A 36-year-old woman with multiple comorbidities sustains a pseudofracture of the left hip after falling from the curb to the ground. She does not drink or smoke. Serum studies show:
Calcium 7.2 mg/dL
Phosphorus 9 mg/dL
Creatinine 3.1 mg/dL
Alkaline phosphatase 400 U/L
Which of the following is most contributory to this patient’s fracture?
Hypomagnesemia
Metastases
Osteitis deformans (Paget disease)
Osteomalacia
Parathyroid adenoma
