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Paracentral acute middle maculopathy after vitrectomy Ayano Tanaka 1 , Kentaro Kurata 2 , Tomoyuki Yamazaki 2 , Yoshihiro Hotta 2 1Department of Ophthalmology, Chutoen General Medical Hospital 2Department of Ophthalmology, Hamamatsu University Hospital pp.534-541
Published Date 2021/4/15
DOI https://doi.org/10.11477/mf.1410213968
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Abstract Purpose:To report a case of paracentral acute middle maculopathy(PAMM)after vitrectomy for proliferative diabetic retinopathy(PDR).

Case:A 49-year-old woman with a best-corrected visual acuity(BCVA)of 0.4 in her left eye underwent left eye vitrectomy for vitreous hemorrhage secondary to PDR. The postoperative fundus examination revealed a gray macular lesion. Optical coherence tomography(OCT)showed a hyperreflective band at the inner nuclear layer. Based on these findings, a diagnosis of paracentral acute middle maculopathy(PAMM)was made. Lesions were observed supero-nasal to the fovea in en face OCT. OCT angiography(OCTA)demonstrated areas of capillary dropout in the deep retinal capillary plexus. The Humphrey field analyzer showed paracentral scotoma. Approximately 1 month after surgery, the gray macular lesion on fundus examination and the hyperreflective band on OCT disappeared, but the areas of capillary dropout in the deep retinal capillary plexus on OCTA remained. Focal macular electroretinograms at the second month after surgery showed reduced b-wave amplitudes. At the latest examination, her BCVA was 1.2 in the left eye, and the paracentral scotoma remained.

Conclusion:Although the visual prognosis of PAMM is generally considered to be relatively good, paracentral scotoma affects the patient's quality of life. Surgeons should recognize this complication of vitrectomy.


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

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