Publications by authors named "Leonardo Barreto"

Five mycobacterial isolates from sewage were classified as members of the genus but presented inconclusive species assignments. Thus, the isolates (MYC017, MYC098, MYC101, MYC123 and MYC340) were analyzed by phenotypical, biochemical, matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS) and genomic features to clarify their taxonomic position. Phenotypic analysis and biochemical tests did not distinguish these isolates from other non-pigmented mycobacteria.

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Article Synopsis
  • A cross-sectional study in Brazil assessed the prevalence of the Linburg-Comstock anomaly in 1,008 volunteers aged 18 and older, finding a prevalence rate of 55.95%.
  • The anomaly was often bilateral (53.2%), with a higher occurrence on the right side, particularly in men, while women reported more pain related to the condition.
  • The findings highlight the need for further research into the Linburg-Comstock anomaly and its associated conditions, especially considering the notable gender differences in pain prevalence.
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Background: Cutaneous leishmaniasis (CL) generally presents with a single or several localised cutaneous ulcers without involvement of mucous membranes. Ulcerated lesions are susceptible to secondary contamination that may slow the healing process.

Objective: This study verified the influence of non-parasitic wound infection on wound closure (epithelialisation) and total healing.

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Objective: To compare the accuracy of the amplified Mycobacterium tuberculosis direct (AMTD) test with reference methods for the laboratory diagnosis of tuberculosis in HIV-infected patients.

Methods: This was a study of diagnostic accuracy comparing AMTD test results with those obtained by culture on Löwenstein-Jensen (LJ) medium and by the BACTEC Mycobacteria Growth Indicator Tube 960 (BACTEC MGIT 960) system in respiratory samples analyzed at the Bioassay and Bacteriology Laboratory of the Oswaldo Cruz Foundation Evandro Chagas Clinical Research Institute in the city of Rio de Janeiro, Brazil.

Results: We analyzed respiratory samples collected from 118 patients, of whom 88 (74.

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Background: Scientific publications focusing on the results of pancreatic resections in Brazil are scarce.

Aim: To present the surgical results of pancreatic resections.

Methods: Were analyzed prospectively 54 consecutive cases of patients undergoing consecutive pancreatectomy evaluating the occurrence of postoperative complications (pancreatic fistula, delayed gastric emptying and postoperative hemorrhage) based on the criteria of the International Study Group on Pancreatic Fistula Definition and International Study Group of Pancreatic Surgery.

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Lipoblastoma and lipoblastomatosis are rare benign soft-tissue tumoral lesions resembling fetal adipose tissue. A total of 16 cases of lipoblastoma of the neck were reported in the literature, and only 3 were described in the posterior side of the neck. Hibernoma is a rare benign adipose tumor composed of brown fat cells and only about ten cases occurring in the cervical area have been reported.

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Background: Sydenham's chorea is associated with dysfunction of fronto-striatal circuits induced by cross-reactive antibodies to group A β-hemolytic streptococcus. High susceptibility of extrapyramidal effects of neuroleptics in patients with Sydenham's chorea suggests underlying nigro-striatal dysfunction.

Objective: To study the presence of parkinsonism in patients with a history of Sydenham's Chorea.

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