We report a rare case of adamantinoid basal cell carcinoma (BCC). A 75-year-old woman presented with a 7 X 7mm black nodule with bloody crust on her right jaw. The tumor was totally excised. Histopathological examination revealed that the tumor mass was mainly situated in the upper to deep dermis and in contact with the epidermis. At the periphery of the tumor, there were typical solid BCC nests, but within the majority of lobules, intercellular spaces were widened and cells were connected by

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... ellate stretched thin cytoplasm. From these findings, this tumor was diagnosed as an adamantinoid BCC. [Skin Cancer (Japan) 2002; 17: 221-224]