Tokelau (Tinea Imbricata)

Tokelau (Tinea Imbricata) – Table of Contents

Tuesday, October 23rd, 2012




Introduction: a “beautiful” fungal infection Causes (Etiology) Geographical Distribution Clinical Presentation Diagnosis and Differential Diagnosis Treatment Bibliography

Tokelau (Tinea Imbricata): a “beautiful” fungal infection (For professionals)

Tuesday, August 17th, 2010




Synonyms Tinea Imbricata, Tokelau, Concentric tinea, Indian tinea, Chinese tinea, Scaly tinea, Elegant tinea, Lace tinea, Chimbéré, Gogo. Grillé, Cacapash, Shishiyotl, Roña. Introduction E. Wilson a prominent British dermatologist of the 19th century used to say that two kinds of skin were interesting: beautiful skin or a beautiful skin disease. Tokelau (Tinea Imbricata) is compatible […]

Tokelau (Tinea Imbricata): Geographical Distribution (For professionals)

Sunday, May 16th, 2010




Geographical Distribution Tokelau refers to 3 atolls lying midway between Hawaii (Hawai) and New Zealand around 300Km to the North of Samoa. The population is around 1500 for a 12 sq. Km. surface. The isolation combined with the high humidity and density might explain in part the propensity of having this fungal infection. The condition […]

Tokelau (Tinea Imbricata): Clinical Presentation (For professionals)

Sunday, May 2nd, 2010




Clinical Presentation The disease presents with rapid development of polymorphic and polycyclic patches. Little erythema is present but itching tends to be intense. The disease starts with brownish maculo-papules with a central detachment progressing towards the periphery. The free border is turned towards the  centre and a brownish edge leads the active edge. It can […]

Tokelau (Tinea Imbricata): Diagnosis and Differential Diagnosis (For professionals)

Thursday, April 15th, 2010




Diagnosis and Differential Diagnosis Diagnosis is clinical and can be confirmed by scale scrapings and fungal culture. In acute presentation in can be confused with secondary syphilis, granuloma annulare and erythema annulare centrifugum. In chronic presentation it can look like ichtyosis and erythema gyratum repens. Bibliography

Tokelau (Tinea Imbricata): Causes (Etiology)

Friday, April 2nd, 2010




Causes The condition is caused by a strictly anthropophilic dermatophyte called tinea concentricum. Transmission is incompletely understood. Close contact is important but not enough and genetic (mode of inheritance mainly autosomal recessive (“pure race”) with a few autosomal dominant cases), environmental (poor hygiene, iron deficiency, malnutrition) and immunological factors play an important role. Bibiography

Tokelau (Tinea Imbricata): Treatment (For professionals)

Monday, March 15th, 2010




Treatment Combination of an oral antifungal (griseofulvin, terbinafine. Itrconazole and fluconazole are ineffective) with a topical keratolytic. Recurrence rates are very high. Bibiography

Tokelau (Tinea Imbricata): Bibliography (For professionals)

Monday, March 1st, 2010




A case of tinea imbricata (Hanumarn ringworm) treated with fulcin. Chermsirivathana S, Boonsri P. Aust J Dermatol. 1961 Jun;6:63-6. Endemic tinea imbricata–a study on Goodenough Island, Papua New Guinea. Hay RJ, Reid S, Talwat E, Macnamara K. Trans R Soc Trop Med Hyg. 1984;78(2):246-51. Revista de la Sociedad Venezolanade Microbiología:  www.scielo.org.ve Tinea imbricata or Tokelau. […]

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