BONY ATROPHY AFTER MEGA TOTAL HIP-REPLACEMENT FOR BONE-TUMORS - 11 CASES FOLLOWED FOR 3-15 YEARS

We followed 11 patients 3-15 years after a cemented mega total hip rep lacement for a proximal femoral bone tumor, 7/8 survivors had good fun ction and only occasional pain. 1 hip had been revised because of deep infection and in 1 case the cup had been exchanged because of aseptic loosening. 2 patients had been operated on because of local recurrenc e of the tumor. At follow-up, 1 patient had radiographic signs of loos ening of the stem after 7 years. There was in 8 cases a pronounced ath ropy of the femoral cortical bane, not correlated to loosening of the stem.