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Retroperitoneal extragastrointestinal stromal tumor: radiologic pathologic correlation.

Pankaj Watal¹, Swetang G Brahmbhatt¹, Prashant J Thoriya¹

¹Department of Radiodiagnosis, MP Shah Government Medical College, Jamnagar, Gujarat, India.

Journal of Clinical Imaging Science

|August 28, 2014

Summary

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Extragastrointestinal stromal tumors (EGISTs) can occur outside the digestive tract. This report details a rare case of EGIST in the retroperitoneum, including imaging and pathology.

Area of Science:

Gastroenterology
Oncology
Radiology

Background:

Extragastrointestinal stromal tumors (EGISTs) are rare neoplasms.
EGISTs typically arise in the omentum and mesentery.
Retroperitoneal EGISTs are exceptionally uncommon.

Purpose of the Study:

To report a rare case of retroperitoneal EGIST.
To describe the cross-sectional imaging features of retroperitoneal EGIST.
To correlate imaging findings with histopathologic results.

Main Methods:

Case report.
Review of cross-sectional imaging (CT/MRI).
Histopathologic and immunohistochemical analysis.

Main Results:

Keywords:

CD117 extragastrointestinal stromal tumor gastrointestinal stromal tumor retroperitoneum

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The patient presented with a retroperitoneal mass.
Imaging revealed characteristics suggestive of EGIST.
Histopathology confirmed the diagnosis of EGIST.

Conclusions:

Retroperitoneum is a rare but possible location for EGIST.
Multimodality imaging is crucial for diagnosing EGIST.
Accurate diagnosis relies on integrating imaging and pathology.