Extramedullary Cranial Nerve Syndromes Flashcards
What nerves are impacted at the sphenoid fissure?
CN III, IV, V1, V2, VI
What can cause sphenoid fissure syndrome?
Tumor of sphenoid bone, aneursym
What nerves are impacted at the cavernous sinus?
CN III, IV, V1, V2, VI
What can cause cavernous sinus syndrome?
Aneurysm or thrombus of cavernous sinus, tumor
What nerves are impacted at the retrosphenoidal space?
CN II, III, IV, V, VI
What can cause retrosphenoidal space syndrome?
Aneurysm or thrombus of cavernous sinus, tumor
What nerves are impacted at apex of petrous bone?
CN V, VI
What can cause apex of petrous bone syndrome?
Tumors affecting petrous part of temporal bone, infection
What nerves are impacted by posterolateral pharyngeal recess?
CN V, IX, X + conductive hearing loss
What can cause posterolateral pharyngeal recess syndrome?
nasopharyngeal carcinoma (Trotter’s syndrome)
What nerves are impacted by internal auditory meatus?
CN VII, VIII
What can cause internal auditory meatus syndrome?
schwannoma, tumor affecting petrous temporal bone
What nerves are impacted by jugular foramen?
CN IX, X, XI
What can cause jugular foramen syndrome?
Tumor, aneursym
What nerves are impacted by posterior lateral condylar space?
CN IX, X, XI, XII
