The current study presents a case of primary prostatic extra-gastrointestinal stromal tumor (EGIST) in a 43-year-old man who suffered acute urinary retention. The serum level of prostate-specific antigen was normal. Imaging examinations demonstrated a diffusely enlarged prostate compressing the rectum without evidence of metastasis. After excluding the possibility of secondary involvement by a rectal GIST, the pathologic diagnosis of primary prostatic EGIST was established based on microscopic study, immunohistochemistry, and molecular analysis. This patient is the first case with primary EGISTs of prostate received imatinib mesylate as neoadjuvant and adjuvant therapy reported in the literature to date. We hope this case could provide the experience of diagnosis and treatment of primary prostatic EGISTs.
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| http://dx.doi.org/10.2147/OTT.S233868 | DOI Listing |
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