Percutaneous gastrostomy under digital subtraction angiography guidance is a technique widely applied in clinical practice, especially for patients who cannot eat or drink by mouth or require general anesthesia.

Colon cancer is a fairly common disease in our country, often found in adult men. This is also the cause of colon stenosis. The disease needs to be detected early for surgical intervention.

When the duodenal descent is obstructed, surgery is required to create an anastomosis between the stomach and the jejunum. If there is postoperative gastrointestinal stenosis or other causes, it can be treated under digital subtraction angiography guidance.

Treatment of venous malformations - a type of vascular malformation - is often performed in many different ways. Direct sclerotherapy is a method that is widely applied today.

Transureteral stenting under digital subtraction angiography is usually performed after failed endoscopic retrograde ureteral stenting. Percutaneous nephrostomy drainage should be placed 2-7 days before percutaneous ureteral stenting.