X-linked sideroblastic anemia
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Dados do National Institutes of Health
| X-linked sideroblastic anemia : X-linked sideroblastic anemia belongs to a group of disorders that are characterized by a shortage of healthy red blood cells (anemia). X-linked sideroblastic anemia prevents developing red blood cells from making enough hemoglobin, which is the protein that carries oxygen in the blood. People with X-linked sideroblastic anemia have red blood cells that are smaller than normal (microcytic) and appear pale (hypochromic) because of the shortage of hemoglobin. This disorder also leads to an abnormal accumulation of iron in red blood cells. The iron-loaded red blood cells, which are present in bone marrow, are called ring sideroblasts. The signs and symptoms of X-linked sideroblastic anemia are caused by a combination of too little hemoglobin and too much iron. Common signs and symptoms include extreme tiredness (fatigue), dizziness, a rapid heartbeat, pale skin, and an enlarged liver and spleen (hepatosplenomegaly). Over time, severe health problems such as heart disease and liver damage (cirrhosis), can result from the buildup of iron in these organs. Males with X-linked sideroblastic anemia typically have the classic signs and symptoms of the condition, while females tend to be less severely affected. Females with X-linked sideroblastic anemia usually develop features of the condition in mid to late adulthood, while affected males often first experience symptoms in adolescence to early adulthood. | |
| Review Date: 19/09/2025 | Updated By: |