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Excessive proliferation of peripelvic fat of the kidney

R S Hurwitz, J A Benjamin, J F Cooper

    Urology
    |May 1, 1978
    PubMed

    Insights

    Excessive peripelvic fat proliferation (EPPF) is benign but can mimic renal masses. This case highlights EPPF

    Area of Science:

    • Nephrology
    • Radiology
    • Pathology

    Background:

    • Excessive peripelvic fat proliferation (EPPF) is a benign renal condition.
    • EPPF can cause pyelocalyceal deformities, potentially mimicking renal masses.
    • Rarely, EPPF may present as a renal pelvic tumor.

    Observation:

    • This report details the second case of EPPF simulating a renal pelvic tumor.
    • The case underscores the importance of recognizing EPPF's potential to mimic malignancy.
    • Radiographic and sonographic features characteristic of EPPF are reviewed.

    Findings:

    • EPPF, though benign, can lead to significant clinical misinterpretations.
    • Imaging findings can be mistaken for true renal masses or tumors.
    • Accurate diagnosis relies on understanding the specific radiographic and sonographic presentations of EPPF.

    Implications:

    • Distinguishing EPPF from renal tumors is crucial for appropriate patient management.
    • Awareness of EPPF's imaging characteristics can prevent unnecessary invasive procedures.
    • This case contributes to the literature on rare presentations of benign renal conditions.

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