Maione, Vincenzo, Martina Perantoni, Enzo Errichetti, Tiziana Borra, and Piergiacomo Calzavara Pinton. “Porocarcinoma From Preexisting Hidroacanthoma Simplex: Dermoscopic Findings”. Dermatology Practical & Conceptual 10, no. 2 (April 20, 2020): e2020036. Accessed April 21, 2026. https://dpcj.org/index.php/dpc/article/view/dermatol-pract-concept-articleid-dp1002a36.