Costovertebral angle tenderness in young female; which organ MOST likely causing pain?

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Multiple Choice

Costovertebral angle tenderness in young female; which organ MOST likely causing pain?

Explanation:
Costovertebral angle tenderness points to kidney involvement because the kidneys lie right at that angle behind the lower ribs. When the renal capsule is inflamed or the kidney is obstructed, tapping or palpating the area around the CVA provokes pain. The other organs listed—liver and gallbladder—are located in the upper right quadrant and cause pain there, not at the back near the 12th rib, while the pancreas tends to produce epigastric or back pain that isn’t specifically tied to the costovertebral angle. Therefore, the kidney is the organ most likely causing the pain.

Costovertebral angle tenderness points to kidney involvement because the kidneys lie right at that angle behind the lower ribs. When the renal capsule is inflamed or the kidney is obstructed, tapping or palpating the area around the CVA provokes pain. The other organs listed—liver and gallbladder—are located in the upper right quadrant and cause pain there, not at the back near the 12th rib, while the pancreas tends to produce epigastric or back pain that isn’t specifically tied to the costovertebral angle. Therefore, the kidney is the organ most likely causing the pain.

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