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Intussusception on small bowel examinations in children
Insights
This study highlights key radiographic signs of intussusception in children diagnosed via small bowel follow-through. Early identification of lead points is crucial for effective diagnosis and treatment of this pediatric condition.
Area of Science:
- Pediatric Radiology
- Gastrointestinal Imaging
Background:
- Intussusception is a common cause of bowel obstruction in infants and children.
- Accurate diagnosis is essential for timely intervention and preventing complications.
Observation:
- This study presents six pediatric cases of intussusception diagnosed using small bowel follow-through (SBFT) examinations.
- Radiographic findings include a narrow barium channel, soft-tissue mass, coil spring appearance, and a distal mass lesion.
Findings:
- All six cases demonstrated a lead point, a lesion initiating the intussusception.
- Jejunal intussusceptions were typically associated with benign lesions.
- Malignant lesions were almost exclusively found in distal intussusceptions.
Implications:
- Small bowel follow-through studies, with delayed films and fluoroscopy, are valuable for diagnosing intussusception.
- Identifying the lead point is critical for understanding the etiology and guiding management.
- Understanding lesion location aids in predicting malignancy risk in pediatric intussusception.
Abstract:
Six children in whom an intussusception was diagnosed on a small bowel follow-through examination are presented. The radiographic signs of intussusception on such a study include: (1) a narrow channel of barium representing the compressed lumen of the intussusceptum, (2) a soft-tissue mass on either side of this channel due to hypertrophy and edema of the walls of the intussuceptum and intussuscipiens, (3) a coil spring appearance around the narrow channel, and (4) a mass lesion at the distal end of the narrow channel. Not all of these signs are present in each case. Intussusception is a dynamic process and the value of delayed films and frequent fluoroscopy during small bowel follow-through studies in these cases is stressed. All six cases had a demonstrable lesion as a lead point. Jejunal intussusceptions are usually caused by bening lesions--malignancy being found almost exclusively in distal intussusceptions.