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目的:高度近視眼に生じた乳頭周囲脈絡膜分離症の報告。症例と所見:58歳女性が右眼視力低下で受診した。矯正視力は右0.4,左1.5で,右眼に約-5Dの近視があった。右眼の耳側コーヌスに接し,2.5乳頭径大の黄色の隆起があった。脈絡膜腫瘍が疑われたが,フルオレセイン蛍光眼底造影,インドシアニングリーン蛍光眼底造影,Bモード超音波検査,CT,磁気共鳴画像検査(MRI)などでこれは否定された。光干渉断層計(OCT)で脈絡膜分離が証明され,「病的近視での乳頭周囲【剥】離」と診断した。結論:乳頭周囲脈絡膜分離症は脈絡膜腫瘍に類似することがある。鑑別診断にはOCTが有用である。
Purpose:To report a case of peripapillary detachment in pathologic myopia(PDPM). Case and Findings:A 58-year-old woman presented with failing visual acuity in her right eye. Corrected visual acuity was 0.4 right and 1.5 left. Her right eye had myopia of about-5 diopters. An elevated yellow lesion was present in the right eye. It was 2.5 disc diameters across and was adjacent to the temporal conus. Choroidal tumor was suspected but was ruled out after fluorescein and ICG angiography, B-mode echography, computed tomography(CT)and magnetic resonance imaging(MRI). Optical coherence tomography(OCT)showed choroidal detachment and led to the diagnosis of PDPM. Conclusion:PDPM may show findings simulating choroidal tumor. OCT is essential in the differential diagnosis.
Rinsho Ganka(Jpn J Clin Ophthalmol)60(8):1509-1512, 2006
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