
Bone Marrow Lymphocytosis with Normal Blood Counts
A clinical case of atypical lymphocytes in the bone marrow of a patient with weight loss and normal peripheral blood counts. Learn more.
Blood and bone marrow morphology, clinical cases and diagnostic algorithms. Most of the library is in Russian; the English section is growing.
Most of our material is written in Russian — that is the working language of the community. A few pieces exist in English; the rest of the library is one click away and the photographs need no translation.

A clinical case of atypical lymphocytes in the bone marrow of a patient with weight loss and normal peripheral blood counts. Learn more.

Cytological features of a lymph node imprint smear in a 26-year-old male with ALK-positive anaplastic large cell lymphoma: morphology and IHC profile.

A clinical case of acute myelomonocytic leukemia: blast morphology in a blood smear, cytochemical analysis, and analyzer report.

Severe cytoplasmic vacuolization of neutrophils in a blood smear from a surgical patient: morphology in severe bacterial infection.

Morphological features of megakaryocytes in bone marrow aspirate: assessing megakaryocytopoiesis and visualizing platelet budding in the smear.

Bone marrow findings in suspected multiple myeloma: 15% plasmocytes, cytoplasmic clasmatosis, binucleated cells, and active megakaryocytes.

What is emperipolesis in hematology? Morphological features of an intact neutrophil penetrating the cytoplasm of a megakaryocyte in the bone marrow.

Morphological features of bone marrow macrophages and stromal cells during aspirate microscopy: cytoplasmic vacuolization and phagocytosis.

Morphology and causes of macrothrombocytes and giant platelets in blood smears: differential diagnosis in pancytosis and thrombocytopathies.

A clinical case of polycythemia vera (erythremia): complete blood count parameters with plethora and bone marrow smear morphology during therapy.

Blood picture in B-cell marginal zone lymphoma: absolute lymphocytosis, cytopenias, and morphological features of atypical lymphocytes in the smear.

Morphological signs of emperipolesis and dysplasia in megakaryocytes during cytological examination of bone marrow. Romanowsky-Giemsa stain, x1000.