Kerion

Kerion
Kerion

Kerion is the result of the host's response to a fungal ringworm infection of the hair follicles of the scalp (occasionally the beard) that can be accompanied by secondary bacterial infection(s). It usually appears as raised, spongy lesions, and typically occurs in children.[1] This honeycomb is a painful inflammatory reaction with deep suppurative lesions on the scalp. Follicles may be seen discharging pus. There may be sinus formation and rarely mycetoma-like grains are produced. It is usually caused by dermatophytes (fungal infections of the skin affecting humans and animals) such as Trichophyton verrucosum, T. mentagrophytes,[1] and Microsporum canis. Treatment with oral griseofulvin common.[1]

Symptoms

There may be loss of hair as hair will come out easily.[2] Sometimes, there is growth of organisms.[3] Lymph and fever symptoms may be present. This condition can be mistaken for a case of impetigo.[4]

Treatment

Unlike most other manifestations of Tinea dermatophyte infections, Kerion is not sufficiently treated with topical antifungals and requires systemic therapy. Typical therapy consists of oral antifungals, such as griseofulvin or terbinafine, for a sustained duration of at least 6-8 weeks depending on severity. Successful treatment of kerion often requires empiric bacterial antibiotics given the high prevalence of secondary bacterial infection.[5]

See also

References

  1. 1 2 3 Uprety, Shraddha; Sharma, Ramesh (2016-09-08). "Kerion — A Boggy Lump". New England Journal of Medicine. 375 (10): 980–980. doi:10.1056/NEJMicm1514152. PMID 27602670.
  2. ↑ "Management of Tinea Capitis". The International Foundation for Dermatology. Retrieved January 21, 2015.
  3. ↑ L. C. Fuller; F. J. Child; G. Midgley; E. M. Higgins (March 8, 2003). "Diagnosis and management of scalp ringworm". BMJ. 326 (7388): 539–541. doi:10.1136/bmj.326.7388.539. PMC 1125423. PMID 12623917.
  4. ↑ "Cause of Kerion Ringworm Scalp Condition, Kerions Treatment". Health Blurbs. Retrieved January 21, 2015.
  5. ↑ "Kerion". DermNet New Zealand. Retrieved December 19, 2017.
Classification


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