In a case of acute pyelonephritis, what is the cause of flank pain?
A) Inflammation, causing ischemia in the tubules
B) Inflammation, stretching the renal capsule
C) Increasing glomerular permeability, creating an increased volume of filtrate in the kidney
D) Microbes irritating the tissues

Question

Quizplus · Accepted Answer

Flank pain in acute pyelonephritis is primarily due to inflammation and swelling that stretches the renal capsule, which is innervated and sensitive to pain.

In a Case of Acute Pyelonephritis, What Is the Cause