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Juvenile Polyp associated with Hypovolemic Shock Due to Massive Lower Gastrointestinal Bleeding
Dong Yeop Kim1, Joon Yeol Bae1, Kyung Ok Ko1
1Department of Pediatrics, Konyang University College of Medicine, Daejeon, Korea.
Insights
Juvenile polyps, common in children, typically cause mild rectal bleeding. A rare case highlights that these benign hamartomas can lead to severe hypovolemic shock from massive lower GI bleeding.
Area of Science:
- Pediatric Gastroenterology
- Colorectal Surgery
Background:
- Juvenile polyps are the most common colorectal polyps in children, often presenting with lower gastrointestinal bleeding.
- These benign hamartomatous lesions are typically found in the rectum and sigmoid colon, usually measuring around 2 cm.
Observation:
- A 6-year-old girl presented with a juvenile polyp in the distal transverse colon.
- This case involved massive lower gastrointestinal bleeding, leading to hypovolemic shock, an atypical presentation for juvenile polyps.
Findings:
- Juvenile polyps, while usually causing mild bleeding, can rarely present with severe hemorrhage.
- The polyp's location in the distal transverse colon was unusual, contributing to the severity of bleeding.
Implications:
- Pediatricians should consider colonoscopy for comprehensive polyp evaluation, regardless of typical presentation.
- The potential for significant blood loss necessitates awareness of varied juvenile polyp presentations and locations.
Abstract:
Juvenile polyps are the most common types of polyps in children, and patients usually present with lower gastrointestinal (GI) bleeding as the predominant symptom. These lesions, which are referred to as hamartomas, usually measure approximately 2 cm in size and are benign tumors located mainly in the rectum and sigmoid colon. The most common symptom of a juvenile polyp is mild intermittent rectal bleeding. It is rare for anemic patients because the amount of blood loss is small and often not diagnosed immediately. We present the case of a 6-year-old girl with a juvenile polyp in the distal transverse colon, who developed hypovolemic shock due to massive lower GI bleeding. Pediatricians must perform colonoscopy for thorough evaluation of polyps, because their location and size can vary and they can cause massive bleeding.
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