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infarct of left superior cerebellar artery-deficits? lesion in area 4. Blood supply to area of lesion? Where is the pons? Where is the thalamus? Smart? Lesion in area 17 Contralateral homonymous hemianopia Progressive optic nerve damage (indicated by the cup to disc ratio) caused by glaucoma. Notice the pale appearance of the nerve with the 0.9 cup as compared to the nerve with the 0.3 cup.-mechanisms of damage?---acuity? RAPD? DOES THIS HELP? Disease/problem/mechanism etc inputs, deep nucleus, lesion effects? VA-VL? lesion lesion? lesion D C B AA A=precentral? B=postcentral? D=SMA? C=? Arrow=postcentral sulcus T1 PATHWAYS AFFECTED AND DEFICITS! I KNOW, I KNOW!! Combined lesion of areas indicated by arrows? Any nystagmus or deafness? PONS= SQUARISH SCHWANNOMA OF CN 8 PROBLEMS? Lesion =hemiplegia, tongue deviation, uvula deviation, facial weakness? C B Please remember! A E D 5m 5s 7m PONS 7i 8a 8v 9 6 OLIVE PYRAMID 11 12 PLEASE REMEMBER!!!!!!! 10 LATERAL MEDULLARY SYNDROME WEBER SYNDROME (rostral alternating hemiplegia) lesion? lesions? PLEASE REMEMBER Gee, dare I try again—neuromelanin can be seen in the nigras of the brain on the right but NOT the left “ta dah!” Can she wrinkle her forehead on the right? “Central 7”=lesion of corticobulbars to 7 (in the CNS) “Peripheral 7”=lesion to CN 7 Think about where the lesion could be! Could the state of the face be a hint as to the location? PLEASE!!!! sub nigraother structures you know? ant limb putamen retro thalamus area 17 caudate thalamus anterior horn lateral ventricle posterior horn lateral ventricle caudate thalamus NOW GO TO: “CLINICAL GALLERY” ON THE NEURO WEBSITE THINK OF QUESTIONS???? I COULD ASK
