Tinea facei
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Etiology
Epidemiology
- transmission person to person, animal to person
- case report of transmission from Guinea pig
Clinical manifestations
- itchy, erythematous facial lesions not resposive to topical glucocorticoids
- annular plaque with sharply demarcated edges & associated scale & crust
- no regional lymph node involvement
* image[1]
Laboratory
- skin scraping
- direct microscopy results after preparation with KOH shows fungal hyphae
- cultures on Sabouraud dextrose agar & lactophenol cotton blue stain
- DNA sequencing of the internal transcribed spacer region of the ribosomal DNA for confirmation of Trichophyton benhamiae[1]
Complications
- residual hypopigmentation with fine telangiectasias
Management
- clotrimazole 1% or terbinatine topical[2]
- terbinafine 125 mg PO daily + ketoconazole 2% shampoo for 6 weeks for larger areas of infection[2]
- fluconazole, itraconazole, & griseofulvin may also be used
- infected animals must be treated to avoid reinfection &/or spread to other persons
More general terms
References
- ↑ 1.0 1.1 1.2 Iznardo H, Garcia-Melendo C, Berengua C Tinea Facei From Trichophyton benhamiae From a Pet Guinea Pig. JAMA Dermatol. Published online August 11, 2021. PMID: https://www.ncbi.nlm.nih.gov/pubmed/34379104 https://jamanetwork.com/journals/jamadermatology/fullarticle/2782890
- ↑ 2.0 2.1 2.2 NEJM Knowledge+ Dermatology