Renal Imaging

Contraindications

Iodine contrast study performed recently

Pregnant/Breastfeeding

Recent NM studies performed

Dehydration

Equipment

LFOV

LEAP or LEHR collimator

Single or dual head gamma camera

Patient Prep

IV must be in place

Patient MUST be hydrated

c1

NPO not needed

c1

Void prior to study

Scans

Functional Renal Scan

Radiopharmaceutical

MAG3

c1

Dose: 10-20mCi

c1

DTPA

c1

Dose:10-20mCi

c1

Procedure

Bolus Injection Image immediately

c1

Blood flow & filtration

c1

Dynamic Aquistion "Function"

c1

(Optional)Post Void

c1

Processing

c1

Normal Study

c1

Abnormal Study

c1

Indications

Renal Transplant

c1

Acute Renal Failure

Urinary Reflux & Scarring

Renal Function

c1

Hydronephrosis

c1

Renal Artery Stenosis

Contraindications

Patient on ACE inhibitor

Patient on diuretic

Diuretic Renal Scan

Contraindications

Patient on diuretic

Indications

Function

c1

UTI

Radiopharmaceutical

MAGS3

c1

10 mCi

DTPA

c1

Procedure

Bolus Injection Image Immediately

c1

Blood flow & filtration

c1

Dynamic acquisition "Function"

c1

Inject Furosemide

c1

Dynamic acquisition #2

c1

(Optiona) Post void

c1

Processing

c1

Normal

Abnormal

Non-Radiopharmaceutical

Furosemide

c1

Renal Scan With ACE Inhibitor

c1

Indications

Renal Hypertension & no RAS

c1

RAS wit Hypertension

c1

Contraindications

Patient currently on ACE inhibitor

c1

Dehydration

Radiopharmaceutical

MAG3

c1

10 mCi

Non-Radiophamecutical

Captopril

25-50 mg

c1

Enalaprilat

40ug/kg

c1

Procedure

ACE inhibitor Administration

c1

Injection of RadiopharmaceuticalImage Immediately

c2

Functional renal scan procedure

Processing

c1

Normal

c1

Abnormal

c1

Morphological Scan

c1

Indications

Detect Pyelonephritis

c1

Differentiate between mass and normal variant

c1

presence or absence of renal infarctions

Contraindications: None

Procedure

Inject radiopharmaceutical

c1

Wait 2 hours to image

Images

c1

Processing

Normal

c1

Abnormal

c1

Radiopharmaceutical

Tc99m DMSA

c1

5 mCi

Tc99m GH

c1

15-20 mCi

Peds Dose: 50 uCi/kg

Cystogram

c1

Indications

Evaluate and detect VUR

c1

Contraindications

Significant renal dysfunction

Radiopharmaceutical

Tc99m Sulfur Colloid

TC99m DTPA

c1

1 mCI

Procedure

c1

Preparation

c1

Flow

c1

Pre-Void Phase

c1

Void Phase

c1

Post-Void Phase

c1

Processing

Normal

c1

Abnormal

c1

F.O.V.

c1

View & Position

Posterior

c1

Supine