147 Testicular Lymphoma

Clinical Presentation

A 65-year-old man with a known history of lymphoma presents with a painless enlargement of his right testis.

Fig. 147.1 (A–C) Ultrasound images of the right scrotum show an enlarged right testicle with an ill-defined hypoechoic lesion involving the testicular parenchyma and associated with increased Doppler flow.

Radiologic Findings

Ultrasound images of the right scrotum (Fig. 147.1) show an enlarged right testicle with an ill-defined hypoechoic lesion involving the testicular parenchyma and associated with increased Doppler flow.

Diagnosis

Testicular lymphoma

Differential Diagnosis

Testicular hematoma
Sarcoidosis
Tuberculosis
Orchitis
Segmental infarct of the testis
Testicular metastases
Seminoma

Discussion

Background

Testicular lymphoma constitutes 1 to 9% of all testicular tumors and is the most common tumor in men between the ages of 60 and 80. Bilateral involvement is rare.