A 50-year-old man presents with a painless, slowly enlarging swelling over the right greater trochanter for 5 months. There is no local warmth or erythema. Aspiration yields caseous material. Chest X-ray shows healed pulmonary tuberculosis. Which bursa is most commonly involved in tuberculous bursitis?
- A Subacromial bursa
- B Olecranon bursa
- C Trochanteric bursa ✓
- D Prepatellar bursa
Correct answer: C. Trochanteric bursa
Explanation
The trochanteric bursa is the most commonly affected bursa in tuberculous bursitis, followed by the subacromial and subdeltoid bursae. It presents as a painless swelling over the greater trochanter with caseous material on aspiration. Olecranon and prepatellar bursitis are more commonly pyogenic or inflammatory.
Reference: Bailey and Love's Short Practice of Surgery, 28th ed.
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