Blood diseases affect the production of blood and its components, such as blood cells, hemoglobin, blood proteins, the mechanism of coagulation, etc. The study of etiology, diagnosis, treatment, prognosis, and prevention of blood diseases is the domain of hematology and hemotherapy. Medical specialists in this domain are called hematologists. Red blood cells (erythrocytes) are present in the blood and help carry oxygen to the rest of the cells in the body Blood is a circulating tissue composed of fluid plasma and cells (red blood cells, white blood cells, platelets). ... A blood cell is any cell of any type normally found in blood. ... 3-dimensional structure of hemoglobin. ... Blood proteins are proteins found in blood plasma. ... The coagulation of blood is a complex process during which blood forms solid clots. ... Etiology (alternately aetiology, aitiology) is the study of causation. ... Diagnosis (from the Greek words dia = by and gnosis = knowledge) is the process of identifying a disease by its signs, symptoms and results of various diagnostic procedures. ... Treatment may refer to: // Health Therapy - the act of remediation of a health problem. ... Prognosis (older Greek πρόγνωσις, modern Greek πρόγνωση - literally fore-knowing, foreseeing) is a medical term denoting the doctors prediction of how a patients disease will progress, and whether there is chance of recovery. ... This article lacks information on the importance of the subject matter. ... Hematology is the branch of medicine that is concerned with blood and its disorders. ... A physician specialising in the treatment of blood diseases. ...

Classification of diseases

• Hemoglobinopathies (abnormal structure of part of the hemoglobin molecule)
  • Sickle-cell disease
  • Thalassemia
  • Methemoglobinemia
  • Paroxysmal nocturnal hemoglobinuria
  • Glucose-6-phosphate dehydrogenase deficiency (G6PD)
• Decreased numbers of cells
  • Anemias (decrease in the number of erythrocytes)
    • Iron deficiency anemia (caused by deficiency of production of hemoglobin)
    • Aplastic anemia
    • Pernicious anemia
    • Megaloblastic anemia - Vitamin B₁₂ or folate deficiency
    • Hemolytic anemia (caused by destruction of red cells)
    • Fanconi anemia
    • Microangiopathic hemolytic anemia
    • Warm autoimmune hemolytic anemia
  • Myelodysplastic syndrome
  • Hereditary elliptocytosis
  • Myelofibrosis
  • Neutropenia (decrease in the number of neutrophils)
  • Agranulocytosis
  • Spherocytosis
  • Glanzmann's thrombasthenia
  • Thrombocytopenia (decrease in the number of platelets)
    • Idiopathic thrombocytopenic purpura (ITP)
    • Thrombotic thrombocytopenic purpura (TTP)
    • Heparin-induced thrombocytopenia (HIT)
• Increased numbers of cells
  • Polycythemia vera (increase in the number of cells in general)
  • Leukocytosis (increase in the number of white blood cells)
  • Thrombocytosis (increase in the number of platelets)
  • Myeloproliferative disorder
• Hematological malignancies
  • Lymphomas
    • Hodgkin's disease
    • Non-Hodgkin's lymphoma
    • Burkitt's lymphoma
    • Anaplastic large cell lymphoma
  • Myelomas
    • Multiple myeloma
  • Leukemias
    • Acute lymphocytic leukemia (ALL)
    • Chronic lymphocytic leukemia (CLL)
    • Acute myelogenous leukemia (AML)
    • Chronic myelogenous leukemia (CML)
    • Hairy cell leukemia
• Coagulopathies
  • Disorders of clotting proteins
    • Hemophilia
      • Hemophilia A
      • Hemophilia B (a.k.a. Christmas disease)
      • Hemophilia C
    • Von Willebrand disease
    • Disseminated intravascular coagulation
    • Protein S deficiency
    • Antiphospholipid syndrome
    • Rh disease
  • Disorders of platelets
    • Glanzmann's thrombasthenia
    • Wiskott-Aldrich syndrome
• Other diseases that mainly affect blood cells
  • Infectious mononucleosis
  • AIDS
  • Malaria

Hemoglobinopathy is a kind of genetic defect that results in abnormal structure of one of the globin chains of the hemoglobin molecule. ... Sickle-shaped red blood cells Sickle cell disease is a general term for a group of genetic disorders caused by sickle hemoglobin (Hgb S). ... Thalassemia (American English) (or Thalassaemia in British English) is an inherited disease of the red blood cells, classified as a hemoglobinopathy. ... Methemoglobinemia, also known as met-H, is a usually genetic blood disorder characterized by the presence of a higher than normal level of methemoglobin in the blood. ... Paroxysmal nocturnal hemoglobinuria (PNH) is a rare disease characterised by aplastic anemia, thrombosis and red urine in the morning due to breakdown of red blood cells. ... Glucose-6-phosphate dehydrogenase (G6PD) deficiency is an X-linked recessive hereditary disease featuring nonimmune hemolytic anemia in response to a number of causes. ... This article discusses the medical condition. ... Human red blood cells Red blood cells are the most common type of blood cell and are the vertebrate bodys principal means of delivering oxygen to body tissues via the blood. ... Iron deficiency anemia is the most common type of anemia, and the most common cause of microcytic anemia. ... Aplastic anemia is a condition where the bone marrow does not produce enough, or any, new cells to replenish the blood cells. ... Pernicious anemia refers to a type of autoimmune anemia. ... Megaloblastic anemia is anemia resulting from a deficiency of vitamin B12 and folic acid. ... Folic acid (the anion form is called folate) is a B-complex vitamin (once called vitamin M) that is important in preventing neural tube defects (NTDs) in the developing human fetus. ... Hemolytic anemia is anemia due to hemolysis, the abnormal breakdown of red blood cells either in the blood vessels (intravascular hemolysis) or elsewhere in the body (extravascular). ... Fanconi anemia (FA) is a rare genetic disease that affects children and adults from all ethnic backgrounds. ... In medicine (hematology) microangiopathic hemolytic anemia (MAHA) is a subgroup of hemolytic anemia (anemia, loss of red blood cells through destruction) caused by factors in the small blood vessels. ... Warm Autoimmune Hemolytic Anemia (warm AIHA) is the most common of the autoimmune hemolytic diseases. ... Hereditary elliptocytosis is a blood disorder in which 50-90% of the red blood cells consist of rod forms and elliptocytes (that is, elliptical erythrocytes); often associated with a hemolytic anemia. ... Myelofibrosis, one of the myeloproliferative diseases, is the gradual replacement of the bone marrow by connective tissue. ... It has been suggested that Agranulocytosis be merged into this article or section. ... Neutrophil granulocytes (commonly referred to as neutrophils) are a class of white blood cells and are part of the immune system. ... Spherocytosis is an auto-hemolytic anemia (a disease of the blood) characterized by the production of red blood cells that are sphere-shaped, rather than donut-shaped. ... Glanzmanns thrombasthenia is an extremely rare, autosomal recessive disorder of the blood, in which the platelets lack GPIIb/IIIa. ... Thrombocytopenia (or -paenia, or thrombopenia in short) is the presence of relatively few platelets in blood. ... A 250 ml bag of newly collected platelets. ... Idiopathic thrombocytopenic purpura is the condition of having a low platelet count (thrombocytopenia) of no known cause (idiopathic). ... Thrombotic thrombocytopenic purpura (TTP or Moschcowitz disease) is a rare disorder of the blood coagulation system that in most cases arises from the deficiency or inhibition of the enzyme responsible for cleaving von Willebrand factor. ... Heparin-induced thrombocytopenia (HIT) with or without thombosis (HITT) is thrombocytopenia (low platelet counts) due to the administration of unfractionated heparin (UFH), it has also been observed with low molecular weight heparin (LMWH), danaparoid and related medication. ... Polycythemia is a condition in which there is a net increase in the total circulating erythrocyte (red blood cell) mass of the body. ... Leukocytosis is an elevation of the white blood cell count (the leukocyte count) above the normal range. ... White Blood Cells is also the name of a White Stripes album. ... Thrombocytosis - Wikipedia, the free encyclopedia /**/ @import /skins-1. ... A 250 ml bag of newly collected platelets. ... The myeloproliferative disorders are relatively rare hematologic malignancies which include: Polycythemia vera (PV), Essential thrombocythemia (ET), Agnogenic myeloid metaplasia (AMM), Idiopathic myelofibrosis (IMF) Chronic myelogenous leukemia (CML). ... Although hematological malignancies are a form of cancer, they are generally treated by specialists in hematology, although in many hospitals oncology specialists also manage these diseases. ... Lymphoma is a general term for a variety of cancer that begins in the lymphatic system. ... Non-Hodgkins lymphoma is a type of cancer. ... Burkitts lymphoma is a type of cancer that is associated with the Epstein-Barr virus, also the cause of mononucleosis as well as other cancers. ... Anaplastic large cell lymphoma (ALCL) is a type of non_Hodgkin lymphoma that features in the World Health Organisation (WHO) classification of lymphomas. ... Multiple myeloma (also known simply as myeloma or plasma cell myeloma) is a hematological malignancy of plasma cells, the cells of the immune system that produce antibodies. ... Multiple myeloma (also known as MM, myeloma, plasma cell myeloma, or as Kahlers disease after Otto Kahler) is a malignant neoplasm of plasma cells, the cells of the immune system that produce antibodies. ... Leukemia (leukaemia in Commonwealth English) is a cancer of the blood or bone marrow characterized by an abnormal proliferation of blood cells, usually white blood cells (leukocytes). ... Acute lymphocytic leukaemia (ALL), also known as acute lymphoblastic leukaemia is a cancer of the white blood cells, characterised by the overproduction and continuous multiplication of malignant and immature white blood cells (referred to as lymphoblasts) in the bone marrow. ... Chronic lymphocytic leukemia (or chronic lymphoid leukemia) CLL, is a cancer in which too many lymphocytes (a type of white blood cells) are produced. ... Acute myelogenous leukemia (AML), also known as acute myeloid leukemia, is a cancer of the myeloid line of blood cells. ... Chronic myelogenous leukemia (or CML) is a form of chronic leukemia characterised by increased production of myeloid cells in the bone marrow. ... Hairy cell leukemia is a slow growing leukemia. ... This page is a candidate to be moved to Wiktionary. ... Haemophilia or hemophilia is the name of any of several hereditary genetic illnesses that impair the bodys ability to control bleeding. ... Haemophilia A (also spelt Hemophilia A or Hæmophilia A) is a blood clotting disorder caused by a mutation of the Factor VIII gene, leading to a deficiency in Factor VIII. It is the most common hemophilia. ... Haemophilia B (also spelled Hemophilia B or Hæmophilia B) is a blood clotting disorder caused by a mutation of the Factor IX gene. ... Haemophilia B (also spelled Hemophilia B or Hæmophilia B) is a blood clotting disorder caused by a mutation of the Factor IX gene. ... A mild form of hemophilia that mainly occurs in Jews of Ashkenazi descent. ... Von Willebrands disease (vWD) is the most common hereditary coagulation abnormality described in humans. ... Disseminated intravascular coagulation (DIC) is a pathological process in the body where the blood starts to coagulate throughout the whole body. ... Protein S deficiency is a disorder associated with increased risk of thrombosis. ... Antiphospholipid syndrome (or antiphospholipid antibody syndrome) is a disorder of coagulation which causes thrombosis in both arteries and veins, as well as recurrent miscarriage. ... Rh disease (also Rhesus disease, Haemolytic Disease of the Newborn (HDNB) or Morbus haemolyticus neonatorum) is a condition that occurs when a Rh negative mother has given birth to a Rh positive baby and subsequently becomes pregnant with another Rh positive child. ... Glanzmanns thrombasthenia is an extremely rare, autosomal recessive disorder of the blood, in which the platelets lack GPIIb/IIIa. ... Wiskott-Aldrich syndrome (WAS) is a rare X-linked recessive disease characterized by eczema, thrombocytopenia (low platelet counts), immune deficiency, and bloody diarrhea (due to the low platelet counts). ... Acquired immunodeficiency syndrome, or acquired immune deficiency syndrome (or acronym AIDS or Aids), is a collection of symptoms and infections resulting from the specific damage to the immune system caused by infection with the human immunodeficiency virus (HIV). ... Red blood cell infected with Malaria, derived from mala aria (Italian for bad air) and formerly called ague or marsh fever in English, is an infectious disease which causes about 350-500 million infections with humans and approximately 1. ...

See also

• Blood
• Hematology
• Blood tests
• Blood transfusion
• Bone marrow transplantation
• List of hematologists