Extramedullary hematopoiesis

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[edit] Discussion

  • EMH occurs most often in the spleen and liver and occasionally in the lymph nodes.
  • Less common organs include the pleura, lungs, gastrointestinal tract, breast, skin, brain, kidneys, and adrenal glands.

[edit] Imaging Findings

  • Enlargement of the involved organ (i.e. hepatomegaly, splenomegaly).
  • Thoracic EMS: Unilateral or bilateral, smooth, sharply delineated, often lobulated paraspinal masses without erosion of the vertebral bodies or ribs.

[edit] Images

Patient #1: Extramedullary hematopoiesis in a thalassemia patient

[edit] See Also

[edit] External Links

Goldminer: Extramedullary hematopoiesis

[edit] References