Thorotrast

• previously used contrast agent
• accumulated in RE system
  • liver
  • spleen
  • lymph nodes

• thorium emits alpha particles
• associated with:
  • hepatobiliary Ca
  • leukemia
  • aplastic anemia

• dense liver and spleen
• "bone within a bone"

© 2002, C.E. Kahn, Jr.
2002-04-18