PathWays Case Study: October 31

A​ 76-year-old gentleman presented with severe fatigue and night sweats. CBC showed macrocytic anemia (hemoglobin: 6.9 g/dL; MCV: 103 fL) and thrombocytopenia (platelet: 75 x 109/L). Differential peripheral blood counts were as noted here (Neutrophils: 34; Lymphocytes: 24; Monocytes: 10; Eosinophils: 3; Basophils: 1; Metamyelocytes: 1; Myelocytes: 2; Blasts: 25), and the bone marrow differentials were as noted (Segs and bands: 5; Myelocytes: 2; Blasts: 81; Normoblasts: 5; Monocytes: 1; Lymphocytes: 6).

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Hong Fang, M.B.

Hong Fang, M.B.
Resident, Anatomic/Clinical Pathology
Mayo Clinic



Matthew (Matt) Howard, M.D.
Consultant, Division of Hematopathology
Assistant Professor of Laboratory Medicine and Pathology,
Mayo Clinic College of Medicine



April Josselyn

April Josselyn is a Marketing Associate at Mayo Medical Laboratories. She is the editor of Mayo Clinic PathWays and supports corporate communications strategies and internal communications. She has worked at Mayo Clinic since 2012. Outside of work, April enjoys the outdoors and being "hockey mom" for her two sports-crazed boys.


A great learning experience!

This is great but your guess is better than mine!

Is very good …..Thank you

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