TY - JOUR T1 - Diagnostic Utility of Dermoscopy in Pigmented Actinic Keratosis JO - Actas Dermo-Sifiliográficas T2 - AU - Ciudad,C. AU - Avilés,J.A. AU - Suárez,R. AU - Lázaro,P. SN - 15782190 M3 - 10.1016/j.adengl.2010.11.001 DO - 10.1016/j.adengl.2010.11.001 UR - https://www.actasdermo.org/es-diagnostic-utility-dermoscopy-in-pigmented-articulo-S1578219011000588 AB - The diagnosis of pigmented actinic keratosis can be complicated in clinical practice. The differential diagnosis with lentigo maligna melanoma can be difficult due to common clinical and dermoscopic characteristics. We present 5 cases of pigmented actinic keratosis in 4 patients. The most common dermoscopic finding was a grayish-brown granulation with a perifollicular distribution, present in all lesions, followed by rhomboidal structures in 4 cases, and an annular-granular pattern in 3. In no case were asymmetrical pigmented follicular openings observed. We draw attention to key findings that aid preoperative diagnosis of pigmented actinic keratosis. ER -