Cervical erosion – Causes, signs and treatment

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Cervical erosion is the inflammation of  cervical cells which causes vaginal discharge, bleeding during sexual intercourse and in between periods.

Cervical erosion – Causes, signs and treatmentCervical erosion is one of the reasons women seek gynecological advice, of which some are admitted and more are treated as outpatients. Cervical erosion is a very common finding on routine gynecological examination of a woman during her childbearing years.

Erosion is defined as wearing away of tissue. The cervix is lined by two types of cells- outer part by flat squamous cells and the inner part by glandular cells that secrete mucus (columnar). Thus the term cervical erosion is something of a misnomer as the squamous lining of the cervix is not lost but replaced by the columnar epithelium of the inner cervix (endocervix). Therefore the term ectropion is now more prevalent. As the time elapses, squamous metaplasia may occur in this columnar epithelium.

Causes of cervical erosion

Though cervical erosion is a common finding during fertile years, its significance is variable. Causes of erosion can be trauma, chemicals, infections or carcinoma. Trauma of multiple childbirths, tampon use or an intrauterine contraceptive device especially if used for a long period can cause erosion. Cervical erosion is commonly related to the effect of hormones and is seen in young women taking oral contraceptive pills.

Acute and chronic infections are common causes of erosion. The duration of infection is more important than the type. The most serious concern with cervical erosion is its likely predisposition to cause cervical cancer. Cervical erosions are more common in women of lower socioeconomic groups, women with poor general hygiene, with early marriage and multiple pregnancies. These are also the risk groups for cervical dysplasia which are precancerous lesions.

Signs and symptoms of cervical erosion

Cervical erosion is mostly an incidental finding on routine gynecological examination in women. Commonly it is present in asymptomatic females. The common symptoms associated with cervical erosion are – vaginal discharge or leucorrhoea, pain, difficulty in passing urine, post coital bleeding.

The frequency of infection is more as the changes in the epithelium due to cervical erosion creates a favorable milieu for organisms to grow. On gynecological examinations cervix appears red and granular. Pap smear is usually normal, but may show signs of infection or some abnormal cells. Therefore Pap smear usually helps to decide if treatment is needed or not. Cone biopsy is done if indicated.

Treatment of cervical erosion

Mostly cervical erosion is present in women who do not have any symptoms and thus no specific treatment is advised.

Usually a spontaneous regression takes place after the squamous metaplasia, but treatment can speed up this process. It is only if the patient with cervical erosion presents with a specific complaint e.g. excessive vaginal discharge or post coital bleeding then treatment is advised for the underlying cause like infection.

Treatments usually advised are cryocauterization, electrocoagulation, and cautery with laser or drug treatment.

Cervical erosion with dysplastic changes on Pap smear should be investigated for precancerous changes and be regularly followed up as these may lead to cervical malignancies. It is recommended that cervical erosions in women of non-child bearing age should be investigated and treated as these could be suspicious.

Photograph via sxc.hu

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