PRIMARY INTRA-ABDOMINAL EWING'S SARCOMA IN ADULTS: A MULTIMODALITY IMAGING SPECTRUM

Publication date: Available online 2 January 2019

Source: Current Problems in Diagnostic Radiology

Author(s): Shakunthala Revannagowda, Kiran Gangadhar, Gensuke Akaike, Manjiri Dighe

ABSTRACT

Ewing sarcoma (ES) and peripheral primitive neuroectodermal tumor (PNET) are part of a spectrum of neoplastic diseases known as the ES family of tumors (EFT), which also includes extraosseous ES (EES), PNET, malignant small-cell tumor of the thoracopulmonary region (Askin's tumor), and atypical ES. Although imaging features of these tumors have been previously described, extensive discussion about intra-abdominal manifestations are scarce in the literature. We present an imaging spectrum of these tumors in the abdomen and pelvis with particular attention to multimodality approach for staging and restaging.

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