kerion
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Etiology
- complication of Tinea capitis
- Trichophyton verrucosum
- Trichophyton mentagrophytes[3]
Epidemiology
- usually in children[3]
Pathology
- a granulomatous secondarily infected lesion complicating Tinea capitis
- folliculitis & deep abscess formation[5]
Clinical manifestations
- typically appears as boggy purulent nodule often with a surface yellow crust
- erythematous, mildly tender, boggy swelling overlying occiput
- alopecia
- pustules with associated serosanguineous discharge[3]
- painful plaques with folliculitis & abscess formation[4]
- regional lymphadenopathy
Laboratory
- skin scraping: light microscopy, KOH preparation reveals fungal hyphae
Complications
- delay in diagnosis & treatment can result in scarring alopecia
Differential diagnosis
Management
- oral griseofulvin for 6 weeks[3]
- other antifungal agents also effective
More general terms
Additional terms
References
- ↑ Stedman's Medical Dictionary 26th ed, Williams & Wilkins, Baltimore, 1995
- ↑ Saunders Manual of Medical Practice, Rakel (ed), WB Saunders, Philadelphia, 1996
- ↑ 3.0 3.1 3.2 3.3 3.4 3.5 Uprety S, Sharma R IMAGES IN CLINICAL MEDICINE. Kerion - A Boggy Lump. N Engl J Med 2016; 375:980September 8, 2016 <PubMed> PMID: https://www.ncbi.nlm.nih.gov/pubmed/27602670 <Internet> http://www.nejm.org/doi/full/10.1056/NEJMicm1514152
- ↑ 4.0 4.1 Medical Knowledge Self Assessment Program (MKSAP) 19 American College of Physicians, Philadelphia 2022
- ↑ 5.0 5.1 Elston CA, Elston DM Identifying Lesions on Skin of Color. Medscape. October 25, 2022 https://reference.medscape.com/slideshow/identifying-lesions-6007985