A retroperitoneal myopericytoma: The first case located at the retroperitoneal area and not originate from the kidneys
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Date
2023-06
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Publisher
Wolters Kluwer - Medknow
Abstract
A 25-year-old woman had a mass of approximately 65 cm × 33 cm × 102 cm, located in the left paraaortic area on CT scan. It was diagnosed as retroperitoneal malignant neoplasm on imaging. Afterward, open retroperitoneal tumor excision was performed. At laparotomy, the mass was carefully dissected from the ureter, renal artery, and aorta and excised as en-bloc. The pathological result was “myopericytoma.” Histologically, the pathological findings characterized a pericytic neoplasm characterized by a perivascular growth of myoid tumor cells. In addition, there were uniform, oval-shaped cells with eosinophilic cytoplasm arranged in short fascicles around blood vessels. The cytologic atypia and mitoses were absent. There are many different tumors in the retroperitoneal area. Most of these lesions are malign nature. Nevertheless, for each benign and malign neoplasm, the preoperative imaging method is generally similar. This present case showed the significant findings of myopericytoma, a benign pathology located in the retroperitoneal area.
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Keywords
Benign retroperitoneal mass, case report, myopericytoma, retroperitoneal mass
Citation
Ozkent MS, Günler T, Gönen M.. A retroperitoneal myopericytoma: The first case located at the retroperitoneal area and not originate from the kidneys. Indian Journal of Pathology & Microbiology. 2023 Jun; 66(2): 369-371