Following examinations of testes ruled out diseased left testis and revealed an atrophic right testis, which resulted in a decrease in FDG uptake and asymmetric picture.

• 后续检查排除左侧睪丸之疾患且显示右侧为一萎缩睪丸，导致氟-18-去氧葡萄糖摄取减少，造成睪丸摄取不对称的情形。