🔬❗Staining of bone marrow aspirate — with benzidine manufactured in 1974. We decided to check if it would still work… And imagine, it works!
The diagnosis for a 35-year-old man is acute myelomonocytic leukemia (verified by flow cytometry - MPO+).
👉The images were kindly provided by Elena Alexandrovna Belyakova, a clinical laboratory diagnostics physician and pathologist from St. Petersburg, Department of Clinical Molecular Morphology, E.E. Eichwald Clinic (Center for Differential Diagnosis of Lymphomas), I.I. Mechnikov Northwestern State Medical University.
