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  2. Nephrostomy - Wikipedia

    en.wikipedia.org/wiki/Nephrostomy

    (B) The pigtail catheter is placed in the dilated calyx. The tube in (A) and the pigtail in (B) are marked with white arrows. [1] A nephrostomy or percutaneous nephrostomy is an artificial opening created between the kidney and the skin which allows for the urinary diversion directly from the upper part of the urinary system (renal pelvis). [2]

  3. Urinary system - Wikipedia

    en.wikipedia.org/wiki/Urinary_system

    The insertion of a drainage tube into the renal pelvis, bypassing the ureters and urinary tract, called nephrostomy, was first described in 1941. Such an approach differed greatly from the open surgical approaches within the urinary system employed during the preceding two millennia. [10]

  4. Ureterostomy - Wikipedia

    en.wikipedia.org/wiki/Ureterostomy

    Percutaneous nephrostomy: A nephrostomy is created when the flow of urine is diverted directly from the kidneys to the abdominal wall. Tubes are placed within the kidney to collect the urine as it is generated, and transport it to the abdominal wall. This procedure is usually temporary; however, it may be permanent for cancer patients.

  5. Renal ultrasonography - Wikipedia

    en.wikipedia.org/wiki/Renal_ultrasonography

    (B) The pigtail catheter is placed in the dilated calyx. The tube in (A) and the pigtail in (B) are marked with white arrows. [1] Sonography is the modality of choice for guidance when performing intervention in the kidney, whether it is kidney biopsy, percutaneous nephrostomy or abscess drainage. Historically, thermal ablation of renal tumors ...

  6. Ureter - Wikipedia

    en.wikipedia.org/wiki/Ureter

    The insertion of a drainage tube into the renal pelvis, bypassing the ureters and urinary tract, called nephrostomy, was first described in 1941. Such an approach differed greatly from the open surgical approaches within the urinary system employed during the preceding two millennia. [30]

  7. Kidney stone disease - Wikipedia

    en.wikipedia.org/wiki/Kidney_stone_disease

    Nephrolithiasis refers to the presence of such stones in the kidneys. Calyceal calculi are aggregations in either the minor or major calyx, parts of the kidney that pass urine into the ureter (the tube connecting the kidneys to the urinary bladder). The condition is called ureterolithiasis when a calculus is located in the ureter.

  8. Renal column - Wikipedia

    en.wikipedia.org/wiki/Renal_column

    Each column consists of lines of blood vessels and urinary tubes and a fibrous material. A hypertrophied renal column (or renal pseudotumor) may be differentiated from an actual renal tumor with the help of a DMSA scan. The scan will show the area as one with normal activity if it is a pseudotumor or will show decreased uptake if it is a cystic ...

  9. Pyelogram - Wikipedia

    en.wikipedia.org/wiki/Pyelogram

    It is done in cases where excretory or retrograde pyelography has failed or contraindicated, or when a nephrostomy tube is in place or delineation of upper tract is desired. It is commonly used to diagnose upper tract obstruction, hydronephrosis, and ureteropelvic junction obstruction.