Peripheral Nervous System and Skeletal Muscle

Question 1

Most common chronic acquired peripheral neuropathy

Answer 1

Chronic inflammatory demyelinating poly(radiculoneuropathy) (CIDP)

Question 2

Most common inherited peripheral neuropathy

Answer 2

Charcot-Marie Tooth disease

Question 3

Heliotrope rash and Gottron papules seen in

Answer 3

Dermatomyositis

Question 4

Verocay bodies, S-100 (+), associated with NF-2

Answer 4

Schwannoma

Question 5

CD 34 (+), “bag of worms”, “shreded carrot”, associated with NF-1

Answer 5

Neurofibroma

Question 6

NF 1 vs NF 2 chromosomal involvement

Answer 6

NF1: ch 17
NF2: ch 22

Question 7

Associated with Lisch nodules and Cafe au lait spots

Answer 7

NF 1