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Image Number 710 (Tinea imbricata)

 
Morphology:
Annular

Diagnosis: Tinea imbricata

Site: Thigh

Sex: M

Age: 10

Type: Clinical

Description: Concentric scaly plaques

Submitted by: Shahbaz Janjua

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Differential Diagnosis

History:

Tinea imbricata, also known as or Tokelau is a superficial fungal infection caused by Trichophyton concentricum, an anthropophilic dermatophyte. The skin lesions are characteristically concentric and lamellar plaques of scale.  Tinea imbricata is a chronic and highly relapsing disease and, although no first-line treatment exists, best results are obtained with oral griseofulvin and terbinafine and a topical combination of keratolytic ointments, such as Whitfield's.

Ref: Bonifaz et al. Tinea imbricata: autosomal dominant pattern of susceptibility in a polygamous indigenous family of the Nahuatl zone in Mexico. Mycoses. 2004 Aug;47(7):288-91.



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