Tungiasis: a poorly-known diagnosis in Europe. Two paradigmatic cases from Portugal

Santos, Rui; Resende, Cristina; Duarte, Maria da Luz; Brito, Celeste

doi:10.15570/actaapa.2017.33

Cited by 7 publications

(9 citation statements)

References 8 publications

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“…Recently, there has been a first-of-its-kind report of tungiasis from a European country, Portugal. This communication sensitizes tungiasis, as a potential infection among the travelers returning from the endemic regions and the importance of physician awareness of its clinical presentation [ 20 ].…”

Section: Discussionmentioning

confidence: 99%

Tungiasis Presenting as Onychomycosis: Probably the First Report of Flea Infestation of the Nail Observed Using Modified Potassium Hydroxide Mount Technique

Kandi

2018

Cureus

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Tungiasis is an infection/infestation of the flea Tunga penetrans. These are bloodsucking ectoparasitic insects belonging to the phylum Arthropoda, and they do not possess wings, but they have long legs enabling them to jump up to 30 cm high. The fleas are usually present on the skin and in the hair of domestic and wild animals and are prevalent throughout the world. They may also be present in an environment consisting of dry sandy soils, and they infect people who walk barefoot and reside in flea-infested areas. Human tungiasis is both an accidental and zoonotic infection, where the fleas enter the human skin and cause severe morbidity if not properly managed. There are a few reports of human tungiasis, most of which were diagnosed with skin infections. This is a first-of-its-kind observation of fleas in the nail, from a patient who is suspected to be suffering from onychomycosis. The nail in this case was processed differently, by using a modified potassium hydroxide (KOH) mount technique.

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Section: Discussionmentioning

confidence: 99%

Tungiasis Presenting as Onychomycosis: Probably the First Report of Flea Infestation of the Nail Observed Using Modified Potassium Hydroxide Mount Technique

Kandi

2018

Cureus

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“…Between 2003 and 2021 a total of 135 cases were reported for which the geographical origin of tungiasis was known. Ninety-six out of the 135 cases (71%) were reported from Brazil (18)(19)(20)(21)(22)(23)(24)(25)(26)(27)(28)(29)(30)(31)(32)(33). In Brazil, cases were reported from Amazonas and Roraima States in the North of the country to Rio Grande do Sul State in the extreme South.…”

Section: Disease Occurrence and Spatial Distributionmentioning

confidence: 99%

Current status of the knowledge on the epidemiology of tungiasis in the Americas

Saboyá-Díaz

Nicholls

Castellanos

et al. 2022

Revista Panamericana De Salud Pública

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Objectives. To present the state-of-the-knowledge on the epidemiology of tungiasis in the Region of the Americas. Methods. A search of publications on the epidemiology of tungiasis in the Americas was performed in PubMed and LILACS databases from January 2007 to June 2021. In addition, a manual literature search on articles on the epidemiology of tungiasis was performed. Results. A total of 83 articles were analyzed which contained relevant information on tungiasis cases and their geographical distribution, prevalence and risk factors, life cycle, sites where transmission takes place, and zoonotic aspects. The on-host and off-host life cycles have been researched in detail. In certain contexts, the whole life cycle is completed indoors enabling transmission around the whole year. Cases were reported from 10 countries; 71% of them were from Brazil. In the general population, the prevalence varied between 1.0% and 82.6% according to the settings. Age-specific prevalence indicated that children and the elderly bear the highest disease burden. Risk factor studies indicate that tungiasis is associated with severe poverty. Conclusions. In the Americas, there are important gaps in information and knowledge of tungiasis. Understanding the burden, epidemiology, distribution, magnitude, related risk factors, and reservoirs, among others, is needed to develop and implement integrated control measures tailored to the context and patterns of transmission in the affected communities.

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“…Sus principales hospederos son los perros, gatos, cerdos y ratas. El más afectado es el perro, con una tasa de infestación de hasta el 62% y las lesiones se ubican principalmente en las patas y el hocico 9,10 .…”

Section: Comentariosunclassified

“…En el examen dermatoscópico se evidenció una estructura asimétrica con un anillo marrón y orificio central, un velo negro azulado en la periferia y un halo hipercrómico circundante (Foto 6). 7 a 10 días, hasta alcanzar 0,6 a 1 cm de diámetro y expulsa entre 100 y 200 huevos por día [9][10][11] . La historia natural de la infestación humana por Tunga penetrans se describió en la clasificación de Fortaleza, en 2003, y consta de cinco estadios [4][5][6][7][8][9][10][11] (Tabla 1).…”

Section: Comentariosunclassified

“…Es una enfermedad exclusiva de la piel y sus manifestaciones clínicas dependen del estadio en que se encuentra el parásito y del componente inflamatorio que se desencadena [4][5][6][7][8][9] . Esa respuesta inflamatoria se debe a tres factores: la presencia de un cuerpo extraño (Tunga penetrans), la secreción de enzimas proteolíticas que produce el parásito durante su penetración en el tejido y la sobreinfección bacteriana que suele acompañar a la mayoría de los casos 4 .…”

Section: Estadiounclassified

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Tungiasis, un souvenir del viajero

et al. 2020

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La tungiasis es una ectoparasitosis causada por la pulga hematófaga Tunga penetrans. Se considera una de las enfermedades dermatológicas más comunes de los viajeros que visitan áreas tropicales. El ser humano es un hospedero accidental. Afecta exclusivamente la piel. Las lesiones suelen localizarse en los pies y sus manifestaciones clínicas son polimorfas. El diagnóstico es clínico y el tratamiento consiste en la extracción del parásito. En algunos casos es necesario agregar tratamiento con antibióticos, antiparasitarios sistémicos y profilaxis antitetánica.

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Tungiasis: a poorly-known diagnosis in Europe. Two paradigmatic cases from Portugal

Cited by 7 publications

References 8 publications

Tungiasis Presenting as Onychomycosis: Probably the First Report of Flea Infestation of the Nail Observed Using Modified Potassium Hydroxide Mount Technique

Tungiasis Presenting as Onychomycosis: Probably the First Report of Flea Infestation of the Nail Observed Using Modified Potassium Hydroxide Mount Technique

Current status of the knowledge on the epidemiology of tungiasis in the Americas

Tungiasis, un souvenir del viajero

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