Large, aggressive basal-cell carcinomas of the scalp

Large, aggressive basal-cell carcinomas of the scalp in young adults are widely and deeply invasive, and may be fatal for those reasons or because of metastatic spread. Five cases are presented that were treated by microscopically controlled excision (Mohs' fresh-tissue technique) after other methods of management had failed. The salient features of these cases and 17 similar cases from the literature and compared with those of basal-cell carcinomas in general.