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Tinea Imbricata: An Overview.

Alexander K C Leung1, Kin F Leong2, Joseph M Lam3

  • 1Department of Pediatrics, The University of Calgary, Alberta Children's Hospital, Calgary, Alberta, AB, Canada.

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|February 9, 2019
PubMed
Summary
This summary is machine-generated.

Tinea imbricata is a fungal infection characterized by distinctive scaly, concentric rings. Physicians should recognize its clinical signs for accurate diagnosis and treatment, especially with increased travel.

Keywords:
Trichphyton concentricumannularconcentriclamellaroral terbinafineplaquespruriticringsscales.

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Area of Science:

  • Dermatology
  • Mycology
  • Infectious Diseases

Background:

  • Tinea imbricata is a chronic superficial fungal infection primarily caused by Trichophyton concentricum.
  • It predominantly affects populations in primitive, isolated environments and is infrequently encountered in developed nations, potentially leading to physician unawareness.

Purpose of the Study:

  • To enhance physician familiarity with the clinical presentation, diagnostic methods, and therapeutic strategies for tinea imbricata.

Main Methods:

  • A comprehensive literature search was conducted on PubMed using terms 'Tinea imbricata' and 'Trichophyton concentricum'.
  • The search encompassed various study types, including reviews and case reports, to compile current information.

Main Results:

  • Tinea imbricata presents with pruritic, scaly papules that evolve into annular or concentric rings, forming plaques with characteristic lamellar scales resembling roof tiles or fish scales.
  • Diagnosis is primarily clinical, supported by KOH examination showing specific hyphae and chlamydoconidia.
  • Oral terbinafine is the recommended treatment, with combination therapy potentially improving outcomes.

Conclusions:

  • The characteristic skin lesions of tinea imbricata allow for straightforward clinical diagnosis.
  • Given global travel trends, healthcare providers should be aware of this mycosis, even in non-endemic regions.