Kidney instability: Signs of symptoms, causes

Describe

Have the patient lie on his back, one hand over his hip, and the other at the tilt angle to the same side. Using the lower hand to 'lift' the kidney, if the upper hand can feel the kidney, we say a positive kidney bobbin test.

Causes

Often

Polycystic kidney disease.

Less common

Renal cell carcinoma.

Wilm's tumor.

Amyloidosis.

Lymphoma.

Urethra obstruction - water retention of the kidneys.

Figure. Kidney bobbing

Mechanism

An enlarged kidney, whatever the cause, (e.g., a tumor/amyloid infiltration) or an abnormally growing aberrant cystic expansion, tends to move closer to the anterior abdominal wall and Therefore, you can feel in the palm of your hand when using the other palm to exert a force to push from below.

Meaning

There is no evidence of the validity of this solution. In practice, this perception is often ambiguous, so it is advisable to combine other diagnostic methods. However, negative renal bobbin does not mean the exclusion of renal disease.