Parathyroid – Parathyroids are tiny glands located near the thyroid gland. In majority of population, these are 4 in numbers, located 2 on either side. Their tumors lead to hyper-parathyroidism, with patients developing bone weakness, renal stones, urinary infections, pancreatitis, generalized body weakness, hypertension and cardiomyopathy. The treatment is identification and surgical removal of the offending gland.