23: PNS - Clinical

Question 1

radiculopathy

Answer 1

nerve sx from a nerve root (C6, L3, etc.)

Question 2

MC cervical and lumbar radiculopathies

Answer 2

1. Cervical: C7

2. Lumbar: L5,S1

Question 3

mononeuropathy, poly, and mononeuropathy multiplex

Answer 3

1. mononeuropathy: single nerve
2. polyneuropathy: diffuse, symmetric dz
3. mononeuropathy multiplex: focal involvement of 2+ nerves

Question 4

pain vs parasthesias: which is from large myelinated fiber damage vs small unmyelinated

Answer 4

1. large myelinated: parasthesias

2. Small unmyelinated: pain (burning, dysesthesia, hyperalgesia)

Question 5

morton neuroma

Answer 5

matatarsalgia -> perineural fibrosis