Anais Brasileiros de Dermatologia, Volume: 94, Issue: 1, Published: 2019
  • Participation and responsibility Editorial

    Sanches, José Antonio
  • Disseminated leishmaniasis: clinical, pathogenic, and therapeutic aspects Continuing Medical Education

    Machado, Gustavo Uzêda; Prates, Fernanda Ventin; Machado, Paulo Roberto Lima

    Abstract in English:

    Abstract: Disseminated leishmaniasis is a severe and emerging form of American tegumentary leishmaniasis. Disseminated leishmaniasis is defined by the presence of more than 10 polymorphic cutaneous lesions, distributed over more than two noncontiguous parts of the body. Nasal mucosal involvement is observed in almost half of cases. Disseminated leishmaniasis patients present with a decreased production of Th1 cytokines in the peripheral blood due to the attraction of leishmania- activated T cells to the multiple cutaneous lesions. Disseminated leishmaniasis development is poorly understood and is related to a complex network involving environmental, host immune response, and parasite factors, in which L. braziliensis polymorphism plays an important role. Disseminated leishmaniasis is a challenging disease to cure, presenting a high failure rate of 75% to pentavalent antimony therapy. Despite its importance and severity, this form of American tegumentary leishmaniasis has been poorly studied and documented, deserving greater attention from professionals working in endemic areas.
  • Epidermal necrolysis: SCORTEN performance in AIDS and non-AIDS patients Investigation

    Wambier, Carlos Gustavo; Hoekstra, Thaís Angélica; Wambier, Sarah Perillo de Farias; Bueno, Roberto; Vilar, Fernando Crivelenti; Paschoal, Renato Soriani; Roselino, Ana Maria; Frade, Marco Andrey Cipriani; Foss, Norma Tiraboschi

    Abstract in English:

    Abstract: Background: Stevens-Johnson syndrome and toxic epidermal necrolysis are life-threatening blistering drug reactions with high incidence of ocular sequela. The term ‘Epidermal Necrolysis’ has been recently used to better describe the full spectrum of the disease that includes Stevens-Johnson syndrome and toxic epidermal necrolysis at opposite ends, which differ by the extent of body surface area with epidermal detachment. SCORTEN is a mortality prognosis score for ‘Epidermal Necrolysis’ cases that still needed validation in acquired immunodeficiency syndrome. Objective: To evaluate the SCORTEN performance in acquired immunodeficiency syndrome, and the differences in outcomes between acquired immunodeficiency syndrome and non- acquired immunodeficiency syndrome cohorts. Methods: Retrospective cohort study of AIDS and non-AIDS ‘Epidermal Necrolysis’ cases admitted to a Brazilian reference center from 1990-2014. Results: Five deaths (16.7%) occurred as a consequence of EN in 30 AIDS patients, and seven (17.9%) in 39 non-AIDS patients, relative risk (RR) .92 (p=1.0). SCORTEN showed great performance, with an Area Under the Receiver Operating Curve (AUC) (ROC) of 0.90 with a 95% confidence interval ranging from .81 to .99. The performance of SCORTEN was better among non- AIDS patients than AIDS patients: AUC non- acquired immunodeficiency syndrome =0.99 (CI 05% 0.96-1.00), AUC acquired immunodeficiency syndrome = 0.74 (CI 95% 0.53-0.95), p=.02. Study Limitations: Heterogeneity of cases, wide variation of systemic corticosteroid doses when used. Conclusion: SCORTEN is valid for the Brazilian population, including among those patients with acquired immunodeficiency syndrome, and, as such, its use is recommended for aiding treatment choice in this subgroup of patients.
  • Profile of skin diseases in a community of fishermen in the northern coast of the state of São Paulo: the expected and the unusual Investigation

    Haddad, Vidal

    Abstract in English:

    Abstract: Background: The fishing colony of the Picinguaba neighborhood is located at the northern end of the coast of the state of São Paulo. It has about 300 residents, of which approximately 100 are professional fishermen. Objectives: This study aimed to identify the main dermatoses of the community in comparison with other populations, and their frequency. Methods: The dermatoses were identified and tabulated for two years, in a prospective study carried out on monthly trips to the fishermen’s colony in Picinguaba. Results: One hundred and eighteen patients were attended and followed up, which is equivalent to about 1/3 of the colony’s inhabitants. Of these, 43 were children (under the age of 14) and 75 were adolescents and adults. The diseases observed were catalogued according to the age groups. Although most dermatoses in the community were similar with those observed in the general population, some specific cases could be seen, such as folliculitis on the legs of fishermen and an unexpected low frequency of actinic lesions in the colony, as well as dermatitis by aquatic animals. Study Limitations: The limitations were monthly attendance and the spontaneous demand of the patients. Conclusions: The finding of community-specific dermatoses and the low incidence of malignant and pre-malignant tumors associated with sun exposure needs further studies for better clarification.
  • Study of tissue inflammatory response in different mice strains infected by dematiaceous fungi Fonsecaea pedrosoi Investigation

    Ogawa, Marilia Marufuji; Mariano, Mario; Silva, Maria Regina Regis; Enokihara, Milvia Maria Simões e Silva; Michalany, Nilceo Schwery; Nishikaku, Angela Satie; Silvestre, Agenor Messias; Tomimori, Jane

    Abstract in English:

    Abstract: Background: Diseases caused by melanized fungi include mycetoma, chromoblastomycosis and phaeohyphomycosis. This broad clinical spectrum depends on the dynamic interactions between etiologic agent and host. The immune status of the host influences on the development of the disease, as, an exemple. phaeohyphomicosis is more frequently observed in immunocompromised patients. Objectives: Examine the histological inflammatory response induced by Fonsecaea pedrosoi in several different strains of mice (BALB/c, C57BL/6, Nude and SCID, and reconstituted Nude). Methods: Fonsecaea pedrosoi was cultivated on agar gel and a fragment of this gel was implanted subcutaneously in the abdominal region of female adult mice. After infection has been obtained, tissue fragment was studied histopathologically. Results: There were significant changes across the strains, with the nodular lesion more persistent in Nude and SCID mice, whereas in immunocompetent mice the lesion progressed to ulceration and healing. The histopathological analysis showed a significant acute inflammatory reaction which consisted mainly of neutrophils in the initial phase that was subsequently followed by a tuberculoid type granuloma in immunocompetent mice. Study limitations: There is no a suitable animal model for chromoblastomycosis. Conclusions: The neutrophilic infiltration had an important role in the containment of infection to prevent fungal spreading, including in immunodeficient mice. The fungal elimination was dependent on T lymphocytes. The re-exposure of C57BL/6 mice to Fonsecaea pedrosoi caused a delay in resolving the infection, and appearance of muriform cells, which may indicate that re-exposure to fungi, might lead to chronicity of infection.
  • Spatial approach of leprosy in the State of São Paulo, 2009-2012 Investigation

    Ferreira, Flávia Regina; Nascimento, Luiz Fernando Costa

    Abstract in English:

    Abstract: Background: Leprosy is a chronic, infectious disease that affects the skin and the peripheral nervous system and can lead to permanent disability and/or deformity. Objectives: To identify the distribution and to quantify the spatial dependence of the detection rates of new cases of Hansen’s disease in the State of São Paulo, correlating with socioeconomic variables. Methods: Ecological and exploratory study with data on the detection rates of new cases of Hansen’s disease among residents of São Paulo State municipalities between 2009-2012. The average rate per 10,0000 inhabitants was estimated. Information on the proportion of the population with low-income and the values of the Gini index were obtained. Thematic maps were constructed with the average rates and with those obtained by the Bayesian estimator; Moran and Kernel maps were also constructed. Spatial analysis by TerraView program. An alpha of 5% was adopted. Results: In total, 7163 new cases of Hansen’s disease were recorded throughout the state. The average rate per 10,000 inhabitants, was 0.71 (SD = 1.06), ranging from zero to 12.87, with higher rates in the west of the State, in the metropolitan area of the capital and the Paraiba Valley. Municipalities with high priority for intervention were located in the west and northwest of the State. There was no correlation between rates with Gini index and low income. Study limitations: Possible inconsistency of Hansen’s disease notification database regarding information quantity, quality and processing. Conclusions: This study identified the distribution and quantified the spatial dependence of the detection rates of new cases of Hansen’s disease in the State of São Paulo, corroborating previous studies and serving as a subsidy to health managers.
  • Study of skin neoplasms in a university hospital: integration of anatomopathological records and its interface with the literature Investigation

    Rezende, Hudson Dutra; Almeida, Ana Paula Moura de; Shimoda, Eduardo; Milagre, Ana Carolina Xavier; Almeida, Liana Moura de

    Abstract in English:

    Abstract: Background: Skin cancer is a highly prevalent condition with a multifactorial etiology resulting from genetic alterations, environmental and lifestyle factors. In Brazil, among all malignant tumors, skin cancers have the highest incidences. Objective: To retrospectively evaluate the incidence, prevalence and profile of basal cell carcinoma, squamous cell carcinoma and cutaneous melanoma in Campos dos Goytacazes and region. Methods: In total, 2,207 histopathological reports of a local reference hospital were analyzed between January 2013 and December 2015, of which 306 corresponded to the neoplasms studied. Results: Of the 306 reports evaluated, 232 basal cell carcinomas (75.9%), 55 squamous cell carcinomas (18%) and 19 cutaneous melanomas (6.5%) were identified. The face was the most involved anatomical site (58.8%) and women (51%) were the most affected gender. The temporal analysis revealed a decrease in the overall incidence of 3.4% from 2013 to 2014 and 5.4% from 2014 to 2015. There was a 10.1% increase in basal cell carcinomas and 38% in melanomas in this period; however, there was a decrease in the number of squamous cell carcinomas of 14.8% during the studied years. Study limitations: Some samples of cutaneous fragments had no identification of the anatomical site of origin. Conclusion: Research that generates statistical data on cutaneous tumors produces epidemiological tools useful in the identification of risk groups and allows the adoption of more targeted and efficient future prevention measures.
  • Association between tumor-infiltrating lymphocytes and sentinel lymph node positivity in thin melanoma Investigation

    Santos, Fernando De Marco dos; Silva, Felipe Correa da; Pedron, Julia; Furian, Roque Domingos; Fortes, Cristina; Bonamigo, Renan Rangel

    Abstract in English:

    Abstract: Background: Sentinel lymph node biopsy in thin invasive primary cutaneous melanoma (up to 1mm thick) is a controversial subject. The presence of tumor-infiltrating lymphocytes could be a factor to be considered in the decision to perform this procedure. Objective: To evaluate the association between the presence of tumor-infiltrating lymphocytes and lymph node metastases caused by thin primary cutaneous melanoma. Methods: Cross-sectional study with 137 records of thin invasive primary cutaneous melanoma submitted to sentinel lymph node biopsy from 2003 to 2015. The clinical variables considered were age, sex and topography of the lesion. The histopathological variables assessed were: tumor-infiltrating lymphocytes, melanoma subtype, Breslow thickness, Clark levels, number of mitoses per mm2, ulceration, regression and satellitosis. Univariate analyzes and logistic regression tests were performed as well the odds ratio and statistical relevance was considered when p <0.05. Results: Among the 137 cases of thin primary cutaneous melanoma submitted to sentinel lymph node biopsy, 10 (7.3%) had metastatic involvement. Ulceration on histopathology was positively associated with the presence of metastatic lymph node, with odds ratio =12.8 (2.77-59.4 95% CI, p=0.001). The presence of moderate/marked tumor-infiltrating lymphocytes was shown to be a protective factor for the presence of metastatic lymph node, with OR=0.20 (0.05-0.72 95% CI, p=0.014). The other variables - clinical and histopathological - were not associated with the outcome. Study limitations: The relatively small number of positive sentinel lymph node biopsy may explain such an expressive association of ulceration with metastatization. Conclusions: In patients with thin invasive primary cutaneous melanoma, few or absent tumor-infiltrating lymphocytes, as well as ulceration, represent independent risk factors for lymph node metastasis.
  • Subsets of T lymphocytes in the lesional skin of pityriasis rosea Investigation

    Wang, Shuqin; Fu, Liying; Du, Wenhui; Hu, Jun; Zha, Yongsheng; Wang, Peiguang

    Abstract in English:

    Abstract: Background: Pityriasis rosea is a common papulosquamous disorder. However, its etiology and pathogenesis remain unclear. Objective: We investigate the types of inflammatory cells infiltrating the lesional skin of pityriasis rosea and demonstrate whether T-cell-mediated immunity is involved in the pathogenesis of this condition or not. Methods: The biopsies were taken from the lesional skin of 35 cases of patients diagnosed with pityriasis rosea. The specimens were prepared in paraffin sections, then submitted to routine immunohistochemistry procedures using monoclonal antibodies directed against CD3, CD4, CD8, CD20 and CD45RO and horseradish peroxidase-labeled goat anti-human antibodies. The positive sections were determined by the ratio and staining intensity of positive inflammatory cells. Results: The mean score of positive CD3, CD4, CD8, and CD45RO staining was respectively 3.74±3.88, 5.67±4.40, 2.94±3.42 and 7.68±4.33 in these pityriasis rosea patients (P<0.001). The percentage of positive staining was 54.29% (19/35), 69.7% (23/33), 40% (14/35) and 79.41% (27/34) (P<0.05). However, the staining of CD20 was negative in all samples. The mean score of CD3 staining in patients with time for remission ≤60 days (4.90±4.21) was higher than that in patients with time for remission >60 days (2.00±2.5) (P<0.05), whereas no statistical difference in the mean score of CD4, CD8 and CD45RO staining was observed. study liMitations: The sample size and the selected monoclonal antibody are limited, so the results reflect only part of the cellular immunity in the pathogenesis of pityriasis rosea. Conclusion: Our findings support a predominantly T-cell mediated immunity in the development of pityriasis rosea.
  • Evaluation of vitamin D plasma levels after mild exposure to the sun with photoprotection Investigation

    Pereira, Luiza Alonso; Luz, Flávio Barbosa; Carneiro, Clívia Maria Moraes de Oliveira; Xavier, Ana Lucia Rampazzo; Kanaan, Salim; Miot, Hélio Amante

    Abstract in English:

    Abstract: Background: Most of the organism’s vitamin D (VD) is obtained through the cutaneous synthesis after exposure to the sun’s UVB radiation. Sunscreens are indicated for the prevention of actinic damage to the skin, however, there are few clinical trials assessing the synthesis of cutaneous VD in real-life situations of sun exposure with ordinary clothing and usual photoprotection. Objectives: To evaluate the synthesis of VD with suberythemal sun exposure in healthy adults using topical photoprotection (SPF 30). Methods: Quasi-experimental study, conducted at Rio de Janeiro (Brazil), during winter, with 95 healthy adults who had 25-OH-VD checked twice, 24 hours apart, and were exposed to the sun (UVB=20 mJ/cm2), according to a randomized grouping: SC - use of SPF 30 on the face, neck and chest (n=64), NO - no sunscreens (n=10), CO - confined from sun exposure for 24h (n=21). The groups were matched according to the propensity score related to gender, age, phototype, body mass index, glycosylated hemoglobin and baseline levels of VD. The outcome evaluated was the variation (ΔVD) in serum level of 25-OH-VD (ng/ml) between the groups. Results: A statistically significant difference was identified between CO and SC groups [median (p25-p75)]: ΔVD =1.4 (-0.3-3.6) vs. 5.5 (4.8-6.6); p<0.01. There was no difference between SC and NO groups: 5.4 (3.1-6.1) vs. 4.1 (2.5-6.0); p=0.17. Study limitations: Laboratory analysis technique (chemiluminescence) with great variability, loss of food intake standardatization, unbalanced groups. Conclusions: Suberythemal sun exposure with sunscreen (SPF 30) provides similar vitamin D serum variation than without photoprotection in healthy adults.
  • Adult female acne: a guide to clinical practice Review

    Bagatin, Edileia; Freitas, Thais Helena Proença de; Rivitti-Machado, Maria Cecilia; Ribeiro, Beatriz Medeiros; Nunes, Samanta; Rocha, Marco Alexandre Dias da

    Abstract in English:

    Abstract: Background: Acne in women is often associated with anxiety and depression, and may persist from adolescence as well as manifest for the first time in adulthood. Genetic and hormonal factors contribute to its etiopathogenesis, and maintenance treatment is required, usually for years, due to its clinical evolution. Objective: To develop a guide for the clinical practice of adult female acne. Methods: A team of five experts with extensive experience in acne conducted a literature review of the main scientific evidence and met to discuss the best practices and personal experiences to develop a guide containing recommendations for the clinical practice of adult female acne. Results: The group of specialists reached consensus on the main guidelines for clinical practice, providing detailed recommendations on clinical picture, etiopathogenesis, laboratory investigation and treatment of adult female acne. Conclusion: Different from teenage acne, adult female acne presents some characteristics and multiple etiopathogenic factors that make its management more complex. This guide provides recommendations for best clinical practices and therapeutic decisions. However, the authors consider that additional studies are needed in order to provide more evidence for adult female acne to be better understood.
  • Follicular thyroid carcinoma metastatic to skin: a small papule and a big diagnostic change Dermatopathology

    Lira, Marcia Lanzoni Alvarenga; Almeida, Mariana Abdo de; Reis-Feroldi, Michele Maria; Rocha, Jeanine Alvarenga

    Abstract in English:

    Abstract: Cutaneous metastases are uncommon in daily practice, although very important, since they may be the first manifestation of an undiscovered primary neoplasm or the first indication of recurrence. Cutaneous metastases from the breast are the most frequent in women and cutaneous metastases from the lung are the most frequent in men. Thyroid carcinoma, despite representing the most frequent endocrine neoplasm, is considered a rare neoplasm, corresponding to 1% of malignant neoplasms diagnosed. Cutaneous metastases from follicular carcinoma are rare and occur mainly in the head and neck area. We report a case of cutaneous metastasis in a patient with follicular thyroid carcinoma and breast carcinoma. Because of the association of these two neoplasms, the possibility of Cowden Syndrome - multiple hamartoma syndrome - was raised, but was excluded by genetic analysis of PTEN gene.
  • S100 negative granular cell tumor of the oral cavity: dermoscopy and surgical approach Case Report

    Mejía, Hernan; Rubiano, Maria Fernanda Ordóñez; Osorio, Victoria Lucia Dávila; González, Maria Isabel

    Abstract in English:

    Abstract: We report the case of a 47-year-old male patient with S100 negative granular cell tumor of the oral cavity, focusing on dermoscopic features as well as surgical approach, not previously reported in the literature. The study contributes to the literature on dermoscopy and surgical treatment for this tumor and provides a practical approach to differentiating non-neural granular cell tumors and granular cell tumors.
  • Desmoplastic melanoma: a rare variant with challenging diagnosis Case Report

    Marques, Priscila Castelan; Diniz, Lucia Martins; Spelta, Karla; Nogueira, Paulo Sergio Emerich

    Abstract in English:

    Abstract: Desmoplastic melanoma, a distinct and uncommon variant, is characterized as an invasive lesion with proliferation of fusiform melanocytes in the dermis and subcutaneous tissue, associated with varying patterns of desmoplasia. Neurotropism and neural differentiation may occur. The clinical presentation is variable and nonspecific, easily confused with other fibrous neoplasms. The disease is locally aggressive and shows lower metastasis rates than other types of melanoma. Histopathology may be insufficient, requiring positive immunohistochemistry for S-100 protein and other antigens of melanocytic differentiation. Because desmoplastic melanoma represents a true clinical, dermoscopic, and histopathological diagnostic challenge, a case of invasive desmoplastic melanoma is reported, affecting a photoexposed area in an elderly woman after histological revisions and an initial diagnosis of fibroma.
  • Amelanotic acral melanoma misdiagnosed as verruca plantaris Case Report

    Deng, Wei; Yu, Ruixing; Cui, Yong; Zheng, Zhancai

    Abstract in English:

    Abstract: We report a case of amelanotic acral melanoma in a 42-year-old Chinese woman. Ten months previously the patient found a 2-cm asymmetric erythematous macular plaque on her left sole. The lesion was diagnosed as verruca plantaris by every physician the patient consulted. One month ago, an enlarged lymph node was detected in the left groin, which biopsy reported as metastatic melanoma. Dermoscopy suggested verruca plantaris, and positron emission tomography (PET) revealed increased glucose metabolism in the macular plaque. Finally, biopsy of the plaque revealed amelanotic melanoma. Misdiagnosis and diagnostic delay are usually associated with poorer patient outcomes. Awareness of atypical presentations of acral melanoma is thus important for decreasing misdiagnosis rates and improving patient outcomes.
  • Erythroderma as a manifestation of leprosy Case Report

    Baldissera, Renato Luiz; Shwetz, Guilherme Athanasio; Fillus, José; Vigo, Noely do Rocio

    Abstract in English:

    Abstract: Erythroderma consists of erythema and scaling involving most or all of the body surface. This generalized eruption may be idiopathic, drug-induced or secondary to cutaneous or systemic disease. A 71-year-old man is reported presenting generalized erythema and desquamation with deck-chair sign, nail dystrophy, and plantar ulcers associated with loss of local tactile sensitivity. Biopsies from three different sites demonstrated diffuse lymphocytic infiltrate with incipient granulomas. Fite-Faraco staining showed numerous isolated bacilli and globi. The skin smear was positive. Clinical and pathological diagnosis of borderline lepromatous leprosy was confirmed. This report demonstrates that chronic multibacillary leprosy can manifest as erythroderma and thus should be included in the differential diagnosis.
  • In-vivo assessment of a case of cutaneous sarcoidosis using reflectance confocal microscopy Images In Dermatology

    Pasquali, Paola; Gonzalez, Salvador; Fortuño, Angeles; Freites-Martinez, Azael

    Abstract in English:

    Abstract: Reflectance confocal microscopy (RCM) is a noninvasive imaging technique that allows visualization of the epidermis and papillary dermis with cellular-level resolution. Granulomatous reactions such as sarcoidosis could be assessed using RCM. The identification of bright beaded-like structures that could correspond to reticulin fibers overlying granulomas, in association with dermoscopy, may be a very useful approach in the diagnosis of sarcoidosis and for the differentiation of this granulomatous entity with superficial cutaneous metastasis.
  • Histoplasma panniculitis in a patient with systemic lupus erythematosus Images In Dermatology

    Flores-Bozo, Luis Rodrigo; Ortiz-Brizuela, Edgar; Soto-Ramírez, Luis Enrique

    Abstract in English:

    Abstract: Histoplasmosis usually presents primarily as lung infection. Occasionally, mainly in immunocompromised hosts, it can spread and cause systemic manifestations. Skin lesions have been reported in 10 to 15 percent of cases of disseminated histoplasmosis, and panniculitis has been described as an unusual form of presentation in affected patients. We present the case of a patient with systemic lupus erythematosus who presented cellulitis due to disseminated histoplasmosis.
  • Case for diagnosis. Primary cutaneous CD4+ small/medium T-cell lymphoproliferative disorder What Is Your Diagnosis?

    Valentim, Flávia de Oliveira; Oliveira, Cristiano Claudino; Miot, Hélio Amante

    Abstract in English:

    Abstract: Primary cutaneous CD4+ small/medium T-cell lymphoproliferative disorder is a rare disease, with an indolent evolution and benign course. The classic presentation is a solitary nodule on the face or trunk. The disorder’s rarity and clinical and histopathological characteristics, can make the diagnosis difficult. We present the case of a 36-year-old Caucasian woman with a purplish erythematous nodule, hardened, shiny, asymptomatic, on the left nasal ala, which had grown progressively for 45 days. Histopathological examination and immunohistochemistry panel demonstrated alterations consistent with primary cutaneous CD4+ small/medium T-cell lymphoproliferative disorder. There was complete remission of the condition within 60 days of treatment with potent occlusive corticosteroids.
  • Scrofuloderma: a diagnostic challenge Tropical/infectoparasitary Dermatology

    Mello, Renan Bernardes de; Vale, Everton Carlos Siviero do; Baeta, Isabela Guimarães Ribeiro

    Abstract in English:

    Abstract: Cutaneous tuberculosis is a rare form of extrapulmonary tuberculosis, comprising 1-2% of cases. Caused by Mycobacterium tuberculosis or related strains, it presents a wide range of clinical manifestations, mimicking other chronic dermatoses and leading to delayed diagnosis. A case of scrofuloderma is reported, whose diagnosis and treatment were only made six years after onset of the disease.
  • Human keratinocyte cell line as a suitable alternative model for in vitro phototoxicity testing Letters

    Svobodová, Alena Rajnochová; Ulrichová, Jitka; Vostálová, Jitka
  • Physical disability and Hansen’s disease in Brazil in the 21st century: Brief analysis Letters

    Souza, Carlos Dornels Freire de
  • Patterns of proliferation and apoptosis in different subtypes of basal cell carcinoma, adjacent epidermis, and recurrent forms Letters

    Lima, Jacqueline Silva Brito; Miola, Anna Carolina; Marques, Mariângela Esther Alencar; Miot, Hélio Amante
  • Atypical presentation of cutaneous herpes simplex virus in a patient with chronic lymphocytic leukemia Letters

    Carneiro, Clívia Maria Moraes de Oliveira; Bittencourt, Maraya de Jesus Semblano; Anjos, Andressa Bocalon dos; Brito, Fernanda Cecilia de Oliveira Costa Ataide
  • Use of the polymerase chain reaction for the diagnosis of American tegumentary leishmaniasis Letters

    Barçante, Thales Augusto; Souza, Marcos Vilela de; Fernandes, Allana Cristina Baltazar; Barçante, Joziana Muniz de Paiva
  • Exuberant tufted folliculitis Letters

    Ramos, Paulo Müller; Miot, Helio Amante
  • Follicular psoriasis: an underdiagnosed entity? Letters

    Souza, Bruno de Castro e; Bandeira, Luisa Groba; Cunha, Thais do Amaral Carneiro; Valente, Neusa Yuriko Sakai
  • Successful management of chronic refractory onycholysis by partial nail avulsion followed by topical tretinoin Letters

    Dias, Pedro Colli Rocha; Miola, Anna Carolina; Miot, Helio Amante
  • Follicular vitiligo: dermatoscopic features of a new subtype of vitiligo Letters

    Cabrera, Raúl; Reculé, Francisca; Hojman, Lía; Larrondo, Jorge
  • Rickettsia parkeri spotted fever and toxicosis by Ornithodoros: other tick bite-related entities to be known by dermatologists Correspondence

    Oliveira, Stefan Vilges de; Faccini-Martínez, Álvaro A.
  • Answer from the authors of the article “Skin manifestations of tick bites in humans” to Dr. Stefan Vilges de Oliveira and Dr. Álvaro A. Faccini-Martínez Reply/correspondence

    Haddad, Vidal; Haddad, Michel Raineri; Santos, Mônica; Cardoso, João Luiz Costa
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