A 67-year-old Caucasian male presents with thoracic back pain.
A 67-year-old Caucasian male presents with thoracic back pain. An x-ray shows a T7 vertebral fracture. On systems review, he reports some significant recent weight loss but cannot quantify this. Recent blood tests showed:
| Haemoglobin | 95 g/L (135-180g/L) |
| White Cell Count | 8.0 x10⁹L (4.0-11.0 x10⁹L) |
| C-reactive Protein | 7 mg/L (<10 mg/L) |
| Adjusted Calcium | 2.97 mmol/L (2.1-2.6 mmol/L) |
| Phosphate | 1.0 mmol/L (0.8-1.4 mmol/L) |
| ALT | 20 iU/L (3-40 iU/L) |
| ALP | 100 iU/L (30-130 iU/L) |
| Vitamin D | 51 nmol/L (>50 nmol/L) |
| Creatinine | 218 µmol/L (55-120 µmol/L) |
| Sodium | 140 mmol/L (135-145 mmol/L) |
| Potassium | 4 mmol/L (3.5 – 5.3 mmol/L) |
| Urea | 12 mmol/L (2.0-7.0 mmol/L) |
Given the most likely diagnosis, what is the next most appropriate investigation?
Select the SINGLE most appropriate option from the list below. Select ONE option only.
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