Adult Tumors

Question 1

Tumors that cause hearing loss in adults

Answer 1

Tumors at the cerebellopontine area which cause cranial nerve “7”. 1.vestibular schwannoma
2. Meningioma Surface tumors plus (whorls with psammoma body)

Question 2

Spinal cord tumors types examples

Answer 2

1. Intramedullary space ex- ependymoma, astrocytoma
2. Intradural extra medullary space- EX neural sheath tumors( schwannoma neurofibroma)
   meningiomas
3. Extradural space - vertebral metastases

Question 3

Increased epidermal growth factor receptors

Answer 3

Glioblastoma multiforme
Clinical features- headache brain mass motor weakness
Cause - oncogenic
Mutation increase epidermal growth factor receptor
increase epidermal growth factor increase growth signal
increase cell survival &multiplication