Presentation
Testicular pain.
Patient Data
Age: 65 years
Gender: Male
Well-defined mass-like lesion expanding the left testicle. The lesion is hypoechoic and shows preserved testicular vascularity throughout. Small left hydrocele. The right testicle and the epididymis are normal.
18F-FDG PET-CT
Selected image from the PET CT showing marked uptake within the left testicle.
Case Discussion
This patient had confirmed diffuse large B-cell lymphoma(DLBCL), which accounts for the majority (~80%) of testicular lymphoma cases.