Osteoid osteoma is a benign bone tumor, commonly found in adolescents. The disease causes severe pain, especially at night, affecting the daily life and general development of the patient.

Cerebral venous system diseases such as venous cerebral infarction, venous sinus thrombosis, cerebral venous sinus stenosis, etc. can threaten the patient's life. Digital subtraction angiography (DSA) and intervention for cerebral venous system diseases are effective, minimally invasive treatments that help patients recover their health quickly.

Continuous nosebleeds over a long period of time will cause severe acute blood loss, which is difficult to respond to conventional hemostasis treatments. Interventional embolization of nosebleeds to stop bleeding is an effective treatment in this case.

Nasopharyngeal fibroma is a tumor that can destroy bones and even threaten the patient's life if not detected and treated promptly. Currently, digital subtraction angiography and embolization are effective, minimally invasive treatments for nasopharyngeal fibroma that are widely used.