58 yr old lady presented with c/c
- — Vertigo -4 weeks
- — Diplopia , right sided hearing impairment and tinnitus, gait ataxia-3 weeks
- — No history s/o facial asymmetry, lower cranial neuropathy
- — No h/o headache, vomitings, seziures, motor/sensory deficits
- — Known h/o HT-on regular treatment
EXAMINATION
- — Fundii-no pappilodema
- — Right ptosis
- — Gaze evoked nystagmus
- — Right 6th, right 8th nerve paresis
- — Right cerebellar signs
INVESTIGATIONS
- — Pure tone audiometry-lower frequency moderate loss of hearing on right side
- — MRI brain-B/L cerebellopeduncular and vermian lesions
- — PET scan-increase uptake in bilateral cerebellopeduncular and vermis
TREATMENTS
- — Right retrosigmoid craniotomy with microsurgical tumor decompression of right cerebellar peduncle lesion done under GA on 19.07.2011
- — Findings-greyish, soft to firm, intraaxial, mildly vascular, infilterating lesion attached to 7th, 8th nerve root entry zone, tumor attached to brainstem and cranial nerves left, rest excised
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