Hypoparathyroidism

Etiology

Thyroidectomy
Hypomagnesemia
Parathyroid adenoma removal
DiGeorge's syndrome (with congenital cardiac defects and facial anomalies)
Heavy metals: Wilson's disease, hemochromatosis, transfusion hemosiderosis
Other: granulomas, autoimmune, Riedel's thyroiditis, tumor, infection, irradiation

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