Ultrasound renal stone differential diagnosis .
renal sinus ultrasound stone location in calyx (not in medulla,not in cortex) echogenic foci acoustic shadowing twinkle artifact on colour Doppler color comet tail artifact Staghorn calculi Ultrasound beam-stone angle Difference between kidney gravel & stone RENAL ECHOCONCRETION Vascular Reflectors (Normal or calcified renal vessels are the most notable and common causes of intrarenal bright echo reflectors) Segmental Arteries Arcuate Arteries Sinus Vessels renal vein thrombosis calcification Calcifications of the branches of the renal artery Nonvascular Reflectors: Prominent Papillae Reflectors Within the Renal Parenchyma Milk of Calcium Cysts Renal Cortical Calcification Junctional Parenchymal Line Angiomyolipomas Foreign Bodies Bright echoes within the Renal Parenchyma medullary nephrocalcinosis focal pyelonephritis. Echogenic tips of the renal pyramids apex Transient pyramidal echogenicity echogenic neonate renal pyramids (Tamm-Horsfall protein) fungal balls blood clots Renal calcification in infants with Furosemid therapy
