Management of Squamous Atypia (Borderline Nuclear Abnormalities): Repeat Cytology or Colposcopy?

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Abstract
A prospective cytological, colposcopic and histological study was conducted in 44 women with cervical cytology showing borderline nuclear abnormalities insufficient for the diagnosis of dyskaryosis. Atypical squamous epithelium was found on colposcopy in 41 patients and cervical intraepithelial neoplasia (CIN) was diagnosed on histology in 33 patients (75%) including 10 with CIN 3. Repeat cytology obtained under colposcopic vision was negative in 12 (33.4%) patients with CIN. The high prevalence of CIN in smears showing only borderline nuclear abnormalities and the high false negative rate of repeat cytology indicate that colposcopy should be the first line of management for these patients.