Page 56 - Radiology Book

nuclear medicine
Exam/Body Part Captopril renogram
Indication
NPO
Additional instructions
Exam time
Renogram (DMSA)
Diagnosis of pyelonephritis; evaluation of renal masses; quanti cation of renal function
15 minutes initially; 30 minutes upon return after 3 later
Thyroid whole-body scan I131
Detection of thyroid metastases
2 hours prior to receiving capsule
Off thyroid hormones (T4) 4 weeks; (T3) at least 10 days. No IV contrast studies for 4 weeks
10 minutes initially to receive capsules; 60 minute scan 48 hours later
Thyroid whole-body scan I123
Detection of thyroid metastases
2 hours
10 minutes initially to receive capsules; scan 24 hours later
Thyroid therapy Parathyroid study
Treatment of thyroid CA, Grave’s disease
Department reviews instructions with patient
Diagnosis of renovascular hypertension
Discontinue ACE inhibitors 48 hours prior to exam; no diuretics 24 hours prior to exam
30 minutes initially; 90 minutes 1 hour later
Detection of parathyroid adenomas
30 minutes initially; 30 minutes 3 hours later
DMSA - Dimercaptosuccinic Acid - used with Tc-99m DMSA in scintigraphy for renal cortical lesions, I 131 - Iodine131,
I123 - Iodine123, ACE - Angiotensin-Converting Enzyme Inhibitor, T3 - Triiodothyronine, T4 - Thyroxine, MUGA - Multigated Acquisition Scan, VQ - Ventilation-Perfusion Scan, MIBG - Metaiodobenzylguanidine
Southfield16
Nuclear