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Related Experiment Videos

The hypernephroma halo.

H P Jander, C A Centola

    AJR. American Journal of Roentgenology
    |July 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    The "hypernephroma halo," a thin radiolucent stripe, is a unique angiographic finding in most renal adenocarcinomas (hypernephromas). This distinct sign helps differentiate hypernephromas from other renal tumors.

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    Area of Science:

    • Radiology
    • Oncology
    • Nephrology

    Background:

    • Renal adenocarcinomas, also known as hypernephromas, typically possess a dense, fibrous capsule.
    • This capsule is a distinguishing histological feature, rarely observed in other renal neoplasms.

    Observation:

    • A thin radiolucent stripe, termed the "hypernephroma halo," was identified surrounding hypernephromas in 30 renal angiograms.
    • This finding was present in a study of 70 patients with pathologically confirmed hypernephromas.

    Findings:

    • The "hypernephroma halo" was observed in 30 of 70 hypernephroma cases.
    • Only one normal kidney and 137 other renal tumors/pseudotumors lacked this specific angiographic sign.

    Implications:

    • The "hypernephroma halo" serves as a valuable diagnostic marker for renal adenocarcinoma on angiography.

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  • Occasional identification on excretory urograms suggests potential for non-invasive diagnosis.
  • This sign aids in differentiating hypernephromas from other renal masses, improving diagnostic accuracy.