What is Genu valgum, St Helena familial?
• Genu valgum, St Helena familial: A severe inherited form of knock-knees. Genu valgum, St Helena familial is listed as a “rare disease” by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH). This means that Genu valgum, St Helena familial, or a subtype of Genu valgum, St Helena familial, affects less than 200,000 people in the US population.