Pseudoxanthoma elasticum laboratory findings
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Ayokunle Olubaniyi, M.B,B.S [2]
Overview
Many laboratory tests that could be done to assess complications include:
- CBC - To screen for iron deficiency anemia.
- Fecal occult blood test to evaluate gastrointestinal bleeding.
- Urinalysis to screen for hematuria.
- Serum lipid levels - Pseudoxanthoma elasticum is associated with precocious atherosclerosis and elevated lipid levels should be treated aggressively.
- Serum calcium and phosphate levels - These are usually in the reference range in pseudoxanthoma elasticum, but hypercalcemia and hyperphosphatemia have been reported.
- Genetic testing - Mutations can be detected in 55-83% of patients with pseudoxanthoma elasticum.