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Article
August 25, 1978

Ankylosing Spondylitis and Hyperparathyroidism

Author Affiliations

From the Department of Medicine and Research Services, Veterans Administration Wadsworth Hospital Center, Los Angeles (Drs Bluestone, Brickman, and Goldin), Department of Medicine, University of California at Los Angeles School of Medicine, Los Angeles (Drs Bluestone, Brickman, and Goldin), and Department of Medicine, University of Southern California, School of Medicine, Los Angeles (Dr Massry).

JAMA. 1978;240(8):759-761. doi:10.1001/jama.1978.03290080049025
Abstract

An attempt was made to determine whether a relationship exists between ankylosing spondylitis (AS) and hyperparathyroidism (HP). Twenty patients with definite AS, studied for biochemical evidence of HP, did not show consistent abnormalities in serum calcium, phosphorus, alkaline phosphatase, or parathyroid hormone levels or in bone-density measurements. Reviewing roentgenograms of 39 patients with HP showed one patient with sacroiliitis, and one of the 28 hyperparathyroid patients tissue-typed as HLA B27-positive. Both AS and HP are independent entities that have no causative or pathological relationship to each other.

(JAMA 240:759-761, 1978)

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