Causes of Hypercalcemia due to increased Vitamin D levels
 • The BIG 3:
    - Lymphoma
    - Sarcoidosis
    - Tuberculosis
 • Fungal Infections: Pneumocystis jiroveci, Histoplasmosis, Coccidioidomycosis, Paraccocidioidomycosis, Candidiasis
 • Other granulomatous diseases: PR3+ vasculitis, Crohn's disease, Acute granulomatous pneumonia, Talc granuloma, Silicone-induced granuloma, BCG-associated granulomatous hepatitis, Paraffin-associated granuloma
 • Genetic: Williams syndrome, Pseudoxanthoma elasticum, CYP24A1 mutation (adult / infantile), SLC34A1 mutation
 • Miscellaneous: Excessive vitamin D ingestion, Mycobacterium avium, Leprosy, Lipoid pneumonia, Cat scratch fever, Berylliosis

Dr. Jamie Willows @jamiekwillows

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