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The ends of the cells are blunt and not sharp like sickle cells. Elliptocytes are commonly associated with hereditary elliptocytosis. However, they may also be seen in iron deficiency anemia, sepsis, malaria and other pathological states that decrease red blood cell turnover and or production.
Hereditary elliptocytosis, also known as ovalocytosis, is an inherited blood disorder in which an abnormally large number of the person's red blood cells are elliptical rather than the typical biconcave disc shape. Such morphologically distinctive erythrocytes are sometimes referred to as elliptocytes or ovalocytes.
Human red blood cells showing poikilocytosis Membrane abnormalities. Acanthocytes or Spur/Spike cells; Codocytes or Target cells; Echinocytes and Burr cells; Elliptocytes and Ovalocytes; Spherocytes; Stomatocytes or Mouth cells; Drepanocytes or Sickle Cells; Degmacytes or "bite cells" Trauma. Dacrocytes or Teardrop Cells; Keratocytes
Schistocytes compared to other forms of poikilocytosis. Schistocytes are fragmented red blood cells that can take on different shapes. They can be found as triangular, helmet shaped, or comma shaped with pointed edges. Schistocytes are most often found to be microcytic with no area of central pallor.
Sickle cell disease (SCD), also simply called sickle cell, is a group of hemoglobin-related blood disorders typically inherited. The most common type is known as sickle cell anemia. It results in an abnormality in the oxygen-carrying protein haemoglobin found in red blood cells.
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Anemia of chronic disease shows unremarkable RBCs, iron deficiency shows anisocytosis, anisochromia and elliptocytosis, and thalassemias demonstrate target cells and coarse basophilic stippling. In practice, though elliptocytes and anisocytosis are often seen in thalassemia and target cells occasionally in iron deficiency.
Sickle cell trait describes a condition in which a person has one abnormal allele of the hemoglobin beta gene (is heterozygous), but does not display the severe symptoms of sickle cell disease that occur in a person who has two copies of that allele (is homozygous).
An anemia is normocytic when the red blood cells (RBCs) are of normal size. RBCs are normocytic when the mean corpuscular volume (MCV) is between 80 and 100 femtolitres (fL), which is within the normal and expected range. However, the hematocrit and hemoglobin are decreased. [1]
The young cells will generally stain gray or blue in the cytoplasm. These young red blood cells are commonly called reticulocytes. All polychromatophilic cells are reticulocytes, however, not all reticulocytes are polychromatophilic. In the old blood cells, the cytoplasm either stains a light orange or does not stain at all.
According to this, it can be divided into. Anisocytosis with microcytosis – Iron deficiency, sickle cell anemia. Anisocytosis with macrocytosis – Folate or vitamin B 12 deficiency, autoimmune hemolytic anemia, cytotoxic chemotherapy, chronic liver disease, myelodysplastic syndrome.