Tinea Capitis is also known as scalp ringworm. Tinea capitis may present with itchy, dry, erythematous ring like lesion which appear on the scalp. The lesions may present as an area of alopecia.
Tinea capitis may be detected by the present of hyphae on direct microscopic examination of potassium hydroxide preparation of the skin, nails and hairs.
The common causes of tinea capitis may include dermatophytes in the forms of Trichophyton tonsurans and Microsporum canis. Microsporum canis may floresce under the ultraviolet lights.
The dermatophytes are known as keratinophilic. The dermatophytes may release keratinase which able to digest keratin.
The common mode of transmission may include close contact with infected humans or infected animals. Clothing, towels and brushes are also the common mode of transmission due to indirectly contact with detached hair or skins.
The common treatment of tinea capitis may include good personal hygiene and topical therapy with terbinafine and tolnaftate.
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