A case report of a giant solitary juvenile polyp: from obstructed defecation syndrome to incontinence

Juvenile polyps (JPs) are the most common polyps in pediatric patients. We present the case of an 18-year-old male patient with a giant solitary JP resembling solitary rectal ulcer syndrome (SRUS). The presenting history was rectal bleeding and symptoms of obstructed defecation syndrome. Colonoscopy revealed a polypoidal mass at the anorectal junction, with biopsy-confirmed SRUS. The symptoms worsened, and a protruding mass from the anus caused fecal incontinence. Pelvic magnetic resonance imaging showed a huge pedunculated mass occupying the low rectum with local compression of the urinary bladder. Transanal excision of the anal tumor was performed due to bleeding. A histopathological examination showed a JP with high-grade dysplasia. A histological examination to differentiate JPs and SRUS could be challenging based on a superficial forceps biopsy. Therefore, an excision biopsy is usually warranted with the understanding that adenomatous or malignant transformation is found in 5.6% to 12% of all JPs.

SMA Syndrome – Wait & Nurture

@#Superior mesenteric artery (SMA) syndrome is rare with the common presentation of megaduodenum from entrapment of the third part of the duodenum (D3) by the SMA. We present a case report of a thin, fit 16-year-old boy, active smoker complaining of generalized colicky abdominal pain associated with persistent postprandial vomiting. Small bowel study demonstrated partial duodenal obstruction from compression of the third part of the duodenum by the SMA. Computed tomography of the abdomen shows an aorto-mesenteric angle of 13 degrees with aorto-mesenteric distance of 0.32 cm, indicating SMA syndrome. His symptoms resolved spontaneously with watchful waiting and nutritional care plan. The success was contributed to restoring the fat cushion around the SMA, hence, widening the aorto-mesenteric angle. In conclusion, watchful waiting with a nutritional care plan is a feasible initial strategy in the approach to SMA syndrome. However, should this strategy be unsuccessful, the choice of surgical treatment is duodenojejunostomy.