Milky-Red Areas: Dermoscopic Insights into Hailey-Hailey disease - A Case Series of 21 Patients - Giorgio, Caterina Mariarosaria; Licata, Gaetano; Argenziano, Giuseppe; Moscarella, Elvira; Babino, Graziella; Fulgione, Elisabetta; Tancredi , Vittorio; Di Brizzi, Eugenia Veronica (Dermatology Practical & Conceptual, 2026)