Case Report

Persistent Primary Hyperparathyroidism, Severe Vitamin D Deficiency, and Multiple Pathological Fractures

Table 1

Laboratory test at hospitalization and follow-up after surgery.

Laboratory testReference rangeBaseline8 days after surgeryOne month after surgery

Urea (mg/dL)10.0–50.0 mg/dL599396
Creatinine (mg/dL)0.4–1.2 mg/dL2.41.271.49
Calcium (mg/dL)8.4–10.2 mg/dL146.88.2
Phosphorus (mg/dL)2.7–4.5 mg/dL2.32.13.5
Magnesium (mg/dL)1.6–2.6 mg/dL2.21.11.8
Alkaline phosphatase (UI/L)40–129 UI/L15801297910
PTH (pg/mL)10–65 pg/mL164837.337.6
Vitamin D (ng/mL)Deficiency < 10 mg/mL
Insufficiency 10–30 mg/dL,
Sufficiency 30–100 mg/dL
Toxicity > 100 mg/dL
41517

PTH, parathyroid hormone.