Case report demonstrates transrectal submucosal tunneling endoscopic resection of a pelvic pseudotumor in a young man, highlighting a minimally invasive approach for deep pelvic lesions.
A 31-year-old man was diagnosed with a submucosal lesion in the rectum during colonoscopy (Figure 1A).The lesion was located 3-6 cm proximal to the anal verge.Contrast-enhanced CT showed a low-density lesion in pelvic cavity close to the posterior rectal wall with a maximal diameter of 3.5 cm (Figure 1B).
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Li et al. (2026) studied this question.
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