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129 Possible Causes for Calyceal Dilation

  • Urinary Tract Infection

    calyces and renal pelvis may be apparent.[] VUR is graded from 1 to 5, with 1 being minor reflux into the ureter, and 5 being ureteral dilation and dilation of the renal pelvis and renal calyces.[] The ultrasound may show focal, segmental, hypoechoic renal lesions in Candida pyelonephritis, and when hydronephrosis is present, separation of the central renal echoes or dilated[]

  • Congenital Bilateral Megacalycosis

    dilatation without pelvic or ureteral obstruction.[] […] an occasionally outnumbered, uniform dilatation of calyces (polycalycosis).[] Magnetic resonance urography revealed calyceal dilatation, increased number of calyces, and normal ureters and bladder. Figure 1.[]

  • Congenital Hydronephrosis

    dilatation persistent hydronephrosis: 10 mm in the 3 rd trimester Ancillary sonographic features: dilatation of the renal calyces dilated ureter if the obstruction is distal[] dilatation Normal calyces Slight dilatation Moderate dilatation Severe dilatation Atrophic cortex 1 cm 1-1.5 cm 1.5 cm 1.5 cm 1.5 cm Grade 1 Pyelectasis 8 mm No caliectasis[] Grade III - pelvic and calyceal dilatation with normal thickness of the renal parenchyma Grade IV - pelvic and calyceal dilatation associated with parenchymal thinning What[]

  • Renal Tuberculosis

    Global enlargement of the affected kidney occurred when calyceal dilatation surpassed parenchymal retraction.[] Earliest findings include minimal calyceal dilatation with the loss of calyceal sharpness.[] The CT scan showed signs of chronic nephropathy, dilated calyces and thinning of renal cortex in both kidneys and severe dilation of ureter.[]

  • Vesicoureteral Reflux

    Ultrasound findings were considered suggestive of VUR if “dilatation of the pelvi-calyces”, “dilatation of the ureters”, or “dilatation of the collecting system” of one or[] […] and calyces with minimal blunting of the fornices Grade IV – dilation of the renal pelvis and calyces with moderate ureteral tortuosity Grade V – gross dilatation of the[] II Reflux reaches the renal pelvis, but the calyces are not dilated. III The ureter and renal pelvis are dilated, with minimal or no blunting of calyces.[]

  • Renal Pelvic Calculus

    This patient had IVU twice and US twice, but the only positive finding was a dilated pelvis on IVU; the fact that the calyces were not dilated on both US and IVU, and ureters[] Hydrocalix refers to irregular calyceal dilatation caused by infundibular obstruction, either acquired or congenital.[] Obstructive disorder of the urinary system that causes dilatation of the renal pelvis and calyces with urine.[]

  • Chronic Pyelonephritis

    […] description Irregular scarred cortical surface usually at poles, dilated and blunted calyces Dilated ureter; retraction and destruction of papillae with "U” shaped scars[] […] clubbing : secondary to retraction of the papilla from overlying scar thickening and dilatation of the calyceal system overall renal asymmetry The long-term complications[] Irregular pyelocaliceal system (blunt or dilated calyces) Histologic changes are nonspecific: infiltrates of lymphocytes, fibrosis and atrophic tubules with hyaline casts.[]

  • Hydrocalycosis

    Caliectasis ( hydrocalycosis ) is a medical condition that occurs when the calyces, within the renal pelvis, become dilated.( 1 , 2 ) Calyces are found within the kidney and[] The basics are: Megacalycosis findings: is an uncommon, congenital renal abnormality, characterized by nonobstructive dilatation of the renal calyces with normal renal pelvis[] dilation, and there is a round filling defect in bladder Treatment – transurethral incision Urinary tract obstruction 8 Classification of megaureter Refluxing Obstructed[]

  • Bilateral Multicystic Dysplastic Kidney

    calyces.[] […] nuclear medicine scan ULTRASOUND OF THE ATYPICAL FORM Difficult to distinguish from hydronephrosis as the renal pelvis communicates with peripheral cysts which resemble dilated[] Two main types have been described 2 : pelvi-infundibular most common multiple small non-communicating renal cysts representing the dilated calyces atresia of the ureter and[]

  • Hydronephrosis

    […] renal pelvis and calyces blunting of fornices and flattening of papillae mild cortical thinning may be seen grade 4 (severe) gross dilatation of the renal pelvis and calyces[] Moderate renal pelvis dilation (between 10 and 15 mm in fetuses), including a few calyces Grade 3 (moderate) – Renal pelvis dilation with all calyces uniformly dilated.[] When contrast is used, the renal pelvis and calyces will appear dilated and radiopaque.[]

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