Objective: This study aims to describe the ultrasound characteristics of keratoacanthoma (KA), providing valuable insights for non-invasive diagnosis and differentiation from well-differentiated cutaneous squamous cell carcinoma (wcSCC).
Methods: Ultrasound characteristics of 16 KA and 13 wcSCC conformed by surgical pathology were retrospective analyzed.
Results: KA patients were younger (mean age 63.