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18F-FDG Positron-Emission Tomography/Computed Tomography Findings of Radiographic Lesions Suggesting Old Healed Tuberculosis
Journal of Korean Medical Science ; : 386-391, 2014.
Artigo em Inglês | WPRIM | ID: wpr-112008
ABSTRACT
The presence of radiographic lesions suggesting old healed tuberculosis (TB) is one of the strongest risk factors for the subsequent development of active TB. We elucidated the metabolic activity of radiographic lesions suggesting old healed TB using 18F-fluorodeoxyglucose positron emission tomography/computed tomography (18F-FDG PET/CT). This cross-sectional study included 63 participants with radiographic lesions suggesting old healed TB and with available 18F-FDG PET/CT scans. The maximum standardized uptake value (SUVmax) measured in the lesions, the clinical characteristics, results of the tuberculin skin test (TST) and interferon-gamma release assay (IGRA) were analyzed. The SUVmax in old healed TB was 1.5 or higher among nine (14.3%) participants. Age (adjusted odds ratio [aOR], 1.23; 95% CI, 1.03-1.46), history of previous TB (aOR, 60.43; 95% CI, 1.71-2131.65), and extent of the lesions (aOR, 1.34; 95% CI, 1.02-1.75) were associated with higher SUVmax. The positive rates for the TST and IGRA were not different between groups with and without increased FDG uptake. Increased FDG uptake on 18F-FDG PET/CT was observed in a subset of patients with radiographic lesions suggesting old healed TB. Given that the factors associated with increased FDG uptake are known risk factors for TB development, the possibility exists that participants with old healed TB lesions with higher SUV on 18F-FDG PET/CT scans might be at higher risk for active TB.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Tuberculose / Teste Tuberculínico / Tomografia Computadorizada por Raios X / Razão de Chances / Estudos Transversais / Fatores de Risco / Seguimentos / Compostos Radiofarmacêuticos / Fluordesoxiglucose F18 / Tomografia por Emissão de Pósitrons Tipo de estudo: Estudo diagnóstico / Estudo de etiologia / Estudo observacional / Estudo de prevalência / Estudo prognóstico / Fatores de risco Limite: Adulto / Idoso / Aged80 / Feminino / Humanos / Masculino Idioma: Inglês Revista: Journal of Korean Medical Science Ano de publicação: 2014 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Tuberculose / Teste Tuberculínico / Tomografia Computadorizada por Raios X / Razão de Chances / Estudos Transversais / Fatores de Risco / Seguimentos / Compostos Radiofarmacêuticos / Fluordesoxiglucose F18 / Tomografia por Emissão de Pósitrons Tipo de estudo: Estudo diagnóstico / Estudo de etiologia / Estudo observacional / Estudo de prevalência / Estudo prognóstico / Fatores de risco Limite: Adulto / Idoso / Aged80 / Feminino / Humanos / Masculino Idioma: Inglês Revista: Journal of Korean Medical Science Ano de publicação: 2014 Tipo de documento: Artigo