1、中山大学附属第三医院 张勇Urinary system泌尿系统临床医学八年制核医学教学课件 Kidney ureter bladder urethra Gross anatomy of kidney1 Filtration of glomeruli of kidney Produce crude urine NO blood cells and macromolecular protein2 Reabsorption and secretory action of kidney tubules Urine production process Principle: After intraven
2、ous inject imaging agent which could be filtration by glomeruli and secrete from renal tubular epithelial cell， time-acttivity curve of both kidney were automatically acquired by equipment Radioactive nephrogram Normal nephrogram： a, b and c segmenta segment， reflect blood flow of kidneyb segment， r
3、eflect renal function and renal blood flowc segment， reflect urinary flow and obstruction of urinary tractNormal nephrogram：Abnormal nephrograma Persistence ascend acute upper urinary tract obstructionb High level extended pattern nephrohydrosis acompanyed impaired renal functionc Parabola pattern u
4、pper urinary tract drainage is not smooth, acompanyed nephrohydrosisd Low level extended pattern serious impaired renal functione Low level decrement nonfunctionf Echelon descend ureteral spasmg Unilateral small kidney URAC and congenital hypoplasia of kidneyAbnormal nephrogram and clinical signific
5、ances Reflect biood flow of kidney Reflect renal function Reflect upper urinary tract drainage Nephro-dynamic imaging PrincipleAfter intravenous inject imaging agent ， renal information were acquired by dynamic collection using SPECT. We can dynamic observed the abdominal aorta, renal aorta, cortex renis, renal pelvis, kidney calices, ureter and bladder, and acquired quantitative index, including renal dynamic functional image, radioactive nephrogram , GFR and ERPF, et al.
