Fig. 1From: The value of contrast-enhanced ultrasonography in the diagnosis of primary testicular non-neoplastic and neoplastic lesions in adultsTesticular spontaneous hematoma. A Contrast-enhanced ultrasonography showed no enhancement in the mass and a diagnosis of spontaneous hematoma was made. B Conventional ultrasound showed that the right testis had clear boundary and irregular hypoecho. Because there was no history of trauma, this was considered to be malignant tumorBack to article page