Acne keloidalis nuchae, also known as keloidal folliculitis, is a long-term or chronic inflammatory condition. It can lead to lesions, or sores, that appear on the nape of the neck and can turn into ...

Acne keloidalis nuchae (AKN) involves inflammation at the back of the scalp. It can cause an itchy rash, swollen, painful hair follicles, and sometimes pus-filled bumps. Scarring can occur also occur ...