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WHO Classification of Tumours
Adenoid basal carcinoma
Cervix uteri


Adenoid basal carcinoma is a rare, low-grade variant of basal cell carcinoma characterized by nests and cords of generally well differentiated, small basaloid cells with focal gland formation or, in some cases, central squamous differentiation. The basaloid cell nests are almost always found beneath cervical intraepithelial neoplasia (CIN). They often arise from CIN or from small invasive squamous cell carcinomas.
Adenoid basal carcinoma usually arises in women >50 years of age. Patients are typically asymptomatic; the tumour is often discovered incidentally. Metastases are rare

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Tavassoli FA, Devilee P (Eds.)
World Health Organization Classification of Tumours. Pathology and Genetics of Tumours of the Breast and Female Genital Organs.
3rd Edition
IARC Press: Lyon 2003