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2016 ; 32
(2
): 516-8
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Delayed visual loss due to radiation retinopathy
#MMPMID27182273
Uzun S
; Toyran S
; Akay F
; Gundogan FC
Pak J Med Sci
2016[Mar]; 32
(2
): 516-8
PMID27182273
show ga
Radiation retinopathy remains a devastating cause of visual morbidity in patients
undergoing radiation for globe, orbit, and head and neck malignancies. A
65-year-old female was admitted with the complaint of low vision in the right eye
for two months. Best corrected visual acuity was 20/32 in the right eye and 20/25
in the left eye. Slit lamp examination was normal in both eyes. Fundoscopic
examination revealed perifoveolar hard exudates, paramacular microhemorrhages,
telangiectasias, and macular degeneration in both eyes. Fundus florescein
angiography showed enlargement of the foveal avascular zone, perifoveal capillary
telangiectasia, and widespread venous beading bilaterally. Optical coherence
tomography revealed bilateral cystoid macular edema. The prediagnosis of diabetic
retinopathy was not confirmed because of the absence of diabetes mellitus after
endocrinologic evaluation. Detailed medical history explored external beam
radiotherapy to the head and neck region for nasopharyngeal cancer 10 years ago.
The ultimate diagnosis was radiation retinopathy.
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