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Renal osteodystrophy is of major concern to patients with chronic renal disease undergoing long-term maintenance hemodialysis. Detected early, this metabolic bone disease can be arrested, reversed and even healed by performing subtotal parathyroidectomy or, as stressed in recent studies, by changing the calcium content of the dialysate solution.
Early detection of renal osteodystrophy, by demonstrating roentgenographic changes in the phalanges, has been tried by others, with good correlation, particularly with bone biopsies.
A new, simplified direct magnification technique for digital roentgenography is proposed, together with magnification digital roentgenographic staging of renal osteodystrophy.
Twenty-three hemodialyzed patients have been studied by this technique. Renal osteodystrophy was demonstrated in 95.8 per cent of the cases: 74.0 per cent with osteomalacia; and 21.8 per cent with osteitis fibrosa.
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