作者: Liza Thalheimer , Bryan Richmond , Jay Lohan
DOI: 10.1177/000313480807400118
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摘要: A rare case of a leiomyosarcoma the anal canal is presented. 68-year-old male presented with painful defecation and rectal bleeding. Endorectal ultrasound revealed mass invading both sphincters (T4 lesion), extending 6 cm into canal. Colonoscopy an ulcerated area in canal, which biopsies high-grade leiomyosarcoma--only eighteenth such at time this submission. The details teaching images are detail, as comprehensive review relevant literature.