You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is In colposcopy, following are visualized except : and explain in detail?
Upper 2/3rd endocervix Colposcopy is a method to evaluate the changes in the terminal vascular network of the cervix, the transformation zone, Vagina and Fornix. In the cervix, upper 2/3"i of endocervix is not visualized by colposcopy (the maximum limit being 5 mm above the canal). A colposcope is a binocular microscope producing magnification of 5 - 15 times.deg Colposcopy is done after application of 3 - 5% acetic acid, to the abnormal area.deg It can detect cervical dysplasias, metaplasia and carcinoma in situ.deg Indications (very impoant) : In case of abnormal pap smear cytologydeg. To locate abnormal areas.deg To obtain directed biopsies.deg Conservative therapy under colposcopic guidance.deg For follow up of patients treated conservatively.deg Some other Indications : In case of unexplained intermenstrual or post coital bleeding. History of Inutero Diethylstilbestrol exposure. Vulva' or vaginal neoplasia. For more details on Colposcopy, see Chapter 12 B - CIN and Ca Cervix.