Osteomyelitis

Question 1

Defintion

Answer 1

Infection in the bone and bone marrow (MC metaphysis of the long bones)

Question 2

Aetiology

Answer 2

Staph Aureus

Question 3

Types

Answer 3

Chronic osteomyelitis
Acute osteomyelitis

Question 4

Transmission

Answer 4

Direct = open fracture
Haematogenous

Question 5

Risk factors

Answer 5

Open bone fracture
Orthopaedic surgery
Immunocompromised
Sickle cell anaemia
HIV
Tuberculosis

Question 6

Presentation

Answer 6

Refusing to use the limb or weight bear
Pain
Swelling
Tenderness
Acute osteomyelitis: high fever

Question 7

Diagnosis

Answer 7

FIRST LINE: X-ray
GOLD STANDARD: MRI
Bloods:
- ESCR, CRP, WBC
- Cultures
Joint aspiration

Question 8

Management

Answer 8

Antibiotic therapy
Drainage and debridement of infected bone