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Kidney stone disease, also known as renal calculus disease, nephrolithiasis or urolithiasis, is a crystallopathy where a solid piece of material (renal calculus) develops in the urinary tract. [2] Renal calculi typically form in the kidney and leave the body in the urine stream. [2] A small calculus may pass without causing symptoms. [2]
A phlebolith is a small local, usually rounded, calcification within a vein. These are very common in the veins of the lower part of the pelvis , and they are generally of no clinical importance. When located in the pelvis they are sometimes difficult to differentiate from kidney stones in the ureters on X-ray .
The size of the stone surprisingly does not have as much to do with the symptoms as does the movement of the stone," Dr. S. Adam Ramin, MD, board-certified urologist, urologic surgeon and medical ...
Uremic pruritus is defined as itching that is directly caused by chronic kidney disease, with no other explainable conditions. [14] Uremic pruritus cannot be diagnosed with laboratory tests or established criteria because of its variability and lack of specific skin lesions.
Lloyd's sign indicates the presence of renal calculus or pyelonephritis when pain is elicited by deep percussion in the back between the 12th rib and the spine. [1] It is closely related to costovertebral angle tenderness, as the area of percussion is the same.
A calculus (pl.: calculi), often called a stone, is a concretion of material, usually mineral salts, that forms in an organ or duct of the body. Formation of calculi is known as lithiasis (/ ˌ l ɪ ˈ θ aɪ ə s ɪ s /). Stones can cause a number of medical conditions.
The glomerular basement membrane is a tissue in the kidney that filters the blood. An abnormal glomerular basement membrane may allow red blood cells into the urinary space. Because kidney stones are so common in people with LPHS, crystals in the kidney tubules may also play a part in bleeding and pain. [4] Other speculations on cause include [5]
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