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1 Research Fellow, Diagnostic Radiology
2 From the Department of Radiology, University of California School of Medicine, San Francisco, California
In an elderly population of 202 patients, with a mean age of 69.4 years, calcification of the triangular cartilage of the wrists was present in 5 patients (2.5 per cent). This finding was thought to be associated with degeneration of the cartilage. Since cartilage calcification in the wrists is a common finding in primary hyperparathyroidism and may occur without roentgen evidence of periosteal resorption, its presence in patients in whom parathyroid hyperfunction is suspected supports the diagnosis. If triangular cartilage calcification is noted as an incidental finding, primary hyperparathyroidism, among other conditions causing cartilage calcification, should be excluded.
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