What is "nephroptosis"

n. An abnormal condition in which the kidney drops down into the pelvis when the patient stand up.

n. prolapse of the kidney [syn: nephroptosia]

Nephroptosis (also called floating kidney or renal ptosis) is an abnormal condition in which the kidney drops down into the pelvis when the patient stands up. It is more common in women than in men. It has been one of the most controversial conditions among doctors in both its diagnosis and its treatments.