Which of the following would be an unexpected finding in primary myelofibrosis?
a. 80% Blasts in the peripheral blood
b. Micromegakaryocytes in the peripheral blood
c. Autoantibodies
d. Extramedullary hematopoiesis
ANS: A
Eighty percent blasts in the peripheral blood is acute leukemia, not primary myelofibrosis. All the other findings can be present in primary myelofibrosis.
You might also like to view...
Pseudoepitheliomatous hyperplasia is a microscopic phenomenon that mimics squamous cell carcinoma microscopically and is frequently associated with which of the following?
a. Peripheral giant cell granuloma b. Peripheral fibroma c. Congenital epulis of the newborn d. Pyogenic granuloma e. Granular cell tumor
Clot-based mixing studies and Bethesda titers are used to test for:
a. Vitamin K deficiency b. Inhibitors (antibodies) against coagulation factors c. DIC d. Hemophilia