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A case of presumed corneal keratinization Yasuko Mori 1 , Yoshikazu Shimomura 2 , Shinji Danjo 2 , Mamoru Matsuda 2 , Takashi Hamano 2 , Reizo Manabe 2 , Yuko Sasaki 3 1Eye Div, Osaka Police Hosp 2Dept of Opthalmol, Osaka Univ Med Sch 3Eye Div, Saiseikai Noe Hosp pp.179-182
Published Date 1992/2/15
DOI https://doi.org/10.11477/mf.1410901013
  • Abstract
  • Look Inside

A 61-year-old female presented with impaired vision and foreign body sensation of one month's duration. Her left cornea was covered by a mem-brane extending over the inferior sector. We perfor-med therapeutic biopsy. Light microscopy showed stratified squamous cells. The superficial cells hadundergone keratinization without nucleus. By elec-tron microscopy, the superficial layers consisted of keratinized cells without nucleus. The deeper layers were characterized by accumulation of tonofila-ments in the cytoplasm and by dyskeratosis. There were numerous intercellular desmosomes. These findings led us to the diagnosis of corneal keratin-ization. The therapeutic biopsy was followed by eventual cure and improvement in visual acuity.


Copyright © 1992, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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