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Intrarenal arterial aneurysms.

P L Longstreth, M Korobkin

    CRC Critical Reviews in Clinical Radiology and Nuclear Medicine
    |January 1, 1976
    PubMed
    Summary
    This summary is machine-generated.

    Intraparenchymal renal aneurysms, including congenital and acquired types, are increasingly recognized. Radiologists must understand their diverse causes and potential complications like hemorrhage and renovascular hypertension.

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    Area of Science:

    • Radiology
    • Vascular Medicine
    • Nephrology

    Background:

    • Intraparenchymal renal aneurysms are reported with increasing frequency.
    • A comprehensive review in radiologic literature is lacking.
    • These aneurysms present a spectrum including congenital, secondary to main renal artery disease, associated with renal masses, microaneurysms, and pseudoaneurysms.

    Purpose of the Study:

    • To review the spectrum of intraparenchymal renal aneurysms.
    • To discuss various etiologies and their radiographic appearances.
    • To explore potential complications and associations.

    Main Methods:

    • Review of radiologic literature on intraparenchymal renal aneurysms.
    • Analysis of imaging findings associated with different etiologies.

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  • Discussion of clinical implications based on reported cases.
  • Main Results:

    • Diverse etiologies can mimic aneurysmal dilatation within the kidney.
    • Conditions like atherosclerosis, endocarditis, and trauma can lead to similar radiographic findings.
    • Renal microaneurysms have multiple etiologies, not just polyarteritis.

    Conclusions:

    • Many intraparenchymal renal aneurysms may be indistinguishable based solely on angiographic appearance.
    • Hemorrhage is a potential complication.
    • The role of these lesions in renovascular hypertension requires consideration.