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Netspot nuclear medicine 3 vials9/14/2023 ![]() ![]() The renal arteries divide into smaller and smaller branches, progressing into segmental, interlobar, arcuate, and interlobular arteries. The kidney's blood supply is derived from the renal arteries, originating laterally off the abdominal aorta. The renal pelvis is a funnel-shaped structure, which connects the renal calyces to the ureter(s) which descend to the bladder. The renal sinus consists of calyces, the renal pelvis, and the renal arteries and veins. The renal medulla contains the medullary portion of the collecting ducts which completes urine concentration begun at the glomeruli. The outer cortex contains the glomeruli, peritubular capillaries, renal tubules, and cortical portions of the collecting ducts that form urine. Renal parenchyma consists of the peripheral renal cortex and the more central renal medulla. The kidneys are located bilaterally at the upper lumbar vertebra with the left kidney typically slightly superior in location than the right kidney.Įach kidney can be divided into renal parenchyma and renal sinus. Current standard and preferred methods for the workup of various conditions. ![]() Development and availability of various radionuclides.Improvement in ultrasound, computed tomography (CT), and magnetic resonance (MR) imaging.The use of nuclear scintigraphy has evolved over the last decades. These studies are easy to perform and typically do not require sedation. The various injected radiotracers are extracted from the blood by the kidneys and emit radiation, particularly gamma radiation, that is detected by gamma cameras. The nuclear renal scan, also known as renal scintigraphy, is an imaging method that uses radiopharmaceuticals/radiotracers to evaluate renal anatomy, physiology, and pathology. ![]()
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