Case Report
Case of Hypercalcemia Secondary to Hypervitaminosis A in a 6-Year-Old Boy with Autism
Table 3
Causes of hypercalcemia.
| Parathyroid hormone-related | Primary hyperparathyroidism | Sporadic | Familial | MENI or MENII | Tertiary hyperparathyroidism | Associated with renal insufficiency | Vitamin D-related | Vitamin D intoxication | Granulomatous disease | Malignancy | Humoral hypercalcemia of malignancy | (Associated with PTHrP) | Solid tumors | Medications | Thiazide diuretics | Lithium | Milk-alkali syndrome | Vitamin A intoxication | Other endocrine disorders | Hyperthyroidism | Adrenal insufficiency | Acromegaly | Pheochromocytoma | Familial hypocalciuric hypercalcemia (FHH): | (Mutation in calcium-sensing receptor) |
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