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Related Experiment Videos

Wilms tumor: ultrasonic features, pathologic correlation, and diagnostic pitfalls.

M H Jaffe, S J White, T M Silver

    Radiology
    |July 1, 1981
    PubMed
    Summary

    Gray-scale ultrasound reveals key features of Wilms tumor, including large size and sharp borders. Pathologic comparison highlights echogenic heterogeneity, hemorrhage, and necrosis as common findings in this pediatric kidney cancer.

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    Area of Science:

    • Pediatric Radiology
    • Oncologic Imaging
    • Diagnostic Ultrasound

    Background:

    • Wilms tumor is the most common pediatric renal malignancy.
    • Accurate pre-operative diagnosis is crucial for appropriate management.
    • Gray-scale ultrasound is a primary imaging modality for pediatric abdominal masses.

    Observation:

    • Consistent gray-scale ultrasonic features of Wilms tumor include large size, sharp margination, and echogenic heterogeneity.
    • Anechoic areas on ultrasound frequently correlate with internal hemorrhage and necrosis within the tumor.
    • A rare case of mesoblastic nephroma was included for comparative analysis.

    Findings:

    • The study correlates specific gray-scale ultrasound findings with pathological data in Wilms tumor.

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  • Echogenic heterogeneity and sharp margination are highly suggestive features.
  • Hemorrhage and necrosis are common, manifesting as anechoic regions.

    • Implications:

    • Understanding these ultrasonic features aids in differentiating Wilms tumor from other renal masses.
    • Improved diagnostic accuracy can lead to timely and appropriate treatment strategies.
    • Awareness of potential diagnostic pitfalls is essential for radiologists.