INDICATIONS: Pre-surgical. Referring physician MUST specify BrainLAB protocol.
PATIENT PREP: No prep
IV CONTRAST: None
ORAL CONTRAST: None
POSITIONING: Head First Supine. Position Glabelloalveolar Line horizontal/parallel to z-axis. No tilt or rotation.
Use standard head holder or table-top foam head holder. ENSURE THAT HEAD HOLDER OR SUPPORTS ARE NOT IN THE FIELD OF VIEW.
If necessary, place towels or cushions to stabilize patient’s head, BUT MAKE SURE THAT NOTHING IS PUSHING AGAINST THE PATIENT’S EARS AND THEY ARE IN NORMAL POSITION, AND NOTHING IS TOUCHING THE PATIENT’S HEAD IN THE FIELD OF VIEW.
SCAN RANGE:Include all sinus cavities and all superficial facial anatomy, include tip of nose.
FIELD OF VIEW: Smallest FOV to encompass the region of interest; just beyond patient’s anatomy. Include ears, face, forehead, eyes and the complete nose (TIP OF NOSE MUST NOT BE CUT OFF). Ensure that the tip of the nose is included in the scan and that it is the anterior point on the scan. ENSURE THAT HEAD HOLDER OR SUPPORTS ARE NOT IN THE FIELD OF VIEW.