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Thymus Lymph Node Mucosa-Associated Lymphoid Tissue Spleen Peripheral Blood/Red Blood Cells Peripheral Blood/Neutrophils Peripheral Blood/Lymphocytes Peripheral Blood/Monocytes Peripheral Blood/Eosinophils/Basophils Peripheral Blood/Platelets Bone Marrow/Erythroid Bone Marrow/Granulocytes and Precursors Bone Marrow/Monocytes and Precursors Bone Marrow/Megakaryocytes and Precursors Bone Marrow/Lymphoid/T-cells Bone Marrow/Lymphoid/NK Cells Bone Marrow/Granulocytes/Neutrophilic Bone Marrow/Granulocytes/Eosinophilic Bone Marrow/Granulocytes/Basophilic Bone Marrow/Lymphoid/B-cells Bone Marrow/Lymphoid/Plasma Cells
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Bone Marrow: Erythroid (RBCs and Precursors)

Normal ► Erythroid (RBC) Maturation Diagram
Normal Pronormoblast*
Normal Basophilic Normoblast*
Normal Polychromatophilic Normoblast*
Normal Orthochromic Normoblast*
Normal Polychromatophilic RBC*
Normal Normal mature RBC*
Abnormal Ring Sideroblast*
Abnormal Dysplastic Nucleated RBC*
Abnormal Megaloblastoid Nucleated RBC*
Abnormal Nucleated RBC with Parvovirus Infection*
Abnormal Erythroid Leukemia (AML M6)*
 

Bone Marrow: Granulocytes and Precursors

Normal ► Granulocytic Maturation Diagram
Normal Myeloblast*
Normal Promyelocyte*
Normal Myelocyte*
Normal Metamyelocyte*
Normal Band*
Normal Segmented Neutrophil*
Normal Eosinophil (Precursor)*
Normal Eosinophil (Mature)*
Normal Basophil (Mature)*
Abnormal Pseudo Pelger Huet Neutrophil*
Abnormal Hypogranular or Agranular Neutrophil*
Abnormal Myeloblast with Auer Rod*
Abnormal Promyelocyte with Auer Rods*
Abnormal Eosinophil (Increased)*
Abnormal Dysplastic Eosinophil*
Abnormal Basophils (increased)*
 

Bone Marrow: Neutrophilic

Normal Myeloblast*
Normal Promyelocyte*
Normal Myelocyte*
Normal Metamyelocyte*
Normal Band*
Normal Segmented Neutrophil*
Abnormal Pseudo Pelger Huet Neutrophil*
Abnormal Hypogranular or Agranular Neutrophil*
Abnormal Myeloblast with Auer Rod*
Abnormal Promyelocyte with Auer Rods*
 

Bone Marrow: Eosinophilic

Normal Eosinophilic Precursor*
Normal Eosinophil (Mature)*
Abnormal Eosinophil (Increased)*
Abnormal Dysplastic Eosinophil*
 

Bone Marrow: Basophilic

Normal Basophil (Mature)*
Abnormal Basophils (increased)*
 

Bone Marrow: Monocytes and Precursors

Normal ► Monocyte Maturation Diagram
Normal Monoblast*
Normal Promonocyte*
Normal Monocyte*
Abnormal Increased Mature Monocytes*
Abnormal Histoplasmosis in Histiocytes*
Abnormal Leishmania in Histiocytes*
Abnormal Mycobacteria in Histiocytes*
 

Bone Marrow: Megakaryocytes and Precursors

Normal ► Megakarocyte Maturation Diagram
Normal Megakaryocyte*
Normal Platelets*
Abnormal Micro-Megakaryocyte*
Abnormal Dyslobated (Abnormal Lobation) Megakaryocyte*
Abnormal Hypolobated Megakaryocytes (Increased)*
Abnormal Staghorn-shaped Megakaryocyte*
Abnormal Megakaryoblast (Increased)*
 

Bone Marrow: T-cells

Normal ► T-cell Maturation Diagram
Normal Immature T-cell precursor*
Normal Mature T-cells*
Abnormal T-Lymphoblasts (Increased)*
Abnormal Large Granular Lymphocyte (LGL)*
Abnormal Increased Mature T-cells*
 

Bone Marrow: B-cells

Normal ► B-cell Maturation Diagram
Normal Immature B-cell (Early Hematogone)*
Normal Immature B-cell (Later Hematogone)*
Normal Mature B-cells
Abnormal Increased B-Lymphoblasts
Abnormal Increased Mature appearing B-cells
 

Bone Marrow: Plasma Cells

Normal Plasma Cell*
Abnormal Plasma Cell Myeloma (AKA Multiple Myeloma)*
Abnormal Plasmablast (Immature plasma cell)*
 

Bone Marrow: NK Cells

Normal NK Cell*
 

Thymus

Normal ► T-cell Maturation in Thymus (Diagram)
Abnormal T-cell Lymphoblastic Leukemia/Lymphoma (T-ALL)*
 

Lymph Node

Normal ► Normal Lymph Node Diagram
Normal ► B-cell Maturation in Lymph Node Diagram
Normal Normal Lymph Node*
Non-neoplastic Lymphadenitis (Non-neoplastic)*
Neoplastic: Hodgkin Lymphoma Classical Hodgkin Lymphoma*
Neoplastic: Non-Hodgkin Lymphoma Follicular Lymphoma*
Neoplastic: Non-Hodgkin Lymphoma Small Lymphocytic Lymphoma*
Neoplastic: Non-Hodgkin Lymphoma Diffuse Large B-cell Lymphoma*
Neoplastic: Non-Hodgkin Lymphoma Mantle Cell Lymphoma*
Neoplastic: Non-Hodgkin Lymphoma Burkitt Lymphoma*
Neoplastic: Non-Hodgkin Lymphoma T-cell Lymphoma: ALK+ Anaplastic Large Cell Lymphoma*
 

Mucosa-Associated Lymphoid Tissue (MALT)

Normal GI Tract (Non-Gastric, e.g. Small Bowel): Mucosa Associated Lymphoid Tissue (MALT)*
Abnormal MALT Lymphoma (e.g. Gastric)*
 

Spleen

Normal Normal Spleen*
Normal ► B-cell Maturation in Spleen Diagram
Abnormal Hairy Cell Leukemia*
Abnormal Splenic Marginal Zone Lymphoma*
 

Peripheral Blood: Red Blood Cells

Normal ► Erythrocyte (RBC) Maturation Diagram
Normal Normal mature RBC*
Normal Polychromatophilic RBC*
Abnormal ► Diagram of Abnormal Red blood Cell Morphologies in blood
Abnormal Microcytic RBC: MCV <80*
Abnormal Macrocytic RBC: MCV >100*
Abnormal Spur cell RBC (Acanthocyte)*
Abnormal Burr cell RBC (Echinocyte)*
Abnormal Schistocyte: Fragmented RBC*
Abnormal Bite Cell RBC*
Abnormal Elliptocyte (Ovalocyte)*
Abnormal Spherocyte*
Abnormal Stomatocyte*
Abnormal Target Cell RBC*
Abnormal Sickle Cell*
Abnormal Teardrop Cell*
Abnormal Hemoglobin C Crystals*
Abnormal Red Cell Agglutinate*
Abnormal Rouleaux*
Abnormal ► Diagram of Red blood Cell Inclusions
Abnormal Howell Jolly Bodies*
Abnormal Heinz Bodies*
Abnormal Pappenheimer Bodies*
Abnormal Hemoglobin H Inclusion*
Abnormal Basophilic Stippling*
Abnormal ► Diagram of Infections involving the peripheral blood
Abnormal Infectious-Malaria*
Abnormal Infectious-Babesia*
Abnormal Infectious-Trypanosoma*
Abnormal Infectious-Microfilaria*
Abnormal Bacterial contamination in peripheral blood smear*
Abnormal Infectious-Borrelia*
Abnormal Infectious-Fungus (Candida)*
 

Peripheral Blood: Neutrophils

Normal ► Granulocytic Maturation Diagram
Normal Band Neutrophil*
Normal Segmented Neutrophil*
Abnormal Myeloblast*
Abnormal Promyelocyte*
Abnormal Myelocyte*
Abnormal Metamyelocyte*
Abnormal May Hegglin Anomaly*
Abnormal Hypersegmented Neutrophil*
Abnormal Neutrophil with toxic granules*
Abnormal Pseudo Pelger Huet Neutrophil*
Abnormal Hypogranular or Agranular Neutrophil*
Abnormal Chediak Higashi Neutrophils*
 

Peripheral Blood: Eosinophils and Basophils
Normal Eosinophil (Mature)*
Abnormal Eosinophil (Increased)*
Abnormal Dysplastic Eosinophil*
Normal Basophil (Mature)*
Abnormal Basophils (increased)*
 

Peripheral Blood: Monocytes

Normal ► Monocyte Maturation Diagram
Normal Monocyte*
Abnormal Monoblast*
Abnormal Promonocyte*
Abnormal Increased Mature Monocytes*
 

Peripheral Blood: Lymphocytes

Normal B-cell Maturation ► B-cell Maturation Diagram
Normal T-cell Maturation ► T-cell Maturation Diagram
Normal B-cell Maturation ► B-cell Maturation in Lymph Node Diagram
Normal T-cell Maturation ► T-cell Maturation in Thymus Diagram
Normal Lymphocyte-Normal*
Abnormal Lymphocyte-Abnormal*
Abnormal Reactive Lymphocyte*
Abnormal Large Granular Lymphocyte (LGL)*
Abnormal Chronic Lymphocytic Leukemia (CLL)*
Abnormal Lymphoblasts (e.g. Acute Lymphoblastic Leukemia: ALL)*
Abnormal Hairy Cell Leukemia*
Abnormal Sezary Cell*
 

Peripheral Blood: Platelets

Normal Platelets*
Abnormal Platelet Satellitosis*
Abnormal Giant Platelets*
Abnormal Agranular Platelets*
 


Test your knowledge: Peripheral Blood Smear
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individual educational purpose and should not be used for any other purpose.
© 2012 Please read the Disclaimers Section for more information.

Content Editors/Website Administrators:
Hooman H. Rashidi, MD; John C. Nguyen, MD