1
Q
What features present on a plain X-ray indicate osteomyelitis?
A
cortical erosion periosteal reaction mixed lucency sclerosis sequestra soft tissue swelling
2
Q
What are the advantages of using MRI scans over plain radiographs when diagnosing osteomyelitis?
A
shows marrow oedema in 3 days
delineates cortical, bone marrow and soft tissue inflammation
3
Q
What are the differential diagnoses for osteomyelitis?
A
soft tissue infection (cellulitis and erysipelas)
charcot joint (neuropathic arthropathy- progressive degen of weight-bearing joint)
avascular necrosis of bone due to radiation, steroid or bisphosphonate use
gout
fracture
bursitis
malignancy
