Accessory submandibular salivary gland (ASSG) is an extremely rare variation of the submandibular salivary gland. We reported a 65-year-old man with prostate cancer underwent 68Ga-PSMA PET/CT for active surveillance. The images showed abnormal PSMA uptake adjacent to the submandibular salivary gland without abnormal activity distribution in the rest regions of the body. The lesion density was similar to that of the submandibular salivary gland. Pathological biopsy confirmed that it was an ASSG. Our case illustrates that ASSG is an addition benign cause of extraprostatic uptake of PSMA.
From the Department of Nuclear Medicine, Affiliated Hospital of Southwest Medical University/Nuclear Medicine and Molecular Imaging Key Laboratory of Sichuan Province, Luzhou, Sichuan, China.
Received for publication January 14, 2019; revision accepted February 17, 2019.
Conflicts of interest and sources of funding: none declared.
Correspondence to: Yue Chen, MD, Department of Nuclear Medicine, Affiliated Hospital of Southwest Medical University, No. 25 TaiPing St, Jiangyang District, Luzhou, Sichuan, People's Republic of China 646000. E-mail: firstname.lastname@example.org.
Online date: April 15, 2019