I agree with Dr. @Darren Tabechian, one rarely needs DECT scanning to establish a gout-related diagnosis, though, under unusual circumstances, it may be very helpful. DECT scanning is a highly sensitive technology in identifying tophaceous deposits and quantifying their extent and volume. First...

The quick answer to your question is very rarely - primarily because bedside ultrasound is usually fruitful. There are important caveats to consider with DECT for crystalline arthritis. The radiology service (including the technician who performs the reconstruction) needs experience with the device...

Singh et al., PMID 33410491.