MYELOPROLIFERATIVE DISEASES By DR. FATIMA AL-QAHTANI CONSULTANT HAEMATOLOGIST.
HAEMATOPOIESIS AND CLASSIFICATION OF ANAEMIA BY DR. KAMAL E. HIGGY CONSULTANT HAEMATOLOGIST.
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Transcript of HAEMATOPOIESIS AND CLASSIFICATION OF ANAEMIA BY DR. KAMAL E. HIGGY CONSULTANT HAEMATOLOGIST.
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HAEMATOPOIESIS
AND
CLASSIFICATION OF ANAEMIA
BY
DR. KAMAL E. HIGGY
CONSULTANT HAEMATOLOGIST
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HAEMATOPOIESISNEUTROPHILS
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Neutrophilia Causes
-----------------------------------------------------------------------------------------------------------------------------------
• Acute infections: Bacterial, viral, fungal, mycobacterial and rickettsial
• Physical stimuli: Trauma, electric shock, anoxia, pregnancy
• Drugs and chemicals: Corticosteroids, aetiocholanolone, adrenaline, lead, mercury poisoning, lithium
• Hematological causes: Acute haemorrhage, acute haemolysis, transfusion reactions, post-
splenectomy, leukaemia and myeloproliferative disorders.• Malignant disease:
Carcinoma, especially of gastro-intestinal tract, liver or bone marrow• Miscellaneous conditions:
Certain dermatoses, hepatic necrosis, chronic idiopathic leucocytosis
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Lymphocytosis Non-Malignant causes
-----------------------------------------------------------------------------------------------------------------------------------
• Virus infections:
Infectious mononucleosis
Infectious lymphocytosis
Cytomegalovirus infection
Occasionally mumps, varicella, hepatitis, rubella, influenza
• Bacterial Infections:
Pertussis
Occasionally cat-scratch fever, tuberculosis, syphilis, brucellosis
• Protozoal infections:
Toxoplasmosis
occasionally malaria
• Other rare causes:
Hyperthyroidism, congenital adrenal hyperplasia
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Monocytosis Causes
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- • Chronic bacterial infections:
Tuberculosis, subacute bacterial endocarditis, brucellosis• Other Specific Infections:
Malaria, Kala-azar, trypanosomiasis, typhus, Rocky
Mountain spotted fever• Malignant diseases:
Hodgkin’s disease, carcinoma• Leukaemia:
Acute myeloid leukaemia, chronic monocytic leukaemia• Neutropenias:
Familial benign and severe neutropenia
Cyclical neutropenia
Drug-induced Agranulocytosis• Miscellaneous:
Cirrhosis, systemic lupus erythematosus, rheumatoid arthritis
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Eosinophilia Causes
• Allergic reactions: Asthma, hay fever, urticaria, angioneurotic oedema
• Parasitic Infestation: Tissue parasites – trichinosis, filariasis, visceral larva migrans, etc..
Intestinal parasites – Ascaris, Taenia, etc. (less regularly)
• Skin disorders: Pemphigus, pemphigoid, eczema, psoriasis, (dermatitis herpetiformis)
• Drug hypersensitivity reactions: Especially iodides, penicillin, allopurinol, gold salts, tartrazine
Loffler’s pulmonary syndrome and Loffler’s endomyocarditis
Tropical eosinophilia (probably filarial)
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Eosinophilia Causes (Cont…)
• Malignant diseases: Especially Hodgkin’s disease, carcinoma of ovary, lung stomach,
angioimmunoblastic lymphadenopathy.
• Following irradiation or splenectomy: Hypereosinophilic syndromes
Eosinophilic leukaemia
• Miscellaneous Conditions: Polyarteritis nodosa, ulcerative colitis, sardoidosis, scarlet fever,
pernicious anaemia, chronic active hepatitis, eosinophilic granuloma,
familial eosinophilia
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Leukaemoid Reactions or LeucoerythroblasticAnaemia
Causes
• Severe infections, especially in children: a. Pneumonia, septicaemia, meningococcal meningitis
b. Infectious mononucleosis, pertussis
• Intoxications: Eclampsia, severe burns, mercury poisoning
• Neoplasia:
Especially with bone-marrow infiltration
• Severe haemorrhage or haemolysis
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NeutropeniaCauses
• Drugs:
Selective neutropenia
Agranulocytosis (Aplastic anaemia)
• Infections: Viral – including hepatitis, influenza, rubella
Bacterial – typhoid fever, brucellosis, miliary tuberculosis
Rickettsial and protozoal infections (Sometimes)
• Megaloblastic anaemia:
Vitamin B12 or folate deficiency
• Chronic neutropenia:
Chronic idiopathic neutropenia
Immune neutropenia
Congenital neutropenias
Cyclical neutropenia
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NeutropeniaCauses (cont…)
• Hypersplenism: Primary
In association with cirrhosis, Felty’s syndrome, etc.
• Ionizing radiation and cytotoxic drugs: Radiotherapy
Alkylating agents, antimetabolites, others
• Malignant disease: Acute leukaemia
Leuco-erythroblastic anaemia due to metastatic carcinoma, multiple myeloma or lymphoma
• Micscellaneous conditions:Systemic lupus erythematosus, myxoedema, hypopituitrism, iron
deficiency, anaphylactic shock
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LymphopeniaSecondary Causes
• Loss: Mostly from gut as in intestinal lymphangiectasia, Whipple’s disease and rarely Crohn’s disease
Thoracic-duct fistula
• Maturation: Primary, or secondary to gut disease
Vit B12 or folate deficiency
Zinc deficiency
• Pharmacological agents:Antilymphocyte globulin
Corticosteroids
Cytotoxic drugs
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LymphopeniaSecondary Causes (Cont…)
• Infections:
Severe septicaemias
Influenza, occasionally other virus infections
Colorado tick fever
Miliary tuberculosis
• Other miscellaneous conditions: Collagen vascular diseases, especially SLE
Malignant disease
Other conditions with lymhocytotoxins
Radiotherapy
Graft-versus-host disease
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Hypochromic and/or Microcytic Anaemia
Serum Fe
Serum Fe Increased
Hyperferraemia
Serum Fe
Reduced Hypoferraemia
Serum Fe Normal
Bone Marrow
Macrophage Iron
Serum Ferritin
Hemoglobin Electrophoresis, etc
Bone marrow Sideroblast Fe
IncreasedOR
Absent IRON DEFICIENCYLow THLASSEMIA
SIDEROBLASTIC ANAEMIA
IncreasedANAEMIA OF
CHRONIC DISORDERS
Normal or Increased
HEMOGLOBINOPATHIES (S,C,D,E)
CONGENITAL
ACQUIRED
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MACROCYTIC ANAEMIA
BLOOD AND MARROW MORPHOLOGY
NON-MEGALOBLASTICMEGALOBLASTIC
Clinical data; serum vitamins
B12 DEFICIENCY NO DEFICIENCY FOLATE DEFICIENCY
Congenital diseases
Drugs
Schilling Test with intrinsic factor DIETRETICULOCYTES
Pernicious anaemia
Gastric resection
Ingestion of corrosives
Inertintrinsic factor
Small bowel bacteria
Fish tapeworm
Familial B12 malabsorption
Drug-induced malabsorption
Ileal Disease
Drug-induced malabsorption
Jejunal resection
Tropical sprue, gluten sensitivity
Dietary Deficiency
Pregnancy
infancy
Certain Blood Diseases
Hemolytic Anemia
Hemorrhage
Myelophthisic Anemia
Acq. Sideroblastic Anaemia
Hypoplastic anemia
Myxaedema
Hepatic Disease
corrected Not corrected Good Poor
increased
Normal or decreased
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NORMOCYTIC, NORMOCHROMIC ANEMIA
RETICULOCYTES
Normal or Decreased Erythrocyte ProductionIncreased Erythrocyte Production
History, Course, Blood Smear, Bile
Pigments
Bone Marrow Aspirate and Biopsy
Hemolytic Anaemia
Post hemorr-hagic Anemia
Abnormal Marrow Normal Marrow
Hypoplastic Anaemia Infiltration
Dyserythropoie-tic Anaemia
Test Renal Function
Test Endocrine Function
Test Liver Function
Serum Iron
Myeloma
Leukemia
Myelofibrosis
Metastases
Anaemia of renal failure
Myxaedema
Addison’s
eunuchoidism
Panhypopituitarism
Anemia of liver disease
Anemia of chronic disorders
Early Fe deficiency
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