99mTc-MAG-3 Renal Size, Shape and Position Assessment

 

 

 

 

 

 

 

 

 

 

 

            Male, 6 month old with dilation of both excretory systems. In the right hand side, see echo, with dilation in the left pelvocalyceal system (arrow). There is a slight hypotonia of left renal pelvis (anteroposterior diameter reaches 5.1 mm) and system, . The distal ureter in this side presents dilation as well, reaching a diameter of 1.24 cm anteroposterior.

            Patient was assessed by means of 99mTc-MAG-3 diuretic renogram. Note normal sized kidneys having excellent perfusion and uptake, symmetrically. There is dilation of pelvocalyceal systems and ureters in the two organs, up to the uretero-vesical insertion, with good functional response to frusemide. Likewise, note a suggestion of double system in the left side and vesicoureteric reflux to the inferior one, with retention up to the end of acquisition.

Reference:

Sfakianakis GN et al A renal protocol for all ages and all indications: mercapto-acetyl-triglycine (MAG3) with simultaneous injection of furosemide (MAG3-F0): a 17-year experience.Semin Nucl Med. 2009 May;39(3):156-73.

 

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