A Neglected Acne Scar Type: Papular Acne Scars and Their Correlations With Keloid Scars

Papular acne scars were significantly more prevalent in patients with keloid scars than in those without keloid scars. These results provide a basis for understanding papular acne scars, which have been under-recognized. The association between papular and keloid acne scars can suggest the decision for scar treatment.