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Trichophyton tonsurans

Author:Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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HistoryThis section has been translated automatically.

Malmsten, 1845

General definitionThis section has been translated automatically.

Human pathogenic, anthropophilic dermatophyte with special affinity to hair.

Occurrence/EpidemiologyThis section has been translated automatically.

Worldwide spread. Incidence in Europe is increasing (more common among black migrants).

ManifestationThis section has been translated automatically.

Occurs in adults and children alike.

Clinical pictureThis section has been translated automatically.

S.u. Tinea, tinea corporis, tinea capitis, tinea capitis superficialis, tinea barbae, tinea unguium. Mostly solitary, reddened, inflammatory, finely scaling plaques on the trunk, extremities, nails or capillitium. Infestation of the hair on the head including the hair shaft (endothrix infection). Usually breaking off the hair above the level of the skin. Particularly widespread as a pathogen of the "Tinea corporis gladiatorum" in martial arts and fitness sports.

MicroscopyThis section has been translated automatically.

  • Macroconidia: Rare, clumsy, pleomorphic, colorless, smooth, 2-6 chambers.
  • Microconidia: Numerous; especially in the marginal zone, multiform, mainly elongated to pyriform, length: 3-10 μm, width: 1.5-5 μm, pedunculated attachments on the hyphae, mostly botrytis-shaped on the hyphae.
  • Chlamydospores: Very numerous; especially localized in the middle part of the thallus, cluster-like loose arrangement, rarely rocket hyphae or spiral hyphae.

Note(s)This section has been translated automatically.

Known and analysed type I allergens in Trichophyton tonsurans

  • Tri t 1
  • Tri t 4 Serine protease

LiteratureThis section has been translated automatically.

  1. Adams BB (2002) Tinea corporis gladiatorum. J Am Acad Dermatol 47: 286-290
  2. Altindis M (2003) Prevalence of tinea capitis in primary schools in Turkey. Mycoses 46: 218-221
  3. Kolivras A (2003) Tinea capitis in Brussels: Epidemiology and New Management Strategy. Dermatology 206: 384-387
  4. Mohrenschlager M et al (2001) Tinea capitis of childhood: incidence and pathogenetic role of Trichophyton tonsurans in Central Europe. J Am Acad Dermatol 45: 320-321
  5. Ravenscroft J (2000) Trichophyton tonsurans tinea capitis and tinea corporis: treatment and follow-up of four affected family members. Pediatric Dermatol 17: 407-409
  6. Tietz HJ (2000) Results of the first dermatomycoses quality control study in Germany. Mycoses 43: S63-S67

Authors

Last updated on: 29.10.2020

Author: Prof. Dr. med. Peter Altmeyer