Background: To present a coincidence of macular telangiectasia type 2 and solitary retinal astrocytic hamartoma in\none patient.\nCase presentation: A 50-year-old woman was examined in the Department of Ophthalmology of University\nhospital Kralovske Vinohrady for complaints of metamorphopsia in her left eye. Her uncorrected visual acuity\n(VA) was 4/4 on Early Treatment Diabetic Retinopathy Study charts (ETDRS), on the retina of her left eye\nwhite, prominent, partially calcified tumour 1 disc diameter in diameter, 1,5 disc diameter from the foveola\nwas detected on the retina. In the macular region of both eyes, parafoveal greying with crystalline deposits\nand changes in retinal vasculature were visible. We performed following examinations: fluorescein angiography (FA),\nB-scan ultrasound, spectral domain optical coherence tomography (SD-OCT) including photo documentation.\nFA showed partial hyperfluorescence of mulberry-like surface of the tumour typical for retinal astrocytic\nhamartoma. Parafoveally in both eyes, leakage from parafoveal telangiectasia was apparent. SD-OCT showed\ncystoid space in the macular region of both eyes as well as changes in inner and outer photoreceptor\nsegment junction in left eye. SD-OCT of the tumour showed proliferation in retinal nerve fibre layer with\nnormal structure of underlying retinal layers and choroid. Ultrasound examination of the tumour detected\nsolid, highly echogenic prominent tumour with high reflectivity and acoustic shadow.\nConclusion: A coincidence of two relatively rare clinical units, macular telangiectasia type 2 and solitary\nastrocytic hamartoma was detected as a unique and rare observation.
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