Images (3)

Trichophyton violaceum

Author:Prof. Dr. med. Peter Altmeyer

All authors of this article

Last updated on: 13.01.2025

Dieser Artikel auf Deutsch

Requires free registration (medical professionals only)

Please login to access all articles, images, and functions.

Our content is available exclusively to medical professionals. If you have already registered, please login. If you haven't, you can register for free (medical professionals only).


Requires free registration (medical professionals only)

Please complete your registration to access all articles and images.

To gain access, you must complete your registration. You either haven't confirmed your e-mail address or we still need proof that you are a member of the medical profession.

Finish your registration now

HistoryThis section has been translated automatically.

Sabouraud and Bodin, 1902

General informationsThis section has been translated automatically.

Anthropophilic dermatophyte.

Occurrence/EpidemiologyThis section has been translated automatically.

Globally widespread anthrophilic dermotphyte. Epidemic in the Middle East, Africa (Tanzania, Ethiopia, Eritrea), Eastern Europe, Japan and Russia (Nenoff P. et al. 2024). Occurs less frequently in Central Europe (mostly in migrants).

ClinicThis section has been translated automatically.

S.u. Tinea corporis, tinea capitis, tinea capitis superficialis. Common pathogen of tinea capitis. Mostly extensive infestation of integument and capillitium. Infection and destruction of the hair papilla. With a weakened immune status an invasion of the lymphatic system is possible. No spontaneous healing during puberty. Mostly chronic disease progression.

MicroscopyThis section has been translated automatically.

Abundantly septate mycelium. Terminally swollen or flask-like distended hyphae with dichotomous branching.

Chlamydospores: Very numerous, thick-walled, mostly terminal.

Microconidia: Pyriform, usually only visible on thiamine agar.

Macroconidia: Rare, mostly only in older cultures, thin-walled, length: 10-25 μm, width: 2-8 μm, 3-8 chambers, many different forms, mostly only visible on thiamine agar.

LiteratureThis section has been translated automatically.

  1. Aman S (2001) Distal and lateral subungual onychomycosis with primary onycholysis caused by Trichophyton violaceum. Br J Dermatol 144: 212-213
  2. Kolivras A et al. (2003) Tinea capitis in Brussels: Epidemiology and New Management Strategy. Dermatology 206: 384-387
  3. Metin A et al. (2002) Tinea capitis in Van, Turkey. Mycoses 45: 492-5
  4. Monod M et al. (2002) Survey of dermatophyte infections in the Lausanne area Switzerland. Dermatology 205: 201-203
  5. Nenoff P. et al. (2024) Old fungi in a new guise- a challenge in diagnostics and therapy. JDDg 20-913-915
  6. Noyan A et al. (2001) Tinea of the scalp and eyebrows caused by Trichophyton violaceum in a 62-year-old diabetic woman. J Eur Acad Dermatol Venereol 15: 88-89

Authors

Last updated on: 13.01.2025

Author: Prof. Dr. med. Peter Altmeyer