Bone & Joint Infections · NEET PG Preparation Orthopaedics
A 7-year-old boy presents with high-grade fever, severe pain, and inability to bear weight on his right lower limb for 3 days. On examination, there…
Practice question from Bone & Joint Infections (NEET PG Preparation Orthopaedics), with the correct answer and a step-by-step solution.
medium · MCQ · Q-8CB730
A 7-year-old boy presents with high-grade fever, severe pain, and inability to bear weight on his right lower limb for 3 days. On examination, there is local warmth, tenderness, and swelling over the right proximal tibia. Radiographs of the tibia are normal. Which of the following is the most sensitive imaging modality for early diagnosis of acute osteomyelitis in this patient?
- A.Plain radiography
- B.Magnetic Resonance Imaging (MRI)Correct answer
- C.Technetium-99m bone scan
- D.Computed Tomography (CT)
Solution
Magnetic Resonance Imaging (MRI) is the most sensitive and specific imaging modality for the early diagnosis of acute osteomyelitis, able to detect bone marrow edema within 3 to 5 days of symptom onset, whereas plain radiographs may remain normal for 10-14 days.
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