This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gynaecological diagnosis and operative surgery, Subject name: Gynaecology & Obstetrics
Cryosurgery is effective in all except 
Select and explain. 
A. Chronic cervicitis, B. Squamous intraepithelial lesion, C. Condyloma accuminata, D. Cases with severe dysplasia or CIS lesion
D: Cases with severe dysplasia or CIS lesion
Answer: D: Cases with severe dysplasia or CIS lesion 
Explanation: Indications of cryosurgery Cervical ectopy Benign cervical lesions CIN Condyloma accuminata Leukoplakia VIN < 2cms size VAIN Vault granulation tissue Palliative measure to arrest bleeding in CA cervix or large fungating recurrent vulval carcinoma Ref: D.C.DUTTAS TEXTBOOK OF GYNECOLOGY; 6th edition; Pg no:591