ADRENAL CT INITIAL EVALUATION C+
(last updated 09/15/2025, last reviewed 09/15/2025)
INDICATION: Adrenal mass, adrenal nodule, adrenal adenoma, pheochromocytoma, myelolipoma
SERIES
- 3mm Axial (noncon, portal, delayed)
- 3mm Coronal (noncon, portal, delayed)
- 3mm Sagittal (noncon, portal, delayed)
SINGLE COLLIMATION WIDTH: 0.625 mm
SLICE THICKNESS: 3 mm
KERNAL: std soft tissue
SFOV: large
COVERAGE: Precontrast – adrenals
Portal venous phase – diaphragm -> iliac crests (A) or pubic symphysis (AP)
Delayed phase – adrenals
ACQUISITION: craniocaudal
IV CONTRAST: yes
INJECTION RATE: 2 to 3 mL/sec
SCAN DELAY:
PV – 65 sec post injection
delayed 10 min post injection
IV CONTRAST DOSE: 75 to 100 mL
ORAL CONTRAST: water
POSTPROCESSING: 3 mm coronal, 3 mm sagittal for precontrast, portal venous, delayed phases
NOTES:
Give 1-2 cups of water just prior to scanning the patient in order to distend the stomach.