Differentiating squamous cell carcinoma from keratoacanthoma using histopathological criteria. Is it possible? A study of 296 cases.

BACKGROUND Squamous cell carcinoma (SCC) and keratoacanthoma (KA) are sometimes difficult to distinguish by histopathological examination, since cytological features are similar in both tumors. Distinctive criteria - mainly architectural - have therefore been proposed as an aid in diagnosis. OBJECTIVE The purpose of this study was to evaluate the… CONTINUE READING