This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
Therapeutic conisation is indicated in: September 2009 
Select and explain. 
A. CIN III, B. Cervical metaplasia, C. Microinvasive carcinoma, D. Unsatisfactory colposcopy with cervical dysplasia
A: CIN III
Answer: A: CIN III 
Explanation: Ans. A: CIN III Conization of the cervix is defined as excision of a cone-shaped or cylindrical wedge from the cervix uteri that includes the transformation zone and all or a poion of the endocervical canal. It is used for the definitive diagnosis of squamous or glandular intraepithelial lesions, for excluding microinvasive carcinomas, and for conservative treatment of cervical intraepithelial neoplasia (CIN)