Table 1.
Clinical and biochemical details—laboratory values given in parentheses
| Age (years) | Gender | Duration between start of symptoms and final diagnosis | Location of phosphaturic mesenchymal tumor | Serum calcium (normal 8.6–10 mg/dl) | Serum phosphorus (normal 2.7–4.5 mg/dl) | Serum parathormone (normal 8–24 pg/ml) | Serum FGF23 (normal 5–195 RU/ml) | |
|---|---|---|---|---|---|---|---|---|
| Case 1 | 19 | Male | 2 years | Chest wall | Low (8.4) | Low (0.8) | High (36.7) | High (865.4) |
| Case 2 | 50 | Female | 6 years | Web space between fourth and fifth toes of right foot | Low (8.4) | Low (1.8) | High (154.4) | High (580.6) |
| Case 3 | 49 | Male | 15 years for primary; 2 years for recurrence | Right hand index finger (primary); left ethmoid sinus (recurrence) | Normal (9.2) | Low (2.4) | Normal (15.5) | High (3087) |
| Case 4 | 53 | Male | 20 years | Right acetabulum | High (10.3) | Low (2.3) | Normal (20.2) | High (1021) |
| Case 5 | 38 | Male | 38 years | Right hand index finger | Normal (9) | Normal (3.2) | Not done | Not done |
| Case 6 | 53 | Male | 2 years | Pleura/chest wall | Low (8.2) | Low (2.0) | High (152.6) | High (930) |