D06.0

Clinical Causes: Persistent infection with high-risk HPV types (most notably HPV 16 and 18) Smoking, which may impair immune response and promote HPV persistence Weakened immune system, such as in HIV infection or immunosuppressive therapy Multiple sexual partners or early sexual activity, increasing exposure risk History of abnormal Pap smear results Socioeconomic factors that limit access to regular cervical screening Other genetic or environmental factors influencing cervical cell changes

Key Symptoms: Usually asymptomatic in early stages Irregular vaginal bleeding, especially between periods or after menopause Unusual vaginal discharge that may be watery, bloody, or foul-smelling Pelvic discomfort or pain in some cases Post-coital bleeding or spotting No noticeable symptoms often lead to incidental discovery during routine screening

Diagnosis Path: Pap smear (Papanicolaou test): First-line screening tool to detect abnormal cervical cells Colposcopy: A detailed visual examination of the cervix using a special microscope to identify suspicious areas Biopsy: Removal of a small tissue sample from abnormal areas for microscopic examination Histopathological analysis: Confirms carcinoma in situ by identifying cancerous cells confined within the epithelial layer HPV testing: Detects high-risk HPV types associated with cervical neoplasia Additional imaging or tests: Rarely required but may be performed if invasive disease is suspected

Treatment Protocols: Cryotherapy: Freezing abnormal cells to destroy them Loop Electrosurgical Excision Procedure (LEEP): Using a thin wire loop with an electric current to remove abnormal tissue Conization: Surgical removal of a cone-shaped section of cervical tissue containing abnormal cells Follow-up Pap smears and HPV testing: Regular surveillance to monitor for recurrence or new lesions HPV vaccination: Prevention of infection by high-risk HPV types, reducing future risk Lifestyle modifications: Quitting smoking and practicing safe sexual behaviors to lower risk factors