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==History== | ==History== | ||
* As in any other chronic hemolytic states, the signs and symptoms of hereditary spherocytosis (HS) include mild pallor, intermittent jaundice, and splenomegaly. However, signs and symptoms are highly variable. Anemia or hyperbilirubinemia may be of such magnitude as to require exchange transfusion in the neonatal period. The disorder also may escape clinical recognition altogether. Anemia usually is mild to moderate, but is sometimes very severe and sometimes not present. | * As in any other chronic hemolytic states, the signs and symptoms of hereditary spherocytosis (HS) include mild [[pallor]], intermittent [[jaundice]], and [[splenomegaly]]. However, signs and symptoms are highly variable. [[Anemia]] or [[hyperbilirubinemia]] may be of such magnitude as to require [[exchange transfusion]] in the neonatal period. The disorder also may escape clinical recognition altogether. [[Anemia]] usually is mild to moderate, but is sometimes very severe and sometimes not present. | ||
* Children diagnosed early in life usually have a severe form of HS that results in their early presentation. Jaundice is likely to be most prominent in newborns. The magnitude of hyperbilirubinemia may be such that exchange transfusion is required. Approximately 30-50% of adults with HS had a history of jaundice during the first week of life. Recognition of HS as a potential cause of neonatal anemia and hyperbilirubinemia and institution of prompt treatment may reduce the risk of bilirubin-induced neurologic dysfunction in these patients. | * Children diagnosed early in life usually have a severe form of [[Hereditary spherocytosis|HS]] that results in their early presentation. [[Jaundice]] is likely to be most prominent in newborns. The magnitude of [[hyperbilirubinemia]] may be such that [[exchange transfusion]] is required. Approximately 30-50% of adults with [[Hereditary spherocytosis|HS]] had a history of [[jaundice]] during the first week of life. Recognition of HS as a potential cause of neonatal [[anemia]] and [[hyperbilirubinemia]] and institution of prompt treatment may reduce the risk of bilirubin-induced neurologic dysfunction in these patients. | ||
* Beyond the neonatal period, jaundice rarely is intense. Icterus is intermittent and may be triggered by fatigue, cold exposure, emotional distress, or pregnancy. An increase in scleral icterus and a darker urine color commonly are observed in children with nonspecific viral infections. Adults who remain undiagnosed usually have a very mild form, and their HS remains undetected until challenged by an environmental stressor. | * Beyond the [[neonatal]] period, [[jaundice]] rarely is intense. [[Icterus]] is intermittent and may be triggered by [[fatigue]], cold exposure, emotional distress, or pregnancy. An increase in scleral icterus and a darker urine color commonly are observed in children with nonspecific viral infections. Adults who remain undiagnosed usually have a very mild form, and their HS remains undetected until challenged by an environmental stressor. | ||
* Gallstones of the pigment type, resulting from excess unconjugated bilirubin in bile, may be found in very young children, but the incidence of gallstones increases markedly with age. In patients with mild HS, cholelithiasis may be the first sign of an underlying red cell disorder. | * Gallstones of the pigment type, resulting from excess unconjugated bilirubin in bile, may be found in very young children, but the incidence of gallstones increases markedly with age. In patients with mild HS, cholelithiasis may be the first sign of an underlying red cell disorder. | ||
Revision as of 17:22, 16 July 2018
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
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Overview
History
- As in any other chronic hemolytic states, the signs and symptoms of hereditary spherocytosis (HS) include mild pallor, intermittent jaundice, and splenomegaly. However, signs and symptoms are highly variable. Anemia or hyperbilirubinemia may be of such magnitude as to require exchange transfusion in the neonatal period. The disorder also may escape clinical recognition altogether. Anemia usually is mild to moderate, but is sometimes very severe and sometimes not present.
- Children diagnosed early in life usually have a severe form of HS that results in their early presentation. Jaundice is likely to be most prominent in newborns. The magnitude of hyperbilirubinemia may be such that exchange transfusion is required. Approximately 30-50% of adults with HS had a history of jaundice during the first week of life. Recognition of HS as a potential cause of neonatal anemia and hyperbilirubinemia and institution of prompt treatment may reduce the risk of bilirubin-induced neurologic dysfunction in these patients.
- Beyond the neonatal period, jaundice rarely is intense. Icterus is intermittent and may be triggered by fatigue, cold exposure, emotional distress, or pregnancy. An increase in scleral icterus and a darker urine color commonly are observed in children with nonspecific viral infections. Adults who remain undiagnosed usually have a very mild form, and their HS remains undetected until challenged by an environmental stressor.
- Gallstones of the pigment type, resulting from excess unconjugated bilirubin in bile, may be found in very young children, but the incidence of gallstones increases markedly with age. In patients with mild HS, cholelithiasis may be the first sign of an underlying red cell disorder.
- A family history of HS may be present, or the patient may report a history of a family member having had a splenectomy or cholecystectomy before the fourth decade of life. A history of family members with cholelithiasis in the second or third decade of life is also a clue to the possible presence of HS.
Symptoms
Symptoms of hereditary spherocytosis include:
- Yellowing of the skin and eyes (jaundice)
- Pale coloring (pallor)
- Fatigue
- Irritability
- Shortness of breath
- Weakness