Infectious and Neoplastic Diseases Flashcards Preview

Clin Med II MSK > Infectious and Neoplastic Diseases > Flashcards

Flashcards in Infectious and Neoplastic Diseases Deck (17)
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1

Most common cause of osteomyelitis in adults

Staph aureus

2

What dz can mask osteomyelitis?

DM
- If foot ulcer is >2x2cm, suspect osteomyelitis

3

How to diagnose osteomyelitis?

Blood culture or need aspiration/bone bx

4

Triad of signs seen on xray of osteomyelitis

Demineralization
Periosteal reaction
Bone destruction

5

Why is it important to treat osteomyelitis?

To avoid SEPSIS

6

Who is at risk for septic arthritis?

Underlying joint dz (RA) or immunosuppressed

7

What is the most common cause of monoarticular arthritis? This can be migratory

Gonorrhea

8

How to diagnose septic arthritis

Arthrocentesis, joint fluid aspirate

9

Most common bone malignancy in adolescents

Osteosarcoma

10

Chondrosarcoma

CA of cartilage

11

Osteochondroma

Benign bone tumor, begins in childhood

12

Cause of Ewing's sarcoma

After radiation or chemo

13

What is seen on xray of osteosarcoma

"Sun ray/burst"

14

What is seen on xray of Ewing's sarcoma

"Onion peel"

15

What is seen on xray of Chondrosarcoma

Ring and arc appearance

16

What is seen on xray of Osteochondroma

Grows away from growth plate

17

What is important about Baker's cyst?

Can mimic a DVT (calf pain)