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Beta thalassemia minor can also present as beta-thalassemia silent carriers; those who inherit a beta thalassemic mutation but have no hematologic abnormalities or symptoms. [ 20 ] Individuals with thalassemia thalassemia major and intermedia (to a lesser extent) are susceptible to health complications that involve the spleen (hypersplenism ...
Hemoglobin E/ beta thalassemia: common in Cambodia, Thailand, and parts of India, it is clinically similar to β thalassemia major or β thalassemia intermedia. [ 60 ] Hemoglobin S/ beta thalassemia : common in African and Mediterranean populations, it is clinically similar to sickle-cell anemia .
The Mentzer index, described in 1973 by William C. Mentzer, [1] is the MCV divided by the RBC count. It is said to be helpful in differentiating iron deficiency anemia from beta thalassemia trait.
Normal levels range from 2.1-3.2%, but in the beta-thalassemia disorder, the levels increase to 3.5-6.0%. Additionally, individuals with beta-thalassemia exhibit a high red cell count and low hemoglobin levels. [3] Individuals that express lower levels of hemoglobin A2, have the a 0-thalassemia trait or homozygous gene for a +-thalassemia. [2]
Hemoglobin E/ beta thalassemia: common in Cambodia, Thailand, and parts of India, it is clinically similar to β thalassemia major or β thalassemia intermedia. [34] Hemoglobin S/ beta thalassemia: common in African and Mediterranean populations, it is clinically similar to sickle-cell anemia. [35] Delta-beta thalassemia is a rare form of ...
Beta thalassemia minor results in a mild microcytic anemia that is often asymptomatic or may cause fatigue and or pale skin. Beta thalassemia major occurs when a person inherits two abnormal alleles. This can be either two β+ alleles, two β0 alleles, or one of each. Beta thalassemia major is a severe medical condition.
Alpha-thalassemia (α-thalassemia) is defined by a lack of α-globin chain production in hemoglobin, and those who carry a mutation impacting the α-globin chain on only one chromosome are considered to have a “silent” α-thalassemia whereas, if the mutation is on both then it is considered an α-thalassemia trait.
Patients with thalassemia gradually accumulate high levels of iron (Fe) in their bodies. This build-up of iron may be due to the disease itself, from irregular hemoglobin not properly incorporating adequate iron into its structure, or it may be due to the many blood transfusions received by the patient.
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