Tumor-like lesion due to Chagas' disease in a patient with lymphocytic leukemia.

abstract：:Hand-foot-and-mouth disease (HFMD) is becoming one of the extremely common airborne and contact transmission diseases in Guangzhou, southern China, leading public health authorities to be concerned about its increased incidence. In this study, it was used an ecological study plus the negative binomial regression to id...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Li T,Yang Z,Liu X,Kang Y,Wang M

更新日期：2014-11-01 00:00:00

abstract：:A series of already published and unpublished seroepidemiological surveys for toxoplasmosis, carried out in Chile in 1982-1994, is reviewed, expanded and analyzed. The surveys included 76,317 apparently healthy individuals of different ages (0.57% of the country's total population), from 309 urban and rural-periurban ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Contreras M,Schenone H,Salinas P,Sandoval L,Rojas A,Villarroel F,Solis F

更新日期：1996-11-01 00:00:00

abstract：:Recent human herpesvirus 6 (HHV-6) infection was detected in cases of exanthem subitum (ES) involving four children, aged 10 to 24 months, between April and August 1994, in Belém, Brazil. By using the indirect immunofluorescence antibody assay (IFA), significant increases (at least eight times) in antibody concentrati...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： de Freitas RB,Linhares AC,Oliveira CS,Gusmão RH,Linhares MI

更新日期：1995-11-01 00:00:00

abstract：:Nosocomial infection among male patients in a public psychiatric hospital was studied and the definitions for use in long-term care facilities were employed for diagnosis. The overall nosocomial infection rate was 6.7 per 1,000 day inpatients; 55.6% of these infections were identified in the respiratory tract, 50% of ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Almeida RC,Pedroso RP

更新日期：1999-11-01 00:00:00

abstract：UNLABELLED:Hepatocellular carcinoma (HCC) is an important type of cancer etiologically related to some viruses, chemical carcinogens and other host or environmental factors associated to chronic liver injury in humans. The tumor suppressor gene p53 is mutated in highly variable levels (0-52%) of HCC in different countr...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Alves VA,Nita ME,Carrilho FJ,Ono-Nita SK,Wakamatsu A,Lehrbach DM,de Carvalho MF,de Mello ES,Gayotto LC,da Silva LC

更新日期：2004-01-01 00:00:00

abstract：:Four hundred and fifteen cases of bites by adult Bothrops jararaca (group A) were admitted to the Hospital Vital Brasil between 1981 and 1987. These cases were compared to 562 cases of bites by young snakes of the same species (group B) during the same period and at the same hospital. In group B blood incoagulability ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Ribeiro LA,Jorge MT

更新日期：1990-11-01 00:00:00

abstract：:The formalin-Tween sedimentation method was compared with the formalin-ether sedimentation for parasitic detection. Of a total 297 fecal specimens examined, 72.1% were positive. The formalin-tween technique was effective for ascertaining helminths, particularly Ascaris lumbricoides, Trichuris trichiura and hookworm eg...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Methanitikorn R,Sukontason K,Sukontason KL,Piangjai S

更新日期：2003-09-01 00:00:00

abstract：:Mayaro virus (MAYV) is an arbovirus (Togaviridae: Alphavirus) enzootic in tropical South America and maintained in a sylvan cycle involving wild vertebrates and Haemagogus mosquitoes. MAYV cases occur sporadically in persons with a history of recent activities inside or around forests. This paper reports three cases o...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Coimbra TL,Santos CL,Suzuki A,Petrella SM,Bisordi I,Nagamori AH,Marti AT,Santos RN,Fialho DM,Lavigne S,Buzzar MR,Rocco IM

更新日期：2007-07-01 00:00:00

abstract：:Immunosuppressed animals respond poorly to schistosomal chemotherapy and a proper response can be restored by the administration of immune serum. Present study attempts to search whether immunological stimulation would increase drug effectiveness. Swiss mice infected with 50 S. mansoni cercariae were later treated wit...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Silva LM,Andrade ZA

更新日期：1997-01-01 00:00:00

abstract：:This study aims to assess the association between schistosomiasis and hookworm infection with hemoglobin levels of schoolchildren in northern Mozambique. Through a cross-sectional survey, 1,015 children from five to 12 years old in the provinces of Nampula, Cabo Delgado and Niassa were studied. Hookworm infection and ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Casmo V,Augusto G,Nala R,Sabonete A,Carvalho-Costa FA

更新日期：2014-05-01 00:00:00

abstract：:Formalin-killed promastigotes (FKP) of Leishmania major, in combination with Montanide ISA 720 (MISA), BCG or alum were used in vaccination of an inbred murine model against cutaneous leishmaniasis (CL). Significant and specific increases in anti-FKP IgG responses were detected for both alum-FKP and BCG-FKP compared t...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Mutiso JM,Macharia JC,Mutisya RM,Taracha E

更新日期：2010-03-01 00:00:00

abstract：:Therapy of coccidioidomycosis continues to evolve. For primary pulmonary disease, antifungal therapy is frequently not required while prolonged courses of antifungals are generally needed for those in whom extrathoracic disseminated has occurred. Intravenous amphotericin B should be reserved for those with severe dise...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Ampel NM

更新日期：2015-09-01 00:00:00

abstract：:Capnocytophaga is a group of facultative anaerobic gram-negative bacteria present in the oral cavity of humans, dogs and cats, as part of their normal oral flora. Here, we described two cases of bloodstream infections (BSI) caused by Capnocytophaga in neutropenic autologous hematopoietic stem cell transplantation (aut...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Mendes FR,Bruniera FR,Schmidt J,Cury AP,Rizeck C,Higashino H,Oliveira FN,Rossi F,Rocha V,Costa SF

更新日期：2020-01-01 00:00:00

abstract：:Infection by Candida spp. is associated with high mortality rates, especially when treatment is not appropriate and/or not immediate. Therefore, it is necessary to correctly identify the genus and species of Candida. The aim of this study was to compare the identification of 89 samples of Candida spp. by the manual me...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Souza MN,Ortiz SO,Mello MM,Oliveira Fde M,Severo LC,Goebel CS

更新日期：2015-07-01 00:00:00

abstract：:This paper reports the findings of a survey for intestinal parasites among the Xavánte Indians from Central Brazil. A. lumbricoides (25.0%) and hookworms (33.6%) were the two most common helminths; E. histolytica complex (7.8%) and G. lamblia (8.6%) the most common protozoans. The majority (58.5%) of positive individu...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Santos RV,Coimbra Júnior CE,Flowers NM,Silva JP

更新日期：1995-03-01 00:00:00

abstract：:Human cryptosporidiosis is an infection caused by Cryptosporidium spp, a coccidial protozoan of emergencial pathogenicity and responsible for severe and prostrating watery diarrhea, mainly in immunocompromised patients. Smears of stools submitted to concentration and staining by carbol fuchsin technique has been used ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Martinez I,Belda Neto FM

更新日期：2001-03-01 00:00:00

abstract：:The objective of this study was to evaluate the larvicidal activity of diterpenoids obtained from the oil-resin of Copaifera reticulata against Aedes aegypti larvae, the principal vector of dengue and urban yellow fever. Four diterpenes were obtained from oil-resin extraction with organic solvents and subsequent chrom...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Geris R,Silva IG,Silva HH,Barison A,Rodrigues-Filho E,Ferreira AG

更新日期：2008-01-01 00:00:00

abstract：:Intestinal parasitic infections are prevalent throughout many countries. This study aimed to determine the prevalence of intestinal parasite carriers among 21,347 expatriate workers, including food handlers and housemaids attending the public health center laboratory in Sharjah, UAE. Stool sample collection was perfor...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Dafalla AIA,Almuhairi SASO,AlHosani MHJ,Mohamed MY,Alkous MIA,AlAzzawi MA,Abakar AD,Nour BYM,Hasan H,AbuOdeh RO,ElBakri A

更新日期：2017-12-21 00:00:00

abstract：:Thirty eight paralysis cases classified as Guillain-Barré syndrome (GBS) in Brazil were analysed. In all these cases Sabin-related poliovirus vaccine strains were isolated. In most of the cases the last vaccine dose was given months or years before the onset of GBS, suggesting a persistent infection or the transmissio...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Friedrich F,Filippis AM,Schatzmayr HG

更新日期：1996-01-01 00:00:00

abstract：:A panoramic sight of epidemiological, clinical and experimental studies, referring to Loxosceles laeta and loxoscelism, carried out in 1955-1988, in Santiago, Chile is presented. Two-hundred and sixteen cases of loxoscelism were studied. The most relevant features were: 84.3% corresponded to cutaneous loxoscelism (CL)...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Schenone H,Saavedra T,Rojas A,Villarroel F

更新日期：1989-11-01 00:00:00

abstract：:This study presents the results of T. mentagrophytes inoculation in the cheek pouch of the hamster, an immunologically privileged site. Forty two animals were used: 21 inoculated with 10(6) fungi in the cheek pouch (group 1) and 21 inoculated initially with 10(6) fungi in the foot pad and 15 days later in the cheek po...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： de Arruda MS,Gilioli S,Vilani-Moreno FR

更新日期：2001-01-01 00:00:00

abstract：:Surfacen® is an exogenous natural lung surfactant, composed by phospholipids and hydrophobic proteins, which is applied successfully in Newborn Respiratory Distress Syndrome. In this paper, in vitro activity of Surfacen® against Leishmania amazonensis is described. The product showed activity against the amastigote fo...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Blanco O,Lugones Y,Díaz E,Monzote L

更新日期：2011-07-01 00:00:00

abstract：:Compared to previous years, seasonal influenza activity commenced early in São Paulo State, Brazil, Southern hemisphere during the 2016 year. In order to investigate the genetic pattern of influenza A(H1N1)pdm09 in the State of Sao Paulo a total of 479 respiratory samples, collected in January by Sentinel Surveillance...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Santos KC,Silva DB,Sasaki NA,Benega MA,Garten R,Paiva TM

更新日期：2017-04-03 00:00:00

abstract：:The aim of this study was to describe the epidemiological profile of snakebite accidents reported by the toxicological assistance center in Fortaleza, Ceará, Brazil. Database information on snakebite accidents was analyzed regarding the period from January 2003 to December 2011. A total of 1063 cases were found. The a...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Albuquerque PL,Silva Junior GB,Jacinto CN,Lima CB,Lima JB,Veras Mdo S,Daher EF

更新日期：2013-09-01 00:00:00

abstract：:A new conglomerate family sample of 194 dwellings with 996 resident persons were studied in the town of Barcelos, State of Amazonas, in order to re-evaluate the risk of Chagas disease. During the survey the persons were interviewed and in this occasion we showed to them a collection of Panstrongylus, Rhodnius and Tria...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Coura JR,Junqueira AC,Boia MN,Fernandes O,Bonfante C,Campos JE,Santos L,Devera R

更新日期：2002-05-01 00:00:00

abstract：:Immune reconstitution inflammatory syndrome (IRIS) is an atypical and unexpected reaction related to highly active antiretroviral therapy (HAART) in human immunodeficiency virus (HIV) infected patients. IRIS includes an atypical response to an opportunistic pathogen (generally Mycobacterium tuberculosis, Mycobacterium...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Corti M,Villafañe MF,Ambroggi M,Sawicki M,Gancedo E

更新日期：2007-07-01 00:00:00

abstract：:The insecticidal effect of six commercially available plant oils was tested against 4th larval instars of Culex pipiens. Larvae were originally collected from Meit El-Attar, Qalyubia Governorate, Egypt, and then reared in the laboratory until F1 generation. The LC50 values were 32.42, 47.17, 71.37, 83.36, 86.06, and 1...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Khater HF,Shalaby AA

更新日期：2008-03-01 00:00:00

abstract：:The Authors report a case of paracoccidioidomycosis in a Surui Indian patient from the state of Rondonia, Brazilian Amazon. The subject is an adult male, having been diagnosed on the basis of mycologic, serologic, and radiographic exams. The prescribed therapy was sulphamethoxazole 800 mg associated with trimethoprim ...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： do Valle AC,Coimbra Júnior CE,Llinares FI,Monteiro PC,Guimarães MR

更新日期：1991-09-01 00:00:00

abstract：:We describe the production of the potential monoclonal antibodies (MoAbs) using BALB/c mice immunized with vesicular fluid (VF)-Tcra (T. crassiceps) antigen. Immune sera presented anti-VF-Tcra (<20kD) IgG and IgM antibodies with cross-reactivity with T. solium (Tso) antigen (8-12, 14, and 18 kD). After cell fusion, we...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Espíndola NM,De Gaspari EN,Nakamura PM,Vaz AJ

更新日期：2000-05-01 00:00:00

abstract：:Strongyloides venezuelensis is a parasitic nematode of rodents frequently used to obtain heterologous antigens for the immunological diagnosis of human strongyloidiasis. The aim of this study was to evaluate membrane fractions from S. venezuelensis for human strongyloidiasis immunodiagnosis. Soluble and membrane fract...

journal_title：Revista do Instituto de Medicina Tropical de Sao Paulo

authors： Corral MA,Paula FM,Gottardi M,Meisel DM,Chieffi PP,Gryschek RC

更新日期：2015-01-01 00:00:00