Question
A 13-year-old boy who had his appendix removed a year ago has been experiencing frequent low back pain recently. He inquires about possible causes and treatment methods.
Answer
The boy may need to first check if he has a history of low back injuries. If there is no injury, it should be observed if there are any abnormalities in his urine, such as pain or hematuria, and further ultrasound examination may be required to check for kidney and ureteral stones. In addition, it is important to protect the lower back and maintain a reasonable diet to reduce the chance of recurrence.