Table 1.
Results of laboratory evaluation, BMD measurement and histomorphometry
| Laboratory evaluation | Patient | Reference values |
| Calcium | 1.94 mmol/L | 2.20–2.60 mmol/L |
| Phosphate | 0.71 mmol/L | 0.70–1.40 mmol/L |
| Albumin | 35 g/L | 35–52 g/L |
| Alkaline phosphatase | 386 U/L | <120 U/L |
| 25 hydroxy vitamin D | <10 nmol/L | 25–150 nmol/L |
| 1,25 hydroxy vitamin Da | 76 pmol/L | 50–160 pmol/L |
| Parathyroid hormone (fasting) | 75 pmol/L | <11 pmol/L |
| DXA | BMD | T-score, Z-score |
| LWK (L1–L4) | 0.390 g/cm² | −6.0, −6.0 |
| Hip | 0.153 g/cm² | −6.5, −6.4 |
| Bone histomorphometry | ||
| Trabecular bone volume (%) | BV/TV = 37.48% | |
| Osteoid (%) | OV/BV = 75.07% | |
| Trabecular thickness | 261 μm | |
| Osteoid thickness | 98.5 μm | |
aAfter initiating vitamin D therapy