case_images: PMC8673862_01
case_images: Methoxy isobutyl isonitrile (MIBI) scintigraphy showed slight accumulation in the upper and lower left parathyroid glands and lower right parathyroid gland at 2 h compared to 15 min after administration of technetium 99 m MIBI.
case_images: 10.1177_2050313X211059002-fig1.jpg
case_images: PMC8673862_01_10.1177_2050313X211059002-fig1.jpg
case_images: fig1-2050313X211059002
case_images: Cervical echography showed hypoechoic masses of parathyroid glands in the upper left (15 mm x 7 mm x 6 mm), lower left (6 mm x 5 mm x 7 mm), and lower right (5 mm x 5 mm x 7 mm), and Tc-99 m methoxy isobutyl isonitrile (MIBI) scintigraphy showed accumulation in the same areas (Figure 1).