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1.
An Bras Dermatol ; 99(3): 327-341, 2024.
Artículo en Inglés | MEDLINE | ID: mdl-38310012

RESUMEN

The vast majority of publications in dermatology refer to lightly pigmented skin, with few addressing the peculiarities of black skin. In addition there is no consensus on what it means to be black in different regions of the world. The lack of knowledge on the subject makes it difficult to recognize and manage dermatoses in this type of skin. This article aims to review the literature on intrinsic characteristics, as well as epidemiological and clinical aspects of the cutaneous manifestations of different dermatoses in black skin. It was found that there are sometimes striking differences, in the structural, biological, and functional aspects when comparing lightly pigmented and black skin. There are also physiological changes that need to be recognized to avoid unnecessary interventions. Some dermatoses have a higher incidence in black skin, such as acne, eczema, dyschromia and dermatophytosis. On the other hand, several dermatoses are more specific to black skin, such as pseudofolliculitis barbae, keloid, dermatosis papulosa nigra, ulcers caused by sickle-cell anemia, dactylolysis spontanea, confluent and reticulated papillomatosis of Gougerot and Carteaud, and some diseases of the hair and scalp (including fragile and brittle hair, traction alopecia, folliculitis keloidalis nuchae, folliculitis dissecans and central centrifugal cicatricial alopecia). A spectrum of peculiar aspects of specific dermatoses, including sarcoidosis, lichen planus (with emphasis on the pigmentosus variant), psoriasis, lupus erythematosus, vitiligo, syphilis, pityriasis versicolor, and neoplasms are highlighted. In the latter, characteristics of basal cell carcinoma, squamous cell carcinoma, and melanoma are compared, in addition to highlighting unusual aspects of primary cutaneous T-cell lymphoma, endemic Kaposi sarcoma, and dermatofibrosarcoma protuberans.


Asunto(s)
Enfermedades de la Piel , Humanos , Enfermedades de la Piel/patología , Pigmentación de la Piel , Piel/patología , Población Negra
2.
An. bras. dermatol ; 99(3): 327-341, Mar.-Apr. 2024. tab, graf
Artículo en Inglés | LILACS-Express | LILACS | ID: biblio-1556865

RESUMEN

Abstract The vast majority of publications in dermatology refer to lightly pigmented skin, with few addressing the peculiarities of black skin. In addition there is no consensus on what it means to be black in different regions of the world. The lack of knowledge on the subject makes it difficult to recognize and manage dermatoses in this type of skin. This article aims to review the literature on intrinsic characteristics, as well as epidemiological and clinical aspects of the cutaneous manifestations of different dermatoses in black skin. It was found that there are sometimes striking differences, in the structural, biological, and functional aspects when comparing lightly pigmented and black skin. There are also physiological changes that need to be recognized to avoid unnecessary interventions. Some dermatoses have a higher incidence in black skin, such as acne, eczema, dyschromia and dermatophytosis. On the other hand, several dermatoses are more specific to black skin, such as pseudofolliculitis barbae, keloid, dermatosis papulosa nigra, ulcers caused by sickle-cell anemia, dactylolysis spontanea, confluent and reticulated papillomatosis of Gougerot and Carteaud, and some diseases of the hair and scalp (including fragile and brittle hair, traction alopecia, folliculitis keloidalis nuchae, folliculitis dissecans and central centrifugal cicatricial alopecia). A spectrum of peculiar aspects of specific dermatoses, including sarcoidosis, lichen planus (with emphasis on the pigmentosus variant), psoriasis, lupus erythematosus, vitiligo, syphilis, pityriasis versicolor, and neoplasms are highlighted. In the latter, characteristics of basal cell carcinoma, squamous cell carcinoma, and melanoma are compared, in addition to highlighting unusual aspects of primary cutaneous T-cell lymphoma, endemic Kaposi sarcoma, and dermatofibrosarcoma protuberans.

3.
Rev Soc Bras Med Trop ; 50(2): 273-276, 2017.
Artículo en Inglés | MEDLINE | ID: mdl-28562770

RESUMEN

Clinical presentation of paracoccidioidomycosis (PCM) can be diverse. Morphology and quantity of skin lesions depends on interactions between host immunity and fungus virulence. Diagnosis can be a challenge considering that this fungus has low virulence and some individuals have immunity to microorganism, which results in well-marked granulomas without visible microorganisms. We report herein a clinical presentation of sarcoid-like PCM, initially diagnosed as tuberculoid leprosy. This rare type of PCM is often mistaken for other types of chronic granulomatous diseases. Diagnosis was confirmed after 4 years when a special stain analysis helped in the identification of the specific etiologic agent.


Asunto(s)
Lepra Tuberculoide/diagnóstico , Paracoccidioidomicosis/diagnóstico , Sarcoidosis/diagnóstico , Adulto , Diagnóstico Diferencial , Femenino , Humanos , Paracoccidioidomicosis/tratamiento farmacológico , Paracoccidioidomicosis/patología , Sarcoidosis/patología
4.
Rev. Soc. Bras. Med. Trop ; 50(2): 273-276, Mar.-Apr. 2017. graf
Artículo en Inglés | LILACS | ID: biblio-842846

RESUMEN

Abstract Clinical presentation of paracoccidioidomycosis (PCM) can be diverse. Morphology and quantity of skin lesions depends on interactions between host immunity and fungus virulence. Diagnosis can be a challenge considering that this fungus has low virulence and some individuals have immunity to microorganism, which results in well-marked granulomas without visible microorganisms. We report herein a clinical presentation of sarcoid-like PCM, initially diagnosed as tuberculoid leprosy. This rare type of PCM is often mistaken for other types of chronic granulomatous diseases. Diagnosis was confirmed after 4 years when a special stain analysis helped in the identification of the specific etiologic agent.


Asunto(s)
Humanos , Femenino , Adulto , Paracoccidioidomicosis/diagnóstico , Sarcoidosis/diagnóstico , Lepra Tuberculoide/diagnóstico , Paracoccidioidomicosis/patología , Paracoccidioidomicosis/tratamiento farmacológico , Sarcoidosis/patología , Diagnóstico Diferencial
5.
An Bras Dermatol ; 90(2): 211-5, 2015.
Artículo en Inglés | MEDLINE | ID: mdl-25830991

RESUMEN

The study aimed to verify the therapeutic action of isotretinoin in the treatment of sebaceous hyperplasia. During two months, 20 patients with sebaceous hyperplasia took isotretinoin at a dosage of 1mg/kg per day. Their skin lesions were counted and photographed before and after treatment and re-evaluated two years later. The average number of sebaceous hyperplasia lesions before treatment was 24 per patient. At the end of two months of therapy, the number of lesions decreased to 2 per patient. The statistically analyzed data showed a reduction in the number of lesions following isotretinoin use (p < 0.05). Two years after the end of the treatment, the average number of sebaceous hyperplasia lesions was 4 per patient. There were no severe side effects. Thus, the data analysis suggests that isotretinoin is a safe and effective drug for treating the disease under study.


Asunto(s)
Fármacos Dermatológicos/uso terapéutico , Isotretinoína/uso terapéutico , Enfermedades de las Glándulas Sebáceas/tratamiento farmacológico , Glándulas Sebáceas/patología , Adulto , Femenino , Humanos , Hiperplasia/tratamiento farmacológico , Piel/efectos de los fármacos , Estadísticas no Paramétricas , Factores de Tiempo , Resultado del Tratamiento
6.
An. bras. dermatol ; 90(2): 211-215, Mar-Apr/2015. tab, graf
Artículo en Inglés | LILACS | ID: lil-741061

RESUMEN

The study aimed to verify the therapeutic action of isotretinoin in the treatment of sebaceous hyperplasia. During two months, 20 patients with sebaceous hyperplasia took isotretinoin at a dosage of 1mg/kg per day. Their skin lesions were counted and photographed before and after treatment and re-evaluated two years later. The average number of sebaceous hyperplasia lesions before treatment was 24 per patient. At the end of two months of therapy, the number of lesions decreased to 2 per patient. The statistically analyzed data showed a reduction in the number of lesions following isotretinoin use (p < 0.05). Two years after the end of the treatment, the average number of sebaceous hyperplasia lesions was 4 per patient. There were no severe side effects. Thus, the data analysis suggests that isotretinoin is a safe and effective drug for treating the disease under study.


Asunto(s)
Adulto , Femenino , Humanos , Fármacos Dermatológicos/uso terapéutico , Isotretinoína/uso terapéutico , Enfermedades de las Glándulas Sebáceas/tratamiento farmacológico , Glándulas Sebáceas/patología , Hiperplasia/tratamiento farmacológico , Estadísticas no Paramétricas , Piel/efectos de los fármacos , Factores de Tiempo , Resultado del Tratamiento
7.
Rev. Soc. Bras. Clín. Méd ; 12(1)jan.-mar. 2014. ilus
Artículo en Portugués | LILACS | ID: lil-707358

RESUMEN

Entende-se por prurido uma sensação cutânea desagradável que leva o indivíduo a coçar-se, podendo estar relacionado a doenças dermatológicas ou até mesmo sistêmicas. Esta dermatose é queixa frequente no idoso e, por vezes, apresenta um grande impacto em sua qualidade de vida. O objetivo deste estudo foi rever suas possíveis causas. Analisaram-se também os aspectos relacionados ao seu diagnóstico e tratamento. O prurido, na senilidade, pode ser associado a várias causas, sendo a xerose (pele seca) a mais frequente. A busca pela etiologia correta é um fator decisivo para a escolha do tratamento eficaz. É importante ressaltar que, nessa faixa etária, a ocorrência de reações adversas a medicamentos é alta, devido, principalmente, ao uso concomitante de vários fármacos.Uma boa avaliação, incluindo anamnese e exame físico completo, é de suma importância para que se possa fazer um raciocínio clínico adequado e aplicação de um tratamento eficaz.


Pruritus is understood as an unpleasant skin sensation that makes people scratch themselves. It may be related to skinor systemic diseases. It is a frequent complaint of the elderly and many times it highly impacts patient's quality of life. The objective of this work was to study pruritus possible causes, also analyzing aspects related to its diagnosis and treatment. Among the elderly, pruritus can be associated to various causes and the most frequent one is xerosis (dry skin). The search for the correct etiology is a decision factor for the choice of an effective treatment. It is important to highlight that in this age the occurrence of adverse drug reactions is elevated, especially because of concomitant use of multiple drugs. A welldone evaluation, including anamnesis and complete physical examination, is extremely important for an adequate clinical reasoning and for effective treatment application.


Asunto(s)
Humanos , Masculino , Femenino , Anciano , Anciano , Prurito/diagnóstico , Prurito/etiología , Prurito/terapia
8.
Dermatol Surg ; 38(7 Pt 1): 1010-6, 2012 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-22540888

RESUMEN

BACKGROUND: The clinical efficacy of intense pulsed light (IPL) in the treatment of poikiloderma of Civatte (PC) is well documented, but little is known about microscopic changes. OBJECTIVE: To analyze histopathologic findings on the necks of individuals with PC after IPL therapy. MATERIALS AND METHODS: Fourteen patients with PC on the neck underwent three monthly sessions of IPL. Biopsies and clinical photographs were taken before and 60 days after treatment. A dermatopathologist analyzed histopathologic slides stained with hematoxylin and eosin, Masson's trichrome, Verhoeff-van Gieson and Fontana-Masson or processed for CD-34 immunohistochemistry. The slides also underwent digital image analysis. Clinical results were based on the analysis of the pictures by three dermatologists and on patient satisfaction. RESULTS: Intense pulsed light treatment resulted in more-homogeneous melanin distribution; a greater number of fibroblasts and nonfragmented elastic fibers; and greater density (p = .01), color intensity (p = .02), number and thickness of the collagen bundles. No significant changes in vessels' number or diameters were observed. Clinical results were positive in 92.9% of the cases. CONCLUSION: IPL treatment of PC induced a more-homogeneous distribution of melanin and increased nonfragmented elastic fibers, collagen density, and intensity. These changes were related to clinical improvement.


Asunto(s)
Fototerapia , Trastornos de la Pigmentación/patología , Piel/patología , Telangiectasia/patología , Adulto , Atrofia/patología , Atrofia/radioterapia , Colágeno , Femenino , Humanos , Masculino , Persona de Mediana Edad , Trastornos de la Pigmentación/radioterapia , Telangiectasia/radioterapia
9.
An Bras Dermatol ; 86(5): 917-23, 2011.
Artículo en Inglés, Portugués | MEDLINE | ID: mdl-22147031

RESUMEN

BACKGROUND: The sebaceous glands are susceptible to the effects of androgens. A benign proliferation of these hormones, i.e. hyperplasia, occurs with age. OBJECTIVES: This was a pilot study to demonstrate whether any correlation exists between circulating androgen levels and an increase in the incidence of sebaceous hyperplasia. METHODS: Sixteen female patients with a diagnosis of sebaceous hyperplasia were compared to a control group of females of a similar age without the disease. Blood tests were performed on participants of both groups to measure circulating androgen levels (free and total testosterone and androstenedione levels). Results were tabulated for statistical analysis. RESULTS: These data showed no statistically significant differences in circulating androgen levels between the patients with sebaceous hyperplasia and the control group. CONCLUSION: These data suggest that no significant changes occur in circulating androgen levels [free and total testosterone, androstenedione, dehydroepiandrosterone (DHEA) and DHEA sulfate] in patients with sebaceous hyperplasia.


Asunto(s)
Androstenodiona/sangre , Dihidrotestosterona/sangre , Enfermedades de las Glándulas Sebáceas/patología , Glándulas Sebáceas/patología , Testosterona/sangre , Adulto , Anciano , Biomarcadores/sangre , Estudios de Casos y Controles , Femenino , Humanos , Hiperplasia/sangre , Hiperplasia/patología , Persona de Mediana Edad , Proyectos Piloto , Estudios Prospectivos , Enfermedades de las Glándulas Sebáceas/sangre
10.
Rev. Soc. Bras. Clín. Méd ; 9(6)nov.-dez. 2011.
Artículo en Portugués | LILACS | ID: lil-606363

RESUMEN

JUSTIFICATIVA E OBJETIVOS: O câncer da pele é a neoplasia de maior incidência no Brasil. O câncer na pele negra é menos comum em relação à pele clara, mas está frequentemente associado com o aumento da morbidade e da mortalidade. O objetivo deste estudo foi observar o câncer na pele negra no Brasil. CONTEÚDO: Em indivíduos de pele escura o carcinoma espinocelular é a neoplasia mais comum, seguido do carcinoma basocelular e do melanoma. O carcinoma espinocelular e o melanoma geralmente ocorrem em locais não expostos ao sol e a radiação ultravioleta não é um fator etiológico importante,ao contrário do carcinoma basocelular que habitualmente localiza-se em regiões mais expostas. Os tumores nessa população tendem a se apresentar em estágios mais avançados e com pior prognóstico. Inúmeros fatores contribuem para isso, como a falta de experiência médica para diagnóstico e tratamento de doenças cutâneas de diferentes etnias, crença de que a pele negra é completamente protegida contra o câncer da pele, e menor acesso aos cuidados médicos e triagem preventiva por fatores socioeconômicos e culturais. No entanto, como no Brasil existe um grande número de negros, é necessário que os médicos se familiarizem com as diferentes nuanças que ocâncer da pele pode adquirir na pele mais pigmentada. CONCLUSÃO: Os cânceres da pele representam um risco significativo nas pessoas de pele escura, os médicos deveriam centrar-se sobre medidas preventivas nestes grupos, como exames de pele regular, autoexame, educação pública e programas de rastreio.


BACKGROUND AND OBJECTIVES: Skin cancer is the most frequent neoplasm in Brazil. The black skin cancer is less commonin relation to the skin, but is often associated with increased morbidity and mortality. This paper to study cancer in black skinin Brazil. CONTENTS: In individuals with dark skin squamous cell carcinomais the most common neoplasm, followed by basal cell carcinoma and melanoma. Squamous cell carcinoma and melanoma often occur in places not exposed to sunlight and ultraviolet radiationis not an important etiologic factor, unlike basal cell carcinoma usually located in regions most at risk. The tumors in this population tend to present in more advanced stages and bring a worse prognosis. Several factors contribute to this, the lack of medical expertise for diagnosis and treatment of skin diseases of different ethnicities, belief that black skin is fully protected against skin cancer, and less access to medical care and preventive screening for socioeconomic and cultural factors. However, as in Brazil there are a large number of blacks, it is necessary that health professionals become familiar with the different nuances that skin cancer can occurred the skin pigmentation. CONCLUSION: The skin cancers represent a significant risk in people with dark skin; doctors should focus on preventive measuresin these groups, such as regular skin examinations, self-examination, public education and screening programs.


Asunto(s)
Humanos , Población Negra , Carcinoma Basocelular , Carcinoma de Células Escamosas , Melanoma/patología , Neoplasias Cutáneas/patología , Brasil/epidemiología
11.
An. bras. dermatol ; 86(5): 917-923, set.-out. 2011. tab
Artículo en Portugués | LILACS | ID: lil-607459

RESUMEN

FUNDAMENTOS: As glândulas sebáceas são suscetíveis à ação dos hormônios androgênios e apresentam proliferação benigna com a idade, ou seja, hiperplasia. OBJETIVOS: Estudo piloto para verificar se há correlação entre a taxa de hormônios masculinos circulantes e o aumento da incidência da hiperplasia das glândulas sebáceas. MÉTODOS: 16 pacientes do sexo feminino, com diagnóstico de hiperplasia sebácea cutânea, foram comparados a um grupo-controle de mesmo gênero e idades semelhantes, sem a doença. Ambos os grupos foram submetidos a testes de dosagem sanguínea para avaliação das taxas de hormônios androgênios circulantes (testosterona livre e total, androstenediona). Os resultados foram tabulados e analisados estatisticamente. RESULTADOS: Os dados demonstraram não haver mudanças nos níveis de hormônios masculinos circulantes dos pacientes com hiperplasia sebácea cutânea, quando comparados ao grupo-controle. CONCLUSÃO: Os dados sugerem que não há alterações estatisticamente significantes nas taxas dos hormônios circulantes (testosterona livre e total, androstenediona, deidroepiandrosterona, sulfato de deidroepiandrosterona) dos pacientes com hiperplasia sebácea cutânea.


BACKGROUND: The sebaceous glands are susceptible to the effects of androgens. A benign proliferation of these hormones, i.e. hyperplasia, occurs with age. OBJECTIVES: This was a pilot study to demonstrate whether any correlation exists between circulating androgen levels and an increase in the incidence of sebaceous hyperplasia. METHODS: Sixteen female patients with a diagnosis of sebaceous hyperplasia were compared to a control group of females of a similar age without the disease. Blood tests were performed on participants of both groups to measure circulating androgen levels (free and total testosterone and androstenedione levels). Results were tabulated for statistical analysis. RESULTS: These data showed no statistically significant differences in circulating androgen levels between the patients with sebaceous hyperplasia and the control group. CONCLUSION: These data suggest that no significant changes occur in circulating androgen levels [free and total testosterone, androstenedione, dehydroepiandrosterone (DHEA) and DHEA sulfate] in patients with sebaceous hyperplasia.


Asunto(s)
Adulto , Anciano , Femenino , Humanos , Persona de Mediana Edad , Androstenodiona/sangre , Dihidrotestosterona/sangre , Enfermedades de las Glándulas Sebáceas/patología , Glándulas Sebáceas/patología , Testosterona/sangre , Biomarcadores/sangre , Estudios de Casos y Controles , Hiperplasia/sangre , Hiperplasia/patología , Proyectos Piloto , Estudios Prospectivos , Enfermedades de las Glándulas Sebáceas/sangre
12.
An Bras Dermatol ; 85(2): 137-45; quiz 146-7, 2010.
Artículo en Inglés | MEDLINE | ID: mdl-20520928

RESUMEN

Occupational Dermatosis is described as any alteration in the skin, mucosa or annexes that is directly or indirectly caused, conditioned, maintained or aggravated by agents present in the occupational activity or work environment. The authors of the present study describe the importance of the topic and the epidemiology and etiopathogeny of the main forms of occupational dermatoses: allergic and irritative contact dermatitis, phytodermatitis, acne (elaioconioses and chloracne), keratosis, cancers, foreign body granuloma, infections, onychias, and ulcerations. Clinical findings of occupational dermatosis are presented in relation to various professions. Laboratory tests used to diagnose this condition are analysed, with special emphasis on patch testing, which is the gold standard. Information about the treatment and prevention of this disorder is provided. Collective and individual measures, especially regarding the proper use of individual protection equipment for the prevention of occupational dermatosis, are detailed.


Asunto(s)
Dermatitis Profesional , Dermatitis Profesional/clasificación , Dermatitis Profesional/diagnóstico , Dermatitis Profesional/etiología , Humanos
13.
Einstein (Säo Paulo) ; 8(2)abr.-jun. 2010. tab, graf
Artículo en Inglés, Portugués | LILACS | ID: lil-550950

RESUMEN

Objectives: To verify the incidence of skin diseases in newborns of pregnant women at risk of a public hospital in the city of Santos, Brazil (Hospital Guilherme Alvaro), determining the potential relation between these dermatoses and diseases presented by the mothers. Methods: A total of 1,000 neonates were examined in the first 36 hours of life. The examination was repeated daily in each child up to hospital discharge. The paternal and newborn variables were submitted to analysis to detect statistically significant associations. Results: The most frequent skin disorders were: Mongolian spot (69.8%), erythema toxicum neonatorum (19.7%), Port-wine stain (angiomatous naevi) (13.9%), and hypertrichosis lanuginose (10.3%). Conclusions: Minipuberty had a low incidence in neonates of diabetic mothers. The incidence of Mongolian spot was very low among newborns classified as caucasian.


Objetivos: O principal objetivo deste trabalho foi estudar as dermatoses em uma população específica de recém-nascidos do Hospital Guilherme Álvaro (Santos, SP), verificando-se a possível correlação dessas dermatoses com doenças apresentadas pelas mães durante a gestação. Métodos: Mil crianças recém-nascidas foram examinadas nas primeiras 36 horas de vida e reexaminadas todos os dias seguintes, até a alta hospitalar. As variáveis paternas e as dos recém-nascidos foram submetidas à análise para se detectarem relações significativas estatisticamente. Resultados: As dermatoses mais diagnosticadas foram: mancha mongólica (69,8%), eritema tóxico neonatal (19,7%), mancha de vinho-do-porto (13,8%) e hipertricose lanuginosa (10,3%). Conclusões: A puberdade em miniatura teve baixa incidência entre os neonatos de mães diabéticas. A mancha mongólica teve incidência muito baixa entre recém-nascidos classificados como brancos.


Asunto(s)
Humanos , Masculino , Femenino , Embarazo , Recién Nacido , Anomalías Congénitas , Enfermedades de la Piel , Interpretación Estadística de Datos
14.
An. bras. dermatol ; 85(2): 137-147, mar.-abr. 2010. ilus
Artículo en Portugués | LILACS | ID: lil-547471

RESUMEN

Dermatose ocupacional é qualquer alteração da pele, mucosa e anexos, direta ou indiretamente causada, condicionada, mantida ou agravada por agentes presentes na atividade ocupacional ou no ambiente de trabalho. Os autores referem a importância do tema, a epidemiologia e a etiopatogenia das principais dermatoses ocupacionais: dermatites de contato irritativas e alérgicas, fitodermatites, acnes (elaioconiose e cloracne), ceratoses, cânceres, granulomas de corpo estranho, infecções, oníquias e ulcerações. A clínica da dermatose ocupacional é apresentada em diferentes profissões. Analisam-se os exames laboratoriais pedidos nessas dermatoses, com especial destaque para testes de contato, que são o padrão ouro, e fornecem-se dados do tratamento e prevenção; quanto à prevenção da dermatose ocupacional, informam-se as medidas coletivas e individuais, especialmente, no que respeita ao uso adequado dos equipamentos de proteção individual.


Occupational Dermatosis is described as any alteration in the skin, mucosa or annexes that is directly or indirectly caused, conditioned, maintained or aggravated by agents present in the occupational activity or work environment. The authors of the present study describe the importance of the topic and the epidemiology and etiopathogeny of the main forms of occupational dermatoses: allergic and irritative contact dermatitis, phytodermatitis, acne (elaioconioses and chloracne), keratosis, cancers, foreign body granuloma, infections, onychias, and ulcerations. Clinical findings of occupational dermatosis are presented in relation to various professions. Laboratory tests used to diagnose this condition are analysed, with special emphasis on patch testing, which is the gold standard. Information about the treatment and prevention of this disorder is provided. Collective and individual measures, especially regarding the proper use of individual protection equipment for the prevention of occupational dermatosis, are detailed.


Asunto(s)
Humanos , Dermatitis Profesional , Dermatitis Profesional/clasificación , Dermatitis Profesional/diagnóstico , Dermatitis Profesional/etiología
16.
Einstein (Sao Paulo) ; 8(2): 143-8, 2010 Jun.
Artículo en Inglés, Portugués | MEDLINE | ID: mdl-26759994

RESUMEN

OBJECTIVES: To verify the incidence of skin diseases in newborns of pregnant women at risk of a public hospital in the city of Santos, Brazil (Hospital Guilherme Alvaro), determining the potential relation between these dermatoses and diseases presented by the mothers. METHODS: A total of 1,000 neonates were examined in the first 36 hours of life. The examination was repeated daily in each child up to hospital discharge. The paternal and newborn variables were submitted to analysis to detect statistically significant associations. RESULTS: The most frequent skin disorders were: Mongolian spot (69.8%), erythema toxicum neonatorum (19.7%), Port-wine stain (angiomatous naevi) (13.9%), and hypertrichosis lanuginose (10.3%). CONCLUSIONS: Minipuberty had a low incidence in neonates of diabetic mothers. The incidence of Mongolian spot was very low among newborns classified as caucasian.

17.
Surg. cosmet. dermatol. (Impr.) ; 1(3): 145-146, Jul.-Set. 2009. ilus.
Artículo en Inglés, Portugués | LILACS | ID: biblio-884419

RESUMEN

A biópsia da glândula salivar menor é essencial para o diagnóstico da síndrome de Sjögren. Os autores demonstram o uso da pinça de calázio para facilitar este procedimento. A pinça de calázio retém o sangramento da mucosa labial e expõe mais facilmente as glândulas salivares para a sua dissecação e exérese individual, o que facilita a remoção de várias glândulas para a realização do exame histopatológico.


Minor salivary gland biopsy is essential for the diagnosis of Sjögren's syndrome. The authors demonstrate the use of chalazion clamp to facilitate this procedure. Chalazion clamp retains the lip mucosal bleeding and exposes the salivary glands more easily for their dissection and excision individually, which facilitates the removal of various glands to histopathological examination.

18.
An. bras. dermatol ; 83(5): 451-459, set.-out. 2008. ilus
Artículo en Portugués | LILACS | ID: lil-502784

RESUMEN

A acne vulgar é uma das dermatoses mais freqüentes na população em geral. Encontra-se na literatura grande número de trabalhos científicos referentes sobretudo a sua etiopatogenia. No entanto, dado o grande número de informações geradas a respeito, dificilmente consegue-se reuni-las em entendimento comum. Esta revisão literária foi proposta a fim de abordar os mecanismos etiopatogênicos clássicos da acne vulgar (produção sebácea, hiperqueratinização folicular, colonização bacteriana folicular e inflamação glandular) e o mecanismo coadjuvante principal, a influência hormonal.


Acne vulgaris is one of the most frequent dermatoses in the general population. Numerous scientific articles are available on acne, mostly relating to its etiopathogeny. This notwithstanding, the large amount of scientific information generated by works on acne vulgaris has made it difficult to converge knowledge on its etiopathogeny into a single understanding. Therefore, this review has been proposed to analyze the four classic mechanisms of this dermatosis (sebum production, follicular hyperkeratinization, bacterial colonization and glandular inflammation), as well as its secondary mechanism, namely hormonal mediation.

19.
Pediatr Dermatol ; 25(3): 407-8, 2008.
Artículo en Inglés | MEDLINE | ID: mdl-18577064

RESUMEN

Deep granuloma annulare is a rare variance of granuloma annulare. We present a 4-year-old boy with 30 lesions located only in the scalp with spontaneous regression of all lesions.


Asunto(s)
Granuloma Anular/diagnóstico , Dermatosis del Cuero Cabelludo/diagnóstico , Tejido Subcutáneo/patología , Preescolar , Diagnóstico Diferencial , Humanos , Masculino , Remisión Espontánea , Cuero Cabelludo/patología , Piel/patología
20.
An. bras. dermatol ; 83(1): 7-20, jan.-fev. 2008.
Artículo en Portugués | LILACS | ID: lil-478732

RESUMEN

Este estudo aborda a dermatologia na pele negra. Inicialmente, discute os conceitos de raça e etnia, assim como os critérios de classificação da população brasileira, indicando as regiões em que a população negra se concentra. A seguir, faz breve explanação sobre os sistemas de classificação da cor da pele e descreve particularidades estruturais, biológicas e funcionais da epiderme, derme e anexos cutâneos que diferenciam as peles clara e escura. Posteriormente, mostra algumas alterações fisiológicas comumente observadas na pele, nas unhas e nas mucosas dos indivíduos negros. Aponta, também, alguns padrões de reações e modificações da cor das lesões, decorrentes da hiperpigmentação cutânea, que determinam aspectos inusitados às dermatoses, dificultando seu reconhecimento. Finalmente, destaca algumas doenças em especial, enfatizando particularidades inerentes ao padrão das lesões e à freqüência de algumas dermatoses na pele negra. Nesse contexto, a intenção foi fornecer dados para auxiliar o dermatologista a se familiarizar com as diferentes nuanças que as doenças podem adquirir na pele mais pigmentada.


This study approaches dermatology in dark skinned individuals. First, it discusses the concepts of race and ethnicity, as well as the classification criteria of the Brazilian population, indicating areas where the dark skinned people are concentrated. Next, it makes one brief explanation on skin color classification systems and describes structural, biological and functional characteristics of the epidermis, dermis and cutaneous attachments that differentiate dark from fair skin. It also approaches some physiological alterations that usually are observed in the skin, nails and in the mucosa of dark skinned people. Also discussed are some patterns of reactions and alterations of lesion color, due to cutaneous hyperpigmentation, which lend unexpected aspects to the dermatosis, making its recognition difficult. Finally, the study highlights some diseases in particular, emphasizing inherent characteristics associated to lesion patterns and the frequency of some dermatoses in the black skin. The aim of this study was to bring data to help the dermatologist be familiar with the different nuances that lesions may present in a more pigmented skin.

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