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WHO Classification of Tumours
Infiltrating basal cell carcinoma, NOS
Skin


Definition

Infiltrating basal cell carcinoma is a variant of basal cell carcinoma presenting as a pale, indurated plaque, usually on the upper trunk or face. The tumour is poorly delineated and composed of strands, cords and columns of basaloid cells which infiltrate the dermis. Perineural invasion is common and the basaloid cell infiltrate may extend into deeper tissues
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LeBoit PE, Burg G, Weedon D, Sarasin A (Eds.)
World Health Organization Classification of Tumours. Pathology and Genetics of Skin Tumours
3rd Edition
IARC Press: Lyon 2005



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