2 CASE REPORTS OF OPTIC CHIASMAL SYNDROME
Journal: University Journal of Surgery and Surgical Specialities (Vol.6, No. 2)Publication Date: 2020-03-02
Authors : BAVYA M;
Page : 85-87
Keywords : Optic chiasm; temporal field defect; papilledema; optic atrophy;
Abstract
The optic chiasm is one of the most important structures in neuro ophthalmologic diagnosis. The arrangement of visual fibres in the chiasm accounts for characteristic defects in the visual fields caused by such diverse processes as compression , inflammation , demyelination, ischemia and infiltration. Two cases are presented here. The first case presented with right temporal field defect with central scotoma of the left eye and bilateral papilledema. MRI SCAN showed it as suprasellar astrocytoma. The second case presented with temporal field defect and left eye optic atrophy. MRI SCAN showed it as pituitary macro adenoma or dorsal sella meningioma. Thus showing the importance of ocular examination in identifying intracranial tumours.
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Last modified: 2020-03-02 20:22:33