Technetium MIBI uptake by the thyroid gland at 20 minutes is reduced. An area of focal increased tracer concentration noted at the level of lower pole of right lobe of thyroid.
Delayed 2 hour image shows adequate washout of tracer from both lobes of thyroid gland; however, there is persistent tracer holdup at the level of lower pole of right lobe of thyroid.
IMPRESSION: Scan features are suggestive of parathyroid adenoma at the level of lower pole of right lobe of thyroid gland.