Abstract
BackgroundMycoplasma hominis infection is common in urinary tract. 18F-FDG-PET/CT is a valuable tool for tumor and infection diagnosis. Few studies have shown the 18F-FDG-PET/CT images after mycoplasma infection.Case presentationHere we described a case of Waldenstrom macroglobulinemia with thickened bladder wall. The 18F-FDG-PET/CT showed the SUVmax up to 36.1 mimicking bladder cancer. The results of histopathological examination and metagenomic sequencing of the blood and urinary revealed the Mycoplasma hominis infection.ConclusionThe full consideration should be given to the possibility of infection besides tumor in lesions with high SUV value in 18F-FDG-PET/CT, especially in immunodeficiency patients.
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