Cervical cancer examination

Cervical cancer screening:

Cervical cancer examination generally includes cervical smear cytology examination, cervical iodine test, colposcopy, cervical and endocervical canal biopsy, etc.

1. Cervical smear cytology is the main method for cervical cancer screening, and samples should be obtained from the cervical transformation zone.

2. Cervical iodine test: The normal cervical and vaginal squamous epithelium is rich in glycogen and is stained with iodine solution to appear brown or dark brown. The unstained area indicates that the epithelium lacks glycogen and may have lesions. In the iodine-unstained area, material biopsy can improve the diagnosis rate.

3. Colposcopy, cervical scraping cytology examination Pap test grade three or above, TBS is divided into squamous intraepithelial neoplasia, suspicious cancerous areas should be selected under colposcopy for cervical biopsy.

4. Biopsy of the cervix and endocervical canal is a reliable basis for diagnosing cervical cancer and cervical precancerous lesions. The tissue should include stroma and adjacent normal tissue. The cervical scraping is positive, but the cervix is ​​smooth or the cervical biopsy is negative. Use a small scraper to scrape the endocervical canal, and the scrapings are sent for pathological examination.