Publications by authors named "C F Caceres"
Serological tests for syphilis require equipment unavailable in many health centers; however, point-of-care testing facilitates rapid screening using finger-prick whole blood samples. A further improvement could be oral fluid for ease of use. We evaluated the performance of treponemal antibody point-of-care testing for syphilis screening using oral fluid samples.
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- An increase in spillover events of avian influenza A(H5N1) to mammals indicates that certain virus strains are adapting for better transmission among mammals.
- Research using air-sampling devices to monitor ferrets shows that earlier strains of A(H5N1) didn't effectively transmit due to low airborne virus shedding, not a lack of mutations needed for adaptation.
- In contrast, while human A(H1N1) was easily detected in the air, some A(H5N1) strains from 2005 and 2024 were not, although a couple of ferrets infected with a 2022 European polecat strain and a 2024 strain from a farm worker did shed infectious virus.
Objective: This study aims to provide a literature review of FNAC-diagnosed plasmablastic lymphoma (PBL) cases and present a case of PBL in an HIV patient diagnosed by FNAC.
Methods: A literature review was conducted across eight databases to compile information on FNAC-diagnosed PBL cases without restricting the site of involvement.
Results: The literature review included 23 PBL, with 13 (56.
Development and Evaluation of a Convolutional Neural Network for Microscopic Diagnosis Between Pleomorphic Adenoma and Carcinoma Ex-Pleomorphic Adenoma.
Head Neck
October 2024
Aims: To develop a model capable of distinguishing carcinoma ex-pleomorphic adenoma from pleomorphic adenoma using a convolutional neural network architecture.
Methods And Results: A cohort of 83 Brazilian patients, divided into carcinoma ex-pleomorphic adenoma (n = 42) and pleomorphic adenoma (n = 41), was used for training a convolutional neural network. The whole-slide images were annotated and fragmented into 743 869 (carcinoma ex-pleomorphic adenomas) and 211 714 (pleomorphic adenomas) patches, measuring 224 × 224 pixels.
Article Synopsis
- The study focused on improving the diagnosis of dementia with Lewy bodies (DLB), especially in its early stages, when symptoms can overlap with Alzheimer's and Parkinson's disease.
- Researchers conducted a cross-sectional study comparing newly diagnosed DLB patients to those with Alzheimer's, Parkinson's, and a control group, utilizing transcranial sonography (TCS) to measure specific brain parameters.
- Results indicated that higher echogenicity in the substantia nigra (SN) and wider frontal horns of lateral ventricles were strong predictors for diagnosing DLB, suggesting these TCS parameters could help differentiate DLB from other neurodegenerative disorders.