Tomography Emission Computed Single Photon
Mostrando 1-12 de 106 artigos, teses e dissertações.
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1. Magnetic resonance and dopamine transporter imaging for the diagnosis of Parkinson´s disease: a narrative review
RESUMO Antecedentes: O diagnóstico da doença de Parkinson (DP) pode ser desafiador, principalmente nas fases iniciais da doença, embora tenha critérios clínicos atualizados e validados. Os avanços recentes em neuroimagem na DP, além do seu papel já consolidado de excluir causas secundárias e outras causas neurodegenerativas de parkinsonismo, tem c
Arquivos de Neuro-Psiquiatria. Publicado em: 2022
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2. Does Tight Glucose Control During the First 24 hours of Hospitalization Reduce Scintigraphic Infarct Size in STEMI Patients?
Abstract Background Hyperglycemia at the time of admission is related to increased mortality and poor prognosis in patients diagnosed with ST-segment elevation myocardial infarction (STEMI). Objective We aimed to investigate whether tight glucose control during the first 24 hours of STEMI decreases the scintigraphic infarct size. Methods The study populat
Int. J. Cardiovasc. Sci.. Publicado em: 2020-10
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3. Otorhinolaryngologists and Coronavirus Disease 2019 (COVID-19)
Abstract Introduction The efficacy of sentinel node biopsy in early stage oral cancer is well established. Its evolving role can be reinforced by further studies. Objective Analyzing the predictability of the levels of echelon nodes for various oral cavity tumor subsites on sentinel node biopsy. Methods A prospective study of 20 patients with stage I/I
Int. Arch. Otorhinolaryngol.. Publicado em: 2020-06
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4. Can Sentinel Lymph Node Biopsy Predict Various Levels of Echelon Nodes in Oral Cancers?
Abstract Introduction The efficacy of sentinel node biopsy in early stage oral cancer is well established. Its evolving role can be reinforced by further studies. Objective Analyzing the predictability of the levels of echelon nodes for various oral cavity tumor subsites on sentinel node biopsy. Methods A prospective study of 20 patients with stage I/I
Int. Arch. Otorhinolaryngol.. Publicado em: 2020-06
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5. Myocardial Perfusion by Coronary Computed Tomography in the Evaluation of Myocardial Ischemia: Simultaneous Stress Protocol with SPECT
Resumo Fundamento: A avaliação funcional para descartar a isquemia miocárdica utilizando a angiotomografia computadorizada (angio-TC) de coronárias é de extrema importância e dados na população brasileira ainda são escassos. Objetivo: Avaliar o desempenho diagnóstico da perfusão miocárdica pela angio-TC de coronárias na detecção de doença a
Arq. Bras. Cardiol.. Publicado em: 03/10/2019
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6. Neuropsychology of the temporal lobe: Luria's and contemporary conceptions
RESUMO Atualmente, estudos de lesão cerebral implementam técnicas como tomografia computadorizada, ressonância magnética funcional, tomografia por emissão de fóton e tomografia por emissão de pósitrons. Estudos sobre cognição do neuropsicólogo Alexander Romanovich Luria foram realizados há vários anos sem o uso de tecnologia de imagem, com uma g
Dement. neuropsychol.. Publicado em: 23/09/2019
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7. The role of fetal-maternal microchimerism as a natural-born healer in integrity improvement of maternal damaged kidney
ABSTRACT Purpose: To identify the fetal stem cell (FSC) response to maternal renal injury with emphasis on renal integrity improvement and Y chromosome detection in damaged maternal kidney. Materials and Methods: Eight non-green fluorescent protein (GFP) transgenic Sprague-Dawley rats were mated with GFP-positive transgenic male rats. Renal damage was indu
Int. braz j urol.. Publicado em: 2018-06
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8. Support vector machine-based classification of neuroimages in Alzheimer’s disease: direct comparison of FDG-PET, rCBF-SPECT and MRI data acquired from the same individuals
Objective: To conduct the first support vector machine (SVM)-based study comparing the diagnostic accuracy of T1-weighted magnetic resonance imaging (T1-MRI), F-fluorodeoxyglucose-positron emission tomography (FDG-PET) and regional cerebral blood flow single-photon emission computed tomography (rCBF-SPECT) in Alzheimer’s disease (AD). Method: Brain T1-MR
Rev. Bras. Psiquiatr.. Publicado em: 02/10/2017
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9. Myocardial blood flow assessment with 82rubidium-PET imaging in patients with left bundle branch block
OBJECTIVES: Perfusion abnormalities are frequently seen in Single Photon Emission Computed Tomography (SPECT) when a left bundle branch block is present. A few studies have shown decreased coronary flow reserve in the left anterior descending territory, regardless of the presence of coronary artery disease. OBJECTIVE: We sought to investigate rubidium-82 (
Clinics. Publicado em: 2015-11
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10. The key role of 99mTc-MIBI SPECT/CT in the diagnosis of parathyroid adenoma: a case report
The concomitant occurrence of primary hyperparathyroidism (PHPT) due to parathyroid adenoma and papillary thyroid carcinoma (PTC) is not common. The co-occurrence of parathyroid tumors and thyroid diseases can lead to misdiagnosis owing to mutual interference of imaging in the early period of disease. The most commonly used imaging techniques for the preoper
Arch. Endocrinol. Metab.. Publicado em: 2015-06
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11. Fluxo sanguíneo regional cerebral e função cognitiva em pacientes com transtorno obsessivo compulsivo
Objetivo: Estudar a relação entre a perfusão sanguínea regional cerebral e as funções cognitivas em pacientes com transtorno obsessivo compulsivo (TOC). Método: Foram estudados 139 pacientes com TOC e 139 controles. As imagens do fluxo sanguíneo cerebral foram feitas por single photon emission computed tomography e o radioactivity rate (RAR) foi
Arq. Neuro-Psiquiatr.. Publicado em: 2014-01
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12. Performance assessment of the single photon emission microscope: high spatial resolution SPECT imaging of small animal organs
The single photon emission microscope (SPEM) is an instrument developed to obtain high spatial resolution single photon emission computed tomography (SPECT) images of small structures inside the mouse brain. SPEM consists of two independent imaging devices, which combine a multipinhole collimator, a high-resolution, thallium-doped cesium iodide [CsI(Tl)] col
Braz J Med Biol Res. Publicado em: 06/11/2013