Anterior rectal wall gastrointestinal stromal tumor presenting clinically as prostatic mass

Gastrointestinal stromal tumors (GIST) of the anterior rectal wall can present as a prostatic mass, with concomitant obstructive symptoms. Transrectal biopsies of GIST may be misdiagnosed as primary prostatic sarcomas. We report 3 cases of GIST that were initially characterized as prostatic leiomyos...

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