Megakaryocytes and platelet have surface antigen markers of 

A 45 year old man has bone pain, fatigue, and easy bruising His CBC WBC 85 Neutrophils 10 RBC 4.0 Lymphocytes 8 Hgb 8.0 Blasts 82 Hct 25.0 Auer Rods seen MCV 92 MCH 32 MCHC 33 RDW 13 PLT 20 Bone marrow ME ratio 18:1 Cytochemical Stains  Myeloperoxidase – positive Sudan Black – positive Alpha napthyl butyrate esterase – negative Period Acid Schiff PAS – negative What is his diagnosis?

Acute megakaryoblastic Leukemia is charaterized as _________ in the FAB classification

In which age group does ALL occur with the highest frequency?    

Which of these clinical conditions has a B -Cell origin?

The JAK2(V617F) mutation may be positive in all of the following chronic myeloproliferative disorders except:  

Which of the following cell surface markers is associated with a more aggressive subtype of CLL/SLL?  

In comparison to malignant lymphocytes, reactive lymphcytes:

Which of the following is most closely associated with chronic myelomonocytic leukemia?

A 60 year old man visiting his physician as regular check-up.  The doctor palpated his neck and found the lymph node was slightly enlarged. The doctor orders a CBC. The result as follows: WBC – 30.0 Neutrophils 20 Lymphoctes small med sizec RBC 4.2 Lymphocytes 68 with dense chromatin Hgb – 13.0  Monocytes 8 Mod. smudge cells seen HCT 41.0 Eosinophils 2 RBC normochromic/normocytic MCV 82.5 Basophils 0 MCH 31.2 Blast 2% MCHC 33.0 RDW 14.0 PLT 175 Flow Cytometry:   CD19, CD20, CD23, CD5, sIg. Based on the data provided, what conditionis most likely?