Cryosurgery is generally used to prevent local recurrence, the chemi calor method used commonly for treatment of GCT is
a. Through curettage might leave minute foci of tumor beyond the periphery of the main tumor mass. These minute foci can be eradicated by cryosurgery.
b. Thorough curettage of the tumor followed by instillation of liquid nitrogen appears to greatly reduce the rate of local recurrence