Table 5.
Common serum biochemistry laboratory tests and radiographic findings in calcific uremic arteriolopathy
| Laboratory Tests (68,71,74,80) | Values Seen | Normal Values | Radiographic Study | Findings (Refs.) |
|---|---|---|---|---|
| Phosphate | >5.0 mg/dl | 3.0–4.5 mg/dl | Plain x-ray | Small vascular calcificationsa (81,82) |
| Calcium | >10.0 mg/dl | 9.0–10.5 mg/dl | Net-like pattern of soft tissue calcification (82) | |
| iPTH | >300 ng/L | 12–65 ng/L | ||
| Calcium-phosphate product | >70 mg2/dl2 | <50 mg2/dl2 | CT scan | Calcified arterioles in the soft tissues as well as calcification of visceral vessels (81–83) |
| Alkaline phosphatase | >300 IU/L | 44–147 IU/L | Mammography | Soft tissue arteriolar calcificationsb (82) |
| ESR | >30 mm/h | 0–20 mm/h | ||
| CRP | >5 mg/dl | <0.5 mg/dl | Bone scan | Increased tracer uptake in affected localized areas of subcutaneous tissues (82) |
| Aluminum | >25 ng/ml | 0–6 ng/ml (nondialysis); <60 ng/ml (dialysis) | ||
| Albumin | <3.5 g/dl | 3.5–5.5 g/dl |