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Three cases of macular telangiectasia(MacTel)type 2 with long-term follow-up Eriko Sogo 1,2 , Rie Osaka 2 , Ayana Yamashita 2 , Aoi Ono 2 , Hirokazu Kojima 2 , Yukiko Miyoshi 2 , Emiko Sugita 1 , Kiyoshi Suzuma 2 1Department of Ophthalmology, Kagawa Saiseikai Hospital 2Department of Ophthalmology, Kagawa University Faculty of Medicine pp.1451-1458
Published Date 2022/10/15
DOI https://doi.org/10.11477/mf.1410214538

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Abstract Purpose:To report cases of three patients with macular telangiectasia(MacTel)type 2 who underwent long-term follow-up.

Cases and Findings:Case 1 is a 42-year-old woman with best-corrected visual acuity(BCVA)of(0.4)in both eyes. Fundus examination revealed dilation of the retinal capillaries in the foveal area, located temporal to the fovea and cystoid space in the inner retinal layer of both eyes. The patient was diagnosed with bilateral MacTel type 2, non-proliferative stage, and visual acuity has been preserved from the past six years after the diagnosis. Case 2 is a 65-year-old woman with BCVA of(1.0)in both eyes. Fundus examination revealed loss of the ellipsoid zone in the right eye, and fluorescence angiography showed leakage from temporally located parafoveal telangiectasia in both eyes. She was diagnosed with bilateral MacTel type 2, non-proliferative stage. Eight years after the diagnosis, visual acuity has been preserved despite a slight increase in pigmentation. Case 3 is a 33-year-old man with BCVA of(0.9)in the right eye and(0.1)in the left eye. He was diagnosed with MacTel type 2, non-proliferative stage in the right eye and MacTel type 2, proliferative stage, in the left eye due to subretinal neovascularization(SRNV). Intravitreal bevacizumab(IVB)was administered twice for SRNV. During the course of the disease, SRNV also occurred in the right eye, for which IVB was administered. Since then, there has been no recurrence, and visual acuity has been preserved.

Conclusion:MacTel type 2 is a disease in which visual acuity is relatively preserved;however, when associated with SRNV, it can result in significant loss of vision. Therefore, regular follow-up is mandatory.


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

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