Eritema nodoso hansênico com apresentação vesiculosa simulando infecção herpética: um relato de caso / Erythema nodosum leprosum with vesicular presentation simulating herpetic infection: a case report

Contexto: As reações hansênicas são episódios inflamatórios agudos imunomediados que podem ocorrer em indivíduos com hanseníase. Lesões atípicas de eritema nodoso hansênico (ENH) são raras e podem se apresentar como pústulas, bolhas, necrose, úlceras e, eventualmente, podem simular outras doenças como a síndrome de Sweet e eritema multiforme. Descrição do caso: Paciente do sexo masculino, 24 anos de idade, com diagnóstico prévio de hanseníase virchowiana e realização de tratamento adequado, com término da poliquimioterapia quatro anos antes de comparecer ao nosso serviço quando foi avaliado, apresentando pequenas vesículas translúcidas agrupadas sobre uma base eritematosa e áreas com crostas necróticas, simulando lesões herpéticas, na porção superior das costas, parte inferior do pescoço e haste do pênis. O exame histopatológico da biópsia cutânea foi sugestivo de reação tipo 2 e o tratamento com talidomida foi satisfatório. Discussão: As reações na hanseníase representam episódios de hipersensibilidade aguda a antígenos de Mycobacterium leprae e podem se desenvolver antes, durante ou após o término do tratamento. Acredita-se que o ENH, ou reações do tipo 2, ocorram devido à deposição de imunocomplexos em múltiplos órgãos em pacientes que apresentam a forma multibacilar. Conclusões: As reações hansênicas são desafios no manejo da hanseníase, especialmente pelo fato de a maioria das sequelas permanentes ser secundária a esses episódios inflamatórios agudos. O conhecimento das possíveis apresentações atípicas das reações hansênicas é fundamental para o diagnóstico precoce e o tratamento adequado, a fim de prevenir morbidade grave relacionada à hanseníase.

A case of febrile ulceronecrotic Mucha-Habermann disease with comorbidities.

Febrile ulceronecrotic Mucha-Habermann disease is a very rare and severe variant of pityriasis lichenoides et varioliformis acuta. Adult cases are difficult to diagnose as in the early course they can mimic erythema multiforme or lymphomatoid papulosis. We report a case of a 38-year-old woman who presented with 90% body surface area involvement, fever, diarrhea, malaise and associated comorbidities. She was treated with systemic steroids and methotrexate but suffered a fatal outcome. So far, a total of 65 cases are reported in the literature.

[Analysis of 29 cases of scleritis. Experience of a Rheumato-Ophthalmology Service]. / Análise de 29 casos de esclerite. Experiência de um serviço de Reumato-Oftalmologia.

UNLABELLED: Scleritis are entities that may have rheumatic diseases, infections or tumors as etiologic factors or may be a disease restricted only to the eye. PURPOSE: To share a three year experience of a rheumato-ophthalmologic ambulatory in the diagnosis and treatment of patients with scleritis. METHODS: This was a study of 29 cases. All of them were analyzed by the Ophthalmology and Rheumatology Services. RESULTS: From the 29 cases, an underlying disease was found in 55.17%. Rheumatic diseases were present in 34.4%; infectious in 20.6%. Idiophatic forms of scleritis did not differ from the rheumatic ones although a higher number of necrotizing cases were seen in the later group (with no statistical significance). Scleritis due to rheumatic diseases was treated more frequently with oral corticosteroids and immunosuppressive drugs. CONCLUSIONS: Patients with scleritis have a high rate of infectious and rheumatic diseases. Cooperation of rheumatologists and ophthalmologists was useful for the etiologic identification of patients with scleritis.

Análise de 29 casos de esclerite. Experiência de um serviço de Reumato-Oftalmologia / Analysis of 29 cases of scleritis. Experience of a Rheumato-Ophthalmology Service

Esclerites são doenças que podem ter como causa uma doença reumatológica, infecciosa ou tumoral ou, ainda, ser uma entidade restrita apenas ao olho. Objetivo: Relatar a experiência de dois anos de um ambulatório conjunto de Reumato-Oftalmologia no diagnóstico e acompanhamento de pacientes com esclerite por três anos. Métodos: Esta é uma análise de 29 casos de esclerite. Todos os casos foram avaliados pelo serviço de Oftalmologia e pelo de Reumatologia. Resultados: Dos 29 casos identificados, foi possível identificar uma doença subjacente em 55,17 por cento dos casos. Observamos doenças reumáticas em 34,4 por cento e infecciosas 20,6 por cento dos casos. As esclerites idiopáticas não se distinguiram das reumáticas quanto às características clínicas embora um maior número de casos com a forma necrosante tenha sido visto nas reumáticas (sem significância estatística). Esclerites com doença reumática subjacente foram tratadas mais vezes com corticóides orais e imunossupressores. Conclusões: A cooperação entre reumatologistas e oftalmologistas se mostrou útil na identificação etiológica de pacientes com esclerite.

Scleritis are entities that may have rheumatic diseases, infections or tumors as etiologic factors or may be a disease restricted only to the eye. Purpose: To share a three year experience of a rheumato-ophthalmologic ambulatory in the diagnosis and treatment of patients with scleritis. Methods: This was a study of 29 cases. All of them were analyzed by the Ophthalmology and Rheumatology Services. Results: From the 29 cases, an underlying disease was found in 55.17 percent. Rheumatic diseases were present in 34.4 percent; infectious in 20.6 percent. Idiophatic forms of scleritis did not differ from the rheumatic ones although a higher number of necrotizing cases were seen in the later group (with no statistical significance). Scleritis due to rheumatic diseases was treated more frequently with oral corticosteroids and immunosuppressive drugs. Conclusions: Patients with scleritis have a high rate of infectious and rheumatic diseases. Cooperation of rheumatologists and ophthalmologists was useful for the etiologic identification of patients with scleritis.

Herpes simplex virus 2 infection: a risk factor for HIV infection in heterosexuals.

BACKGROUND: Genital ulcerative disease is one of the risk factors for acquisition of HIV. As HSV-2 infection is currently the most common cause of genital ulcerative disease, it acts as a potential risk factor for HIV infection. The present study was undertaken to know the seroprevalence of antibodies to HSV-2 in HIV seropositive individuals and in the general population, and to ascertain if HSV-2 is a risk factor for developing HIV infection. METHODS: The study group included one hundred new HIV seropositive persons irrespective of active genital herpes or history of genital herpes. Fifty age- and sex- matched healthy volunteers were included as controls. In all patients and controls, diagnostic serology was done for HSV-2 using HSV-2-specific glycoprotein IgG2 by indirect immunoassay using the ELISA test. Statistical value 'P' was calculated using the Chi-squared test. RESULTS: Out of the 100 HIV seropositives, 66 were males and 34 were females with an age range of 20-54 years. In only 22 (19 males and 3 females) of these, positive history of genital herpes was obtained. In 49 out of the 100 HIV seropositives, IgG2 antibodies against HSV-2 were detected. In the control group, 11 out of 50 controls were seropositive for HSV-2 IgG2 antibody. There was a statistically significant association between HSV-2 and HIV seropositivity with 'P' value CONCLUSION: The high prevalence of HSV-2 seropositivity in the HIV-infected group (49%) as compared to normal controls (22%) was statistically significant. Prior HSV-2 infection could be an important risk factor for acquisition of HIV in our patients.

Refining criteria for diagnosis of cutaneous infections caused by herpes viruses through correlation of morphology with molecular pathology.

BACKGROUND: Infections of the skin by herpes viruses do not always present themselves in typical fashion. Early diagnosis, however, is crucial for appropriate treatment. Polymerase chain reaction (PCR) allows diagnosis and differential diagnosis of herpes virus infections, but the method is not yet available in large parts of the world, where diagnosis is made based on morphology alone. AIM: To refine criteria for the diagnosis of herpes virus infections of the skin by way of correlation of clinical and histopathologic findings with results of PCR studies. METHODS: We studied 75 clinically diagnosed patients of "zoster," "varicella," and "herpes simplex", to correlate clinical and histopathological findings with results of PCR studies on paraffin embedded biopsy specimens. RESULTS: Clinical suspicion of infection by herpes viruses was confirmed by histopathology in 37% of the cases and by PCR studies in 65% of the cases. Zoster was frequently misdiagnosed as infection with herpes simplex viruses (30%). When diagnostic signs of herpes virus infection were encountered histopathologically, PCR confirmed the diagnosis in 94%. By way of correlation with results of PCR studies, initial lesions of herpes virus infections could be identified to have a distinctive histopathological pattern. Herpetic folliculitis appeared to be a rather common finding in zoster, it occurring in 28% of the cases. CONCLUSION: We conclude that correlation of clinical and histopathological features with results of PCR studies on one and the same paraffin embedded specimen permits identification of characteristic morphologic patterns and helps to refine criteria for diagnosis both clinically and histopathologically.

AIDS and HIV infections: uncommon presentations.

Infection with HIV or AIDS has a great impact on skin diseases, not only by affecting the immune system and thereby host defense against bacterial, viral, or mycotic infection, but also by changing tumor immune response and autoimmune reactivity. In the present review, emphasis will be made on infectious diseases, including sexually transmitted disease, inflammatory skin disease, and neoplasias. Knowledge of changing disease pattern with HIV/AIDS may help the clinical dermatologist and venerologist to identify dermatoses and act in the most appropriate manner to support the patient.

[Dermatologic manifestations associated with immune reconstitution syndrome in HIV+ patients starting HAART: a retrospective study in French Guiana]. / Manifestations dermatologiques associées au syndrome de restauration immunitaire du patient VIH+ débutant un traitement antirétroviral: etude rétrospective en Guyane française.

Immune reconstitution syndrome (IRIS) is an unusual inflammatory reaction to an opportunistic infection in an HIV-positive patient. This syndrome occurs when immunity is restored in the first months of an effective highly active antiretroviral treatment (HAART). First, we described all patients with a cutaneous form of IRIS. Then, between 1992 and 2004 we conducted a retrospective cohort study comparing Herpes Zoster and Herpes Simplex infections among untreated patients, patients treated by HAART for < or = six months, and patients treated for > six months. We observed three cases of atypical leprosy and three original observations: two of these were fistulisation of lymph node histoplasmosis and tuberculosis, the third one reports the recurrence of a treated cutaneous leishmaniasis. Multivariate analysis showed that, after controlling for age, sex and CD4 counts, patients receiving HAART for < or = six months were more likely to develop Herpes Zoster or herpes simplex infections (p < 0.005). Herpes Simplex and Herpes Zoster infections are the two most frequent dermatological manifestations in our tropical setting. Although mycobacterial infections are more rarely observed than in visceral IRIS, the increased incidence of leprosy may be quite significant when the availability of HAART spreads to developing countries.

El citodiagnóstico en dermatología: alcances y limitaciones / Cytodiagnosis in dermatology: its' reaches and limitations

El citodiagnóstico, ampliamente difundido, virtualmente carece de aplicación práctica en dermatología. En parte, por las características inherentes al método y además por la particular histoarquitectura de la piel y membranas mucosas sanas y enfermas. Sin embargo, su técnica sencilla puede constituirse en un auxiliar valioso en ciertas dermatosis, en particular vesicoampollares y tumorales. Se revisa éste método diagnóstico y sus limitaciones y se rescatan aquellos casos en los que puede ofrecer utilidad

El citodiagnóstico en dermatología: alcances y limitaciones / Cytodiagnosis in dermatology: its reaches and limitations

El citodiagnóstico, ampliamente difundido, virtualmente carece de aplicación práctica en dermatología. En parte, por las características inherentes al método y además por la particular histoarquitectura de la piel y membranas mucosas sanas y enfermas. Sin embargo, su técnica sencilla puede constituirse en un auxiliar valioso en ciertas dermatosis, en particular vesicoampollares y tumorales. Se revisa éste método diagnóstico y sus limitaciones y se rescatan aquellos casos en los que puede ofrecer utilidad (AU)

FDA approves fomivirsen, famciclovir, and Thalidomide. Food and Drug Administration.

AIDS: The FDA has recently approved three new drugs. Fomivirsen (Vitravene), developed by Isis Pharmaceuticals, was approved as a treatment for cytomegalovirus (CMV) retinitis. The drug prevents CMV replication by binding with the virus' genetic material. It is the first drug using antisense technology to win approval and is injected into the eye weekly or every other week. Famciclovir (Famvir) was approved for the treatment of HIV-related herpes simplex virus (HSV) infection. It is the first oral anti-HSV drug to be approved for use in people with HIV-related herpes. Thalidomide (Synovir), developed by Celgene, has received limited approval for the treatment of leprosy. It has also been used successfully in trials involving AIDS-related wasting and recurrent aphthous ulcers, although it has not been approved for these conditions.^ieng

Human T cell lymphotropic virus (HTLV-1): cutaneous manifestations

Skin manifestations are a common feature of HTLV-1 associated disorders and of HTLV-1 infection itself. These include the lymphomatous skin infiltrates in adult T-cell lymphoma/leukaemia, most commonly manifesting as persistent, generalised papules, nodules and plaques with later ulceration, acquired ichthyosis and xeroderma in HAM/TSP, infective dermatitis of children, dermatomyositis, crusted (Norwegian) scabies, psoriasiform rashes which may precede one of the more serious disease associations, and possibly also seborrhoeic dermatitis. Disorders typically associated with immunosuppression such as disseminated herpes zoster, and ulcerative non-healing herpes simplex may also be seen occasionally both in ATK as well as in other wise asymptomatic HTLV-1 infection (AU)

A murine CD4-, CD8- T cell receptor-gamma delta T lymphocyte clone specific for herpes simplex virus glycoprotein I.

The role of TCR-gamma delta T lymphocytes in immune responses is currently not well understood. TCR-gamma delta cells have a limited repertoire suggesting that TCR-gamma delta T a limited number of evolutionarily conserved Ag such as nonpolymorphic MHC and heat shock proteins. TCR-gamma delta T lymphocytes appear in enhanced numbers in skin lesions produced by Mycobacterium leprae and in the synovial fluid of joints affected by rheumatoid arthritis, raising the possibility that this subset of T lymphocytes may play a role in control of infectious processes and in autoimmune diseases. We report the identification of a TCR-gamma delta T cell clone isolated from a HSV-infected mouse that recognizes glycoprotein I of HSV type 1. Clone recognition of glycoprotein I does not appear to require the expression of MHC class I or class II gene products. These data suggest that TCR-gamma delta lymphocytes may play an important role in the immune response to viral infections.