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Joao Basilio De Souza Filho - One of the best experts on this subject based on the ideXlab platform.
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estudo de 15 casos de Piedra branca observados na grande vitoria espirito santo brasil durante cinco anos
Anais Brasileiros De Dermatologia, 2005Co-Authors: Lucia Martins Diniz, Joao Basilio De Souza FilhoAbstract:White Piedra is a rare fungal infection of the hair shaft, caused by a yeast-like fungus (Trichosporon beigelii), characterized by yellow nodules on the pubic hair, moustache, beard and hair on the axillae and scalp. The objective was to register the presence of 15 cases of White Piedra in Espirito Santo diagnosed at the Dermatology Service in Vitoria, over five years. All patients were female with nodules in the scalp hair, 13 were of mixed race and ten were between two and six years old. The hot and humid climate of the region together with the patients' habits regarding use of conditioning creams favored the infection. Moistening the hair with water can facilitate visualization of the nodules.
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Study on 15 cases of White Piedra in Grande Vitória (Espírito Santo - Brazil) over a five-year period
Sociedade Brasileira de Dermatologia, 2005Co-Authors: Diniz, Lucia Martins, Joao Basilio De Souza FilhoAbstract:A Piedra branca é infecção fúngica do pêlo, rara, causada pelo Trichosporon beigelii, caracterizada por nódulos amarelados nos pêlos genitais, bigode, barba, axilas e raramente, no couro cabeludo. O estudo registra 15 casos, diagnosticados em serviço de dermatologia de Vitória, durante cinco anos, todos de pacientes do sexo feminino, com nódulos nos pêlos do couro cabeludo. Os autores supõem que o clima quente e úmido da região e o hábito de as pacientes utilizarem cremes recondicionadores nos fios dos cabelos tenham favorecido a infecção. O umedecimento dos fios com água facilita a visualização dos nódulos.White Piedra is a rare fungal infection of the hair shaft, caused by a yeast-like fungus (Trichosporon beigelii), characterized by yellow nodules on the pubic hair, moustache, beard and hair on the axillae and scalp. The objective was to register the presence of 15 cases of White Piedra in Espírito Santo diagnosed at the Dermatology Service in Vitória, over five years. All patients were female with nodules in the scalp hair, 13 were of mixed race and ten were between two and six years old. The hot and humid climate of the region together with the patients' habits regarding use of conditioning creams favored the infection. Moistening the hair with water can facilitate visualization of the nodules
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Estudo de 15 casos de Piedra branca observados na Grande Vitória (Espírito Santo - Brasil) durante cinco anos Study on 15 cases of White Piedra in Grande Vitória (Espírito Santo - Brazil) over a five-year period
Sociedade Brasileira de Dermatologia, 2005Co-Authors: Lucia Martins Diniz, Joao Basilio De Souza FilhoAbstract:A Piedra branca é infecção fúngica do pêlo, rara, causada pelo Trichosporon beigelii, caracterizada por nódulos amarelados nos pêlos genitais, bigode, barba, axilas e raramente, no couro cabeludo. O estudo registra 15 casos, diagnosticados em serviço de dermatologia de Vitória, durante cinco anos, todos de pacientes do sexo feminino, com nódulos nos pêlos do couro cabeludo. Os autores supõem que o clima quente e úmido da região e o hábito de as pacientes utilizarem cremes recondicionadores nos fios dos cabelos tenham favorecido a infecção. O umedecimento dos fios com água facilita a visualização dos nódulos.White Piedra is a rare fungal infection of the hair shaft, caused by a yeast-like fungus (Trichosporon beigelii), characterized by yellow nodules on the pubic hair, moustache, beard and hair on the axillae and scalp. The objective was to register the presence of 15 cases of White Piedra in Espírito Santo diagnosed at the Dermatology Service in Vitória, over five years. All patients were female with nodules in the scalp hair, 13 were of mixed race and ten were between two and six years old. The hot and humid climate of the region together with the patients' habits regarding use of conditioning creams favored the infection. Moistening the hair with water can facilitate visualization of the nodules
Langoni Hélio - One of the best experts on this subject based on the ideXlab platform.
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Ocorrência de mastite clínica e subclínica causada por Trichosporon beigelii em um rebanho leiteiro
2006Co-Authors: Victoria Cassiano, Langoni HélioAbstract:Trichosporon beigelii was isolated from four and three Holstein heifers with clinical and subclinical mastitis respectively, during the extension activities of Nucleus of Mastitis Research - NUPEMAS - FMVZ - UNESP - BOTUCATU - BRAZIL. This fungus is considered extremely important because it is responsible for superficial skin infections, known as White Piedra. According with literature, there is no record of isolation of this agent from mastitis in Brazil. This fact confirms the importance of microbiological studies to lead the treatment correctly to prevent the increase of bacterial resistance and secondary fungal infections that uses the inefficient antimicrobial as substratum for its development
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Ocorrência de mastite clínica e subclínica causada por Trichosporon beigelii em um rebanho leiteiro
Universidade de São Paulo. Faculdade de Medicina Veterinária e Zootecnia, 2006Co-Authors: Victoria Cassiano, Langoni HélioAbstract:Durante as atividades de extensão rural, desenvolvidas pelo Núcleo de Pesquisa em Mastites - NUPEMAS, do Departamento de Higiene Veterinária e Saúde Pública, da Faculdade de Medicina Veterinária e Zootecnia da Universidade Estadual Paulista - Botucatu - São Paulo - Brasil, no ano de 2002, foi isolado de uma propriedade leiteira do interior do estado, o fungo Trichosporon beigelii, em quatro animais com mastite clínica, e em três com mastite subclínica. Este fungo é de grande importância, pois é responsável pelo desenvolvimento de quadros de micose superficial, conhecidos como Piedra branca. No Brasil, até o presente momento, não há relato de isolamento de Trichosporon beigelii, como agente causador de mastites. Este fato confirma a importância do exame microbiológico para o monitoramento das mastites, pois permite a identificação de patógenos tanto nas infecções intramamárias subclínicas como clínicas, evitando-se o tratamento com antimicrobianos, que nestes casos em particular, além de não exercer seu efeito terapêutico, pode predispor a infecções mistas por outros agentes fúngicos, na medida em que os antimicrobianos fornecem substrato para o desenvolvimento e manutenção destes.Trichosporon beigelii was isolated from four and three Holstein heifers with clinical and subclinical mastitis respectively, during the extension activities of Nucleus of Mastitis Research - NUPEMAS - FMVZ - UNESP - BOTUCATU - BRAZIL. This fungus is considered extremely important because it is responsible for superficial skin infections, known as "White Piedra". According with literature, there is no record of isolation of this agent from mastitis in Brazil. This fact confirms the importance of microbiological studies to lead the treatment correctly to prevent the increase of bacterial resistance and secondary fungal infections that uses the inefficient antimicrobial as substratum for its development
Claudia Maria Leite Maffei - One of the best experts on this subject based on the ideXlab platform.
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An outbreak of scalp White Piedra in a Brazilian children day care
Revista Do Instituto De Medicina Tropical De Sao Paulo, 2008Co-Authors: Ana Maria Ferreira Roselino, Ana Beatriz Seixas, José Antônio Thomazini, Claudia Maria Leite MaffeiAbstract:White Piedra is a superficial mycosis caused by Trichosporon spp. that affects the hair shaft of any part of the body. It is presented an outbreak of scalp White Piedra seen in 5.8% of the children frequenting a day care in Northeastern of Sao Paulo State, Brazil. Mycological exam and culture identified T. cutaneum in all five cases, and scanning electron microscopy of nodules around hair shaft infected by Trichosporon spp. is demonstrated comparing them with those of black Piedra and with nits of Pediculous capitis.
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An outbreak of scalp White Piedra in a Brazilian children day care Surto de Piedra branca afetando os cabelos do couro cabeludo de crianças em creche brasileira
Universidade de São Paulo, 2008Co-Authors: Ana Maria Ferreira Roselino, Ana Beatriz Seixas, José Antônio Thomazini, Claudia Maria Leite MaffeiAbstract:White Piedra is a superficial mycosis caused by Trichosporon spp. that affects the hair shaft of any part of the body. It is presented an outbreak of scalp White Piedra seen in 5.8% of the children frequenting a day care in Northeastern of São Paulo State, Brazil. Mycological exam and culture identified T. cutaneum in all five cases, and scanning electron microscopy of nodules around hair shaft infected by Trichosporon spp. is demonstrated comparing them with those of black Piedra and with nits of Pediculous capitis.Piedra branca caracteriza-se por ser micose superficial, causada por Trichosporon spp., que compromete a haste dos pelos de qualquer região do corpo. Um surto de Piedra branca, afetando os cabelos do couro cabeludo, foi registrado em 5,8% das crianças que freqüentavam uma creche na região nordeste do estado de São Paulo. Exame micológico direto e cultura identificaram T. cutaneum nas cinco crianças afetadas. Enfatiza-se a utilização da microscopia eletrônica de varredura, que mostrou nódulos circundando a haste dos cabelos infectada por Trichosporon spp., comparando-os com nódulos de Piedra nigra e com lêndeas de Pediculus capitis
D Richardlenoble - One of the best experts on this subject based on the ideXlab platform.
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White Piedra and trichosporon species in equatorial africa i history and clinical aspects an analysis of 449 superficial inguinal specimens
Mycoses, 2009Co-Authors: M Therizolferly, Maryvonne Kombila, T.h. Duong, Gomez M De Diaz, D RichardlenobleAbstract:Summary. White Piedra is a hair infection characterized by nodules composed of fungal elements which envelop the hair shaft. Classically, this infection was considered to be produced by an asexual yeast-like fungus, Trichosporon beigelii. At present, in accordance with studies carried out previously, this species is subdivided into six newly defined distinct species (T. asshu, T. ovoides, T. inkin, T. mucoides, T. asteroides and T. cutaneum), all belonging to the class Basidiomycetes. Although widespread, White Piedra has not previously been described in tropical regions of Africa. The present study, carried out in Libreville (Gabon), an equatorial region of Africa, shows that the incidence of this infection is quite high (18% of 449. inguinal specimens) in the female population aged 15–60 years, with a predominance in young patients (15–44 years). The relationship between the clinical manifestations and the specific hair lesions is also detailed. Three species belonging to the genus Trichosporon were identified: T. mucoides, T. asahii and T. inkin. Zusammenfassung. Die weise Piedra ist eine Haarinfektion, charakterisiert durch harte Knotchen, die aus Pilzelementen bestehen und den Haarschaft umgeben. In der klassischen Definition wurde diese Infektion als durch Trichosporon beigelii verursacht angesehen, einem asexuellen, hefeahnlichen Pilz. In Ubereinstimmung mit neueren Untersuchungen wird diese Art jetzt in sechs selbstandige Arten unterteilt: T. asahii, T. ovoides. T. inkin, T. mucoides, T. asteroides and T. cutaneum, die alle zur Klasse der Basidiomyzeten gerechnet werden. Obgleich weit verbreitet, wurde die weisie Piedra niemals in den tropischen Gebieten Afrikas beschrieben. Die vorliegende Studie, durchgefuhrt in Libreville (Gabun), einer aquatorialafrikanischen Region, zeigt, das die Haufigkeit dieser Infektion ganz betrachtlich ist, namlich bei 18% von 449 Untersuchungsproben der Inguinalregion in der weiblichen, zwischen 15 und 60 Jahre alten Bevolkerung, vorherrschend bei jungeren Patientinnen im Alter von 15–44 Jahren. Die klinischen Manifestationen und die spezifischen Haarbefunde werden im Einzelnen dargestellt. Es wurden drei Arten der Gattung Trichosporon gefunden: T. mucoides, T. asahii, T. inkin.
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White Piedra and trichosporon species in equatorial africa iii identification of trichosporon species by slide agglutination test
Mycoses, 2009Co-Authors: Catherine Douchet, Maryvonne Kombila, A. Barrabes, M Therizolferly, Gomez M De Diaz, Thanh Hai Duong, D RichardlenobleAbstract:Summary. Fifty-two Trichosporon strains isolated from Gabonese female patients 15–60 years, were studied. The identity of these strains was established by two different methods: the method proposed by Gueho et al. (1992), based on mycological criteria, and a slide agglutination method performed with monospecific antisera prepared in our laboratory. The final results show a perfect correlation between the two methods, which allowed us to identify 25 strains of T. mucoides, 21 strains of T. inkin and seven strains of T. asahii. The results of the agglutination tests performed with 24-h-old subcultures grown on Sabouraud glucose agar are available in less than 15 mins. In the light of these results, it appears that this method, which is rapid and easy to perform and reproduce, may readily be used in hospital laboratories. In addition, this method allowed us to verify the presence of antigens common to the genera Cryptococcus and Trichosporon, which were easily shown by the use of crude sera. The fact that the anti-Triehosporon monospecific sera lose their capacity to agglutinate Cryptococcus neoformans proves their high specificity. Zusammenfassung. Die Identitat von 52 Trichosporon-Stammen, isoliert von gabunesischen Frauen im Alter zwischen 15 und 60 Jahren. wurden nach zwei unterschiedlichen Methoden identifiziert: 1. Nach der Methode von Gueho et al. 1992, die auf mykologischen Kriterien beruht. und 2. mittels einer Objekttrager-Agglutinations-methode unter Verwendung monospezifscher, in unserem Labor hergestellter Antiseren. Die Ergebnisse belegen eine vollkommene Korrelation zwischen beiden Methoden, die es erlaubte, 25 Stamme von T. mucoides, 21 Stamme von T. inkin und 7 Stamme von T. asahii zu identifizieren. Die Agglutinationsreaktionen wurden mil 24 h alten Subkulturen auf Sabouraud-Glucose-Agar durchgefuhrt; ihre Ergebnisse waren in weniger als 15 Minuten verfugbar. Auf dem Hintergrund dieser Befunde wird diese Methode als schnell, leicht durchfuhrbar und sicher reproduzierbar fur die allgemeine Anwendung in Krankenhauslaboratorien empfohlen. In dieser Studie war auch der Besitz gemeinsamer Antigene bei den Gattungen Cryptococcus und Trichosporon nachweisbar, wenn Rohseren verwendet wurden. Der Nachweis, das monospezifische Anti-Trichosporon-Seren die Fahigkeit verlieren, Cryptococcus neoformans zu agglutinieren, belegt ihre hohe Spezifitat.
Ana Maria Ferreira Roselino - One of the best experts on this subject based on the ideXlab platform.
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An outbreak of scalp White Piedra in a Brazilian children day care
Revista Do Instituto De Medicina Tropical De Sao Paulo, 2008Co-Authors: Ana Maria Ferreira Roselino, Ana Beatriz Seixas, José Antônio Thomazini, Claudia Maria Leite MaffeiAbstract:White Piedra is a superficial mycosis caused by Trichosporon spp. that affects the hair shaft of any part of the body. It is presented an outbreak of scalp White Piedra seen in 5.8% of the children frequenting a day care in Northeastern of Sao Paulo State, Brazil. Mycological exam and culture identified T. cutaneum in all five cases, and scanning electron microscopy of nodules around hair shaft infected by Trichosporon spp. is demonstrated comparing them with those of black Piedra and with nits of Pediculous capitis.
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An outbreak of scalp White Piedra in a Brazilian children day care Surto de Piedra branca afetando os cabelos do couro cabeludo de crianças em creche brasileira
Universidade de São Paulo, 2008Co-Authors: Ana Maria Ferreira Roselino, Ana Beatriz Seixas, José Antônio Thomazini, Claudia Maria Leite MaffeiAbstract:White Piedra is a superficial mycosis caused by Trichosporon spp. that affects the hair shaft of any part of the body. It is presented an outbreak of scalp White Piedra seen in 5.8% of the children frequenting a day care in Northeastern of São Paulo State, Brazil. Mycological exam and culture identified T. cutaneum in all five cases, and scanning electron microscopy of nodules around hair shaft infected by Trichosporon spp. is demonstrated comparing them with those of black Piedra and with nits of Pediculous capitis.Piedra branca caracteriza-se por ser micose superficial, causada por Trichosporon spp., que compromete a haste dos pelos de qualquer região do corpo. Um surto de Piedra branca, afetando os cabelos do couro cabeludo, foi registrado em 5,8% das crianças que freqüentavam uma creche na região nordeste do estado de São Paulo. Exame micológico direto e cultura identificaram T. cutaneum nas cinco crianças afetadas. Enfatiza-se a utilização da microscopia eletrônica de varredura, que mostrou nódulos circundando a haste dos cabelos infectada por Trichosporon spp., comparando-os com nódulos de Piedra nigra e com lêndeas de Pediculus capitis
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BRIEF COMMUNICATION
2008Co-Authors: Med S. Paulo, Ana Beatriz Seixas, Ana Maria Ferreira Roselino, An Outbreak, Of Scalp, White Piedra, In A Brazilian, Children Day Care, José Antônio ThomaziniAbstract:White Piedra is a superficial mycosis caused by Trichosporon spp. that affects the hair shaft of any part of the body. It is presented an outbreak of scalp White Piedra seen in 5.8 % of the children frequenting a day care in Northeastern of São Paulo State, Brazil. Mycological exam and culture identified T. cutaneum in all five cases, and scanning electron microscopy of nodules around hair shaft infected by Trichosporon spp. is demonstrated comparing them with those of black Piedra and with nits of Pediculous capitis
