Optimal Scintigraphic Evaluation of a Hydronephrotic Horseshoe Kidney

Journal of Nuclear Medicine Technology

M. Elizabeth Oates¹  Mark L. Lessne¹  James F. Stinchon¹  Nirav P. Shah¹  Mary E. Cross¹ 

[1] Nuclear Medicine Section, Department of Radiology, Boston University Medical Center, Boston, Massachusetts Nuclear Medicine Section, Department of Radiology, Boston University Medical Center, Boston, Massachusetts Nuclear Medicine Section, Department of Radiology, Boston University Medical Center, Boston, Massachusetts

关键词: diuretic renal scintigraphy;    horseshoe kidney;    gravity-assisted urinary drainage;    equivocal urinary tract obstruction;   

DOI  :  10.2967/jnmt.106.034462

学科分类：医学（综合）

来源: Society of Nuclear Medicine

【 摘 要 】

A 25-y-old man with horseshoe kidney was referred for diuretic-augmented renal scintigraphy. Single-detector dynamic posterior imaging was performed and revealed asymmetric retention of radiotracer in the left collecting system. Renal scintigraphy was repeated with a modified protocol. Dynamic imaging was performed this time using dual-detector acquisition of both anterior and posterior data. Thereafter, pregravity and subsequently postgravity static images were obtained in both anterior and posterior projections. This second study showed near-complete emptying of the left collecting system. This case illustrates the utility of using simultaneous anterior and posterior imaging and geometric mean calculations for functional analysis and also highlights the value of physiologic maneuvers to augment the traditional diuretic challenge.

【 授权许可】

Unknown