Triad of leukoerythroblastosis, tear drop erythrocytes and large platelets is seen in: (A) Essential thrombocytosis, (B) Primary myelofibrosis, (C) Myelodysplastic syndrome, (D) Langerhan cell histiocytosis
Answer is B. Ans. (b) Primary myelofibrosis(Ref: Robbins 9th/pg 620/630)The most characteristic peripheral blood finding in PMF is myelophthisis, defined by the presence of leukoerythro- blastosis (presence of nucleated red blood cells, metamyelocytes, myelocytes, myeloblasts, and megakaryocytes) and dacryocytosis (Tear drop RBCs)