Hypercalcemia can occur in the context of several granulomatous diseases including: Sarcoidosis, Wegener’s granulomatosis, Silicosis, Berylliosis, Tuberculosis, Fungal granulomas and lymphomas.
WHY? Due to pathological up regulation of the conversion of:
Calcidiol (25-hydroxyvitamin D) —> Calcitriol (1,25-(OH2)D3) via 1-hydroxylase
by activated macrophages within the pulmonary parenchyma and granulomatous inflammation.
RESOURCES
Obstructive sleep apnea (OSA) is thought to lead to secondary polycythemia due to intermittent hypoxia,…
Catabolism of hemoglobin leads to the release of heme, which converts to biliverdin and then…
Tongue scalloping refers to the series of indentations along the sides of the tongue that…
Older age is recognized as a risk factor for obstructive sleep apnea.[1] But why? Suspected…
Being overweight (BMI ≥ 25 kg/m2)/Obese (BMI ≥ 30 kg/m2) is one of the most…
Nocturia is a common symptom associated with obstructive sleep apnea. [1] Img Cred: Am J…
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