Megaloblastic Anemias

Introduction: Megaloblastic anemias are a group of disorders characterized by reduced DNA synthesis (not just in red cell series) associated with pathognomonic morphological changes. When DNA synthesis is impaired, the cell cycle cannot progress from the G2 growth stage to the mitosis (M) stage. This leads to continuing cell growth without division, which presents as macrocytosis. In other words, megaloblastic anemia […]

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Iron Deficiency Anemia

iron deficiency anemia

  Introduction: Iron is a mineral. Most of the iron in the body is found in the hemoglobin of red blood cells and in the myoglobin of muscle cells. Iron is needed for transporting oxygen and carbon dioxide. It also has other important roles in the body. In people with iron deficiency anemia, the red blood cells can’t carry enough oxygen […]

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Anemias-General Approach

Anemias-General Approach: Anemia is a condition in which you don’t have enough healthy red blood cells or hemoglobin (Hb) to carry adequate oxygen to the body’s tissues. Anemia is not a diagnosis; it is a manifestation of an underlying disorder. Thus, even mild, asymptomatic anemia should be investigated so that the primary problem can be diagnosed and treated. When anemia […]

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Blood Cells

Blood cells begin their life in the bone marrow as stem cells, and they mature into three main types of cells Red blood cells (RBCs), White blood cells (WBCs), and Platelets. The average human adult has more than 5 liters of blood in his or her body. Blood carries oxygen and nutrients to living cells and takes away their waste […]

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Scope of hematology

Hematology is the study of blood, blood forming tissues and organs, and blood disorders. Hematology is practiced by specialists in the field who deal with the diagnosis, treatment and overall management of people with blood disorders ranging from anemia to blood cancer. Because blood runs through every organ and tissue in the body, hematology has an enormous ripple effect extending […]

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What is Hematology

Hematology is a branch of medicine concerning the study of blood, the blood-forming organs, and blood diseases. The word (heme) comes from the Greek for blood. History of Hematology: The history of hematology dates back to ancient Egypt and the use of blood-letting tools. A major breakthrough in the study of blood occurred in 1642 when Anthony van Leeuwenhoek built a microscope […]

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