Case Report
Hypophosphatemic Rickets in Siblings: A Rare Case Report
Table 1
Depicting the laboratory investigations of both the siblings.
| Serial number | Investigation | Normal levels | Levels in Case 1 | Levels in Case 2 |
| 1 | Serum inorganic phosphorus | 4.5–5.5 mg/dL | 3 mg/dL | 2.8 mg/dL | 2 | Serum alkaline phosphatase | 100–644 IU/L | 1143 IU/L | 1378 IU/L | 3 | Vitamin D |
20–50 ng/mL | 15 ng/mL | 12 ng/mL | 4 | Serum chloride | 98–106 mMol/L | 113 mMol/L | 89 mMol/L | 5 | Serum potassium | 3.4–5.2 mMol/L | 3.2 mMol/L | 2.5 mMol/L | 6 | Serum bicarbonate | 19–25 mMol/L | 15 mMol/L | 11 mMol/L | 7 | Serum calcium | 8.8–10.8 mg/dL | 9.1 mg/dL | 7.3 mg/dL |
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