Histopathologic and Cytologic Follow-Up in High Risk Male Patients with Unsatisfactory Anal Cytology

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Abstract

Objective. Anal cytology is being increasingly used as part of anal cancer screening in patients at high risk for anal neoplasia. Most studies in anal cytology have focused on correlating the abnormal anal Pap smear with histopathologic outcomes. The aim of this study was to document histopathologic or repeat anal cytology outcomes in patients with unsatisfactory cytology. Materials and Methods. Unsatisfactory anal Pap tests in high risk male patients were correlated with follow-up histopathologic diagnoses or cytology. Results. 1205 anal tests were performed during the study period and 214 (17.8%) were unsatisfactory. Adequate follow-up cytology was available in 75 cases and revealed epithelial cell abnormality (ECA) in 40% [30/75] (atypical squamous cells of undetermined significance (ASCUS) [20%] and low-grade squamous intraepithelial lesions (LGSIL) [20%]) and was negative for intraepithelial lesion or malignancy (NILM) in 60% [45/75] of cases. 28.7% of unsatisfactory Pap smears had unsatisfactory repeat cytology. Histopathological follow-up on these unsatisfactory Pap smears revealed anal intraepithelial neoplasia (AIN) 1 and AIN 2/3 or 2/3+ in 39% and 18% of the total number of biopsy cases, respectively. Conclusions. High risk male patients with unsatisfactory Pap smears are at significant risk of epithelial cell abnormality and histopathologically verifiable anal intraepithelial lesions.

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Zaccarini, D. J., & Khurana, K. K. (2017). Histopathologic and Cytologic Follow-Up in High Risk Male Patients with Unsatisfactory Anal Cytology. Pathology Research International, 2017. https://doi.org/10.1155/2017/9780213

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