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Unilateral essential hematuria

M D Lano, R D Wagoner, F J Leary

    Mayo Clinic Proceedings
    |February 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    Unexplained unilateral hematuria, or bleeding in urine from one kidney, is likely a benign condition. Extensive workups beyond initial tests are often unnecessary, as the cause is rarely found and most patients recover well.

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    Area of Science:

    • Urology
    • Nephrology

    Background:

    • Gross hematuria is a common urological complaint.
    • Unilateral essential hematuria presents a diagnostic challenge.
    • Identifying benign causes is crucial for appropriate patient management.

    Purpose of the Study:

    • To evaluate the diagnostic workup and long-term outcomes of patients with essential unilateral hematuria.
    • To determine if extensive investigations are warranted for this condition.

    Main Methods:

    • Retrospective review of 54 patients diagnosed with essential unilateral hematuria between 1961 and 1975.
    • Inclusion criteria: gross hematuria, normal excretory urogram, cystoscopic evidence of unilateral bleeding, no infection, no bleeding diathesis, analgesic abuse, surgery, or trauma.
    • Follow-up inquiry of 52 patients.

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    Main Results:

    • No cause for unilateral essential hematuria was identified in any patient, even with ancillary studies like renal arteriography and biopsy.
    • Most patients (52/54) experienced intermittent or persistent hematuria but remained well.
    • No patient required surgical intervention for the condition.

    Conclusions:

    • The study suggests that extensive workup beyond excretory urography and cystoscopy is not beneficial for essential unilateral hematuria.
    • Repeated examinations are deemed unnecessary and unrewarding.
    • Essential unilateral hematuria is likely a benign condition with a favorable prognosis.