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Carriers of thalassemia genes may have no symptoms (thalassemia minor), very mild symptoms with occasional crisis (thalassemia intermedia) or severe and life threatening symptoms (thalassemia major). [17] Alpha thalassemia major is generally fatal to the unborn child, as zero functional hemoglobin is produced during gestation.
Heterozygous HbD-thalassemia, which causes the symptoms of thalassemia generally with mild anemia. Heterozygous HbS-D, which gives rise to sickle cell anemia, but generally milder and slower symptoms. Homozygous HbD/HbD, which is the rarest form, but is associated with HbD disease.
Beta thalassemia trait (also known as beta thalassemia minor) involves heterozygous inheritance of a beta-thalassemia mutation and patients usually have microcytosis with borderline hypochromic anemia and they are usually asymptomatic or have mild symptoms. [8] Beta thalassemia minor can also present as beta thalassemia silent carriers; those ...
Thalassemia is an inherited blood disorder that results in abnormal hemoglobin. [26] Symptoms depend on the type of thalassemia and can vary from none to severe. Often there is mild to severe anemia (low red blood cells or hemoglobin) as thalassemia can affect the production of red blood cells and also affect how long the red blood cells live.
The condition is called alpha thalassemia trait; two α genes permit nearly normal production of red blood cells, but a mild microcytic hypochromic anemia is seen. The disease in this form can be mistaken for iron-deficiency anemia and treated inappropriately with iron. [3] [1] Alpha-thalassemia trait can exist in two forms: [1]
In the first months of life, fetal hemoglobin disappears and the amount of hemoglobin E increases, so the subjects start to have a mild β-thalassemia. Subjects homozygous for the hemoglobin E allele (two abnormal alleles) have a mild hemolytic anemia and mild enlargement of the spleen.
Main symptoms that may appear in anemia [20] The hand of a person with severe anemia (on the left, with ring) compared to one without (on the right). A person with anemia may not have any symptoms, depending on the underlying cause, and no symptoms may be noticed, as the anemia is initially mild, and then the symptoms become worse as the anemia worsens.
Mild thalassemia : patients with thalassemia traits do not require medical or follow-up care after the initial diagnosis is made. [2] Patients with β-thalassemia trait should be warned that their condition can be misdiagnosed for the common Iron deficiency anemia .
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