Here we report a rare case of ectopic parathyroid adenoma located in the left submandibular area.The lesion was successfully detected and localized by the 99mTc-MIBI parathyroid scan.

• 本文报告一例位于左侧下颔下区域的异位性副甲状腺腺瘤的罕见病例，我们成功地以鎝-99m-MIBI侦测并加以定位。