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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. Ureteral stent - Wikipedia

    en.wikipedia.org/wiki/Ureteral_stent

    There is a kidney stone in the pyelum of the lower pole of the kidney (higher red arrow) and one in the ureter beside the stent (lower red arrow). Ureteral stents are used to ensure the openness of a ureter, which may be compromised, for example, by a kidney stone or a procedure. This method is sometimes used as a temporary measure, to prevent ...

  4. 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 ...

  5. Ureter - Wikipedia

    en.wikipedia.org/wiki/Ureter

    A giant ureteral stone with dimensions of approximately 6 × 5 × 4 cm and weighing 61 grams extracted from the left ureter of a 19-year-old male. A kidney stone can move from the kidney and become lodged inside the ureter, which can block the flow of urine, as well as cause a sharp cramp in the back, side, or lower abdomen. [9]

  6. Percutaneous nephrolithotomy - Wikipedia

    en.wikipedia.org/wiki/Percutaneous_nephrolithotomy

    Percutaneous nephrolithotomy (PCNL) is a minimally-invasive procedure to remove stones from the kidney by a small puncture wound (up to about 1 cm) through the skin. It is most suitable to remove stones of more than 2 cm in size and which are present near the pelvic region. It is usually done under general anesthesia or spinal anesthesia.

  7. Calculus (medicine) - Wikipedia

    en.wikipedia.org/wiki/Calculus_(medicine)

    Human gallstones, all removed from one patient. Grid scale 1 mm. Calculi in the inner ear are called otoliths; Calculi in the urinary system are called urinary calculi and include kidney stones (also called renal calculi or nephroliths) and bladder stones (also called vesical calculi or cystoliths).

  8. Ureteroscopy - Wikipedia

    en.wikipedia.org/wiki/Ureteroscopy

    The endoscope can contain an instrument port which allows for introduction of laser fibres to fragment stones, and micro-baskets to retrieve stone fragments. [3] Kidney stones up to 2 cm in size can be treated by pyeloscopy. [3]

  9. Excretory system - Wikipedia

    en.wikipedia.org/wiki/Excretory_system

    Scientifically, masses referred to as a renal calculus or nephrolith, or more commonly, "kidney stones", are solid masses of crystals that may be a variety of shapes, sizes, and textures, that can reside within one or both of the kidneys. [8]

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