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Acne keloidalis nuchae is a chronic inflammatory condition affecting the nape and occipital scalp. It can produce fibrotic papules and plaques that may merge into large lesions. AKN can look keloidal, but it is not simply another name for a true keloid.
Why early attention matters
Recent review literature emphasizes early diagnosis and treatment to reduce morbidity and limit progression. Advanced disease may require more involved approaches.
Understand the roadmap
Inflammation and bumps
AKN can begin with inflammatory follicular papules or pustules in the back-of-scalp/nape area.
Fibrosis and plaques
Lesions may become fibrotic and converge into larger plaques or tumor-like lesions, with scarring alopecia possible.
More complex care
Management is individualized. Medical, laser and surgical approaches appear in the literature, with surgery used for selected extensive disease.
AKN is not the same thing as a true keloid.
AKN
A chronic inflammatory/scarring follicular disorder centered on the posterior scalp and nape. Its name is confusing because the lesions can look keloidal.
True keloid
A pathologic scar characterized by growth beyond the boundaries of the original wound. Someone can have AKN and also have a personal tendency to develop true keloids.
Questions to take to an appointment
AKN learning path
2. Understand irritation
What dermatology guidance says about close shaving, helmets and friction.
Haircuts & friction →3. Understand progression
Why small lesions can converge into large fibrotic plaques.
AKN progression →