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Current problems in haematology. 2: Hereditary spherocytosis.

Hereditary spherocytosis is a relatively common haematological disorder and will be encountered by all haematologists. The abundance of new information, dealing principally with molecular and genetic aspects of pathophysiology, is beginning to have implications for its investigation and management. While these advances have not yet exerted a large influence at therapeutic level, the promise of such advents as prenatal diagnosis make this an exciting field to watch.