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  2. Red blood cell distribution width - Wikipedia

    en.wikipedia.org/wiki/Red_blood_cell...

    Deficiencies of Vitamin B 12 or folate produce a macrocytic anemia (large cell anemia) in which the RDW is elevated in roughly two-thirds of all cases. However, a varied size distribution of red blood cells is a hallmark of iron deficiency anemia, and as such shows an increased RDW in virtually all cases.

  3. Anisocytosis - Wikipedia

    en.wikipedia.org/wiki/Anisocytosis

    Anisocytosis is a medical term meaning that a patient's red blood cells are of unequal size. This is commonly found in anemia and other blood conditions. False diagnostic flagging may be triggered on a complete blood count by an elevated WBC count, agglutinated RBCs, RBC fragments, giant platelets or platelet clumps due to anisocytosis.

  4. Polycythemia - Wikipedia

    en.wikipedia.org/wiki/Polycythemia

    Polycythemia is often asymptomatic; patients may not experience any notable symptoms until their red cell count is very high. For patients with significant elevations in hemoglobin or hematocrit (often from polycythemia vera), some non-specific symptoms include: [9] A ruddy (red) complexion, or plethora [13]

  5. Hypertryptophanemia - Wikipedia

    en.wikipedia.org/wiki/Hypertryptophanemia

    Hypertryptophanemia is a rare autosomal recessive [2] metabolic disorder that results in a massive buildup of the amino acid tryptophan in the blood, with associated symptoms and tryptophanuria (-uria denotes 'in the urine'). [3] [4] Elevated levels of tryptophan are also seen in Hartnup disease, [5] a disorder of amino acid transport. [6]

  6. Pernicious anemia - Wikipedia

    en.wikipedia.org/wiki/Pernicious_anemia

    Neuropsychiatric symptoms can precede hematological signs and are often the presenting manifestation of the disease. [55] Vitamin B 12 serum levels are used to detect its deficiency, but do not distinguish its causes. Vitamin B 12 levels can be falsely high or low and data for sensitivity and specificity vary widely.

  7. Megaloblastic anemia - Wikipedia

    en.wikipedia.org/wiki/Megaloblastic_anemia

    Megaloblastic anemia is a type of macrocytic anemia.An anemia is a red blood cell defect that can lead to an undersupply of oxygen. [1] Megaloblastic anemia results from inhibition of DNA synthesis during red blood cell production. [2]

  8. Hereditary elliptocytosis - Wikipedia

    en.wikipedia.org/wiki/Hereditary_elliptocytosis

    With pyropoikilocytosis (HPP) - individuals are typically of African descent and have a life-threateningly severe haemolytic anaemia with micropoikilocytosis (small and misshapen erythrocytes) that is compounded by a marked instability of erythrocytes in even mildly elevated temperatures (pyropoikilocytosis is often found in burns victims and ...

  9. Sideroblastic anemia - Wikipedia

    en.wikipedia.org/wiki/Sideroblastic_anemia

    Serum Iron: high; increased ferritin levels; decreased total iron-binding capacity; high transferrin saturation; Hematocrit of about 20-30%; The mean corpuscular volume or MCV is usually normal or low for congenital causes of sideroblastic anemia but normal or high for acquired forms.

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