Which of these can cause 3 rd nerve paralysis -a) Posterior communicating artery (PCA) aneurysmb) Tolosa – Hunt syndromec) Midbrain infarctd) Pons Infarcte) Lateral medullary lesion
Correct Answer: abc
Description: Causes of occulornotor nerve paralysis
Infarct, haemorrhage, demyelination, infection, tumor.
Aneurysm ofposterior communicating artery & basilar artery.
Aneurysm, infarct, compression, tumor, meningitis.
Internal carotid artery aneurysm, carotid-cavernous fistula, cavernous sinus thrombosis, tumors (pituitary adenoma, meningioma, metastasis), herpes zoster, Tolosa-hunt syndrome.
Infarction of nerve e.g. diabetes, giant cell arteritis.
Category:
Ophthalmology
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