Postgraduate medical journal
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A 47 year old male insulin-dependent diabetic developed two synchronous life-threatening Clostridium perfringens infections under unusual circumstances. Numerous sterile abscesses were also present, being the result of regular pentazocine intramuscular injections. ⋯ The patient made an excellent functional recovery. The pathogenesis of gas gangrene after injection is discussed with particular reference to the diabetic patient.