PTH and adenoma: Comparing the success rates of the Methoxyisobutylisonitrile parathyroid scintigraphy (MIBI) tests, parathyroid Ultrasonography (USG) and PTH of internal jugulars in relation to location of adenoma laterality, we observed MIBI as localizer in 89.65% of the cases followed by the Jugular PTH with 75.86% and USG with 44.82%.