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  2. Renal colic - Wikipedia

    en.wikipedia.org/wiki/Renal_colic

    Patients can also be treated with alpha blockers [7] in cases where the stone is located in the ureter. A 2019 review found three cases of renal colic were hydronephrosis caused by malpositioned menstrual cups pressing on a ureter. When the cups were removed, the symptoms disappeared. [8]

  3. Kidney stone disease - Wikipedia

    en.wikipedia.org/wiki/Kidney_stone_disease

    Rates increase from 48% for stones located in the proximal ureter to 79% for stones located at the vesicoureteric junction, regardless of stone size. [85] Assuming no high-grade obstruction or associated infection is found in the urinary tract, and symptoms are relatively mild, various nonsurgical measures can be used to encourage the passage ...

  4. Bladder stone - Wikipedia

    en.wikipedia.org/wiki/Bladder_stone

    The use of these tubes may lead to an infection, which irritates the bladder, resulting in stone formation. Finally, a kidney stone may travel down the ureter into the bladder and become a bladder stone. There is some evidence indicating that chronic irritation of the bladder by retained stones may increase the chance of bladder cancer.

  5. Hydronephrosis - Wikipedia

    en.wikipedia.org/wiki/Hydronephrosis

    A 2019 review found three cases of hydronephrosis with renal colic were caused by malpositioned menstrual cups pressing on a ureter. When the cups were removed, the symptoms disappeared. [6] The obstruction may be either partial or complete, and can occur anywhere from the urethral meatus to the renal calyces.

  6. Renal pelvis - Wikipedia

    en.wikipedia.org/wiki/Renal_pelvis

    [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. Normally, the anteroposterior diameter of the renal pelvis is less than 4 mm in fetuses up to 32 weeks of gestational age and 7 mm afterwards. [2]

  7. Calculus (medicine) - Wikipedia

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

    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 / ).

  8. Urinary tract obstruction - Wikipedia

    en.wikipedia.org/wiki/Urinary_tract_obstruction

    Urinary tract obstruction is a urologic disease consisting of a decrease in the free passage of urine through one or both ureters and/or the urethra. It is a cause of urinary retention. Complete obstruction of the urinary tract requires prompt treatment for renal preservation. [1]

  9. Renal ultrasonography - Wikipedia

    en.wikipedia.org/wiki/Renal_ultrasonography

    Renal stone located at the pyeloureteric junction with accompanying hydronephrosis. [ 1 ] With US, larger stones (>5–7 mm) within the kidney, i.e., in the calyces, the pelvis and the pyeloureteric junction, can be differentiated, especially in the cases with accompanying hydronephrosis (Figure 18 and Figure 19).