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Neurology. 2013 May 28;80(22):2079. doi: 10.1212/WNL.0b013e318294b40f.

Adult osteomalacia: a treatable cause of "fear of falling" gait.

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Department of Neurology, University of Turin, Italy.


A 65-year-old man was hospitalized with a gait disorder, obliging him to shuffle laterally(1) (video on the Neurology Web site at because of pain and proximal limb weakness. He had a gastrectomy for cancer 7 years previously, with severe vitamin D deficiency; parathormone and alkaline phosphatase were increased, with reduced serum and urine calcium and phosphate. There was reduced bone density (figure). He was mildly hypothyroid and pancytopenic. B12 and folate levels were normal. Investigation for an endocrine neoplasm (CT scan, Octreoscan) was negative. EMG of proximal muscles was typical for chronic myopathy; nerve conduction studies had normal results.

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