Case Report
The Foot That Broke Both Hips: A Case Report and Literature Review of Tumor-Induced Osteomalacia
Table 2
Laboratory tests recommended in cases of suspected TIO.
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 |  | Serum phosphorus |  | Serum calcium |  | 25-Hydroxyvitamin D |  | 1,25-Dihydroxyvitamin D |  | Parathyroid hormone |  | Alkaline phosphatase (bone-specific form if available) |  | 24-hour urine collection for phosphorus, calcium, and creatinine |  | Fibroblast growth factor 23 |  | Serum protein electrophoresis and immunofixation |  | Urine monoclonal proteins, kappa and lambda chains |  | 
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