Transvaginal excision of rectal stromal tumors: case reports and a literature review
World Journal of Surgical Oncology(2019)
Abstract
Background Gastrointestinal stromal tumors (GISTs) are the most common mesenchymal tumors of the gastrointestinal tract. Rectal locations are very rare, and minimally invasive surgery is a good choice for the treatment of rectal GISTs. Case presentation Two women each had a mass located on the lower vaginal-rectal space as determined by transvaginal ultrasound (TV-US), pelvis MR imaging, and colonoscopy. The patients successfully underwent transvaginal excision. The spindle-shaped cells were found in pathological test. The immunohistochemical analysis showed that CD117 and Dog-1 were stained positively. These results confirmed the masses as GISTs. The postoperative period was uneventful without anal dysfunction. Two patients were received adjuvant treatment with imatinib after surgery. Conclusion Transvaginal excision could be a minimally invasive and safe alternative treatment in the management of rectal GISTs in lower locations.
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Key words
Rectal GIST,Transvaginal excision,Lower region
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