Delta-Beta Thalassemia

**Semantic type:** Disease or Syndrome

**Definition:** A form of beta thalassemia characterized by decreased or absent synthesis of both the delta- and beta-globin chains, which leads to a compensatory increase in fetal gamma-chain synthesis. This disorder results in a microcytic anemia that is clinically mild.

**Synonyms:** - Delta Beta 0 Thalassemia - Hb delta beta0 Thalassemia