MSK path CIS

Question 1

if you look at tissue of guillain barre

Answer 1

onion bulbing– myelin degeneration

Question 2

onion skinning in spinal tumor in child

Answer 2

ewing

Question 3

angulation on muscle biopsy

Answer 3

atrophy of type II fibers

Question 4

what can cause atrophy type II fibers

Answer 4

DM
guillain barre
hyper and hypothyroid
corticosteroid myopathy

Question 5

what can cause burning tingling sensations on bottom of feet

Answer 5

toxic peripheral neuropathy

chemo drugs for example

Question 6

median nerve compression

Answer 6

thumb, index, middle and part of ring finger

carpal tunnel

Question 7

heliotrope rash and periorbital edema

Answer 7

dermatomyositis

Question 8

what would confirm Dx dermatomyositis

Answer 8

gottron papules

inflammation– perifascicular

Question 9

Dx of multiple myeloma

Answer 9

bone marrow Bx

Question 10

small teeth
blue sclera
broken bones in infant

Answer 10

ostegenesis imperfecta
Type I collagen
deaf- underdeveloped ossicles in ear

Question 11

what is thinning of bone

Answer 11

osteopenia

Question 12

what can cause osteomalacia

Answer 12

vit D deficiency

hyperPTH

Question 13

difference osteoid ostemoa and osteblastoma

what relieves these

Answer 13

osteoblastoma are bigger

aspirin

Question 14

osteosarcomas arise where in bone

Answer 14

metaphysis

Question 15

codmans triangle means what

Answer 15

aggressive

pushing into periosteum

Question 16

bone outgrowth covered by cartilage

Answer 16

osteochondroma

Question 17

ollier disease

Answer 17

many enchondromas

Question 18

XR shows metaphysis with floculent material

blue on histo– cartilagenous

Answer 18

chondrosarcoma

Question 19

chinese characters

Answer 19

fibrous dysplasia

Question 20

saber leg

Answer 20

bowing

fibrous dysplasia

Question 21

polyostotic fibrous dysplasia

Answer 21

multiple procedures to correct fractures

Question 22

bone growing so fast see onion skinning or starbusrt effect

Answer 22

ewings

Question 23

PAS stains what

Answer 23

glycogen

Question 24

PNET

Answer 24

rossetting

Question 25

bubble looking in bones with fluid fluid levels

Answer 25

aneurysmal bone cyst

Question 26

granulomatous lesion

Answer 26

rheumatoid nodules

Question 27

rheumatoid nodules most commonly where

Answer 27

elbow

Question 28

cross striations in skel muscle

Answer 28

scrap cell

rhabdo