Three Cases of Tibia Vara (Blount's Disease)

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In 1937, W. P. Blount called attention to a disease which he called osteochondrosis deformans tibiae or tibia vara.This disease is characterized by a disturbance of growth localized to the medial part of the proximal end of the tibia.The condition was grouped by Blount into an infantile type which occurred in the first year or so of life, and an adolecent type which appeared between six and thirteen.We experienced three patients of tibia vara.In all three patients there was the same abrupt angulation in the upper end of the tibia.Case I. male, aged sixteen. The deformity closely followed a trauma of football at twelve years of age.The left leg was two centimeter shorter than the right.He walked with a considerable limp on the left.Case II. female, aged one and one-half years. Both legs were bowed a eleven months when she started to walk. After three months the bowing had become much exaggerated on the right.The family history was negative.Case III. male, forty years, had belateral involvement.This deformity had been noted when the patient was seven years of age, and had gradually exaggerated.There had been pain the knee for one year.There was the same deformity in the family tree.
西日本整形・災害外科学会の論文