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An. bras. dermatol ; 96(6): 688-692, Nov.-Dec. 2021. tab
Article in English | LILACS | ID: biblio-1355634


Abstract Background: Although COVID-19 pandemic significantly induces mortality, many of the patients who recovered present other medical problems such as alopecias. Telogen effluvium is a common alopecia that is usually related to previous events such as acute febrile diseases, including COVID-19. Objective: To evaluate the characteristics of telogen effluvium in COVID-19. Method: This cross-sectional study was carried out on 526 patients with documented telogen effluvium that recovered from COVID-19. Demographic data, concurrent alopecia, associated diseases, and COVID-19 severity were recorded. Data were analyzed by appropriate statistical methods. Results: The mean age of the 526 patients (410 females, 116 males) was 30.97±9.592 years, with 7.65 ± 1.739 weeks of mean time of alopecia onset. Vitamin D deficiency (24.3%), androgenetic alopecia (78.2%), and grade III COVID-19 severity were the most common findings. Alopecia onset was significantly earlier in the younger age group, females, in hypothyroidism, and more severe coronavirus infection. Higher grade coronavirus infection was significantly seen in males, higher ages, earlier onset, and androgenic alopecia. Study limitations: Performing a single-center study and considering limited variables. Conclusion: Although Coronavirus 2 infection can be an important factor in telogen effluvium induction, other factors such as associated diseases, drug intake and emotional stress may also be involved. In the cases of early onset of alopecia, concomitant diseases such as hypothyroidism and severe coronavirus infection can occur, thus, the presence of various factors in telogen effluvium induction should be considered.

Humans , Male , Female , Adult , Young Adult , Alopecia Areata , COVID-19 , Cross-Sectional Studies , Alopecia/epidemiology , Pandemics , SARS-CoV-2 , Iran/epidemiology
An. bras. dermatol ; 96(5): 569-573, Sept.-Oct. 2021. graf
Article in English | LILACS | ID: biblio-1345156


Abstract Monilethrix is a rare defect of the hair shaft, with most cases showing an autosomal dominant pattern of inheritance and variable clinical expression. It is characterized by hypotrichosis secondary to hair fragility. The diagnosis is made through trichoscopy, detecting typical findings such as periodic narrowing at regular intervals, giving the hair the appearance of beads in a rosary. This article reports the case of six members of a family diagnosed with monilethrix with alopecia of varying degrees.

Humans , Alopecia Areata , Hair Diseases , Scalp , Alopecia/diagnosis , Alopecia/genetics , Hair
An. bras. dermatol ; 96(5): 605-608, Sept.-Oct. 2021. graf
Article in English | LILACS | ID: biblio-1345135


Abstract Five cases of telogen effluvium undergoing resolution are shown, with the presence of frontal, bitemporal, and occipital hair regrowth. Diagnosing acute telogen effluvium after the end of the active phase can be challenging, especially when the pull test is negative. The differential diagnosis includes alopecia areata and traction alopecia. Clinical signs of hair regrowth after telogen effluvium can help in the diagnosis. The frontal and temporal areas have more telogen hairs and are more affected. On the occipital area, hairs seem to have the same behavior. The acute telogen effluvium triad during resolution is proposed: frontal fringe, temporal recess and occipital fringe.

Humans , Alopecia Areata/diagnosis , Acute Disease , Diagnosis, Differential , Alopecia/diagnosis , Hair
Diagn. tratamento ; 26(1): 16-20, jan.-mar. 2021.
Article in Portuguese | LILACS | ID: biblio-1247975


Contexto: Alopecia frontal fibrosante (AFF) é uma alopecia cicatricial que acomete a região frontotemporal, e predomina em mulheres pós-menopausadas. Objetivo: Descrever o perfil clínico, histopatológico e tricoscópico de pacientes com diagnóstico de AFF. Desenho e local: Estudo de coorte retrospectivo observacional que foi desenvolvido no ambulatório de tricologia do departamento de dermatologia do Hospital Santa Casa de Misericórdia de Vitória, Vitória (ES), Brasil. Métodos: O estudo foi realizado por meio da análise de prontuários e de revisão histopatológica de pacientes com diagnóstico de AFF atendidos entre 1 de março de 2019 a 29 de fevereiro de 2020. Resultados: No período, 17 pacientes do sexo feminino foram diagnosticadas com AFF, 76,5% delas na pós-menopausa. Todas apresentavam alopecia frontotemporal e madarose. À tricoscopia, ausência de pelos velus, aberturas foliculares reduzidas, hiperceratose folicular e eritema perifolicular foram encontrados na maioria dos casos. Todas as biópsias mostraram aspectos microscópicos compatíveis com AFF. O tratamento mais utilizado foi tacrolimo 0,1%. Discussão: A patogênese da AFF ainda não é compreendida. A associação com doenças autoimunes sugere a influência da imunidade no quadro. A tricoscopia é uma ferramenta de fácil acesso e não invasiva que pode auxiliar no diagnóstico. Histopatologicamente a AFF é indistinguível do líquen plano pilar. O tratamento objetiva reduzir a inflamação e retardar a progressão da doença. Conclusões: Embora apresentações clínicas e tricoscópicas tenham sido descritas ao longo dos anos, a patogênese, a histologia e os tratamentos eficazes para AFF ainda são debatidos. O reconhecimento e o tratamento precoce da doença permitiriam a redução da progressão da doença.

Epidemiologic Studies , Dermoscopy , Alopecia , Hair Diseases , Lichen Planus
An. bras. dermatol ; 95(5): 631-637, Sept.-Oct. 2020. tab, graf
Article in English | ColecionaSUS, LILACS, ColecionaSUS | ID: biblio-1130955


Abstract Chemotherapy-induced alopecia causes an important impact on cancer patients and its risk of persistence is currently a considerable issue in cancer survivors. Of the various interventions proposed for the prevention of chemotherapy-induced alopecia, scalp cooling has emerged as an effective and safe strategy. This paper aims to provide an overview on scalp cooling and chemotherapy-induced alopecia prevention.

Humans , Breast Neoplasms/drug therapy , Hypothermia, Induced , Antineoplastic Agents/adverse effects , Scalp , Antineoplastic Combined Chemotherapy Protocols , Alopecia/chemically induced , Alopecia/prevention & control
Rev. colomb. psiquiatr ; 49(3): 208-210, jul.-set. 2020.
Article in Spanish | LILACS, COLNAL | ID: biblio-1149829


RESUMEN Introducción: El TDAH tiene una prevalencia del 1-4% de la población escolar española. Su tratamiento se realiza con derivados anfetamínicos y, recientemente, con fármacos no esti mulantes; los estudios realizados no han encontrado diferencias de eficacia. Caso clínico: Niña de 7 arios llegó derivada desde neurología por retraso en el aprendizaje y trastornos de conducta. Orientada como TDAH, se inició tratamiento con metilfenidato de liberación inmediata y posteriormente con la fórmula OROS; apareció alopecia areata y se retiró el tratamiento. Tras la reintroducción de metilfenidato de liberación modificada 30:70, se consiguió controlar los síntomas sin que apareciera alopecia. Discusión: Hay antecedentes publicados de 2 casos de alopecia areata con metilfenidato OROS, que se resolvieron tras el aumento de dosis del fármaco, aunque no se conoce clara mente el motivo de este suceso. No hay consenso sobre el uso prioritario de la fórmula de liberación inmediata o la fórmula OROS del metilfenidato.

ABSTRACT Introduction: Attention deficit hyperactivity disorder has a prevalence of 1-4% of the Spanish school population. Its treatment consists of giving amphetamine derivatives and, recently, non-stimulant drugs, without finding any differences in efficacy in the studies performed. Clinical case: A 7-year-old girl was referred from neurology due to learning delay and behaviour disorders. Diagnosed as likely ADHD, treatment was started with immediate release methylphenidate, and later with an osmotic release oral system (OROS) methylphenidate. When alopecia areata appeared, this treatment was withdrawn. After the re-introduction of modified release methylphenidate 30:70, symptom control was achieved without the appearance of alopecia. Discussion: There is a published history of two cases of alopecia areata with OROS methylp henidate that resolved after increasing the dose of the drug without clearly knowing the reason for this event. There is no consensus on the priority use of the immediate release formula or the OROS methylphenidate.

Humans , Female , Child , Alopecia , Methylphenidate , Attention Deficit Disorder with Hyperactivity , Pharmaceutical Preparations , Alopecia Areata , Dosage
Arq. bras. med. vet. zootec. (Online) ; 72(4): 1172-1184, July-Aug. 2020. tab, ilus
Article in Portuguese | LILACS, VETINDEX | ID: biblio-1131494


Diante da carência de estudos sobre a frequência de dermatopatias que acometem cães por região geográfica no Brasil, o presente estudo objetivou conhecer a frequência das principais doenças cutâneas que afetam cães na região metropolitana de João Pessoa, Paraíba, Brasil. Os dados foram coletados de cães que passaram por atendimento dermatológico no período de setembro de 2014 a dezembro de 2016. Além dos exames clínicos e dermatológicos os cães foram submetidos a exames complementares (citológico, raspado de pele, parasitológico, tricograma, bacteriológico, micológico, histopatológico e molecular). No período do estudo, foram atendidos 1.083 cães, em que 18,65% (202/1.083) apresentavam algum tipo de dermatopatia não tumoral. Dos 202 cães acometidos, 51,49% (104/202) eram machos e 48,51% (98/202), fêmeas. Desses 202 cães, 13 tinham dois diagnósticos, totalizando 215 dermatopatias. Dos cães afetados, 62,87% (127/202) eram de raça definida e 37,13% (75/202), sem raça definida (SRD). As lesões observadas com mais frequência caracterizaram-se por áreas alopécicas, hipotricoicas, maculosas, erosivas e ulcerativas, placoides, eritematosas, assim como comedões, colaretes, seborreia. As dermatopatias parasitárias foram as mais frequentes (35,35%; 76/215), seguidas pelas dermatopatias bacterianas (24,19%; 52/215), dermatopatias alérgicas (20,00%; 43/215), dermatopatias fúngicas (17,21%; 37/215), dermatopatias por outras causas (2,32%; 5/215) e pelas dermatopatias autoimunes (0,93%; 2/215). Os exames físicos e dermatológicos, incluindo anamnese detalhada, histórico clínico apurado, associado a exames complementares, são ferramentas importantes para o diagnóstico das dermatopatias em cães. Presume-se que a frequência de dermatopatias em cães na região de estudo possa ser maior do que a observada.(AU)

Faced with the lack of studies on the frequency of dermatopathies that affect dogs by geographical region in Brazil, the present study aimed to evaluate the frequency of dermatopathies that affect the canine species in the metropolitan region of João Pessoa, Paraíba, Brazil. Data was collected from dogs that underwent dermatological care from September 2014 to December 2016. In addition to the clinical and dermatological examinations, dogs underwent complementary exams, such as cytological, skin scraping, parasitological skin examination, trichogram, bacteriological, mycological, histopathological and/or polymerase chain reaction. During the study period, 1,083 dogs were examined, in which 18.65% (202 /1,083) had some form of non-tumoral dermatopathy. Of the 202 dogs affected, 51.49% (104/202) were males and 48.51% (98/202) females. Of these 202 dogs, thirteen had two diagnoses, totaling 215 dermatopathies. 62.87% (127/202) of the affected dogs were purebred and 37.13% (75/202) were without a defined breed (WDB). The most frequently observed lesions were alopecia, hypotric, macular, erosive and ulcerative, placoid, erythematous areas, as well as comedones, collaretes and seborrhoea. The parasitic dermatopathies were the most frequent (35.35%; 76/215), followed by bacterial dermatopathies (24,19%; 52/215), allergic dermatopathies (20,00%; 43/215), dermatomycosis (17,21%; 37/215), dermatopathies for other causes (2,32%; 5/215) and autoimmune dermatopathies (0.93%; 2/215). Clinical and dermatological examination, including a detailed anamnesis, accurate clinical history and associated complementary exams are important tools for the diagnosis of dermatopathies in dogs. Available literature present some studies with canine dermatopathies frequencies superior to that obtained in the present study; however, the number of animals examined was smaller. In this survey, it was possible to establish the primary and secondary diagnoses in 100.0% of the non-tumoral dermatopathies in dogs, results higher than in previous studies. Probably, the frequency of canine dermatopathies in this region is higher than that observed, thus requiring additional studies with greater sampling.(AU)

Animals , Dogs , Skin Diseases, Parasitic , Skin Diseases, Bacterial , Dermatitis, Seborrheic , Dermatomycoses , Alopecia , Brazil , Polymerase Chain Reaction/veterinary
An. bras. dermatol ; 95(4): 447-451, July-Aug. 2020. tab
Article in English | ColecionaSUS, LILACS, ColecionaSUS | ID: biblio-1130924


Abstract Background Telogen effluvium is the most common form of non-scarring alopecia characterized by diffuse hair loss. Ischemia-modified albumin is a marker of oxidative stress and inflammation. Objective The aim of this study was to compare the levels of ischemia-modified albumin of telogen effluvium patients with healthy controls. Methods Ninety-one patients diagnosed with telogen effluvium and 35 healthy volunteers were included in the study. Serum ischemia-modified albumin level was determined by a fast-colorimetric method, and albumin cobalt binding test. The results were evaluated statistically. Results There was no statistically significant difference between the serum albumin values of patient and control groups (p = 0.739). Serum ischemia-modified albumin values were significantly higher in the patients with telogen effluvium than healthy controls (p < 0.001). Study limitations Body mass index values of the patient and control groups could not be calculated. Conclusions To the best of the authors' knowledge, this is the first clinical study to investigate the role of oxidative stress in the pathogenesis of telogen effluvium using ischemia-modified albumin as a biomarker. Based on the results of the present study, it can be considered that oxidative stress plays an important role in the pathogenesis of telogen effluvium. There is a need for further studies to support the results of this study, to demonstrate the possible effects of oxidative stress, and to investigate the other oxidative stress markers in the pathogenesis of telogen effluvium.

Humans , Male , Female , Serum Albumin , Oxidative Stress/physiology , Alopecia Areata , Biomarkers , Environmental Biomarkers , Alopecia
An. bras. dermatol ; 95(4): 514-517, July-Aug. 2020. graf
Article in English | ColecionaSUS, LILACS, ColecionaSUS | ID: biblio-1130912


Abstract Dissecting cellulitis is a chronic, progressive, and relapsing inflammatory disease that predominantly affects the vertex and occiput of young Afro-descendent men. It starts with papules and pustules that evolve to nodules, abscesses, and cicatricial alopecia. This article illustrates the evolutive trichoscopy of dissecting cellulitis, from its early phase, through the abscess phase, to the fibrotic cicatricial phase. Trichoscopy complements clinical-pathological classification, representing a complementary tool useful in early diagnosis and monitoring of the patient during treatment.

Humans , Male , Cellulitis , Dermoscopy , Recurrence , Blister , Alopecia
An. bras. dermatol ; 95(4): 439-446, July-Aug. 2020. tab
Article in English | ColecionaSUS, LILACS, ColecionaSUS | ID: biblio-1130910


Abstract Background Hair graying is common in humans; but there is scarce data about its epidemiology. Objective This study aimed to evaluate the clinical and epidemiological characteristics and associated factors of hair graying. Methods A total of 1541 volunteers between 15 and 65 years old were included in this population-based, cross-sectional study. A questionnaire on characteristics and associated factors of hair graying was filled in by face-to-face interview method. Results One thousand sixty three participants (69.0%) had hair graying. The mean onset age of hair graying was 32.9 ± 9.8 years. It was 31.7 ± 9.5 years in females, whereas 33.7 ± 10.0 years in males (p = 0.001). The most common involved area of hair graying at the onset and at the time of the interview was temporal region. When it was evaluated by gender, it was temporal in males whereas parietal in females. Hair graying was more severe in males than in females and in late-onset hair graying than early-onset hair graying (respectively, p = 0.000, p < 0.001). The most common involved area at the onset and at the present was temporal in severe hair graying; whereas parietal in mild hair graying. In logistic regression analysis, age, educational status, presence of hair loss, skin type, family history of early-onset hair graying and anxiety were independently related to hair graying (p < 0.05). Study limitations The study was performed in only Turkish individuals. The recall biases were another limitations. Conclusion Male gender, late-onset and temporal-onset of hair graying may be considered to be poor prognostic factors for hair graying. There is need for further epidemiological studies in people with different ethnic origin to illuminate the clinical and epidemiological characteristics and associated factors of hair graying.

Humans , Male , Female , Adolescent , Adult , Aged , Young Adult , Hair Color , Turkey/epidemiology , Cross-Sectional Studies , Risk Factors , Alopecia , Middle Aged
An. bras. dermatol ; 95(4): 524-526, July-Aug. 2020. graf
Article in English | ColecionaSUS, LILACS, ColecionaSUS | ID: biblio-1130909


Abstract A 58-year-old female patient presented with a single-digit clubbing on the second finger of her right hand two years previously. After investigation with imaging and incisional biopsy, superficial acral fibromyxoma was diagnosed. A brief review on single-digit clubbing and its causes is presented, focusing on superficial acral fibromyxoma.

Humans , Male , Female , Adolescent , Adult , Aged , Young Adult , Hair Color , Turkey/epidemiology , Cross-Sectional Studies , Risk Factors , Alopecia , Middle Aged
Arq. bras. med. vet. zootec. (Online) ; 72(3): 744-748, May-June, 2020. ilus
Article in English | LILACS, VETINDEX | ID: biblio-1128947


Leishmaniasis is a parasitic disease of worldwide spread. It is caused by protozoa of the genus Leishmania and is transmitted to animals and humans through the bite of sand flies. In Brazil, leishmaniasis is one of the zoonoses of major importance and expansion. The objective of this work is to describe the clinical, pathological, immunohistochemical and molecular findings of cutaneous leishmaniasis by Leishmania enriettii in guinea pig (Cavia porcellus). Three animals had nodular and alopecia lesions on the muzzle, ears and ulcerated lesions on the distal extremities of the pelvic limbs. The males (2) also had diffuse thickening of the scrotal skin. Samples of the ulcerated cutaneous lesions were evaluated by cytology which were observed as amastigote forms of Leishmania. One of the animals was euthanized and necropsied. Histopathology showed abundant dermal infiltrate of macrophages, plasma cells, lymphocytes and multinucleated giant cells. Numerous macrophages contained parasitoid vacuoles with amastigote forms, evidenced by immunohistochemical examination. The molecular characterization based on the SSUrDNA gene identified the species as L. enrietti. The diagnosis of cutaneous leishmaniasis in these cases was based on pathological findings and confirmed by immunohistochemistry, PCR and sequencing.(AU)

A leishmaniose é uma doença parasitária de distribuição mundial. É causada por protozoários do gênero Leishmania e é transmitida para animais e seres humanos por meio da picada de flebotomíneos. No Brasil, a leishmaniose é uma das zoonoses de maior importância e expansão. O objetivo deste trabalho é descrever os achados clínicos, patológicos, imuno-histoquímicos e moleculares de leishmaniose cutânea por Leishmania enriettii em cobaia (Cavia porcellus). Três animais apresentavam lesões nodulares e alopécicas no focinho e orelhas, além de lesões ulceradas nas extremidades distais dos membros pélvicos. Nos machos (2), foi observado espessamento difuso da pele escrotal. Amostras das lesões cutâneas ulceradas foram avaliadas por citologia, nas quais foram observadas formas amastigotas de Leishmania. Um dos animais foi submetido à eutanásia e necropsiado. Na histopatologia, foi observado infiltrado dérmico abundante de macrófagos, plasmócitos, linfócitos e com células gigantes multinucleadas. Numerosos macrófagos continham vacúolos parasitóforos com formas amastigotas, evidenciados por meio do exame de imuno-histoquímica. A caracterização molecular baseada no gene de SSUrDNA identificou a espécie como L. enrietti. O diagnóstico de leishmaniose cutânea nesses casos foi baseado nos achados patológicos e confirmado pelas técnicas de imuno-histoquímica, PCR e sequenciamento.(AU)

Animals , Guinea Pigs , Leishmaniasis, Cutaneous/veterinary , Leishmania enriettii/isolation & purification , Guinea Pigs/microbiology , Immunohistochemistry/veterinary , Zoonoses , Polymerase Chain Reaction/veterinary , Alopecia
An. bras. dermatol ; 95(3): 307-313, May-June 2020. tab, graf
Article in English | ColecionaSUS, LILACS, ColecionaSUS | ID: biblio-1130882


Abstract Background: Clinical and histological features may overlap between lichen planopilaris-associated and discoid lupus erythematosus-associated scarring alopecia. Objectives: The aim of this study was to demonstrate the cutaneous infiltration of plasmacytoid dendritic cells and to compare their distribution pattern in discoid lupus erythematosus and lichen planopilaris. Methods: Twenty-four cases of discoid lupus erythematosus and 30 cases of lichen planopilaris were examined for immunostaining of the CD123 marker. The percentage and distribution pattern of plasmacytoid dendritic cells and the presence of the plasmacytoid dendritic cells clusters were evaluted in the samples. Results: The number of plasmacytoid dendritic cells was higher in the discoid lupus erythematosus specimens. Aggregations of 10 cells or more (large cluster) were observed in half of the discoid lupus erythematosus specimens and only 2 lichen planopilaris, with 50% sensitivity and 93% specificity for differentiating discoid lupus erythematosus from lichen planopilaris. Study limitations: Incidence and prevalence of discoid lupus erythematosus-associated scarring alopecia in the scalp are low, so the samples size of our study was small. Conclusions: We suggest that a plasmacytoid dendritic cells cluster of 10 cells or more is highly specific for distinguishing discoid lupus erythematosus from lichen planopilaris. It also appears that CD123 immunolabeling is valuable in both active and late stages of the disease.

Humans , Male , Female , Adult , Dendritic Cells/pathology , Lupus Erythematosus, Discoid/pathology , Interleukin-3 Receptor alpha Subunit/immunology , Lichen Planus/pathology , Reference Values , Staining and Labeling , Immunohistochemistry , Biomarkers , Retrospective Studies , Alopecia/pathology , Middle Aged
Arq. ciências saúde UNIPAR ; 24(1): 35-39, jan-abr. 2020.
Article in Portuguese | LILACS | ID: biblio-1095986


O câncer infanto-juvenil corresponde a um grupo de várias doenças que têm em comum a proliferação descontrolada de células anormais e que pode ocorrer em qualquer órgão em fase de desenvolvimento. Assim, o objetivo deste estudo foi descrever o perfil clínico e epidemiológico de crianças e adolescentes atendidos na UNACON durante o ano de 2017. Trata-se de um estudo descritivo, de corte transversal, desenvolvido a partir da análise de 20 prontuários de crianças e adolescentes com câncer. Foram coletados dados sobre as características sociodemográficas e clínicas-epidemiológicas dos pacientes. Os dados foram digitados, revisados e analisados no programa estatístico SPSS, na versão 21.0. Foram calculadas as frequências e a média das variáveis de interesse. Observou-se que a maioria dos pacientes tinha de um a três anos (45,0%), era do sexo masculino (60,0%), pardos (70,0%), com renda familiar de até um salário mínimo (60,0%) e metade procedia do interior do estado (50,0%), sendo o tipo de câncer mais diagnosticado a leucemia linfoide aguda (45,0%) e o principal tratamento utilizado a quimioterapia (95,0%), causando principalmente alopecia (100%), algia (100%), náuseas (65,0%), palidez (40,0%) e febre (25,0%) nos pacientes. Foi possível concluir que conhecer o perfil pode contribuir para a tomada de decisões da equipe gestora e profissionais de saúde da unidade no estabelecimento de medidas assistenciais aos pacientes, visando um atendimento mais humanizado, voltado para as necessidades sociodemográficas e levando em consideração as características clínicas-epidemiológicas desse grupo populacional.

Child and youth cancer corresponds to a group of several diseases that have in common the uncontrolled proliferation of abnormal cells and that can occur in any organ during the development phase. Thus, the purpose of this study was to describe the clinical and epidemiological profile of children and adolescents cared at UNACON during 2017. It is a descriptive, cross-sectional study developed from the analysis of 20 records of children and adolescents with cancer. Data on the sociodemographic and clinical-epidemiological characteristics of the patients were collected. The data were entered, reviewed and analyzed using the SPSS statistical program, version 21.0. The frequencies and the average of the variables of interest were calculated. It could be observed that the majority of patients were aged between one and three years (45.0%), male (60.0%), brown (70.0%), with a family income of up to one minimum wage (60.0%) and half (50.0%) came from the interior of the state, with acute lymphoid leukemia (45.0%) being the most frequent diagnosis, and chemotherapy (95.0%) the most frequent treatment used, causing mainly alopecia (100%), pain (100%), nausea (65.0%), pallor (40.0%) and fever (25.0%) in patients. It was possible to conclude that knowing the profile can contribute to the decision-making of the management team and health professionals at the health facility in the establishment of care measures for patients, aiming at a more humanized care, focused on sociodemographic needs and taking into account the clinical-epidemiological characteristics of this population group.

Humans , Male , Female , Infant , Child, Preschool , Child , Health Profile , Neoplasms , Therapeutics , Leukemia/prevention & control , Medical Records , Diagnosis , Drug Therapy , Alopecia/drug therapy , Health Services Needs and Demand , Medical Oncology , Nausea/drug therapy
Arq. bras. med. vet. zootec. (Online) ; 72(2): 431-436, Mar./Apr. 2020. ilus
Article in English | LILACS, VETINDEX | ID: biblio-1128362


This report describes the first case of idiopathic seasonal alopecia in a horse in Brazil. The disease is of unknown etiology, characterized by alopecic processes in the thoracic and lateral abdominal regions, in a bilaterally symmetrical way. An eight-year-old male grade horse was treated presenting hair loss in a bilaterally symmetrical manner in the arm and abdomen areas, without any other associated clinical signs. The areas with alopecia showed no pruritus, inflammation or scaling. On the epidermis, the histological evaluation presented irregular hyperplasia, hyperpigmentation, compact orthokeratosis, edema and an inflammatory infiltrate. The hair follicles were active and containing hair shaft. The case was monitored with photographic records for two consecutive years (2012 to 2014), in which the hair fall occurred at the end of autumn with spontaneous hair growth in the middle of the summer. The diagnosis was based on the history, histopathology and photographic follow-up performed. Although mentioned in the literature, this is the first clinical and pathological description of such disorder affecting an equine in Brazil.(AU)

Relata-se o primeiro caso de alopecia sazonal idiopática em um equino no Brasil, doença de etiologia desconhecida, caracterizada por processos alopécicos, nas regiões torácicas e abdominais laterais, de forma simétrica bilateralmente. Um equino mestiço, macho, de oito anos de idade, foi atendido sob queixa de perda dos pelos em regiões do tórax e do abdômen, simétrica bilateralmente, sem qualquer outro sinal clínico associado. As regiões alopécicas não apresentavam prurido, inflamação nem descamação. A avaliação histológica revelou, na epiderme, hiperplasia irregular, hiperpigmentação e ortoqueratose compacta, edema e infiltrado inflamatório. Os folículos pilosos estavam ativos e contendo hastes de pelos. O caso foi acompanhado com registros fotográficos durante dois anos consecutivos (2012 a 2014), com a queda do pelo acontecendo no final do outono e com retorno espontâneo em meados do verão. O diagnóstico baseou-se no histórico, na histopatologia e no acompanhamento fotográfico. Mesmo sendo mencionada na literatura, esta é a primeira descrição clínico-patológica de tal distúrbio acometendo um equino no Brasil.(AU)

Animals , Male , Alopecia/veterinary , Seasons , Alopecia Areata/veterinary
Dermatol. pediátr. latinoam. (En línea) ; 15(1): 29-35, ene.-mar. 2020. ilus
Article in Spanish | LILACS, InstitutionalDB, BINACIS, UNISALUD | ID: biblio-1348179


La acrodermatitis enteropática (AE) es una genodermatosis autosómica recesiva causada por la mutación del gen responsable de codificar a la proteína transportadora de Zinc (Zn) SLC39A4. A pesar de ser una rara enfermedad es de fácil manejo y gran relevancia clínica. Se caracteriza por la siguiente tríada: dermatitis acral y periorificial, diarrea y alopecia. Comunicamos un caso de presentación atípica en una lactante de 6 meses de edad con lesiones periorificiales y ampollas acrales que resolvió rápidamente con la terapia suplementaria con Zinc (AU)

Enteropathic acrodermatitis is an autosomal recessive genodermatosis caused by the mutation of the gene responsible for encoding the Zinc transporter protein SLC39A4. Despite being a rare disease, it is easy to manage and of great clinical relevance. It is characterized by the following triad: acral and periorificial dermatitis, diarrhea and alopecia. We report a case of atypical presentation in an almost 6-month-old infant with periorificial lesions and acral blisters that quickly resolved with supplemental Zinc therapy (AU)

Humans , Female , Infant, Newborn , Acrodermatitis , Zinc Deficiency , Epidermolysis Bullosa Simplex , Diarrhea, Infantile , Alopecia