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Updated: Aug 8, 2026

Endoscopic Cholesteatoma Surgery
Published on: January 19, 2022
Mitomycin C in the management of pediatric caustic esophageal strictures: a case report
Oluyinka O Olutoye1, Robert J Shulman, Ronald T Cotton
1Pediatric Surgery Division, Michael E. DeBakey Department of Surgery, Texas Children's Hospital, Baylor College of Medicine, Houston, TX 77030-2399, USA. oolutoye@bcm.tcm.edu
Insights
Mitomycin C (MMC) shows promise in treating pediatric esophageal strictures caused by caustic ingestion. Topical MMC application improved stenosis in a child, suggesting its potential as an adjunct therapy.
Area of Science:
- Gastroenterology
- Pediatric Surgery
- Otolaryngology
Background:
- Caustic esophageal strictures pose a significant management challenge, particularly in pediatric cases.
- Mitomycin C (MMC), known to inhibit fibroblast proliferation, has demonstrated scar-reducing effects in experimental models.
Observation:
- A pediatric case of distal esophageal stricture resulting from lye ingestion is presented.
- Despite multiple dilatations, significant stenosis persisted at one year post-injury.
Findings:
- Topical Mitomycin C (MMC) was applied endoscopically and repeated four months later.
- At twenty months follow-up, the child experienced normal eating, and esophagram revealed reduced stenosis (50% of esophageal diameter).
- No adverse complications were noted during the follow-up period.
Implications:
- Mitomycin C (MMC) may be a valuable adjunct therapy for managing pediatric caustic esophageal strictures.
- Further controlled clinical trials are necessary to validate the efficacy and safety of MMC in this context.
Abstract:
Although the incidence of caustic ingestion is declining, the management of caustic esophageal strictures remains a challenge. Mitomycin C (MMC) inhibits fibroblast proliferation and is effective in reducing scar in animal experiments. We report the case of a child with a distal esophageal stricture from lye ingestion managed with MMC. Despite repeated dilatations, at 1 year post injury, the stricture was 20% of esophageal diameter. Mitomycin C (4 microg/mL) was applied topically and circumferentially by endoscopy and repeated 4 months later. At 20 months follow-up, the child eats normally, and esophagram showed decreased stenosis (stricture was 50% of esophageal diameter). No complications were observed. Although controlled trials are required to confirm its efficacy, MMC should be considered as an adjunct in the management of caustic esophageal strictures in children.
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