Desmoid tumor other imaging findings

Desmoid tumor Microchapters
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Case #1

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Sara Mohsin, M.D.[2]Faizan Sheraz, M.D. [3]

Overview

Other imaging studies for the diagnosis of desmoid tumor include ultrasonography, which demonstrates tumor size and location. On ultrasonography, desmoid tumors appear as well-defined lesions with variable echogenicity. with ill defined/irregular borders. On color Doppler, desmoids appear like muscles, may be lobulated and may show vascularity.

Other Imaging Findings

Ultrasonography

• Ultrasound is a helpful diagnostic study particularly for desmoids involving the chest or abdominal wall
• On ultrasound, desmoid tumors typically appear as:
  • Oval in shape
  • Homogeneously anechoic or hypoechoic masses (variable echogenicity)
  • Well or poorly defined solid soft tissue masses/lesions
  • Lateral borders may appear ill defined or irregular
  • No central necrosis or calcifications
  • Should not be confused with cystic lesions

Color Doppler

• Findings on color Doppler are as follows:
  • Appear like muscles
  • May be lobulated
  • May show vascularity

Plain radiograph

• Radiographs may show:
  • A soft-tissue mass
  • Localised periosteal thickening
  • Direct bony destruction/invasion

Angiography

• Angiography may show:
  • Arterial stretching
  • Neovascularity
  • Tumor staining