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  2. Kidney stone disease - Wikipedia

    en.wikipedia.org/wiki/Kidney_stone_disease

    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]

  3. Renal calyx - Wikipedia

    en.wikipedia.org/wiki/Renal_calyx

    The renal calyces (sg. calyx) are conduits in the kidney through which urine passes. The minor calyces form a cup-shaped drain around the apex of the renal pyramids.Urine formed in the kidney passes through a renal papilla at the apex into the minor calyx; four or five minor calyces converge to form a major calyx through which urine passes into the renal pelvis (which in turn drains urine out ...

  4. Renal ultrasonography - Wikipedia

    en.wikipedia.org/wiki/Renal_ultrasonography

    Even though US has a lower sensitivity and specificity than CT for the detection of kidney stones (urolithiasis), US, if available, is recommended as the initial imaging modality in patients with renal colic and suspected urolithiasis. US has no risk of radiation, is reproducible and inexpensive, and the outcome is not significantly different ...

  5. Renal cortex - Wikipedia

    en.wikipedia.org/wiki/Renal_cortex

    The renal cortex is the outer portion of the kidney between the renal capsule and the renal medulla. [1] In the adult, it forms a continuous smooth outer zone with a number of projections ( cortical columns ) that extend down between the pyramids .

  6. Kidney - Wikipedia

    en.wikipedia.org/wiki/Kidney

    Kidney stones (nephrolithiasis) are a relatively common and particularly painful disorder. A chronic condition can result in scars to the kidneys. The removal of kidney stones involves ultrasound treatment to break up the stones into smaller pieces, which are then passed through the urinary tract. One common symptom of kidney stones is a sharp ...

  7. Renal pelvis - Wikipedia

    en.wikipedia.org/wiki/Renal_pelvis

    The renal pelvis is the location of several kinds of kidney cancer and is affected by infection in pyelonephritis. [citation needed] A large "staghorn" kidney stone may block all or part of the renal pelvis. The size of the renal pelvis plays a major role in the grading of hydronephrosis.

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