Parasitology

Leishmaniasis and Hemophagocytosis in Bone Marrow Aspirate

Cytological findings of visceral leishmaniasis in a child's bone marrow aspirate: hemophagocytosis, Leishmania amastigotes within macrophages and extracellularly.

Macrophage as a “Communal Apartment”. Hemophagocytosis. Engulfed an eosinophil, erythrocyte, and Leishmania! (Image 1).

🔬 Cytology of a child’s bone marrow aspirate.

❓ Question to subscribers: what are the decolorized cells filled with parasites in images 3 and 4?

👉 Images and description kindly provided by Clinical Laboratory Diagnostics Doctor, Pathologist, member of the FLM Hematology Committee Elena Belyakova, Department of Molecular Morphology, E.E. Eichwald Clinic, I.I. Mechnikov Northwestern State Medical University, St. Petersburg.