125mL @ 2.5 mL/sec; OR 100 mL @ 2.5 mL/sec, Contrast parameters with 30 mL saline flush. No contrast for trauma evaluation 1) Tumors: hard palate to sternal notch Region of scan 2) Cord paralysis: sella to carina 3) Trauma: hyoid to sternal notch Scan delay 40 sec Detector collimation 16 x 0.75 mm, 64 x 0.6 mm, 128 x 0.6 mm 3.0 mm axials, with additional 1.5 mm axials through Slice thickness true vocal cords. 1.0 mm thick coronal reformats. Filming B31s kernel; add B70f for trauma cases Comments: Siemens NeckThinSlice package. CPGH-using Care dose and Care KV Radiologist to select level of thin slices through true vocal cords. Optional breathing instructions: Straw-blowing: adducts vocal cords cord paralysis ‘Eee’ phonation: assesses Quiet breathing: abducts vocal cords N 10: Pre- and post-contrast sella CT Indications: pituitary pathology and contraindication to MRI scan. 1) None Contrast parameters 2) 100 mL at 2.5 mL/sec Region of scan Foramen magnum to vertex, angled to avoid orbits. 1) NA Scan delay 2) 60 sec
Contrast parameters 125mL @ 2.5 mL/sec; OR 100 mL @ 2.5 mL/sec, with 30 mL saline flush. No contrast for trauma evaluation Region of scan 1) Tumors: hard palate to sternal notch 2) Cord paralysis: sella to carina 3) Trauma: hyoid to sternal notch Scan delay 40 sec Detector collimation 16 x 0.75 mm, 64 x 0.6 mm, 128 x 0.6 mm Slice thickness 3.0 mm axials, with additional 1.5 mm axials through true vocal cords. 1.0 mm thick coronal reformats. Filming B31s kernel; add B70f for trauma cases Comments: Siemens NeckThinSlice package. CPGH-using Care dose and Care KV Radiologist to select level of thin slices through true vocal cords. Optional breathing instructions: Straw-blowing: adducts vocal cords ‘Eee’ phonation: assesses cord paralysis Quiet breathing: abducts vocal cords N 10: Pre- and post-contrast sella CT Indications: pituitary pathology and contraindication to MRI scan. Contrast parameters 1) None 2) 100 mL at 2.5 mL/sec Region of scan Foramen magnum to vertex, angled to avoid orbits. Scan delay 1) NA 2) 60 sec
Protocols-Neuro-CT-4-2017.docx