"Drill."
With the faint sound of drilling, a thin needle punctured and entered the anterior horn of the lateral ventricle.
"Inject the contrast agent."
The positive contrast agent was slowly injected, followed by anteroposterior and lateral X-rays of the skull.
In an instant, an incredibly clear map of the brain's internal structures appeared on the monitor screen.
The third ventricle, interventricular foramen, cerebral aqueduct, pineal recess...
These anatomical landmarks, normally hidden deep within, were now as clear as landmarks on a map.
Next came the most critical step, and the one that most tested the patient's cooperation—target localization.
"Prepare for target localization."
At Luo Xiangnan's command, the surrounding physicians quickly nodded and went to their respective stations.
