Two Cases With Mucosal Prolapse Syndrome in Children

Kouchi Katsunori, Yoshida Hideo, Matsunaga Tadashi, Hishiki Tomoro, Yamada Shinnichi, Satou Yoshiharu, Terui Keita, Mitsunaga Tetsuya, Nakada Mitsumasa, Ohnuma Naomi

doi:10.11164/jjsps.42.2_263

Mucosal prolapse syndrome of the rectum causes rectal bleeding in patients and it is relatively rare in children. MPS is characterized by mucosal lesions of the distal rectum. It is caused by a long period of stimulation at the rectal wall during squeezing. In the treatment of MPS, fecal control is necessary to avoid recurrence. We have treated two children with MPS. The first case was a twelve-year-old male. He complained of rectal bleeding. The double contrast barium enema and colonoscopy found circumferential polypoid lesions at the lower rectum. Defecography showed hypo-motility of the muscles of the levator ani. Endoscopic ultrasonography revealed the thickness of the first to third layer of the rectum and no abnormality at the fourth layer. Therefore, the diagnosis of MPS was made. He underwent trans-anal mucosectomy and had no relapse after the surgery. The other case was a seven-year-old male. He complained of severe constipation with fecal soiling. At the posterior wand of the rectum, flat mucosal thickness was found and the biopsy of the lesion provided the diagnosis of MPS. He had no symptom of rectal bleeding and we performed a conservative treatment for the incontinence of stool without surgery.

Two Cases With Mucosal Prolapse Syndrome in Children

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