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Updated: Dec 21, 2025
Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates
Published on: September 5, 2017
Disseminated Bacillus Calmette-Guérin Infection Detected on FDG PET/CT Following Intravesical Bacillus
Michael Curley, Hemant Bhardwaj1
1From the Queensland X-Ray, Greenslopes Private Hospital, Greenslopes.
Abstract:
We report the case of a 64-year-old man who presented with back pain, anorexia, and weight loss 9 months following bacillus Calmette-Guérin immunotherapy for high-grade transitional cell carcinoma of the bladder. A FDG PET/CT was performed, which demonstrated osteolysis and intense FDG avidity of the T6/T7 and T8/T9 vertebral endplates. In addition, an aneurysm with FDG-avid soft tissue was present of the distal left common iliac artery. The provisional diagnosis was disseminated bacillus Calmette-Guérin infection, resulting in spondylodiscitis and a mycotic aneurysm. A CT-guided vertebral biopsy confirmed the presence of Mycobacterium tuberculosis DNA on polymerase chain reaction testing.
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