Dilatation of the renal pelvis is best described as

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Multiple Choice

Dilatation of the renal pelvis is best described as

Explanation:
Pelviectasis is the dilation of the renal pelvis, the funnel-shaped collecting area where urine pools before it enters the ureter. On ultrasound, if you see enlargement limited to the pelvis with the calyces not dilated, that finding is pelviectasis. If the calyces are also dilated, the condition is hydronephrosis, which describes dilation of the entire collecting system. Parapelvic cysts and peripelvic cysts can mimic dilation around the pelvis, but they are cystic structures around or within the renal sinus and do not represent true dilation of the collecting system itself. Renal colic refers to pain from kidney stones, not a structural dilation finding.

Pelviectasis is the dilation of the renal pelvis, the funnel-shaped collecting area where urine pools before it enters the ureter. On ultrasound, if you see enlargement limited to the pelvis with the calyces not dilated, that finding is pelviectasis. If the calyces are also dilated, the condition is hydronephrosis, which describes dilation of the entire collecting system. Parapelvic cysts and peripelvic cysts can mimic dilation around the pelvis, but they are cystic structures around or within the renal sinus and do not represent true dilation of the collecting system itself. Renal colic refers to pain from kidney stones, not a structural dilation finding.

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