Clinical Presentation

A 70-year-old man with a history of anterior cerebral artery aneurysm has a new onset of seizures. The patient is unresponsive.

Fig. 136.1

• A 20 mCi dose of ^99mTc-DTPA is administered as a rapid intravenous bolus.

• Use a high-resolution collimator.

• Patient position: anterior with top of skull just below the top of the field of view.