Malignant solitary fibrous tumor in retroperitoneum: A case report and literature review.

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Malignant solitary fibrous tumor in retroperitoneum: A case report and literature review.

Medicine (Baltimore). 2017 Mar;96(11):e6373

Authors: Zhou Y, Chu X, Yi Y, Tong L, Dai Y

Abstract
RATIONALE: Solitary fibrous tumor (SFT) is a rare mesenchymal tumor occurs in various sites. Malignant SFT in retroperitoneum is extremely rare.
PATIENT CONCERNS: We report a case of malignant retroperitoneal SFT in a 59-year-old man presented with right flank pain for 1 month.
DIAGNOSES, INTERVENTIONS AND OUTCOMES: A laparotomy and resection of the tumor were performed, the histopathologic and immunohistochemical findings were consistent with malignant retroperitoneal SFT. No adjuvant treatment was performed, and the patient had no signs of recurrence or metastasis at the 12 months follow-up.
LESSONS: Complete surgical excision is the basic treatment principle for malignant retroperitoneal SFT. The histologic features and the Ki-67 label index are helpful for the diagnosis of malignant SFT.

PMID: 28296778 [PubMed - indexed for MEDLINE]

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