Journal of the American Optometric Association · 1993
Superior quadrant visual field loss secondary to temporoparietal craniectomy for brain abscess.
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Nelson G A, Townsend J C, Ilsen P F, Bright D C
Аннотация
BACKGROUND: Visual field defects occur from a variety of causes. As a result, the differential diagnosis of visual field defects and their etiology is important.
METHODS: A 64-year old white male was examined in follow up related to the surgical removal of a right temporal lobe abscess secondary to a childhood right side mastoidectomy. The patient underwent ophthalmic examination, which suggested possible changes in his field of vision, and neurobehavioral evaluation related to his visual field defect, a left homonymous superior quadrant defect.
RESULTS: Computed tomography (CT) scan of the head without contrast enhancement confirmed the ophthalmic diagnosis and correlated with the patient's medical history. However, neurobehavioral evaluation revealed a number of deficits that were believed to be associated with alcohol abuse.
CONCLUSIONS: Visual field loss with changing vision symptoms and a complex history can confound the differential diagnosis of visual field defects. Frequently careful and complete evaluation can confirm and reveal subsequent diagnoses.
METHODS: A 64-year old white male was examined in follow up related to the surgical removal of a right temporal lobe abscess secondary to a childhood right side mastoidectomy. The patient underwent ophthalmic examination, which suggested possible changes in his field of vision, and neurobehavioral evaluation related to his visual field defect, a left homonymous superior quadrant defect.
RESULTS: Computed tomography (CT) scan of the head without contrast enhancement confirmed the ophthalmic diagnosis and correlated with the patient's medical history. However, neurobehavioral evaluation revealed a number of deficits that were believed to be associated with alcohol abuse.
CONCLUSIONS: Visual field loss with changing vision symptoms and a complex history can confound the differential diagnosis of visual field defects. Frequently careful and complete evaluation can confirm and reveal subsequent diagnoses.