American journal of ophthalmology · 1997
Juvenile pilocytic astrocytoma masquerading as amblyopia.
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Roh S, Mawn L, Hedges T R
Аннотация
PURPOSE: A healthy 13-year-old girl, previously diagnosed with amblyopia in her right eye, was seen in consultation after her vision continued to decrease.
METHODS: A complete ophthalmologic examination including visual field testing and optic nerve photography was performed in the neuro-ophthalmologic clinic. Magnetic resonance imaging study was also obtained.
RESULTS: Visual sensory deficits and pale optic nerves were noted on clinical examination. Visual field testing showed a chiasmatic junctional defect. Magnetic resonance imaging verified a large chiasmatic mass, histologically proven to be a juvenile pilocytic astrocytoma.
CONCLUSION: Early recognition of signs and symptoms of chiasmatic lesions is essential for preventing visual loss.
METHODS: A complete ophthalmologic examination including visual field testing and optic nerve photography was performed in the neuro-ophthalmologic clinic. Magnetic resonance imaging study was also obtained.
RESULTS: Visual sensory deficits and pale optic nerves were noted on clinical examination. Visual field testing showed a chiasmatic junctional defect. Magnetic resonance imaging verified a large chiasmatic mass, histologically proven to be a juvenile pilocytic astrocytoma.
CONCLUSION: Early recognition of signs and symptoms of chiasmatic lesions is essential for preventing visual loss.