Juvenile pilocytic astrocytoma masquerading as amblyopia |
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Authors: | S Roh L Mawn TR Hedges |
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Affiliation: | New England Eye Center, Tufts University School of Medicine, Boston, MA 02111, USA. |
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Abstract: | 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. |
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