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neuro > Visual field defects > Flashcards

Visual field defects Flashcards

1
Q

Bitemporal superior hemianopia

A

Pressing optic chiasm from below - pituitary adenoma

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2
Q

Bitemporal inferior hemianopia

A

Pressing optic chiasm from above - craniopharyngioma

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3
Q

Homonymous hemianopia

A

Incongruous defect suggests optic tract lesion
Congruous suggests optic radiation/ occipital cortex
Macula sparing is occipital cortex

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4
Q

Homonymous quadrantinopias

A

PITS - Parietal inferior, temporal superior

*In reality occipital lobe lesions cause quadrantanopias

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neuro (17 decks)

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