ArticleConcurrent Keratoacanthomas and Nonsarcoidal Granulomatous Reactions in New and Preexisting TattoosAuthor:Marie C. Leger, MD, PhDPublish date: March 6, 2019Keratoacanthomas (KAs) are common keratinizing, squamous cell lesions of follicular origin distinguished by their eruptive onset, rapid growth, and...Read More