Colo-colic intussusception in Henoch-Schönlein purpura

Area of Science:

• Pediatric Surgery
• Gastroenterology
• Immunology

Background:

• Henoch-Schonlein purpura (HSP) is a common vasculitis in children.
• Intussusception is a known, albeit infrequent, surgical complication of HSP.

Observation:

• Colo-colic intussusception is a rare presentation of intussusception in children with HSP.
• Only three previous cases of colo-colic intussusception associated with HSP have been reported.
• Unlike idiopathic intussusception, which predominantly affects the ileo-colic region, HSP-associated intussusception typically originates in the small bowel (ileum or jejunum).

Findings:

• The majority of HSP-related intussusceptions (58.4%) are confined to the small intestine.
• Ileal intussusception accounts for 90% of HSP cases, with jejunal intussusception occurring in 7%.

Implications:

• Understanding the specific patterns of intussusception in HSP is crucial for accurate diagnosis and management.
• The rarity of colo-colic intussusception in HSP highlights the need for careful evaluation, as it deviates from typical presentations.
• Distinguishing HSP-associated intussusception from idiopathic forms is important for appropriate diagnostic and therapeutic strategies, as contrast enema reduction may be less effective in small bowel intussusception.