Which of the following is not true regarding cryosurgery: March 2011: (A) Done without anaesthesia, (B) Temperature is below freezing point, (C) Done in CIN, (D) Nitrous oxide is widely used
Answer is D. Ans. D: Nitrous oxide is widely used Cryosurgery is suited for small lesions (dysplasia and CIN) It is done as an OPD procedure without analgesia CO2 (-60 degree C), Freon (-60 degree C) and nitrous oxide (-80 degree C) are the freezing agents