(1) Myelophthisisinvasion of the bone marrow by tumor, fibrosis, granulomatous processes; smear shows teardrop RBCs; (2) myelofibrosissame pathophysiology as myelophthisis, but the fibrosis is a primary marrow disorder; (3) hemorrhage or hemolysis (rarely, in severe cases).
Section 6. Hematology and Oncology