Different recurrence patterns after phototherapeutic keratectomy in the corneal dystrophy resulting from homozygous and heterozygous R124H big-H3 mutation - 03/09/11
, Shuji Yamamoto, MD a, Yumiko Inoue, MD a, Masaki Okada, MD a, Yuichi Hori, MD a, Naoyuki Maeda, MD a, Yoshitsugu Inoue, MD a, Kozaburo Hayashi, MD b, Yoshikazu Shimomura, MD c, Yasuo Tano, MD aAbstract |
PURPOSE: To report the recurrence pattern of corneal deposits after phototherapeutic keratectomy in patients with corneal dystrophies resulting from homozygous and heterozygous Arg124His (R124H) mutation of the BIG-H3 gene.
METHODS: Slit-lamp examination was performed on patients with corneal dystrophy resulting from a genetically confirmed BIG-H3 R124H mutation.
RESULTS: The recurrence of corneal deposits after phototherapeutic keratectomy in patient with heterozygous R124H mutation was mild; the granular opacities occurred as spot lesions in the central cornea. The patient with a homozygous mutation had a more severe pattern, and the recurrent lesions were diffuse and occurred in the periphery between the corneal epithelium and laser-ablated stroma. The recurrence-free interval in homozygous patients was shorter.
CONCLUSION: The mutation genotype of BIG-H3 gene determines the recurrence pattern after phototherapeutic keratectomy.
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| ☆ | Supported in part by Grant-in-Aid 09671800 for Scientific Research from the Japanese Ministry of Education, Science, Sports and Culture, by a Health Science Grant from the Japanese Ministry of Health and Welfare, and by a grant from the Osaka Eye Bank Foundation (Dr. Watanabe). |
Vol 132 - N° 2
P. 255-257 - août 2001 Retour au numéroBienvenue sur EM-consulte, la référence des professionnels de santé.
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