Pathological processes of the testis are very frequently found, and include non-tumoral and tumoral lesions. Ultra-sonography performed with a high-frequency transducer has become the imaging modality of choice for examination of these organs. This method is of help to improve intratesticular lesions characterization, and in many instances the findings suggest a more specific diagnosis, especially in the presence of similar clinical manifestations such as pain, swelling and local increase in volume. Color Doppler is an invaluable tool for demonstrating anomalous patterns of testicular perfusion and aids in the diagnosis of acute clinical conditions. In the present iconographic essay, the authors summarize the most frequent clinical, pathological findings as well as the main diagnostic features of benign intratesticular lesions such as microlithiasis, simple cysts, spermatocele, varicocele, tubular ectasia of the rete testis, orchitis, hematomas and more rare conditions. Familiarity with clinical and sonographic features is essential for the correct diagnosis and starting of the most effective therapy, as necessary.

Keywords: Testis, Benign testicular lesions, Ultrasonography, Color Doppler