas-Ogunniyi

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Methods Mentioned

BETA
imaging techniques
biopsy

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