A 32-year-old man sustains a crush injury to his midfoot in a road traffic accident. The foot cannot be salvaged, and the surgeon performs an amputation through the tarsometatarsal joints. This amputation level is known as:
- A Lisfranc amputation ✓
- B Chopart amputation
- C Boyd amputation
- D Pirogoff amputation
Correct answer: A. Lisfranc amputation
Explanation
The Lisfranc amputation is performed through the tarsometatarsal (Lisfranc) joint line, removing all toes and the metatarsals while preserving the tarsus. Chopart is through the midtarsal joints (talonavicular and calcaneocuboid), Boyd is a talonavicular disarticulation with calcaneal fusion to the tibia, and Pirogoff fuses part of the calcaneus to the tibia. The joint named in the stem directly identifies the eponym.
Reference: Bailey and Love's Short Practice of Surgery, 27th ed.
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