Table 2.

Difference in Parathyroid Disorders in Tropical Countries

1.Symptomatic hyperparathyroidism is still seen in tropical countries, unlike the West, where asymptomatic hyperparathyroidism is more common
2.Higher calcium and parathyroid hormone levels are found in tropics
3.Higher prevalence of vitamin D deficiency in the tropics
4.Intraoperatively a larger tumor/gland size in the tropics is usually observed
5.Brown tumors and severe bone diseases seen in the tropics are rare in the West

From: Metabolic Bone Disease in the Tropics

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