Beta-thalassemia

Beta-thalassemia (BT) is characterized by deficiency (Beta+) or absence (Beta0) of synthesis of the beta globin chains of hemoglobin (Hb).

Acanthocytosis

Acanthocytosis is a type of poikilocytosis characterized by the presence of spikes on the cell surface. The cells have an irregular shape resembling many-pointed stars.


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PMID (PMCID)
2787138
 MALE Adult
Angioid streaks associated with abetalipoproteinemia.
Dieckert JP, White M, Christmann L, Lambert HM.
Ann Ophthalmol. 1989;21(5):173-5, 179.
Angioid streaks have now been described in hereditary spherocytosis, beta thalassemia, alpha thalassemia, sickle cell anemia, and acanthocytosis secondary to abetalipoproteinemia and hypobetalipoproteinemia.