Urine three-cup test

This test is used to roughly determine the source of male urinary hematuria and assist in the identification of urinary tract bleeding. The method is to let the patient in the continuous urination, in the front, middle and back three sections, the urine is left in three cups respectively, and then microscopic examination, according to the blood of a cup to determine the bleeding site. Basic Information Specialist classification: urinary examination classification: urine / kidney function test Applicable gender: whether the male is fasting: not fasting Tips: Try to use fresh morning urine when doing this check. The urine that is randomly selected is preferably mid-stage urine. Menstrual women are not suitable for this examination. Normal value According to the relationship between hematuria or pyuria and urination, it is analyzed to find out which part of the urinary tract. Anterior hematuria or pyuria suggest lesions in the anterior urethra; terminal hematuria or pyuria suggest lesions in the bladder neck and triangle or posterior urethra; whole hematuria or pyuria lesions in the upper urinary tract or bladder. Clinical significance According to the relationship between hematuria or pyuria and urination, it is analyzed to find out which part of the urinary tract. Anterior hematuria or pyuria suggest lesions in the anterior urethra; terminal hematuria or pyuria suggest lesions in the bladder neck and triangle or posterior urethra; whole hematuria or pyuria lesions in the upper urinary tract or bladder. 1, hematuria: such as three cups of urine showed uniform blood color, microscopic examination has a large number of red blood cells, more common in kidney tuberculosis, kidney stones, nephritis, etc.; only anterior hematuria, found in urethral injury, tumor, prostatitis and meat mites; There are posterior (third cup) hematuria, seen in acute cystitis, bladder stones or tumors, prostate lesions and so on. 2, pyuria: such as three cups of urine are turbid, a large number of pus cells under the microscope, more common in ureteritis, pyelonephritis, renal abscess, renal empyema, kidney tumor with infection, genitourinary adjacent organs or tissue abscess Urinary tract perforation; pyuria only seen in the first cup, seen in acute, chronic anterior urethritis; only terminal pyuria, such as prostatitis, seminal vesiculitis, posterior urethritis. Precautions Note during inspection: Fresh morning urine should be used as much as possible during this examination. The urine that is randomly selected is preferably mid-stage urine. Please don't panic when there is hematuria, follow the doctor's instructions to complete the three cups of urine test. Inspection process Inspection method: urine test. Inspection steps: After cleaning the vulva and urethral opening, leave the first 10 to 20 ml of urine in the first cup, 30 to 40 ml of urine in the middle, and 5 to 10 ml in the third cup. in. Send to the designated inspection window of the hospital. Not suitable for the crowd no. Adverse reactions and risks no.

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