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+--- Thread: headache - zkadhem (/showthread.php?tid=158053)
headache - zkadhem - ArchivalUser - 02-01-2007
7-32. A 55-year-old woman complains of headaches and is subsequently diagnosed as having a tumor localized to the left parietal lobe. In addition to a variety of sensory deficits, further examination also reveals a reduction in her visual fields. The most likely visual deficit would include
a. Left homonymous hemianopsia
b. Right homonymous hemianopsia
c. Left upper quadrantanopia
d. Right upper quadrantanopia
e. Right lower quadrantanopia
0 - ArchivalUser - 02-01-2007
b..??....lesion in left optic tract?
0 - ArchivalUser - 02-01-2007
dddddddd destruction of medial optic radiation going to cuneus
0 - ArchivalUser - 02-01-2007
sorry i mean eeeeeeee as medial fibre bring sensation from upper retina
0 - ArchivalUser - 02-01-2007
sorry i mean eeeeeeee as medial fibre bring sensation from upper retina
0 - ArchivalUser - 02-01-2007
eeeeeeeeeeeeeeeeeee
0 - ArchivalUser - 02-01-2007
7-32. The answer is e. Fibers from the left lateral geniculate destined for the upper bank of the calcarine fissure will mediate visual impulses associated with lower quadrants of the right visual fields for both eyes. This deficit is referred to as a right lower quadrantanopia.