- Concentric lower oesophageal ring at squamo-columnar junction
- 2-10% of GORD pts
- Due to chronic inflammation & fibrosis
- Most < 1cm in length
- Management
- Biopsy to exclude malignancy
- Must treat reflux initially – PPI’s, anti-reflux surgery
- Sequential dilation with 10mm balloon
- Perforation risk 1-2%, 90% success rate
- Division with laser of tight band
- May reduce need for repeated dilation
- Stent placement – temporary as needs to be removed
- Severe strictures may require resection.
