Adult Osteomyelitis Flashcards
1
Q
What is the classification for adult osteomyelitis?
A
Cierny; based on anatomic location 1-4 and host type A-C 1- Medullary 2- Superficial 3- Localized 4- Diffuse A- Normal B- Compromised C- Treatment more harmful than infections
2
Q
What is the timing of acute, subacute and chronic osteomyelitis?
A
Acute- within 2 weeks
Subacute- several weeks to months
Chronic- several months
3
Q
What are the definitions of sequestrum and involucrum?
A
sequestrum: devitalized bone that serves as a nidus for infection
involucrum: formation of new bone around an area of bony necrosis
4
Q
What is the gold standard for directing abx in osteomyelitis?
A
bone biopsy
5
Q
What is the name of a malignancy born out of a chronic draining ulcer d/t osteomyelitis?
A
Marjolin’s ulcer; usually squamous cell carcinoma
6
Q
What location of long bones heals best?
A
Metaphysis
