Category: Blood disorders Pathology (from Greek pathos, feeling, pain, suffering; and logos, study of; see also -ology) is the study of the processes underlying disease and other forms of illness, harmful abnormality, or dysfunction. ... Hematology is the branch of medicine that is concerned with blood and its disorders. ... 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. ... A scanning electron microscope image of normal circulating human blood. ... Wikipedia does not have an article with this exact name. ... Lymphoid leukemia is a type of leukemia affecting lymphoid tissue. ... Acute lymphoblastic leukemia (ALL), also known as acute lymphocytic leukemia, is a form of leukemia, characterised by the overproduction and continuous multiplication of malignant and immature white blood cells (also known as lymphoblasts) in the bone marrow. ... Chronic lymphocytic leukemia (or chronic lymphoid leukemia), known for short as CLL, is a type of leukemia in which too many lymphocytes are produced. ... Hairy cell leukemia is a B cell neoplasm. ... This article is about lymphoma in humans. ... Hodgkins lymphoma, also known as Hodgkins disease, is a type of lymphoma first described by Thomas Hodgkin in 1832. ... Non-Hodgkin lymphoma is a cancer arising from lymphocytes, a type of white blood cells. ... Lymphoproliferative disorders (LPDs) refer to several conditions in which lymphocytes are produced in excessive quantities. ... 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 type of cancer of plasma cells which are immune system cells in bone marrow that produce antibodies. ... Plasmacytoma refers to a malignant monoclonal plasma cell tumor growing either in bone or soft tissue. ... Myeloid cells is a subsummating term for all hemopoietic cells except the lymphoid ones (T-cells, B-cells, NK-cells, dendritic cells). ... Myeloid leukaemia can refer to: Acute myelogenous leukemia Chronic myelogenous leukemia Category: Disambiguation ... Acute myelogenous leukemia (AML), also known as acute myeloid leukemia, is a cancer of the myeloid line of blood cells. ... Chronic myelogenous leukemia (CML) is a form of chronic leukemia characterized by increased and unregulated clonal production of predominantly myeloid cells in the bone marrow. ... The myeloproliferative diseases are a group of diseases of the bone marrow where excess cells are produced. ... Essential thrombocytosis (ET, essential thrombocythemia) is a rare chronic blood disorder characterized by the overproduction of platelets by megakaryocytes (the precursor cell for platelets) in the absence of an alternative cause. ... Polycythemia is a condition in which there is a net increase in the total circulating erythrocyte (red blood cell) mass of the body. ... Myelofibrosis with myeloid metaplasia, also known as agnogenic myeloid metaplasia, chronic idiopathic myelofibrosis, and primary myelofibrosis,[1] was first described in 1879 and is currently classified as a myeloproliferative disease caused by the growth and proliferation of an abnormal bone marrow stem cell, resulting in the replacement of the bone... The myelodysplastic syndromes (MDS, formerly known as preleukemia) are a diverse collection of hematological conditions united by ineffective production of blood cells and varying risks of transformation to acute myelogenous leukemia. ... Leukocytosis is an elevation of the white blood cell count (the leukocyte count) above the normal range. ... Lymphocytosis is an increase in the number of lymphocytes in the blood. ... Monocytosis is an increase in the number of circulating monocytes. ... Eosinophilia is the state of having high eosinophil granulocytes in the blood. ... Lymphopenia is the condition in which there exists an abnormally low number of lymphocytes in the blood. ... Neutropenia (or neutropaenia, adjective neutrop(a)enic) is a hematological disorder characterized by an abnormally low number of neutrophil granulocytes (a type of white blood cell). ... Human red blood cells Red blood cells are the most common type of blood cell and the vertebrate bodys principal means of delivering oxygen from the lungs or gills to body tissues via the blood. ... Anemia (AmE) or anæmia (BrE), from the Greek () meaning without blood, is a deficiency of red blood cells (RBCs) and/or hemoglobin. ... Hemoglobinopathy is a kind of genetic defect that results in abnormal structure of one of the globin chains of the hemoglobin molecule. ... Iron deficiency anemia is the most common type of anemia, and the most common cause of microcytic anemia. ... The Plummer-Vinson syndrome, also called Paterson-Kelly syndrome or sideropenic dysphagia is a disorder linked to severe, long-term iron deficiency anemia, which causes swallowing difficulty (dysphagia) due to web-like membranes of tissue growing in the throat (esophageal webs). ... I think this is cool Pernicious anemia is loosely used to mean a state of anemia due to vitamin B12 deficiency. ... 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). ... Glucose-6-phosphate dehydrogenase (G6PD) deficiency is an X-linked recessive hereditary disease featuring nonimmune hemolytic anemia in response to a number of causes. ... Thalassemia (American English) or thalassaemia (British English) is a recessive trait inherited disease of the red blood cells. ... Sickle-cell disease is a group of genetic disorders caused by sickle hemoglobin (Hgb S or Hb S). ... Sickle cell trait describes the way a person can inherit some of the genes of sickle cell disease, but not develop symptoms. ... Hereditary spherocytosis is a genetic disorder of the red blood cells that makes them prone to hemolysis. ... 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. ... Hereditary stomatocytosis describes a number of inherited autosomal dominant human conditions which affect the red blood cell, in which the membrane or outer coating of the cell leaks sodium and potassium ions. ... Warm Autoimmune Hemolytic Anemia (warm AIHA) is the most common of the autoimmune hemolytic diseases. ... In medicine, Hemolytic-uremic syndrome (or haemolytic-uraemic syndrome, abbreviated HUS) is a disease characterised by microangiopathic hemolytic anemia, acute renal failure and a low platelet count (thrombocytopenia). ... 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. ... Paroxysmal nocturnal hemoglobinuria (PNH) is a rare acquired life-threatening disease of the blood characterised by hemolytic anemia, thrombosis and red urine due to breakdown of red blood cells. ... Aplastic anemia is a condition where bone marrow does not produce sufficient new cells to replenish blood cells. ... Acquired pure red cell aplasia (or PRCA) refers to a type of anemia affecting the precursors to red blood cells but not to white blood cells. ... Fanconi anemia (FA) is a genetic disease that affects children and adults from all ethnic backgrounds. ... Haemochromatosis, also spelled hemochromatosis, is a hereditary disease characterized by improper processing by the body of dietary iron which causes iron to accumulate in a number of body tissues, eventually causing organ dysfunction. ... Coagulation is a complex process by which blood forms solid clots. ... A 250 ml bag of newly collected platelets. ... This page is a candidate to be moved to Wiktionary. ... Disseminated intravascular coagulation (DIC) is a pathological process in the body where the blood starts to coagulate throughout the whole body. ... This article does not cite any references or sources. ... 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. ... 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. ... Purple discolorations on the skin caused by bleeding underneath the skin. ... In medicine (rheumatology and pediatrics) Henoch-Schönlein purpura (HSP, also known as allergic purpura) is a systemic vasculitis characterized by prominent tissue deposition of IgA-containing immune complexes, especially in the skin and kidney. ... Idiopathic thrombocytopenic purpura (ITP) 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 ADAMTS13, which is responsible for cleaving large multimers of von Willebrand factor. ... Bernard-Soulier syndrome (BSS, named after Jean Bernard and Jean Pierre Soulier) is a rare congenital bleeding disorder characterized by thrombocytopenia and large platelets and was first described in 1948. ... Glanzmanns thrombasthenia is an extremely rare, autosomal recessive disorder of the blood, in which the platelets lack GPIIb/IIIa. ... Grey platelet syndrome is a rare condition caused by a reduction or absence of the platelet alpha-granules in blood platelet, or of the proteins contained in these granules. ... Though histiocytosis can refer to any of several specific diseases, the term is generally used to refer to a rare blood disease that is caused by an excess of white blood cells called histiocytes. ... Acute monocytic leukemia (AMoL, or AML-M5) is considered a type of acute myeloid leukemia. ... Malignant histiocytosis is a hereditary disease found in the Bernese Mountain Dog characterized by histiocytic infiltration of the lungs and lymph nodes. ... Erdheim-Chester disease (also known as Erdheim-Chester syndrome) is a rare form of non-Langerhans-cell histiocytosis. ... This article or section is in need of attention from an expert on the subject. ... Juvenile xanthogranuloma is a form of histiocytosis, classified as non-Langerhans cell histiocytosis,[1] or more specifically, type 2.[2] ^ Nakasu S, Tsuji A, Fuse I, Hirai H. Intracranial solitary juvenile xanthogranuloma successfully treated with stereotactic radiosurgery. J Neurooncol. ... Hemophagocytic lymphohistiocytosis is a form of histiocytosis where there is an excess of both histiocytes and lymphocytes. ... // Methemoglobinemia, also known as met-Hb, is a disorder characterized by the presence of a higher than normal level of methemoglobin in the blood. ...