4세 여아에서 발생한 공각막낭 1예
A Case of Sclerocorneal Cyst in a 4-Year-Old Female
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목적: 4세 소아에서 사시 수술 후 발생한 공각막낭에 대하여 낭벽 절제술과 공막 이식술을 시행한 1예를 보고하고자 한다. 증례요약: 1년 6개월 전 사시 수술을 받은 병력이 있는 4세 여아가 1달 전부터 진행한 좌안 공각막의 흰 병변을 주소로 내원하였다. 세극등현미경 검사상 좌안 각막 상이측에 4.2 x 3.5 mm 크기의 낭이 관찰되었으며, 낭은 윤부를 넘어 3시 방향으로 공막으로 이어져있었다. 공각막낭을 채우고 있던 물질의 흡인과 낭벽 절제술을 시행하였으며, 공막 결손부위를 덮기 위해 공막 이식을 시행하였다. 수술 후 병리 조직 검사에서 낭벽이 비각질중층편평상피세포로 구성되어 있음을 확인하였으며, 낭의 흡인물에서는 다수의 퇴행된상피 세포들이 관찰되었다. 결론: 외상이나 수술 후 드물지만 공각막낭이 발생할 수 있으며, 재발 없는 치료를 위해서는 적극적인 낭벽 절제술이 필요하다.
Abstract
Purpose: To report a case of sclerocorneal cyst found in a 4-year-old female following strabismus surgery treated with cyst wallexcision and scleral graft. Case summary: A 4-year-old female with a history of strabismus surgery performed 1.5 year prior presented with a whitish lesionin cornea and sclera which developed 1 month ago. Slit-lamp examination revealed a 4.2 × 3.5 mm-sized cyst at the superotemporalpart of the cornea, extending into the sclera at 3-o’clock. Cyst fluid, precipitate aspiration, and cyst wall excision wereperformed. Scleral patch graft was used to cover the scleral defects after excision. Upon histopathological examination, the cystwall was lined with nonkeratinized stratified squamous epithelium and numerous degenerated epithelial cells were present in thecyst aspirate. Conclusions: Sclerocorneal cyst can rarely develop following trauma or surgery. In this report, the sclerocorneal cyst, possiblyinduced by previous strabismus surgery, was treated successfully without recurrence using cyst wall resection.
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