Cicatricial alopecia
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Overview
Cicatricial alopecia presents clinically with the effacement/scarring of follicular orifices, always in a patchy or focal distribution.[1]
Differential Diagnosis of Causes of Cicatricial Alopecia
Causes of noncicatricial alopecia include[1]:648[2]:
- Acne necrotica
- Alopecia mucinosa
- Atrichia with papular lesions
- Central centrifugal cicatricial alopecia
- Erosive pustular dermatitis of the scalp (Erosive pustular dermatosis of the scalp)
- Folliculitis decalvans
- Hot comb alopecia
- Keratosis pilaris atropicans
- Lichen planopilaris
- Lupus erythematosus
- Perifolliculitis capitis abscedens et suffodiens (Dissecting cellulitis of the scalp, Dissecting folliculitis, Perifolliculitis capitis abscedens et suffodiens of Hoffman)
- Pressure alopecia
- Pseudopelade of Brocq (Alopecia cicatrisata)
- Sarcoidosis
- Traction alopecia
- Tufted folliculitis
- Tumor alopecia