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Related Experiment Videos

Segmental nephrogram.

N V Raghavaiah

    The Journal of Urology
    |February 1, 1978
    PubMed
    Summary
    This summary is machine-generated.

    A segmental nephrogram, previously undescribed, occurred in a patient with acute renal colic. This finding was caused by a kidney stone obstructing one limb of a bifid renal pelvis.

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    Area of Science:

    • Nephrology
    • Urology
    • Radiology

    Background:

    • Obstructive nephrograms are typically observed in the entire kidney due to ureteral obstruction.
    • Segmental nephrograms, affecting only half the kidney, have not been previously documented in medical literature.

    Observation:

    • A patient presented with symptoms of acute left renal colic.
    • Diagnostic imaging, specifically an excretory urogram, revealed a segmental nephrogram affecting the left kidney.

    Findings:

    • The segmental nephrogram was attributed to acute calculous obstruction in one of the two limbs of a bifid renal pelvis.
    • Surgical intervention involved a left pelviotomy for stone removal.

    Implications:

    • This case introduces the concept of a segmental nephrogram as a potential diagnostic finding in urological imaging.
  • It highlights the importance of considering anatomical variations, such as a bifid renal pelvis, in the diagnosis of renal colic and obstruction.
  • Further research may explore the incidence and specific causes of segmental nephrograms.