Related Experiment Video
Updated: Mar 6, 2026

Surgical Correction for Pediatric Epiblepharon and Trichiasis
Published on: July 8, 2025
Application of Kuhnt-Szymanowski Procedure to Lower Eyelid Margin Defect after Tumor Resection
Ayato Hayashi1, Mariko Mochizuki1, Tomoki Kamimori1
1Department of Plastic and Reconstructive Surgery, Juntendo University School of Medicine, 2-1-1 Hongo Bunkyo-ku, Tokyo, 113-8421, Japan.
Background:
Lower eyelid reconstruction after tumor removal is always challenging, and full-thickness defects beyond half of the eyelid length require a flap from a part other than the remaining lower eyelid, such as the temporal area or the cheek.
Objective:
We aimed to report our experience of applying Smith-modified Kuhnt-Szymanowski, one of the most popular procedures for paralytic ectropion, for reconstructing oblong full-thickness lower eyelid margin defect.
Materials And Methods:
We performed Smith-modified Kuhnt-Szymanowski on 5 cases of oblong full-thickness lower eyelid margin defect after skin cancer removal. The mean age of patients was 80.0 years. The horizontal widths of the defects ranged from half to two-thirds of the lower eyelid length and the vertical width ranged from 5 to 9 mm.
Results:
We obtained good functional and esthetic results in all cases. No patients developed ectropion or lower eyelid distortion, and all patients were satisfied with their results.
Conclusions:
We utilized the procedure for morphological revision as a reconstructive procedure for eyelid margin defect by considering the defect as a morphological deformity of the eyelid margin; thus, donor tissue was not required to fill the defect and we could accomplish the reconstruction simply, firmly, and less invasively.

