Nuclear medicine, technetium 99m renogram (DTPA) is the primary investigation for perfusion defects post-transplantation. It is accurate (up to 99% sensitivity), but time consuming, expensive and has the innate risks of an examination using ionising radiation. Contrast enhanced ultrasound (CEUS) is an emerging technology which may solve these issues, giving greater resolution and temporal infor...

UNLABELLED We investigated the value of supranormal function and renogram patterns on (99m)Tc-mercaptoacetyltriglycine ((99m)Tc-MAG3) scintigraphy in relation to the extent of hydronephrosis for predicting ureteropelvic junction (UPJ) obstruction in the newborn. METHODS We studied 48 patients with prenatally diagnosed unilateral hydronephrosis that was confirmed on postnatal ultrasonography. ...

introduction: hydronephrosis is one of the major causes of referring infants for nuclear medicine investigation. renal dynamic study is the most reliable investigation for such children. however direct evaluation of renogram leads to generation of parameters that have no physiological interpretation. the configuration of renogram is very much dependent upon the rate at which radiopharmaceutical...

This report is the conclusion of the international consensus committee on renal transit time (subcommittee of the International Scientific Committee of Radionuclides in Nephrourology) and provides recommendations on measurement, normal values, and analysis of clinical utility. Transit time is the time that a tracer remains within the kidney or within a part of the kidney (eg, parenchymal transi...

introduction: renal dynamic study is a well-established and popular test in routine practice of nuclear medicine. the test is non-invasive, rapid and unique in evaluation of the kidney function. in despite of its clinical values, the parameters derived from renogram are physiologically meaningless. that is due to the fact that renogram is not the true kidney function. from mathematical points o...

OBJECTIVE To analyze association between urodynamic study (UDS) parameters and renal function in spinal cord injured (SCI) patients with neurogenic detrusor overactivity. METHODS Patients with a suprasacral SCI, who underwent UDS and radioisotope renogram at least twice between January 1, 2006 and January 31, 2013, were included. UDS (cystometric capacity, reflex volume, compliance, and maxim...

Fifty-nine patients with ureteric obstruction were divided into 2 groups, determined by the severity of the insult received by the affected kidney. In each renogram the slope of the second phase of the curve of the affected kidney was expressed as a percentage of that of the normal kidney, and termed the 'function index'. The transit time for the affected kidney was expressed as a multiple of t...