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tinea caporis OIPSU5ICJDX - Coggle Diagram
tinea caporis 
definition
is a superficial fungal infection of the arms and legs, especially on glabrous skin; however, it may occur on any part of the body.
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Treatment
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Oral antifungals are unnecessary unless the skin is widely affected or there is severe, non-resolving infection.
Patients should be referred to a dermatologist if response to treatment is poor or reinfection occurs.
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pathophysiology
. They generally do not invade deeply, owing to nonspecific host defense mechanisms that can include the activation of serum inhibitory factor, complement, and polymorphonuclear leukocytes.
Fungi may release keratinases and other enzymes to invade deeper into the stratum corneum, although typically the depth of infection is limited to the epidermis and, at times, its appendages.
Dermatophytes preferentially inhabit the nonliving, cornified layers of the skin, hair, and nail, which is attractive for its warm, moist environment conducive to fungal proliferation.
diagnostic procedures
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For tinea capitis, plucked hair samples should be taken.
For tinea corporis, exclude psoriasis, pityriasis rosea, granuloma annulare and annular erythema.
nursing management
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Instruct the client and his family to use separate combs and brushes and to avoid exchanging hats and other headgear.
Encourage the client that all family members and household pets must be examined, because familial infections are relatively common
References
Rayala BZ, Morrell DS. Common Skin Conditions in Children: Skin Infections. FP Essent. 2017 Feb. 453:26-32. [Medline]
Fu M, Ge Y, Chen W, Feng S, She X, Li X, et al. Tinea faciei in a newborn due to Trichophyton tonsurans. J Biomed Res. 2013 Jan. 27(1):71-4. [Medline]