Case discussions

Question 1

Hypercalcemia can cause refractory to

Answer 1

ADH (can’t concentrate maybe?)

Question 2

Differentials for hypercalcemia

Answer 2

Granulomatous
Osteolysis
Spurious (lipemia/icteric = false reading)
Hyperparathyroidism (PTH from parathyroid)
D vit D tox (Ca and P both high)
Addisons, age (young animals)
Renal (CKI - horses)
Neoplasia
Idiopathic (cats)
Temperature (hypothermia)

Question 3

Neoplasias in hypercalcemia

Answer 3

1. AGASACA
2. T-cell lymphoma
3. Thymoma
4. Multiple myeloma
   * something about PTHRP