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A case of lattice corneal dystrophy with p.(L527R)mutation in the TGFBI gene Koki Yasumi 1 , Kazutoshi Nojima 1 , Katsuhiro Hosono 1 , Yoshihiro Hotta 1 1Department of Ophthalmology, Hamamatsu University School of Medicine pp.1120-1125
Published Date 2020/9/15
DOI https://doi.org/10.11477/mf.1410213673
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Abstract Purpose:To report a case of lattice corneal dystrophy with binocular asymmetric corneal opacity in which genetic testing revealed heterozygous p.(L527R)mutation of TGFBI gene.

Case:A 78-year-old man arrived at a general hospital with the chief complaint of poor improvement in visual acuity after undergoing right eye lens reconstruction at a nearby ophthalmology clinic. Despite consulting multiple ophthalmology clinics, the patient had not received a satisfactory response. At presentation, the patient's visual acuity was 0.7 in the right eye and 0.8 in the left eye, with lattice corneal opacity of the right eye and very slight opacity in the deep corneal stromal layer of the left eye. Intraocular lens implantation was performed for the right eye, while grade 2 nuclear cataract was observed for the left eye. As a case of binocular asymmetric lattice corneal opacity, there was a possibility of the corneal dystrophy due to heterozygous p.(L527R)mutation in the TGFBI gene. Therefore, genetic testing was performed using peripheral blood.

Results:We identified heterozygous p.(L527R)mutation of TGFBI gene.

Conclusion:The TGFBI gene p.(L527R)mutation is relatively mild and rarely causes vision loss, but is thought to cause vision loss in the elderly.


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

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