A Case Report of Congenital Shortening of the Quadriceps Muscle in a Child

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A boy, two years and nine months old, was examined because of abnormal gait with stiffness of the right knee.The child was born two weeks earlier than the expected terminal. Bougie was used at delivery because of mother's toxemia. The boy's weight was 4100 gram at birth. His development was normal and there was no history of injury or inflammation after birth. His mother noticed of a limitation of flexion in his right knee, when the baby started walking after fifteen months. On examination, the boy was healthy in general, but the range of flexion was from 180 degree to 155 degree in his right knee. Further forced flexion caused to increase the physiological lumbarlordosis and painless tenseness in his quadriceps muscle. No shortening of the leg or muscle atrophy of the thigh region was noticed. His hip and knee was normal on radiogram. Surgical treatment was initiated, as symptomatic therapy was ineffective. Anteromedial incision of the right thigh was made, followed by an incision of the quadriceps muscle. By the modified Putti's method, both tendo m. recti femoris and tendo m. vastus medialis were lengthened by 2.5 cm. The treated lesion was immobilized in a plaster in the position of extension of the hip joint and 110 degree flexion of the knee joint. The plaster was removed off at the eighteenth day following operation. The result of the operation was good and the gait became normal, none of disturbances were observed in his daily life.
西日本整形・災害外科学会の論文

A Case Report of Congenital Shortening of the Quadriceps Muscle in a Child

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