Abstract
Extragastrointestinal stromal tumors (EGISTs) originate from several anatomic sites, except the digestive system. We describe an early prostatic EGIST case with lower urinary tract symptoms and a palpable lesion on digital examination. The patient received transrectal ultrasonography-guided biopsy of the prostate, and the pathological finding demonstrated positive staining for DOG-1 and CD117. Treatment included only imatinib, which shrank the tumor and led to complete remission. Because of enlarged prostate volume with tumor progression, the initial common manifestations are lower urinary tract symptoms. Surgical resection is the recommended management, particularly in bulky lesions. However, imatinib still plays an important role in long-term therapy. We also review the associated reported cases of prostatic EGISTs.
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