Fig. 2From: Case report: coexistence of primary hyperparathyroidism with giant toxic nodular goiter30 min after intravenous injection with 99mTc-MIBI showing an enlarged right lobe of thyroid and a slight hyperactive zone in the middle and lower part. 2 h later, there was persistent radioactive focal in the middle and lower part of right lobe. A SPECT scan revealed an enlarged thyroid gland in the right lobe, with a focal area (7.2 × 8 mm) in the middle and lower partBack to article page