Alex Panizza Jalkh, Naira Sulany Oliveira de Sousa, Juan Diego Ribeiro de Almeida, Flávia da Silva Fernandes, Kátia Santana Cruz, Hagen Frickmann, Marcus Vinícius Guimarães Lacerda, João Vicente Braga de Souza
{"title":"Cutaneous cryptococcosis resembling keratoacanthoma.","authors":"Alex Panizza Jalkh, Naira Sulany Oliveira de Sousa, Juan Diego Ribeiro de Almeida, Flávia da Silva Fernandes, Kátia Santana Cruz, Hagen Frickmann, Marcus Vinícius Guimarães Lacerda, João Vicente Braga de Souza","doi":"10.1590/0037-8682-0300-2024","DOIUrl":"10.1590/0037-8682-0300-2024","url":null,"abstract":"<p><p>Cutaneous cryptococcosis is a manifestation of systemic cryptococcal infection, characterized by polymorphic skin lesions that can make diagnosis challenging. We report an HIV-positive patient with a solitary facial nodule, initially diagnosed as keratoacanthoma. Histopathology, fungal culture, and cerebrospinal fluid analysis confirmed disseminated cryptococcosis with central nervous system involvement caused by Cryptococcus neoformans genotype VNI. He was treated with amphotericin B followed by fluconazole, resulting in complete clinical resolution. This case underscores the need to consider disseminated cryptococcosis in the differential diagnosis of tumorlike skin lesions, particularly in HIV-positive patients.</p>","PeriodicalId":21199,"journal":{"name":"Revista da Sociedade Brasileira de Medicina Tropical","volume":"58 ","pages":"e03002024"},"PeriodicalIF":1.8,"publicationDate":"2025-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12233740/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144609223","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The CT target sign as a criterion for the differential diagnosis between tuberculosis and organizing pneumonia.","authors":"Elcio Bakowski, Gláucia Zanetti, Edson Marchiori","doi":"10.1590/0037-8682-0095-2025","DOIUrl":"10.1590/0037-8682-0095-2025","url":null,"abstract":"","PeriodicalId":21199,"journal":{"name":"Revista da Sociedade Brasileira de Medicina Tropical","volume":"58 ","pages":"e00952025"},"PeriodicalIF":1.8,"publicationDate":"2025-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12233738/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144609228","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Nurhayat Yakut, Kahraman Yakut, Mehmet Gumustas, Serap Bas, Ibrahim Cansaran Tanidir
{"title":"Unveiling Silent Patent Ductus Arteriosus with COVID-19.","authors":"Nurhayat Yakut, Kahraman Yakut, Mehmet Gumustas, Serap Bas, Ibrahim Cansaran Tanidir","doi":"10.1590/0037-8682-0086-2025","DOIUrl":"10.1590/0037-8682-0086-2025","url":null,"abstract":"","PeriodicalId":21199,"journal":{"name":"Revista da Sociedade Brasileira de Medicina Tropical","volume":"58 ","pages":"e00862025"},"PeriodicalIF":1.8,"publicationDate":"2025-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12233736/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144609230","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Matheus Felipe Dantas Krause, Mariângela Ribeiro Resende, Gabriela Romantini Salioni, Vinicius de Menezes Jarry, Fabiano Reis
{"title":"Cerebral Abscess and epidural empyema in a young immunocompetent patient caused by Streptococcus constellatus.","authors":"Matheus Felipe Dantas Krause, Mariângela Ribeiro Resende, Gabriela Romantini Salioni, Vinicius de Menezes Jarry, Fabiano Reis","doi":"10.1590/0037-8682-0031-2025","DOIUrl":"10.1590/0037-8682-0031-2025","url":null,"abstract":"<p><p>Streptococcus constellatus, a member of the Streptococcus anginosus group, is a commensal bacterium that causes pyogenic infections, particularly abscesses. This report describes the case of a 28-year-old immunocompetent man who developed a brain abscess and epidural empyema after pneumonia. MRI suggested an abscess, which was confirmed by culture, revealing S. constellatus. Treatment included abscess drainage and ceftriaxone administration, which led to a full recovery. Diagnosis is challenging because of overlapping features with other bacteria. Imaging and culturing are crucial for identification. This case highlights the importance of considering S. constellatus in central nervous system infections, even in immunocompetent individuals.</p>","PeriodicalId":21199,"journal":{"name":"Revista da Sociedade Brasileira de Medicina Tropical","volume":"58 ","pages":"e00312025"},"PeriodicalIF":1.8,"publicationDate":"2025-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12233747/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144609209","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jobson Lopes de Oliveira, Igor Albuquerque Nogueira, Afonso Rocha Eisele, Luis Arthur Brasil Gadelha Farias
{"title":"Methotrexate-Induced Pneumonitis in a Patient with Chronic Chikungunya Arthritis.","authors":"Jobson Lopes de Oliveira, Igor Albuquerque Nogueira, Afonso Rocha Eisele, Luis Arthur Brasil Gadelha Farias","doi":"10.1590/0037-8682-0136-2025","DOIUrl":"10.1590/0037-8682-0136-2025","url":null,"abstract":"","PeriodicalId":21199,"journal":{"name":"Revista da Sociedade Brasileira de Medicina Tropical","volume":"58 ","pages":"e01362025"},"PeriodicalIF":1.8,"publicationDate":"2025-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12233749/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144609225","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Mariana Antunes Villa, Caroline Ogea Tavares, Gisela Cipullo Moreira, Carlos Alberto Caldeira Mendes
{"title":"Secondary infection with Aeromonas hydrophila and death of two patients with probable Bothrops envenomation.","authors":"Mariana Antunes Villa, Caroline Ogea Tavares, Gisela Cipullo Moreira, Carlos Alberto Caldeira Mendes","doi":"10.1590/0037-8682-0430-2024","DOIUrl":"10.1590/0037-8682-0430-2024","url":null,"abstract":"<p><p>Secondary infection following snakebites is a common complication, and few studies exist in the literature regarding the most frequent microorganisms and the most appropriate antibiotic regimens. This article reports two cases of patients who progressed to death due to infection by Aeromonas hydrophila following a snakebite from the genus Bothrops in southeastern Brazil. This bacterium is not commonly reported as an agent of this complication in the national literature; however, it should be considered for the treatment of secondary infections following snakebites because of their potentially severe progression.</p>","PeriodicalId":21199,"journal":{"name":"Revista da Sociedade Brasileira de Medicina Tropical","volume":"58 ","pages":"e04302024"},"PeriodicalIF":1.8,"publicationDate":"2025-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12233744/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144609227","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Vidal Haddad Júnior, Flávio César Thadeo de Lima, William Gareth Richard Crampton, Ribamar Ponsiano Monteiro, Raimundo Nonato Gomes Mendes-Júnior
{"title":"Two Clinical Records of Human Injuries with a Death caused by Electric Eels Electrophorus spp. Gill, 1864.","authors":"Vidal Haddad Júnior, Flávio César Thadeo de Lima, William Gareth Richard Crampton, Ribamar Ponsiano Monteiro, Raimundo Nonato Gomes Mendes-Júnior","doi":"10.1590/0037-8682-0007-2025","DOIUrl":"10.1590/0037-8682-0007-2025","url":null,"abstract":"<p><p>Electrical eels, or poraqués or temblones (Electrophorus spp. Gill, 1864), are highly feared animals in the Amazon, mainly because of their electric discharge of up to 860 volts. We report two cases of human injuries caused by electric eels, one of which was fatal. The shocks caused muscle rigidity, and the victim likely drowned because of muscle contracture. Strong electric shocks increase the levels of cardiac enzymes in the blood, as observed with the elevation of total creatine phosphokinase (CPK) and creatine phosphokinase myocardial band (CPK-MB) in surviving victims, which is potentially indicative of injuries caused by poraqués.</p>","PeriodicalId":21199,"journal":{"name":"Revista da Sociedade Brasileira de Medicina Tropical","volume":"58 ","pages":"e00072025"},"PeriodicalIF":1.8,"publicationDate":"2025-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12233748/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144609229","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Erratum.","authors":"","doi":"10.1590/0037-8682-0304e-2024","DOIUrl":"10.1590/0037-8682-0304e-2024","url":null,"abstract":"<p><p>[This corrects the article doi: 10.1590/0037-8682-0304-2024].</p>","PeriodicalId":21199,"journal":{"name":"Revista da Sociedade Brasileira de Medicina Tropical","volume":"58 ","pages":"e020022025"},"PeriodicalIF":1.8,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12204219/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144561002","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}