INTRODUCTIONSoft tissue sarcomas of the retroperitoneum are rare malignant neoplasms which predominantly arise from fat (liposarcoma) or smooth muscle (leiomyosarcoma). The management of these more common retroperitoneal sarcomas (RPS) is addressed in other review articles within this issue of the journal. The focus of this review is on the management of the less common sarcomas occurring in the retroperitoneal space, including solitary fibrous tumor (SFT), malignant peripheral nerve sheath tumor (MPNST), perivascular epithelioid cell tumor (PEComa), and undifferentiated pleomorphic sarcoma (UPS) of the psoas muscle (Table ). Obviously, all other subtypes of soft tissue sarcoma, such as alveolar soft part sarcoma, angiosarcoma, Ewing sarcoma, synovial sarcoma, etc, can also arise within the retroperitoneum and are treated in the same way as they are in other anatomical locations. As mentioned above, in this review we will focus on the less common “other” distinct sarcoma subtypes which arise in the retroperitoneum—SFT, MPNST, PEComa, and UPS, each of which may generate specific challenges in diagnosis and management in this location (Table ). There are not specific cohort analyses of these types of soft tissue sarcomas located in the retroperitoneum, so for purposes of this review we have extracted data from general analyses
Journal of Surgical Oncology – Wiley
Published: Jan 1, 2018
Keywords: ; ; ; ; ; ;
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