Congenital Absence of the Shaft of the Femur on Both Sides
نویسنده
چکیده
sists of deformity or defective and retarded growth, or defective ossification, of the upper half of the shaft of the femur. The radiographs in these cases reveal that the upper half of the femur is absent. But subsequent operative procedures in these cases have shown that actually there is a cartilaginous portion present, representing the upper half of the shaft of the femur. At later ages, from 20 to 25, the radiographs of such cases show evidence of partial ossification in the cartilaginous portion of the femur. Development and ossification.?Under normal circumstances the femur is developed mainly from five ossifying centres. The nucleus for the shaft of the femur appears at the 7th week of foetal life; the nucleus for the epiphysis of the lower end appears at birth; the nucleus for the head appears at about 10 to 12 months; the greater trochanter is ossified from
منابع مشابه
Congenital Absence of the Shaft of the Femur on Both Sides
Sir,?The case reported by Capt. Katdare in the June number of the Indian Medical Gazette (Congenital Absence of the Shaft of the Femur on Both Sides) is extremely interesting. In view of the rarity of the condition, it is rather depressing to read, 'The family history is of no importance\ Writers on heredity like Gates (1929), Baur, Fischer and Lenz (1931), and Snyder (1941), all agree that abs...
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