Syme's amputation is an amputation at:
|A||Mid torsal joint|
|D||Below knee joint|
Lisfranc's amputation through intertarsal joint
a. Syme's amputation: of the foot at the ankle joint with removal of both malleoli.
b. Pirogoff's amputation: amputation at ankle, part of the calcaneus being left in the lower end of stump.
c. Tuberculous arthritis heals by fibrosis and cause fibrous ankylosis