How is seborrheic dermatitis differentiated from tinea capitis (scalp ringworm)?

Updated: Feb 21, 2020
  • Author: Marc Zachary Handler, MD; Chief Editor: Dirk M Elston, MD  more...
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Seborrheic dermatitis occurs in older children and, unlike tinea capitis, does not cause hair loss. In some cases of tinea capitis, the erythematous scaly lesions closely resemble those seen in seborrheic dermatitis; however, in seborrheic dermatitis, hairs are not broken. Seborrheic dermatitis and psoriasis may cause accumulation of scales in matted masses on the scalp. Scales are more prominent in psoriasis, and hairs are not broken.

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