We present a 36-year-old premenopausal woman with a left ovarian endometrioma that presents a photopenic defect on the FDG-PET scan.

• 我们报告一例36岁停经前女性诊断为左侧卵巢子宫内膜瘤，其在正子摄影的表现为一放射缺损区域。