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Iron deficiency, or sideropenia, is the state in which a body lacks enough iron to supply its needs. Iron is present in all cells in the human body and has several vital functions, such as carrying oxygen to the tissues from the lungs as a key component of the hemoglobin protein, acting as a transport medium for electrons within the cells in the form of cytochromes, and facilitating oxygen ...
In hematology, thrombocythemia is a condition of high platelet (thrombocyte) count in the blood. Normal count is in the range of 150 × 10 9 to 450 × 10 9 platelets per liter of blood, [1] but investigation is typically only considered if the upper limit exceeds 750 × 10 9 /L. When the cause is unknown, the term thrombocythemia is used, as ...
54,200 (2015) [ 7] Iron-deficiency anemia is anemia caused by a lack of iron. [ 3] Anemia is defined as a decrease in the number of red blood cells or the amount of hemoglobin in the blood. [ 3] When onset is slow, symptoms are often vague such as feeling tired, weak, short of breath, or having decreased ability to exercise. [ 1]
Frequency. 0.6-2.5/100,000 cases per year. [ 2] In hematology, essential thrombocythemia ( ET) is a rare chronic blood cancer ( myeloproliferative neoplasm) characterised by the overproduction of platelets (thrombocytes) by megakaryocytes in the bone marrow. [ 3] It may, albeit rarely, develop into acute myeloid leukemia or myelofibrosis. [ 3]
Pernicious anemia is the most common cause of clinically evident vitamin B 12 deficiency worldwide. [14] Pernicious anemia due to autoimmune problems occurs in about one per 1000 people in the US. Among those over the age of 60, about 2% have the condition. [ 8 ]
Specialty. Endocrinology. Latent iron deficiency ( LID ), also called iron-deficient erythropoiesis, [ 1] is a medical condition in which there is evidence of iron deficiency without anemia (normal hemoglobin level). [ 2] It is important to assess this condition because individuals with latent iron deficiency may develop iron-deficiency anemia.
Atransferrinemia is an autosomal recessive metabolic disorder in which there is an absence of transferrin, a plasma protein that transports iron through the blood. [2] [4] Atransferrinemia is characterized by anemia and hemosiderosis in the heart and liver. The iron damage to the heart can lead to heart failure.
Nutritional anemia can be caused by a lack of iron, protein, vitamin B12, and other vitamins and minerals that are needed for the formation of hemoglobin. However, Iron deficiency anemia is the most common nutritional disorder. [ 7] Signs of anemia include cyanosis, jaundice, and easy bruising. [ 7]