Mrs. D, 48yo with severe constipation with Calcium level of 11.2

DDx

Primary Hyperparathyroidism

Vitamin D intoxication

Malignancy - Parathyroid adenoma, metastasis

MEN syndrome

Malabsorption Disease

PE Findings

Mild bone pain

Decreased DTR's

Muscle weakness and atrophy

Abdominal pain, nausea and/or vomiting

Fatigue

Shortened QT intervals

Treatment

Endocrinology consult!

Surgical Exploration +/- Partial Parathyroidectomy

pt meets criteria for surgery

Other Questions to ask the patient

Any bone pain, muscle weakness or muscle pain?

Any heart palpitations?

Are you feeling tired or depressed lately?

Are you having headaches or feeling
like you've had memory changes?

Additional Labs and Results

Serum: Hypercalcemia, Hypophosphatemia, Low 20(OH) Vitamin D

Urine: Hypercalciuria, Hyperphosphauria

PTH - increased PTH

PTHrP - increased in malignancy

XR - decreased bone density or normal

DEXA - osteoporosis

EKG - shortened QTi, Tall T waves, bradyarrythmias

Treatment complications

Hypoparathyroidism

Recurrent Laryngeal nerve injury

Chronic Hypocalcemia needing lifelong
supplementation of Ca2+ and Vitamin D