[Treatment of chondrosarcoma of the tibia by cryosurgery. Apropos of 2 cases].

Two grade II central tibial chondrosarcomata of have been treated by extensive curettage and cryotherapy as described by Marcove. No recurrences or metastases were present after a follow-up of six and eight-and-a-half years respectively. A review of the treatment of these tumours was made and the advantages and disadvantages of liquid nitrogen considered. The indications for cryosurgery are described. The frequency and time of onset of recurrences and metastases is discussed in the light of published papers.