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• W2022174391 abstract "La fiebre de origen desconocido (SFOD) se define como fiebre de más de 38,3 °C, con duración superior a las 3 semanas, sin poder diagnosticar su causa durante una semana de estancia hospitalaria. Se han descrito más de 200 causas, en cuatro categorías: infecciones, enfermedades inflamatorias, procesos oncológicos y miscelánea.Los métodos diagnósticos no invasivos se utilizan en el 69,2% de los casos y los invasivos en el 30,8%. Las técnicas de imagen estructural muestran los cambios morfológicos de los procesos inflamatorios, infecciosos y tumorales, pero no permiten detectar los cambios precoces que provocan estos procesos. La información metabólica de la 18F-FDG PET/TC presenta un papel prometedor en estos pacientes. La captación de 18F-FDG se basa en el hecho de que las células utilizan glucosa como fuente de energía, por lo que indica actividad en procesos inflamatorios, infecciosos y tumorales. Las indicaciones no oncológicas establecidas que representan más del 85% de los estudios son: sarcoidosis, osteomielitis, espondilodiscitis, SFOD y vasculitis.Fever of unknown origin is defined as a body temperature greater than 38.3 °C lasting more than three weeks for which the cause could not be found within one week of hospital admission. More than 200 causes have been reported, and these can be classified into four categories: infections, inflammatory diseases, oncologic processes, and miscellaneous conditions.Noninvasive diagnostic techniques are used in 69.2% of cases and invasive techniques in 30.8%. Structural imaging techniques show the morphological changes from infectious, inflammatory, and tumor-related processes, but they do not allow the detection of the early changes brought about by these processes. The metabolic information provided by 18F-FDG PET/CT has a promising role in these patients. 18F-FDG uptake is based on the cells’ use of glucose as a source of energy, so it can be observed in infectious, inflammatory, and tumor-related processes. The established non-oncologic indications for 18F-FDG PET/CT are sarcoidosis, osteomyelitis, spondylodiscitis, fever of unknown origin, and vasculitis, which together account for more than 85% of studies." @default.
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• W2022174391 date "2009-04-01" @default.
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• W2022174391 title "Tomografía por emisión de positrones de cuerpo completo (PET/TAC) con 18F-fluorodesoxiglucosa" @default.
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• W2022174391 doi "https://doi.org/10.1016/s0212-6982(09)70706-2" @default.
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