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Fever of unknown origin is still a
medical challenge. 67Ga single photon emission computed tomography/computed
tomography images are commonly used to evaluate the final diagnosis of fever of
unknown origin. We presented a case of fever of unknown origin undergone 67Ga
scintigraphy and an intra-abdominal 67Ga avid tumor was detected
which suspected to be a neoplasm. Further contrast enhanced computed tomography
revealed that the lesion was a large renal carbuncle. We concluded that the contrast-enhanced CT or single photon emission computed
tomography/computed tomography with contrast enhancement can be performed
to further improve diagnostic performance.
Concrete filled steel tube structures have gained booming development in recent decades, especially in China. Simplified methods have been proposed in design codes, such as the Eurocode 4 (EC4) and the China engineering and construction specification (CECS). In EC4, the confinement effect is reasonably related to slenderness and load eccentricity. The CECS method is much straight forward in that the slenderness ratio and load eccentricity are treated as independent reduction factors. To make use of the advantages of both the CECS and the EC4 methods, the CECS method is modified to consider the confinement effect associated with slenderness and load eccentricity. It is shown that the proposed method can predict well the ultimate load capacity of circular section concrete filled steel tube columns.