Atlas of Hematopathology

Morphology, Immunophenotype, Cytogenetics, and Molecular Approaches

Faramarz Naeim

• Publisher: Academic Press
• Year: 2012
• ISBN:
  9780123851840
• Topic: Biological Sciences
• Subtopic: Biology
• Index: Biological Sciences

As the definitive diagnostic atlas of the diseases of the hematopoietic system, the Atlas of Hematopathology appeals to a wide range of people who are being trained in a variety of medical fields or practicing as non-hematopathologists, and therefore, are looking for a book which can provide information in a clear, focused format, with no excessive text or details. The atlas offers effective guidance in evaluating specimens from the lymph nodes, bone marrow, spleen, and peripheral blood, enabling clinicians to deliver more accurate and actionable pathology reports. Practicing physicians and those in pathology and hematology training also gain a better understanding of the nature of hematologic disorders and improve their diagnostic skills along the way. Taking a unique multi-disciplinary approach, the book covers conventional histopathology and cytopathology, as well as all important complementary diagnostic tests, such as immunophenotyping (immunohistochemical stains and flow cytometry), karyotyping, FISH and DNA/molecular studies. It offers concise textual and extensive visual coverage of both neoplastic and non-neoplastic hematology disorders, with the neoplastic hematology sections presented according to the most recent WHO classifications. There is also an introduction to the normal structures of hematopoietic tissues and the various multidisciplinary techniques. The atlas contains more than 900 high-quality color images that mirror the findings that fellows and clinicians encounter in practice. It provides information in a quick, simple and user-friendly manner, attracting those who are in training or are not considered experts in the field. Residents, fellows, practicing clinicians, and researchers in pathology, hematology, hematology/oncology, as well as graduate students in pathology and other clinicians workings in clinical hematology laboratories will all find it useful.

• Saves clinicians and researchers time in quickly accessing the very latest details on the diverse clinical and scientific aspects of hematopathology, as opposed to searching through thousands of journal articles
• For clinicians, fellows, and residents, correct diagnosis (and therefore correct treatment) of diseases depends on a strong understanding of the molecular basis for the disease – hematologists, pathologists, oncologists, and other clinicians will benefit from this clear, focused, annotated format
• Companion web site features over 900 images from the book!

1

Structure and Function of Hematopoietic Tissues

Bone marrow is a mesenchymal-derived complex structure consisting of hematopoietic precursors and a complex microenvironment that facilitates the maintenance of hematopoietic stem cells (HSCs) and supports the differentiation and maturation of the progenitors (Figure 1.1). All differentiated hematopoietic cells including lymphocytes, erythrocytes, granulocytes, macrophages, and platelets are derived from HSCs (Figure 1.2).

Figure 1.1 Cytokines released from accessory cells (AC) (e.g., macrophages, T-cells) and stromal cells have a regulatory effect on stem cells. The extracellular matrix (ECM) and adhesion molecules (AM) support cell–cell, cell–matrix, and cell–cytokine interactions.

Figure 1.2 Current scheme of hematopoiesis demonstrating the differentiation of the multipotent stem cell to hematopoietic precursors and various levels of cytokine interaction.

The most primitive (pluripotent) HSCs express CD34 and are negative for CD38 and HLA-DR. These primitive cells, which include long-term repopulating stem cells, are also characterized by low-level expression of c-kit receptor (CD117) and absence of lineage specific maturation markers. There is a spectrum of heterogeneity in the bone marrow stem cell pool: a continuum of cells with decreasing capacity for self-renewal and increasing potential for differentiation. This trend is also associated with changes in immunophenotypic features. For example, the more mature committed stem cells, in addition to CD34, appear to express CD38 and/or HLA-DR. The pluripotent HSCs comprise about 1 per 20,000 of bone marrow cells, and only a small fraction of them are active, whereas the remaining majority are in a “resting” phase, on call for action when it is necessary. The HSCs reside in microenvironmental niches. These niches—which are composed of stromal cells, accessory cells (such as T lymphocytes and macrophages), components of extracellular matrix (Table 1.1), and various regulatory cytokines (Table 1.2) (Figure 1.1)—play an important role in the regulation of hematopoiesis and proliferation of the committed stem cells, leading to the production of huge numbers of progenitor cells and differentiated mature blood cells (Figure 1.2). Every day, an estimated 2.5 billion red cells, 2.5 billion platelets, and 1.0 billion granulocytes are produced per kilogram body weight in normal conditions.

Table 1.1 Major Components of Extracellular Matrix in Bone Marrow

Type	Comments
Collagen (reticulin)	Consisting of various subtypes. Erythroid and myeloid precursors adhere to collagen types I and VI
Fibronectin	Attaches to early erythroid precursors and other hematopoietic and stromal cells
Hemonectin	Myeloid precursors adhere to laminin. Regulates leukocyte chemotaxis.
Proteoglycans	Components containing heparin sulfate, chondritin sulfate, and hyaluronic acid. Interact with laminin and type IV collagen and play a role in cytokine presentation and cell differentiation
Thrombospondin	Interacts with collagen, fibronectin, and CD36

Table 1.2 Regulatory Cytokines

Cytokine	Primary Effect
GM-CSF^1	Granulocyte and macrophage colony formation, functional enhancement of mature forms
G-CSF^2	Granulocyte colony formation, functional enhancement of granulocytes
M-CSF (CSF-1)^3	Macrophage colony formation, functional enhancement of monocytes and macrophages
Erythropoietin (EPO)	Erythropoiesis, possible enhancement of megakaryocyte proliferation
Thrombopoietin (TPO)	Megakaryocyte proliferation, platelet production
Steel factor (c-kit ligand)	Stem cell and mast cell proliferation
Interleukin (IL)-1	Promoter of hematopoiesis, inducer of other factors, B- and T-cell regulator, endogenous pyogen
IL-2	T-cell growth factor, may inhibit G/M colony formation and erythropoiesis
IL-3 (Multi-CSF)	G/M colony formation, syngeneic effects on EPO, eosinophil, mast cell, and megakaryocyte colony formation
IL-4	B-cell proliferation, IgE production
IL-5	Eosinophil growth and B-cell differentiation
IL-6	B-cell differentiation, synergistic effects on IL-1
IL-7	Development of B and T cell precursors
IL-8	Granulocyte chemotactic factor
IL-9	Growth of mast cells and T cells
IL-10	Inhibitor of inflammatory and immune responses
IL-11	Synergistic effects on growth of stem cells and megakaryocytes
IL-12	Promoter of Th1 and suppressor of Th2 functions
IL-13	B-cell proliferation, IgE production
IL-14	High molecular weight B-cell growth factor
IL-15	Activates T cells, neutrophils and macrophages
IL-16	Chemotactic factor for helper T cells
IL-17	Promotes T cell proliferation, pro-inflammatory activities
IL-18	Activates T cells, neutrophils, and fibroblasts
IL-19	Member of IL-10 family; transcriptional activator of IL-10
IL-20	Member of IL-10 family with epidermal function
IL-21	Improves proliferation of T cells and B cells, and enhances natural killer (NK) cytotoxic activities
IL-22	Member of IL-10 family; induces inflammatory responses
IL-23	Activates autoimmune responses
IL-24	Member of IL-10 family; tumor suppressor molecule
IL-25	Capable of amplifying allergic inflammation
IL-26	Member of IL-10 family; plays a role in mucosal and cutaneous immunity
TGF^4-β	Suppresses BFU-E, CFU-S, and HPP-CFC
Interferons	Suppress BFU-E, CFU-GEMM, and CFU-GM
TNF^5-α and -β	Suppress BFU-E, CFU-GEMM, and CFU-GM
PGE^6-1 and -2	Suppress GFU-GM, GFU-G, and GFU-M
Lactoferrin	Suppresses release of IL-1

¹Granulocyte and macrophage colony-stimulating factor

²Granulocyte colony-stimulating factor

³Macrophage colony-stimulating factor

⁴Transforming growth factor

⁵Tumor necrosis factor

⁶Prostaglandin E

Bone marrow stromal cells are derived from pluripotent stromal stem cells. In other words, two separate and distinct pluripotent stem cells are simultaneously at work in bone marrow: hematopoietic and stromal. These two systems not only coexist but closely interact with each other. Stromal cells are composed of a heterogeneous cell population including adipocytes, fibroblast-like cells, endothelial cells, and osteoblasts. They produce a number of cytokines and a group of proteins that are involved in facilitating cell–cell interactions and presenting the cytokines and growth factors to the hematopoietic progenitor cells. Stromal cells with their extracellular matrix make a fibrovascular mesh environment to home and support the hematopoietic precursors. The thin-walled venous sinuses are the most prominent vascular spaces in the bone marrow. They consist of an inner layer of endothelial cells supported by an outer layer of fibroblast-like (parasinal, adventitial) stromal cells. They receive blood from the branches of the nutrient artery and periosteal capillary network. The nutrient artery penetrates the bony shaft, branches into the bone marrow cavity, and forms capillary...

Table of contents

• Cover image
• Title page
• Table of Contents
• Copyright
• Preface
• Acknowledgments
• 1. Structure and Function of Hematopoietic Tissues
• 2. Principles of Immunophenotyping
• 3. Principles of Cytogenetics
• 4. Principles of Molecular Techniques
• 5. Morphology of Abnormal Bone Marrow
• 6. Reactive Lymphadenopathies
• 7. Bone Marrow Aplasia
• 8. Myelodysplastic Syndromes/Neoplasms—Overview
• 9. Myelodysplastic Syndromes/Neoplasms—Classification
• 10. Myeloproliferative Neoplasms—Overview
• 11. Chronic Myelogenous Leukemia
• 12. Myeloproliferative Neoplasms Associated with JAK2 Mutation
• 13. Chronic Neutrophilic and Chronic Eosinophilic Leukemias
• 14. Mastocytosis
• 15. Myelodysplastic/Myeloproliferative Neoplasms
• 16. Hematologic Neoplasms Associated with Eosinophilia and PDGFRA, PDGFRB, or FGFR1 Rearrangement
• 17. Acute Myeloid Leukemia—Overview
• 18. Acute Myeloid Leukemias with Recurrent Genetic Abnormalities
• 19. Acute Myeloid Leukemia with Myelodysplasia-Related Changes
• 20. Therapy-Related Myeloid Neoplasms
• 21. Acute Myeloid Leukemia, Not Otherwise Specified
• 22. Myeloid Proliferations Related to Down Syndrome
• 23. Lymphoblastic Neoplasms—B-Lymphoblastic Leukemia/Lymphoma
• 24. Lymphoblastic Neoplasms—T-Lymphoblastic Leukemia/Lymphoma
• 25. Acute Leukemias of Ambiguous Lineage
• 26. Mature B-Cell Neoplasms—Overview
• 27. Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma
• 28. B-Cell Prolymphocytic Leukemia
• 29. Lymphoplasmacytic Lymphoma/Waldenström’s Macroglobulinemia
• 30. Hairy Cell Leukemia
• 31. Splenic Marginal Zone Lymphoma
• 32. Nodal Marginal Zone Lymphoma
• 33. Extranodal Marginal Zone Lymphoma of Mucosa-Associated Lymphoid Tissue (MALT Lymphoma)
• 34. Follicular Lymphoma
• 35. Mantle Cell Lymphoma
• 36. Diffuse Large B-Cell Lymphoma
• 37. Diffuse Large B-Cell Lymphoma Subtypes
• 38. Other Lymphomas of Large B Cells
• 39. Burkitt Lymphoma
• 40. Primary Cutaneous B-Cell Lymphomas
• 41. Plasma Cell Neoplasms
• 42. Mature T- and NK-Cell Neoplasms—Overview
• 43. Large Granular Lymphocytic Neoplasms and Related Disorders
• 44. T-Cell Prolymphocytic Leukemia
• 45. Adult T-Cell Leukemia/Lymphoma
• 46. Hepatosplenic T-Cell Lymphoma
• 47. Enteropathy-Associated T-Cell Lymphoma
• 48. Mycosis Fungoides and Sézary Syndrome
• 49. Other Primary Cutaneous T-Cell Lymphoproliferative Disorders
• 50. Angioimmunoblastic T-Cell Lymphoma
• 51. Anaplastic Large Cell Lymphomas
• 52. Peripheral T-Cell Lymphoma, Not Otherwise Specified
• 53. Nodular Lymphocyte Predominant Hodgkin Lymphoma
• 54. Classical Hodgkin Lymphoma
• 55. Immunodeficiency Disorders
• 56. Iatrogenic Immunodeficiency-Associated Lymphoproliferative Disorders
• 57. Lymphocytopenia and Lymphocytosis
• 58. Histiocytic Disorders
• 59. Disorders of Dendritic Cells
• 60. Granulocytic Disorders
• 61. Disorders of Red Blood Cells—Anemias
• 62. Disorders of Megakaryocytes and Platelets
• 63. Post-Therapy Changes
• Index