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Ectopic Parathyroid Adenoma on Pectoralis Major After Endoscopic Parathyroidectomy Revealed by 99mTc-MIBI SPECT/CT
1From the Nuclear Medicine Department, State Key Laboratory of Complex Severe and Rare Diseases, Center for Rare Diseases Research, Beijing Key Laboratory of Molecular Targeted Diagnosis and Therapy in Nuclear Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China.
Abstract:
A 45-year-old woman, who had endoscopic parathyroidectomy 5 years ago for a right inferior parathyroid adenoma, underwent 99mTc-MIBI scan for the evaluation of recurrent parathyroidism. The images did not identify any abnormal uptake in the neck. Instead, an abnormal activity in the right upper chest wall was noted, which was located in a soft tissue nodule inseparable from the right pectoralis major muscle on SPECT/CT images. Pathology confirmed parathyroid tissue.
