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Pakistan Journal of Biological Sciences
Year: 2011  |  Volume: 14  |  Issue: 10  |  Page No.: 600 - 604

Association of Pap Smear Abnormalities with Autoimmune Disorders

Heidarali Esmaeili and Kazem Ghahremanzadeh    

Abstract: Recently, it is hypothesized that there might be an association between immunological disorders and cervical premalignant and malignant abnormalities. Related studies have been generally focused on some particular autoimmune disease, specially the Systemic Lupus Erythematosus (SLE). This study aimed at comparing the rate of Pap smear abnormalities in female patients with autoimmune diseases and normal counterparts. In a case-control setting, 118 female patients with various autoimmune diseases (the case group) and 118 healthy female counterparts (the control group) were recruited in Tabriz Imam Reza Teaching Centre in a 24 months period of time. The two groups were matched for demographics and known risk factors of cervical malignancy. Frequencies of abnormal Pap smear testing were compared between the two groups. The autoimmune disorders were SLE (74 patients), rheumatoid arthritis or RA (32 patients), systemic sclerosis or SS (7 patients) and ankylosing spondylitis or AS (5 patients) in the case group. Frequency of abnormal Pap smear testing was significantly higher in the case group comparing with that in the controls (7.6% vs. 1.7%; p = 0.03). Frequency of abnormal Pap smear testing was higher in the patients with SLE (8.1%) and RA (9.3%) comparing with that in the controls; However, these differences were marginally nonsignificant (p = 0.06 and p = 0.07, respectively). Frequency of cases with abnormal Pap smear testing was not statistically different between the autoimmune disorders (p = 0.99). Based on these findings and in conclusion, there might be an association between the autoimmune disorders and occurrence of premalignant or malignant lesions in cervix. Further studies with larger samples sizes are recommended.

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