Twenty-two patients had a dry ear and healthy lining of the mastoid cavity (85%). Two patients were lost in follow-up. Only two had persistent discharge from the ear. Even though the number of clinic visits decreased after the operation, this failed to achieve statistical significance. Twenty out of 26 patients returned the GBI (77%). The GBI showed a mean total benefit of ϩ27 (CI: 18-37), social benefit of ϩ 30 (CI: 18-42), and physical benefit of ϩ 26 (CI: 15-37). These results are comparable to other otological procedures that produce good improvement in the quality of life. CONCLUSIONS: Hong Kong flap is a good technique for management of chronically discharging mastoid cavity due to unhealthy lining. It also improves the quality of life for patients.