18F-mFBG PET Imaging in the Evaluation of Neuroblastoma

Inclusion Criteria: 1. Age 0-18 years old, with legal guardian; 2. Clinically suspected or confirmed patients with neuroblastoma; 3. If the patient is under 8 years old or unable to write, his/her guardian should understand and comply with the requirements of the study. If the patient is 8 years old or older and has written ability, both the patient and his/her guardian must sign the informed consent. Exclusion Criteria: 1. Patients with severe primary diseases such as heart, brain, liver, kidney and hematopoietic system diseases; 2. Patients who have received ionizing radiation outside the scope of this experiment for other clinical medical or scientific research purposes within the past year, resulting in an annual radiation exposure dose exceeding 50 mSv. 3. Patients who have received experimental drugs or devices (with uncertain efficacy or safety) within one month; 4. Patients with any condition that the principal investigator of this study deems may cause harm or potential harm in any aspect related to this trial.