QuestionSBA
QuestionChoice
This is a nuclear medicine scan primarily used to diagnose neuroendocrine tumours. Nuclear medicine scans have a role in diagnosing osteomyelitis and technetium and indium scintigraphy scans may be used in the workup of osteomyelitis.
10035891
e
PET-CT Ga-68 Dotatate scan
QuestionChoice
This is less accurate in diagnosing osteomyelitis with reduced sensitivity and specificity compared to MRI.
10035888
b
Plain radiograph
QuestionChoice
This has low overall sensitivity and specificity in diagnosing osteomyelitis but is superior in delineating the bony margins of the foot.
10035889
c
CT
QuestionChoice
This is correct. This is suggestive of a diagnosis of osteomyelitis which is much more common in diabetic patients with non-healing foot ulcers. MRI is the most sensitive imaging modality to confirm osteomyelitis.
10035887
a
Magnetic resonance imaging
QuestionChoice
This has little role in the direct assessment of osteomyelitis, as it is unable to visualise within the bone.
10035890
d
Ultrasound
Concept
Chapter
2693
6164
Osteomyelitis
Topic
145
Orthopaedics
19581
Osteomyelitis frequently complicates diabetic foot ulcers, and MRI is the most sensitive imaging modality for its diagnosis.
A 67-year-old man with poorly controlled diabetes attends the emergency department with fever and severe pain overlying his left first toe. A diabetic foot ulcer is noted on inspection with surrounding erythema.

What is the most appropriate imaging modality in this case?
a