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Orthopaedics · Bone and joint infections: surgery for tuberculous paraparesis
Sample itemA 30-year-old with dorsal spine tuberculosis has had four weeks of antituberculous drugs, but his paraparesis is worsening. MRI shows an anterior abscess and caseous debris compressing the cord. Which approach is preferred?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Anterior decompression with debridement and stabilisation
Neurological deterioration despite chemotherapy is an indication for surgery. Because the disease and compression are anterior, the abscess is evacuated by an anterior or anterolateral approach with grafting and stabilisation. Laminectomy does not reach the anterior pathology and removes posterior stabilisers, worsening kyphosis and deficit.
Option by option
A. Anterior decompression with debridement and stabilisation (correct)
Correct. The anterior pathology is removed directly and the column is stabilised.
B. Posterior laminectomy alone
Laminectomy cannot reach the anterior disease and destabilises an already unstable spine.
C. Systemic corticosteroids alone
Steroids alone do not remove abscess or bone compressing the cord.
D. Continued drugs with bed rest in a plaster jacket
Waiting leaves a progressive deficit untreated when drugs have already failed to help.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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