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Health Dictionary

Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.

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Wilms' tumor CT

Introduction

Overview

Overview

Abdominal CT scan may be helpful in the diagnosis of Wilms tumor.Findings on CT scan which can be suggestive of Wilms tumor include soft-tissue density masses, areas of calcification (~10%) and fat-density regions. CT is better than ultrasonography in detecting small lesions of tumor. CT scan of the chest can be helpful to diagnose lung metastasis.

CT scan

CT scan

  • Abdominal CT scan may be helpful in the diagnosis of Wilms tumor. Findings on CT scan suggestive of Wilms tumor include:[1][2][3]
    • Heterogeneous soft-tissue density masses
    • These masses have frequent areas of calcification (~10%) and fat-density regions
    • Lymph node metastasis
    • Invasion of surrounding organs
    • Thrombus in or occlusion of the renal vein and/or the inferior vena cava
    • Abdominal lymph nodes and contralateral involvement
    • Estimate tumor size and volume and to plan surgical management
    • Determine stage based on tumor size and structures involved
CT abdomen showing Wilms tumor Source:Radiopedia Case courtesy of Dr Jeremy Jones,[4]
Wilms tumor – coronal view source: radiopedia[5] Case courtesy of Dr Jeremy Jones
Wilms tumor – axial view source: Radiopedia – Case courtesy of Dr G Balachandran.[6]
References

References

  1. ↑ Cahan LD (1985). “Failure of encephalo-duro-arterio-synangiosis procedure in moyamoya disease”. Pediatr Neurosci. 12 (1): 58–62. PMID 4080660.
  2. ↑ Wilms tumour. Dr Tim Luijkx and Dr Frank Gaillard et al. Radiopaedia.org 2015.http://radiopaedia.org/articles/wilms-tumour
  3. ↑ Gow KW, Roberts IF, Jamieson DH, Bray H, Magee JF, Murphy JJ (May 2000). “Local staging of Wilms’ tumor–computerized tomography correlation with histological findings”. J. Pediatr. Surg. 35 (5): 677–9. doi:10.1053/jpsu.2000.5941. PMID 10813321.
  4. ↑ https://radiopaedia.org/cases/8084
  5. ↑ Case courtesy of Dr Jeremy Jones, <a href=”https://radiopaedia.org/“>Radiopaedia.org</a>. From the case <a href=”https://radiopaedia.org/cases/8084“>rID: 8084</a>
  6. ↑ Case courtesy of Dr G Balachandran, <a href=”https://radiopaedia.org/“>Radiopaedia.org</a>. From the case <a href=”https://radiopaedia.org/cases/10250“>rID: 10250</a>

Editor-In-Chief:
C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: Sargun Singh Walia M.B.B.S.[2]