Large retrorectal leiomyosarcoma: case report and considerations about a rare and challenging disease
Retrorectal sarcomas are not common, and few data are available in the literature on the best way to treat them. We report a case of a 75-year-old man, with only hypertension in anamnesis, presenting with proctorrhagia and pelvic and lower abdominal pain. Colonoscopy showed a stenotizing lesion from the dentate line extended for 10 cm, partially ulcerated but mostly with the features of ab extrinseco compression with normal mucosa. Histological examination of the biopsies revealed a malignancy of the mesenchymal line. Pelvis MRI showed a 11.5 × 17.5 pelvic mass with an anterior growth infiltrating the rectum ab extrinseco and in contact with prostate, bladder, and seminal vesicles. An endoscopic ultrasound confirmed a bulky pelvic hypoechoic mass-infiltrating prostate and seminal vesicles and penetrating the lumen of the proximal rectum. No lung or liver metastases at CT scan were present. Surgery was a join venture by general surgeons and urologists, and a total pelvic...
KeywordsSeminal Vesicle Leiomyosarcoma Pelvic Exenteration Chylous Leakage Radial Margin
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