The Efficacy of Gallium[68Ga]NOTA-DNA Multivalent SGC8 Injection for Bladder Tumour Imaging

On the examination bed, the patient was placed in the lying truncated position, the perineum was disinfected with a towel, and a double-lumen urinary catheter was inserted via the perineum.Inject 50ml saline to clean the bladder once, open the drainage bag to drain.1mci SGC8 was dissolved in 50ml physiological saline. The drainage bag was clamped shut and 50ml of developer was injected into the bladder through the catheter, followed by 10ml of gas or saline (all developer in the ureter was injected into the bladder. The catheter was closed for 1 hour, during which time the patient was placed in the flat position, left lateral position, right lateral position, and supine position changing positions every 15 minutes.After 1 hour, the drainage bag was opened, the bladder was emptied with radioactive fluid, and the urine bag was replaced.