Assertion: kidney stone | /r/Causes | obstruction
Facets:
value: at the ureteropelvic junction
type: LOCATION
Source sentences:
text: However in most cases, patients only report to the emergency room once the kidney stone enters the ureter or causes an obstruction at the ureteropelvic junction (area where the ureter meets the kidney).
text: Once the stone falls into the bladder, it once again may go unnoticed unless it is large and/or causes an obstruction.
text: Solitary kidney stones in patients with a solitary kidney, a kidney stone causing obstruction may lead to kidney failure and emergent referral to a urologist may be required to remove the stone or place a stent to bypass it.
text: Abdominal pain can occur if the kidney stone is large enough to cause injury and obstruction, thus also causing an intractable secondary bacterial infection.