2025年1月22日 · Extrarenal pelvis refers to the presence of the renal pelvis outside the confines of the renal hilum; it is a normal anatomic variant.

The diagnosis of PUJ obstruction wasn't easy on US due to the narrow connections between the calyces and extra renal pelvis and so para pelvic cyst compressing the ureter and cause hydronephrosis was the original diagnosis.

2024年11月12日 · Ureteropelvic junction (UPJ) obstruction or pelviureteric junction (PUJ) obstruction partially obstructs the passage of urine from the renal pelvis to the ureter. It is the most frequent cause of hydronephrosis in the foetus and can also present in adulthood.

2024年12月10日 · At one end of the spectrum, there is merely a duplication of the renal pelvis, draining via a single ureter. At the other extreme, two separate collecting systems drain independently into the bladder or ectopically (see below) 9 .

2025年1月8日 · Both CT and MRI demonstrate renal tissue of normal imaging appearance, but with abnormal configuration. Enhancement is normal, and excretory phase imaging may be used to assess the collecting system. Treatment and prognosis. Horseshoe kidneys in themselves do not require any treatment, and patients have a normal life expectancy.

2024年11月1日 · A nuclear medicine diuretic renogram may be performed to assess for obstruction of urine and differentiate from other causes such as an extra-renal pelvis or parapelvic cysts. The radiologist may also play a part in procedures to treat the harmful effects of uncorrected hydronephrosis on renal function, such as placement of a percutaneous ...

2024年1月1日 · Pelvic kidneys, sometimes known as a sacral kidney, are kidneys that are fixed in the bony pelvis or across the spine and are an anatomic variant 1.

IVU findings are compatible with a horseshoe kidney and dilatation of the right kidney pelvic region in spite of having a normal shape calyceal system. There were two differential diagnoses for this IVU image, Right kidney UPJ obstruction and right kidney extra-renal pelvic.

Case of ureteric kink and right sided extrarenal pelvis with no calculus. These are the causes of dilatation of the pelvi-calyceal system which has been misinterpreted on the ultrasound as a dilatation due to calculus disease.

2024年6月9日 · moderate dilatation of the 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, which appear ballooned. loss of borders between the renal pelvis and calyces. renal atrophy seen as cortical thinning