Hematologic disease

Hematologic disease
Classification and external resources
Specialty	hematology
MeSH	D006402

Hematologic diseases are disorders which primarily affect the blood. Hematology includes the study of these disorders.

Myeloid

Hemoglobinopathies (congenital abnormality of the hemoglobin molecule or of the rate of hemoglobin synthesis)
Anemias (lack of red blood cells or hemoglobin)
- Iron deficiency anemia
- Megaloblastic anemia
  - Vitamin B₁₂ deficiency
    - Pernicious anemia
  - Folate deficiency
- Hemolytic anemias (destruction of red blood cells)
  - Genetic disorders of RBC membrane
  - Genetic disorders of RBC metabolism
    - Glucose-6-phosphate dehydrogenase deficiency (G6PD)
    - Pyruvate kinase deficiency
  - Immune mediated hemolytic anemia (direct Coombs test is positive)
    - Autoimmune hemolytic anemia
      - Warm antibody autoimmune hemolytic anemia
        Idiopathic
        
        Systemic lupus erythematosus (SLE)
        
        Evans' syndrome (antiplatelet antibodies and hemolytic antibodies)
      - Cold autoimmune hemolytic anemia
        Cold agglutinin disease
        
        Paroxysmal cold hemoglobinuria (rare)
        
        Infectious mononucleosis
    - Alloimmune hemolytic anemia
      - Hemolytic disease of the newborn (HDN)
        Rh disease (Rh D)
        
        ABO hemolytic disease of the newborn
        
        Anti-Kell hemolytic disease of the newborn
        
        Rhesus c hemolytic disease of the newborn
        
        Rhesus E hemolytic disease of the newborn
        
        Other blood group incompatibility (RhC, Rhe, Kid, Duffy, MN, P and others)
    - Drug induced immune mediated hemolytic anemia
      - Penicillin (high dose)
      - Methyldopa
  - Hemoglobinopathies (where these is an unstable or crystalline hemoglobin)
  - Paroxysmal nocturnal hemoglobinuria (rare acquired clonal disorder of red blood cell surface proteins)
  - Direct physical damage to RBCs
    - Microangiopathic hemolytic anemia
    - Secondary to artificial heart valve(s)
- Aplastic anemia
  - Fanconi anemia
  - Diamond-Blackfan anemia (inherited pure red cell aplasia)
  - Acquired pure red cell aplasia
Decreased numbers of cells
- Myelodysplastic syndrome
- Myelofibrosis
- Neutropenia (decrease in the number of neutrophils)
- Agranulocytosis
- Glanzmann's thrombasthenia
- Thrombocytopenia (decrease in the number of platelets)
  - Idiopathic thrombocytopenic purpura (ITP)
  - Thrombotic thrombocytopenic purpura (TTP)
  - Heparin-induced thrombocytopenia (HIT)
Myeloproliferative disorders (Increased numbers of cells)
- Polycythemia vera (increase in the number of cells in general)
- Erythrocytosis (increase in the number of red blood cells)
- Leukocytosis (increase in the number of white blood cells)
- Thrombocytosis (increase in the number of platelets)
- Myeloproliferative disorder
Coagulopathies (disorders of bleeding and coagulation)
- Thrombocytosis
- Recurrent thrombosis
- Disseminated intravascular coagulation
- Disorders of clotting proteins
  - Hemophilia
    - Hemophilia A
    - Hemophilia B (also known as Christmas disease)
    - Hemophilia C
  - Von Willebrand disease
  - Disseminated intravascular coagulation
  - Protein S deficiency
  - Antiphospholipid syndrome
- Disorders of platelets

Hematological malignancies

Hematological malignancies
- Lymphomas
  - Hodgkin's disease
  - Non-Hodgkin's lymphoma {includes the next five entries}
- Myelomas
- Leukemias increased WBC
  - Acute lymphocytic leukemia (ALL)
  - Chronic lymphocytic leukemia (CLL){now included in theCLL/SCLL type NHL}
  - Acute myelogenous leukemia (AML)
  - Chronic Idiopathic Myelofibrosis (MF)
  - Chronic myelogenous leukemia (CML)
  - T-cell prolymphocytic leukemia (T-PLL)
  - B-cell prolymphocytic leukemia (B-PLL)
  - Chronic neutrophilic leukemia (CNL)
  - Hairy cell leukemia (HCL)
  - T-cell large granular lymphocyte leukemia (T-LGL)
  - Aggressive NK-cell leukemia

Miscellaneous

Hematological changes secondary to non-hematological disorders

External links

Diseases of red blood cells (D50–69,74, 280–287)

↑

Polycythemia	Polycythemia vera

↓

Anemia

Nutritional

Micro-: Iron-deficiency anemia
- Plummer–Vinson syndrome

Macro-: Megaloblastic anemia
- Pernicious anemia

Hemolytic
(mostly normo-)

Hereditary	enzymopathy: G6PD glycolysis PK TI HK hemoglobinopathy: Thalassemia alpha beta delta Sickle-cell disease/trait HPFH membrane: Hereditary spherocytosis Minkowski–Chauffard syndrome Hereditary elliptocytosis Southeast Asian ovalocytosis Hereditary stomatocytosis
Acquired	Autoimmune WAHA CAD PCH membrane PNH MAHA TM HUS Drug-induced autoimmune Drug-induced nonautoimmune Hemolytic disease of the newborn

Aplastic
(mostly normo-)

Blood tests

MCV
MCHC
- Normochromic
- Hypochromic

Other

Diseases of clotting (D50–69,74, 280–287)

Coagulation/
coagulopathy

↑

Hyper- coagulability	primary: Antithrombin III deficiency Protein C deficiency/Activated protein C resistance/Protein S deficiency/Factor V Leiden Prothrombin G20210A Sticky platelet syndrome acquired:Thrombocytosis essential DIC Purpura fulminans autoimmune Antiphospholipid

↓

Hypo-
coagulability

Thrombocytopenia	Thrombocytopenic purpura: ITP Evans syndrome TM TTP Upshaw Schulman syndrome Heparin-induced thrombocytopenia May–Hegglin anomaly
Platelet function	adhesion Bernard–Soulier syndrome aggregation Glanzmann's thrombasthenia platelet storage pool deficiency Hermansky–Pudlak syndrome Gray platelet syndrome
Clotting factor	Hemophilia A/VIII B/IX C/XI von Willebrand disease Hypoprothrombinemia/II Factor VII deficiency Factor X deficiency Factor XII deficiency Factor XIII deficiency Dysfibrinogenemia Congenital afibrinogenemia

Hematologic disease: Monocyte and granulocyte disease (CFU-GM/CFU-Baso/CFU-Eos), including immunodeficiency (D70-D71, 288)

Monocytes/
macrophages

↑

Histiocytosis Chronic granulomatous disease
-cytosis:	Monocytosis

↓

-penia:	Monocytopenia

Granulocytes

↑

-cytosis:	granulocytosis Neutrophilia Eosinophilia/Hypereosinophilic syndrome Basophilia Bandemia

↓

-penia:	Granulocytopenia/agranulocytosis (Neutropenia/Kostmann syndrome Eosinopenia Basopenia)

PBD

chemotaxis/degranulation:	Leukocyte adhesion deficiency LAD1 LAD2 Chédiak–Higashi syndrome Neutrophil-specific granule deficiency
respiratory burst:	Chronic granulomatous disease Neutrophil immunodeficiency syndrome Myeloperoxidase deficiency

Certain conditions originating in the perinatal period / fetal disease (P, 760–779)

Maternal factors and
complications of pregnancy,
labour and delivery

placenta:	Placenta praevia Placental insufficiency Twin-to-twin transfusion syndrome
chorion/amnion:	Chorioamnionitis
umbilical cord:	Umbilical cord prolapse Nuchal cord Single umbilical artery

Length of gestation
and fetal growth

Birth trauma

By system

Respiratory	Intrauterine hypoxia Infant respiratory distress syndrome Transient tachypnea of the newborn Meconium aspiration syndrome pleural disease Pneumothorax Pneumomediastinum Wilson–Mikity syndrome Bronchopulmonary dysplasia
Cardiovascular	Pneumopericardium Persistent fetal circulation
Haemorrhagic and hematologic disease	Vitamin K deficiency Haemorrhagic disease of the newborn HDN ABO Anti-Kell Rh c Rh D Rh E Hydrops fetalis Hyperbilirubinemia Kernicterus Neonatal jaundice Velamentous cord insertion Intraventricular hemorrhage Germinal matrix hemorrhage Anemia of prematurity
Digestive	Ileus Necrotizing enterocolitis Meconium peritonitis
Integument and thermoregulation	Erythema toxicum Sclerema neonatorum
Nervous system	Periventricular leukomalacia
Musculoskeletal	Gray baby syndrome muscle tone Congenital hypertonia Congenital hypotonia

Infectious

Other

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