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1.
Prensa méd. argent ; Prensa méd. argent;106(3): 145-149, 20200000. ilus
Article in Spanish | LILACS, BINACIS | ID: biblio-1368818

ABSTRACT

La coinfección entre el Treponema pallidum y el virus de la inmunodeiciencia humana (VIH) altera el curso clínico clásico de la sífilis aumentando la probabilidad de aparición de formas atípicas del secundarismo sifilítico. Entre estas formas se ha descripto a la sífilis elegante, entidad caracterizada por un exantema maculopapuloso descamativo, de aspecto anular, por lo general, con indemnidad de las regiones palmo plantar y de las mucosas. Se presenta un caso de sífilis secundaria, con lesiones típicas por su aspecto y localización, de sifílides elegantes en una paciente con diagnóstico de sida


Co-infection between Treponema pallidum and HIV alters the classic clinical course of syphilis, increasing the likelihood of atypical forms of syphilitic secondaryism. Among these forms, elegant syphilis has been described, an entity characterized by a desquamating maculopapular rash of annular appearance, with indemnity of the palmoplantar surface and mucous regions. Here, we present a case of secondary syphilis with typical lesions of elegant syphillides, in a patient diagnosed with AIDS


Subject(s)
Humans , Female , Adolescent , Syphilis, Cutaneous/diagnosis , Treponema pallidum , HIV Infections/immunology , Acquired Immunodeficiency Syndrome/immunology
2.
Prensa méd. argent ; Prensa méd. argent;106(3): 171-174, 20200000. fig
Article in Spanish | LILACS, BINACIS | ID: biblio-1368993

ABSTRACT

La tuberculosis (TB) es una enfermedad infectocontagiosa de gran importancia en la salud pública y representa una de las 10 principales causas de muerte a nivel mundial. Una de las complicaciones del tratamiento antituberculoso es la respuesta paradojal, que se define como un empeoramiento clínico o la aparición de nuevas lesiones en un paciente que comienza un tratamiento antifímico. Esta reacción está mediada por una respuesta de hipersensibilidad a los antígenos de Mycobacterium tuberculosis. Suele aparecer entre 2 y 4 meses luego de iniciado el tratamiento antituberculoso, generalmente precedida por una mejoría inicial del cuadro. Se presenta una mujer con sida y tuberculosis ganglionar con respuesta paradojal a la terapéutica antimicobacteriana y se realiza una revisión bibliográfica del tema.


Tuberculosis (TB) is an infectious disease of great importance in public health and represent one of the 10 leading causes of death worldwide. One of the complication of the antituberculous treatment is the paradoxical reaction, which is defined as a worsening or the appearance of new lesions in a patient receiving antimicobacterial treatment. This paradoxical response is mediated by a hypersensitivity reaction to mycobacterial antigens. It usually appears between 2 and 4 months after initiation of tuberculosis treatment and is preceded by an initial improvement of the clinical condition. Here, we describe a woman with AIDS and lymph node tuberculosis with a paradoxical reaction to antimycobacterial therapy and the subject is reviewed.


Subject(s)
Humans , Female , Adult , Tuberculosis/therapy , Tuberculosis, Lymph Node/therapy , Acquired Immunodeficiency Syndrome , Diagnosis, Differential , Mycobacterium Infections/therapy
3.
Prensa méd. argent ; Prensa méd. argent;106(2): 79-82, 20200000. fig
Article in Spanish | LILACS, BINACIS | ID: biblio-1369318

ABSTRACT

La coinfección entre el virus de la inmunodeficiencia humana (VIH) y la Leishmaniosis visceral (LV) ha sido descripta de manera reciente, en especial en Brasil y en ciertas áreas de la Europa del Mediterráneo. Los pacientes VIH positivos con fiebre de origen desconocido y/o citopenias tienen indicación de punción aspirativa de médula ósea para estudios microbiológicos e histopatológicos, estos últimos para descartar un síndrome linfoproliferativo. El diagnóstico de leishmaniosis visceral puede confirmarse por diversas técnicas microbiológicas y serológicas: detección de amastigotes de Leishmania en aspirados de médula ósea con tinción de Giemsa, detección de anticuerpos por aglutinación directa, inmunofluorescencia indirecta, detección del antígeno rK39, reacción en cadena de la polimerasa en extendidos de médula ósea y prueba de aglutinación del látex. La LV puede ser la primera manifestación del sida o ser una complicación grave en pacientes ya diagnosticados con VIH e inmunodeficiencia severa. La LV es una complicación grave y potencialmente fatal y debe sospecharse en todo sujeto VIH positivo con fiebre de etiología desconocida y/o citopenias.


The association between visceral leishmaniasis (VL) and HIV is recent and has an increasing number of cases in Brazil and worldwide - especially in the Mediterranean region of Europe. HIV patients with cytopenias and/or fever of an unknown etiology, have indication of bone marrow aspirate for microbiological cultures and histopathological examination to rule out lymphoproliferative disorders. Diagnosis of VL can be confirmed by the following examinations: Leishmania amastigotes detection in bone marrow aspirate with Giemsa smear, direct agglutination test, indirect immunofluorescence, rK39 dipstick test, polymerase chain reaction and latex agglutination test. VL may be the first infection related with HIV or patients can be diagnosed with VL concomitantly with AIDS. HIV/AIDS-associated VL is an aggressive complication with a potentially fatal evolution in advanced HIV/AIDS patients, without specific symptoms, that should be suspected in all HIV subjects with fever of unknown etiology and cytopenias.


Subject(s)
Humans , Male , Middle Aged , AIDS Serodiagnosis , Leishmaniasis/complications , Punctures , HIV Infections/complications , Endemic Diseases , Leishmaniasis, Visceral/diagnosis
4.
Prensa méd. argent ; Prensa méd. argent;106(1): 6-9, 20200000. tab
Article in Spanish | LILACS | ID: biblio-1369681

ABSTRACT

El Parvovirus humano B19 puede presentarse con una amplia variedad de manifestaciones clínicas, con distinto compromiso y evolución según el huésped afectado. En pacientes inmunocomprometidos se asocia con cuadros hematológicos prolongados y graves. Se describen 3 casos de pacientes con antecedentes de infección por virus de la inmunodeficiencia humana (VIH) que desarrollaron infecciones agudas por Parvovirus B19 que se presentaron con síndrome febril, citopenias (anemia, plaquetopenia y disminución de reticulocitos) y esplenomegalia. En todos los casos el diagnóstico se confirmó por la serología específica. Todos recibieron tratamiento con inmunoglobulina humana (Ig) intravenosa (IV); 2 pacientes tuvieron buena respuesta clínica y mejoría de citopenias mientras que el restante falleció. La infección por Parvovirus B19 debe incluirse en el diagnóstico diferencial de los pacientes VIH positivos con fiebre y citopenias, principalmente anemia persistente y compromiso linfoganglionar con esplenomegalia


Human Parvovirus B 19 is presented as a variety of diseases with different compromise and evolution according to the affected host. In immunocompromised patients the acute infection due to Parvovirus B19 is associated with severe and prolonged hematological clinical pictures. Three cases of patients with a history of infection with human immunodeficiency virus (HIV) co-infected with Human Parvovirus B19 are presented. All of they presented with febrile syndrome, cytopenias (anemia, platelet count and reticulocyte reduction) and lymphadenopathy and splenomegaly. In all cases the diagnosis was confirmed by serology. All were treated with intravenous human immunoglobulin (IVI G; 2 patients had good clinical response and better cytopenias while the other died. We consider thinking about Parvovirus B19 infection in HIV immunocompromised hosts with haematological involvement, mainly persistent anemia and lymph node involvement with splenomegaly


Subject(s)
Humans , Adult , Middle Aged , Aged , Pancytopenia/immunology , Splenomegaly/immunology , Immunoglobulins/therapeutic use , HIV Infections/complications , Parvovirus B19, Human/immunology , Diagnosis, Differential , Lymphadenopathy/immunology
5.
Prensa méd. argent ; Prensa méd. argent;105(7): 375-378, agosto 2019.
Article in English | LILACS, BINACIS | ID: biblio-1022078

ABSTRACT

La educación médica continua se define como el conjunto de acciones y recursos dirigidos a cambiar las conductas de los profesionales para mejorar los resultados de su actividad asistencial diaria frente a los pacientes. O bien, toda acción que realiza un médico para seguir aprendiendo y permanecer actualizado, una vez finalizada su formación universitaria. Las estrategias para conseguir tal fin, son la realización de cursos, la ra congresos y/o jornadas, las actividades hospitalarias (recorridas de sala, supervisión y ateneos), la lectura y discusión de artículos biomédicos en internet o en publicaciones en papel en el denominado ateneo bibliográfico, el intercambio con colegas, la consulta con otros profesionales y los cursos a distancia. En el presente artículo, se plantea el ejercicio del ateneo como una de las principales fuentes de aprendizaje al proponer una verdadera reflexión sobre la práctica profesional (AU)


Continuing medical education is defined as the set of actions and resources aimed at changing the behavior of professionals to improve the results of their daily care activity in front of patients. Or, any action that a doctor performs to continue learning and remain updated, once his university education is completed. The strategies to achieve this goal are the completion of courses, the attendance at conferences and/or conferences, hospital activities (visits to the ward, supervision and athenaeums), the reading and disicussion of biomedical articles on the internet or in publications on paper. The so-called bibliographic athenacum, the exchange with colleagues, the consultations with other professionals and the distance courses. In the present article, the exercise of the athenaemum is considered as one of the main sources of learning by proposing a true reflection on professional practice (AU)


Subject(s)
Humans , Education, Medical, Continuing , Teaching Rounds , Access to Essential Medicines and Health Technologies
6.
Prensa méd. argent ; Prensa méd. argent;104(10): 493-499, dic 2018. tab
Article in Spanish | LILACS, BINACIS | ID: biblio-1046967

ABSTRACT

La profilaxis pre-exposición (PrEP) es una medida eficaz para la prevención de la transmisión del VIH. Con la implementación de la misma, algunos estudios señalan una reducción en la transmisión superior al 90%, cuando la adherencia es alta. Sin embargo, el uso de Emtricitabina/ Tenofovir alafenamida (FTC/TDF) en la Argentina aún no esta aprobado por las autoridades regulatorias. En profesionales de Argentina el conocimiento, aval y factores asociados con la prescripción de la PrEP no ha sido evaluada. Este es un estudio de corte transversal mediante una encuesta on line realizada en Agosto de 2017. La misma fue distrubuida entre profesionales de Argentina y valoró diferentes aspectos de la PrEP (conocimiento, aval e indicación de la misma). Los resultados obtenidos se expresaron en frecuencias y porcentajes. Para las asociaciones entre variables categóricas se realizó un análisis univariado (test de chi2 ) y de regresión logística binaria. Se consideró como significativo, un valor de p < 0.05. La encuesta fue realizada por 238 profesionales pertenecientes a 81 centros asistenciales. Los escenarios clínicos donde se observó mayor predisposición a la indicación de PrEP fueron: parejas discordantes (77%), trabajadores/as sexuales (61%), pacientes transgénero (32%), adictos a drogas intravenosas (31%), hombres que mantienen sexo con otros hombres (HSH) (23%). Los factores asociados con la prescripción de PrEP fueron: cargo asistencial de jefe de servicio (p<0.05), médicos especialistas en enfermedades infecciosas (p<0.05), atención de más de 200 pacientes seropositivos para el virus de la inmunodeficiencia humana (VIH) por año (p<0.009), prescripción previa de profilaxis post-exposición (p<0.008). Los autores concluyen señalando que, a pesar de no estar aprobado por los entes regulatorios, la PrEP ha sido prescripta off label por profesionales de Argentina. Entre ellos, aquellos que adoptaron la prescripción fueron los que mostraron mayor experiencia en la atención de pacientes VIH positivos, jefes/as de servicio y especialistas en infectología. Estos resultados podrían ser utilizados en un futuro para impulsar nuevas herramientas de prevención en la transmisión de VIH


Pre-exposure prophylaxis (PrEP) is an effective measure to prevent HIV transmission. If the adherence is high, transmission rates are reduced by more than 90%. In Argentina, FTC-TDF is not yet approved for PrEP by the local regulatory agency.  PrEP  awareness,  PrEP  adoption, and factors associated with adoption among argentine physicians had not been studied to date. We designed a cross-sectional online survey conducted in August 2017 among argentine physicians and valored differents items about PrEP, (knowledge, attitudes, and beliefs associated with adoption). Univariate analysis was performed; the associations between categorical variables were analyzed by means of the chi2  test. The level of significance was considered with p <0.05. A total of 238 surveys were received from 81 centers in Argentina. Clinical scenarios associated with the highest prescription were: serodiscordant couples 77%, sex workers 61%, transgender patients 32%, people who inject drugs 31%, and men who have sex with men (MSM) 23%. Factors associated with PrEP prescription between physicians were been chief of staff (p<0.05), been an infectious diseases specialist (p<0.05), assist more than 200 HIV seropositive patients per year (p<0.009) and having prescribed postexposure prophylaxis (PEP) (p<0.008). The authors concluded that in spite of not yet approved by the local regulatory agency, PrEP is been prescribed off- label by argentine physicians. Adopters were more likely to have experience providing HIV care, been chief of staff and ID specialist. These results could be used to plan future HIV prevention strategies in Argentina.


Subject(s)
Humans , Chi-Square Distribution , Cross-Sectional Studies , Surveys and Questionnaires/statistics & numerical data , HIV , Off-Label Use , Post-Exposure Prophylaxis
7.
Prensa méd. argent ; Prensa méd. argent;104(10): 505-509, dic 2018. fig
Article in Spanish | LILACS, BINACIS | ID: biblio-1046995

ABSTRACT

El síndrome de Sweet es una dermatosis neutrofílica aguda y febril que puede ser desencadenada por diferentes noxas. El diagnóstico es clínico a partir de una dermatosis aguda, con fiebre, leucocitosis y lesiones cutáneas localizadas en cara, cuello y extremidades. La histopatología muestra un denso infiltrado inflamatorio de la dermis a predominio neutrofílico, sin signos de vasculitis. Se presenta un paciente con síndrome de Sweet asociado a infección por el virus de la inmunodeficiencia humana


Sweet's syndrome associated with human immunodeficiency virus infection Sweet's syndrome is a neutrophilic and acute febrile dermatosis that can be triggered by different noxas. Diagnosis should be suspected in a patient with fever, leukocytosis and cutaneous lesions located on the face, the neck and the extremities. Cutaneous biopsy confirms the diagnosis of Sweet syndrome, with typical features of a neutrophilic dermatosis in the absence of vasculitis. Here we present a case of Sweet syndrome associated with human immunodeficiency virus infection


Subject(s)
Humans , Male , Adult , HIV Infections/physiopathology , HIV , Sweet Syndrome/diagnosis
8.
Prensa méd. argent ; Prensa méd. argent;103(7): 377-383, 20170000. tab, fig
Article in Spanish | LILACS, BINACIS | ID: biblio-1372308

ABSTRACT

La sífilis es una enfermedad infectocontagiosa causada por una espiroqueta: el Treponema pallidum. Se transmite por contacto directo (generalmente sexual) con las lesiones cutáneo-mucosas durante el estadio primario y secundario, por vía transplacentaria durante el embarazo o a través del pasaje por el canal uterino y por sangre. Se trata de una enfermedad sistémica con una gran variedad de manifestaciones clínicas. La sífilis secundaria cursa con manifestaciones generales de un síndrome infeccioso inespecífico y lesiones mucocutáneas características. La presentación clínica de los 20 pacientes que se describen en este trabajo es singular ya que solo poseían lesiones en la cavidad oral. Es importante considerar esta patología en el diagnóstico diferencial de lesiones mucosas orales, para realizar un diagnóstico temprano, tratamiento precoz y evitar el contagio, así como siempre descartar la asociación con infección por el retrovirus VIH


Syphilis is a sexually transmitted disease caused by the spirochete bacterium named as Treponema pallidum. Syphilis is transmitted by direct contact (generally non-protect sexual contact) with cutaneous and mucosal lesions during the primary and secondary periods, by trans-placental transmission if the mother develop the infection during pregnancy and by blood. Syphilis is a systemic disease with a wide variety of clinical manifestations. Secondary syphilis is characterized by a nonspecific infectious syndrome and mucocutaneous lesions. Here we describe a serie of 20 patients with secondary syphilis as the unique clinical manifestation. Secondary syphilis should be included in the differential diagnosis of oral cavity mucosal lesions to achieve an early diagnosis and avoid the contagion. Human immunodeficiency virus infection should be always considered


Subject(s)
Humans , Adolescent , Adult , Middle Aged , Syphilis, Cutaneous/therapy , Syphilis/diagnosis , Early Diagnosis , Unsafe Sex , Mouth/injuries
10.
J Viral Hepat ; 22(7): 607-16, 2015 Jul.
Article in English | MEDLINE | ID: mdl-25431170

ABSTRACT

Peripheral blood mononuclear cells (PBMC) from chronic hepatitis C virus-infected persons can harbour viral variants that are not detected in plasma samples. We explored the presence and persistence of HCV genotypes in plasma and PBMC cultures from 25 HCV-monoinfected and 25 HIV/HCV-coinfected patients with haemophilia. Cell cultures were performed at different time points between 1993 and 2010-2011, and the HCV genome was examined in culture supernatants. Sequential plasma samples were studied during the same time period. Analysing sequential plasma samples, 21% of patients had mixed-genotype infections, while 50% had mixed infections determined from PBMC culture supernatants. HIV coinfection was significantly associated with the presence of mixed infections (OR = 4.57, P = 0.02; 95% CI = 1.38-15.1). In our previous study, genotype 1 was found in 72% of 288 patients of this cohort. Similar results were obtained with the sequential plasma samples included in this study, 69% had genotype 1. However, when taking into account plasma samples and the results from PBMC supernatants, genotype 1 was identified in 94% of the population. The PBMC-associated variants persisted for 10 years in some subjects, emphasizing their role as long-term reservoirs. The presence of genotype 1 in PBMC may be associated with therapeutic failure and should not be disregarded when treating haemophilic patients who have been infected by contaminated factor concentrates. The clinical implications of persistent lymphotropic HCV variants deserve further examination among multiple exposed groups of HCV-infected patients.


Subject(s)
Hemophilia A/complications , Hepacivirus/isolation & purification , Hepatitis C/complications , Hepatitis C/virology , Leukocytes, Mononuclear/virology , Adult , Aged , Coinfection/virology , Genotype , HIV Infections/complications , Hepacivirus/classification , Hepacivirus/genetics , Humans , Male , Middle Aged
11.
Arch. alerg. inmunol. clin ; 46(2): 44-48, 2015. tab
Article in Spanish | LILACS | ID: biblio-916286

ABSTRACT

Introducción. la alergia a la leche de vaca (aplv) es un problema sanitario global. Su diagnóstico adecuado y su seguimiento son esenciales ya que la leche de vaca es un alimento importante en la dieta de muchos lactantes. los desafíos orales doble ciego controlados por placebo (ddcpc) son la herramienta ideal para el diagnóstico y seguimiento de las alergias alimentarias. este estudio describe las características evolutivas de pacientes con aplv y las posibles variables que la pudieran modificar. material y métodos. Se estudiaron pacientes con diagnóstico de aplv previo con desafíos abiertos. Se catalogaron las reacciones de acuerdo a la normativa dracma. positivas fueron las pruebas en las que se presentaron alteraciones clínicas o variaciones hemodinámicas. negativas fueron aquellas en las que el paciente toleró la leche. Se consideraron edades de inicio y de realización del ddcpc, sexo y patología de aplv. resultados. Se estudiaron 106 pacientes (50 masculinos, 56 femeninos), promedio edad de inicio de síntomas 5,31 m (rango: 1-48 meses) y al procedimiento 23,14 m (5 meses - 5 años), y 13 pruebas positivas. un conjunto se refirió al mecanismo fisiopatológico y se dividió en ige mediadas (n=55) con 8 pruebas positivas y mixtas/celulares (n=51) con 5 pruebas positivas. otro conjunto fueron no gastrointestinales (n=61) con 7 pruebas positivas y gastrointestinales (n=45) con 6 pruebas positivas. todos los grupos fueron similares en cuanto a las variables demográficas. el sexo masculino y el diagnóstico de anafilaxia fueron factores de riesgo para no resolver su aplv (p=0,0125 y p=0,002 respectivamente). conclusiones. el momento de resolución de la aplv es independiente del mecanismo fisiopatológico subyacente o la edad de inicio de los síntomas. en general resuelven el problema de manera espontánea hacia los dos años de vida en más de un 87% de los casos. el sexo masculino (en ige mediadas) y el antecedente de anafilaxia podrían ser factores de riesgo para tener menos probabilidades de resolver la APLV. (AU)


Introduction: cow´s milk allergy (cma) is a global health issue. a proper diagnosis and follow up become essential. double blind placebo controlled challenges (dbpcc) is the gold standard for this purpose. this paper describes clinical evolution and characteristics of cma, as well as variables that may modify the affection course. methods & material: a group of patients, with a previous diagnosis of cma by open challenges, has been studied and its results cataloged according to dracma guidelines. tests with hemodynamic changes or clinical symptoms were considered as positives, while those with no clinical reaction were considered as negatives. variables involved were: age of symptoms starting, age of dbpcc performing, gender and cma clinical manifestations. results: 106 patients has been studied (50 male, 56 female), with a median age of 5,31 mo (range 5 ­ 48 mo) at the starting symptoms, and a median age of 23,14 mo (range 5 mo ­ 5 y) at the performing of dbpcc. 13 tests were negative. as regards to the different immune mechanisms, 55 were ige dependent (8 negative), and 51 were mediated by mixed/cellular (5 negative). patients were divided into two groups: with gastrointestinal symptoms (n=45) and with no gastrointestinal symptoms (n=61). they showed 6 and 7 negative results, respectively. all groups were similar. male gender, and anaphylaxis diagnosis turned out to be risk factors not to resolve cma (p=0,0125 and p=0,002 respectively). conclusions: cma resolution is independent of the immune mechanisms involved or the age of its symptoms starting. cma is solved spontaneously towards the age of two in 87% of the cases. male gender, and anaphylaxis may become risk factors not to resolve cma.(AU)


Subject(s)
Humans , Male , Female , Infant , Child, Preschool , Milk Hypersensitivity , Breast-Milk Substitutes , Milk Proteins , Immunoglobulin E , Anaphylaxis , Intestinal Mucosa
12.
Rev. argent. dermatol ; Rev. argent. dermatol;95(4): 12-20, dic. 2014. ilus
Article in Spanish | LILACS | ID: lil-734563

ABSTRACT

La histoplasmosis es una micosis endémica producida por un hongo dimorfo: el Histoplasma capsulatum. La histoplasmosis es una de las enfermedades fúngicas de mayor prevalencia, en pacientes con enfermedad HIV/Sida avanzada y recuentos de linfocitos T CD4 + menores de 100 cel/uL. Las formas diseminadas agudas y subagudas de la enfermedad, resultan de la reactivación de una infección latente y son mucho más graves en sujetos con Sida, en comparación con otras inmunodeficiencias. En algunos casos, las lesiones orales pueden ser primera o la única manifestación de la enfermedad y pueden asentar en la lengua, el paladar y la mucosa bucal. Se presenta un paciente con infección por el virus de la inmunodeficiencia humana (VIH), que desarrolló una histoplasmosis diseminada subaguda con lesiones ulcerosas en la mucosa oral, como manifestación inicial de la enfermedad.


Histoplasmosis is an endemic mycosis caused by a dimorphic fungus, Histoplasma capsulatum. Histoplasmosis is a fungal disease most prevalent in patients with advance HIV/AIDS disease and CD4 +T cell counts less than 100 cells/uL. Acute and subacute disseminated forms of the disease result from reactivation of latent infection and are much more severe in patients with AIDS compared with other immunodeficiencies. In some cases, oral lesions appear to be the only primary manifestation of the disease and may compromise the tongue, palate or the oral mucosa. Here we present a patient with infection by the human immunodeficiency virus (HIV) who developed a subacute disseminated histoplasmosis with ulcerative lesions in the oral mucosa as the initial manifestation of the opportunistic disease.

13.
Rev. argent. dermatol ; Rev. argent. dermatol;95(4): 12-20, dic. 2014. ilus
Article in Spanish | BINACIS | ID: bin-131288

ABSTRACT

La histoplasmosis es una micosis endémica producida por un hongo dimorfo: el Histoplasma capsulatum. La histoplasmosis es una de las enfermedades fúngicas de mayor prevalencia, en pacientes con enfermedad HIV/Sida avanzada y recuentos de linfocitos T CD4 + menores de 100 cel/uL. Las formas diseminadas agudas y subagudas de la enfermedad, resultan de la reactivación de una infección latente y son mucho más graves en sujetos con Sida, en comparación con otras inmunodeficiencias. En algunos casos, las lesiones orales pueden ser primera o la única manifestación de la enfermedad y pueden asentar en la lengua, el paladar y la mucosa bucal. Se presenta un paciente con infección por el virus de la inmunodeficiencia humana (VIH), que desarrolló una histoplasmosis diseminada subaguda con lesiones ulcerosas en la mucosa oral, como manifestación inicial de la enfermedad.(AU)


Histoplasmosis is an endemic mycosis caused by a dimorphic fungus, Histoplasma capsulatum. Histoplasmosis is a fungal disease most prevalent in patients with advance HIV/AIDS disease and CD4 +T cell counts less than 100 cells/uL. Acute and subacute disseminated forms of the disease result from reactivation of latent infection and are much more severe in patients with AIDS compared with other immunodeficiencies. In some cases, oral lesions appear to be the only primary manifestation of the disease and may compromise the tongue, palate or the oral mucosa. Here we present a patient with infection by the human immunodeficiency virus (HIV) who developed a subacute disseminated histoplasmosis with ulcerative lesions in the oral mucosa as the initial manifestation of the opportunistic disease.(AU)

14.
Rev. argent. dermatol ; Rev. argent. dermatol;95(3): 22-26, set. 2014. ilus
Article in Spanish | LILACS | ID: lil-734558

ABSTRACT

La sífilis maligna es una forma infrecuente de presentación de la sífilis secundaria, generalmente asociada a la infección por el virus de la inmunodeficiencia humana (VIH). Una forma rara de presentación es la sífilis rupioide, caracterizada por lesiones múltiples, ulcerativas, que se cubren de escamas que le dan un aspecto rupioide (rupia sifilítica) y se acompañan de manifestaciones clínicas sistémicas. Se presenta una paciente VIH seropositiva, que desarrolló una sífilis secundaria maligna, con lesiones rupioides y manifestaciones de compromiso sistémico, respondiendo favorablemente al tratamiento con penicilina benzatínica.


Malignant syphilis is a rare form of secondary syphilis strongly associated with human immunodeficiency virus infection (HIV). A rare clinical form of presentation include multiple, large and rupia-like ulcerative lesions associated with systemic clinical manifestations. Here we describe an HIV-seropositive female who developed clinical cutaneous and systemic manifestations of malignant rupioid syphilis, with a good response to treatment with benzatin penicillin and we performed a review of the literature.

15.
Rev. argent. dermatol ; Rev. argent. dermatol;95(3): 22-26, set. 2014. ilus
Article in Spanish | BINACIS | ID: bin-131293

ABSTRACT

La sífilis maligna es una forma infrecuente de presentación de la sífilis secundaria, generalmente asociada a la infección por el virus de la inmunodeficiencia humana (VIH). Una forma rara de presentación es la sífilis rupioide, caracterizada por lesiones múltiples, ulcerativas, que se cubren de escamas que le dan un aspecto rupioide (rupia sifilítica) y se acompañan de manifestaciones clínicas sistémicas. Se presenta una paciente VIH seropositiva, que desarrolló una sífilis secundaria maligna, con lesiones rupioides y manifestaciones de compromiso sistémico, respondiendo favorablemente al tratamiento con penicilina benzatínica.(AU)


Malignant syphilis is a rare form of secondary syphilis strongly associated with human immunodeficiency virus infection (HIV). A rare clinical form of presentation include multiple, large and rupia-like ulcerative lesions associated with systemic clinical manifestations. Here we describe an HIV-seropositive female who developed clinical cutaneous and systemic manifestations of malignant rupioid syphilis, with a good response to treatment with benzatin penicillin and we performed a review of the literature.(AU)

16.
Rev. argent. dermatol ; Rev. argent. dermatol;95(1): 2-8, mar. 2014. ilus
Article in Spanish | LILACS | ID: lil-708671

ABSTRACT

Se presenta un paciente con enfermedad VIH/SIDA avanzada, que desarrolló un cuadro de angiomatosis bacilar por Bartonella henselae, con manifestaciones cutáneas, mucosas, sistémicas y que respondió favorablemente al tratamiento con antibióticos más la terapia antirretroviral.


We report a case of a patient with advanced HIV/AIDS disease who developed a bacillary angiomatosis due to Bartonella henselae with cutaneous, mucosae, systemic compromise and a good response to the antimicrobial therapy plus highly active antiretroviral therapy.

17.
Rev. argent. dermatol ; Rev. argent. dermatol;95(1): 2-8, mar. 2014. ilus
Article in Spanish | BINACIS | ID: bin-131923

ABSTRACT

Se presenta un paciente con enfermedad VIH/SIDA avanzada, que desarrolló un cuadro de angiomatosis bacilar por Bartonella henselae, con manifestaciones cutáneas, mucosas, sistémicas y que respondió favorablemente al tratamiento con antibióticos más la terapia antirretroviral.(AU)


We report a case of a patient with advanced HIV/AIDS disease who developed a bacillary angiomatosis due to Bartonella henselae with cutaneous, mucosae, systemic compromise and a good response to the antimicrobial therapy plus highly active antiretroviral therapy.(AU)

18.
Virology ; 449: 317-27, 2014 Jan 20.
Article in English | MEDLINE | ID: mdl-24418566

ABSTRACT

The intra-host evolutionary process of hepatitis C virus (HCV) was analyzed by phylogenetic and coalescent methodologies in a patient co-infected with HCV-1a, HCV-2a, HCV-3a and human immunodeficiency virus (HIV) along a 13-year period. Direct sequence analysis of the E2 and NS5A regions showed diverse evolutionary dynamics, in agreement with different relationships between these regions and the host factors. The Bayesian Skyline Plot analyses of the E2 sequences (cloned) yielded different intra-host evolutionary patterns for each genotype: a steady state of a "consensus" sequence for HCV-1a; a pattern of lineage splitting and extinction for HCV-2a; and a two-phase (drift/diversification) process for HCV-3a. Each genotype evolving in the same patient and at the same time presents a different pattern apparently modulated by the immune pressure of the host. This study provides useful information for the management of co-infected patients and provides insights into the mechanisms behind the intra-host evolution of HCV.


Subject(s)
Coinfection/virology , Evolution, Molecular , HIV Infections/virology , HIV-1/physiology , Hepacivirus/genetics , Hepatitis C/virology , Adult , Follow-Up Studies , HIV-1/genetics , HIV-1/isolation & purification , Hepacivirus/classification , Hepacivirus/isolation & purification , Humans , Male , Middle Aged , Molecular Sequence Data , Phylogeny , Retrospective Studies , Viral Proteins/genetics
19.
Neuroradiol J ; 26(2): 151-4, 2013 Apr.
Article in English | MEDLINE | ID: mdl-23859236

ABSTRACT

Progressive multifocal leukoencephalopathy causes an infection of the central nervous system by JC virus (JCV), a polyomavirus that destroys oligodendrocytes and their myelin processes. Here, we describe a patient with AIDS who developed a progressive multifocal leucoencephalopathy with the clinical and neuroimaging characteristics of the immune inflammatory reconstitution syndrome. Unlike other opportunistic infections, this disease can present when CD4 T cell counts are higher than those associated with AIDS and also when patients are receiving combined antiretroviral therapy. Clinical suspicion of this form of the disease is based on clinical examination that shows focal neurological deficits associated with magnetic resonance images findings. The histopathological examination of brain biopsy smears and the identification of JCV in cerebrospinal fluid or brain tissue are definitive for the diagnosis.


Subject(s)
Acquired Immunodeficiency Syndrome/complications , Immune Reconstitution Inflammatory Syndrome/physiopathology , Leukoencephalopathy, Progressive Multifocal/diagnosis , Leukoencephalopathy, Progressive Multifocal/etiology , Adult , Astrocytes/pathology , Brain/pathology , Humans , Magnetic Resonance Imaging , Male
20.
Int J STD AIDS ; 22(12): 759-63, 2011 Dec.
Article in English | MEDLINE | ID: mdl-22174064

ABSTRACT

Plasmablastic lymphoma (PBL) is a distinct disease entity of the diffuse large B-cell lymphoma, which often occurs in HIV-positive patients. The immunophenotype of this lymphoid neoplasm is characterized by the presence of plasma cell-associated markers VS38c and CD138 antigens and the absence of B-cell markers such as CD20 and CD45. The most frequent site of involvement is the oral cavity and the jaw, while several reports describe the development of PBL in extra-oral sites including the lymph nodes, the anal canal, the soft tissue, the skin and the gastrointestinal tract as less frequent. Epstein-Barr virus is often associated with PBL pathogenesis and the neoplastic cells contain this virus genome. Here we review the epidemiological, clinical, immunological, histopathological and virological characteristics and their prognosis and outcome in a series of five patients with diagnoses of HIV/AIDS and PBL.


Subject(s)
HIV Infections/pathology , Lymphoma, AIDS-Related/pathology , Lymphoma, Large B-Cell, Diffuse/virology , Adult , Female , Humans , Liver/pathology , Lymphoma, AIDS-Related/diagnosis , Lymphoma, AIDS-Related/virology , Lymphoma, Large B-Cell, Diffuse/diagnosis , Lymphoma, Large B-Cell, Diffuse/pathology , Male , Middle Aged , Mouth/pathology , Prognosis , Skin/pathology
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