The onset of cervical cancer does not happen overnight, and is mainly caused by the patient's bad living habits. Experts say that from a clinical point of view, cervical precancerous lesions should go through three levels. Which three levels? Let's understand the three levels of cervical precancerous lesions, hoping to help you fully understand cervical cancer. In fact, there are three types of cervical precancerous lesions: natural regression (or reversal), persistence (or lesion stability), and progression (or canceration). The rates of cervical precancerous lesions i, ii, and iii are 15%, 30%, and 45%, respectively. The risk of cervical cancer in patients with cervical precancerous lesions i, ii, and iii is 4 times, 14 times, 5 times, and 46.5 times higher than normal. Therefore, attention should be paid to the above levels and the related factors of medium and high risk transfer. HPV infection is the main factor for cervical cancer. The risk of cervical lesions progression in high-risk HPV persistent infection is 6.46 times that of low-risk. The relative risk of cervical cancer is 250 times that of normal women. The probability of cancer in patients with cervical precancerous lesions and HPV negative is low, and 2/3 of the cases can regress naturally. It has been observed that the natural evolution from cervical precancerous lesions to cancer usually takes about 10 years. It may not progress step by step, and the time may be shortened. However, with the increase of age, the reversal rate of cervical precancerous lesions gradually decreases, especially for those who are HPV positive, and they should be checked and treated immediately. Currently, patients with cervical precancerous lesions I and HPV-negative infection can be observed for 6 to 12 months and re-examined with TCT (membrane-based ultra-thin cytology test), or can undergo physical therapy; patients with cervical precancerous lesions I with HPV-positive and cervical precancerous lesions II can undergo Leep knife circumcision; patients with cervical precancerous lesions III can be hospitalized for cone biopsy, and the cone biopsy specimen can be sent for pathology, and the next step of treatment will be based on the pathological diagnosis. |
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