Fig. 1From: Nonpalpable testicular pure seminoma with elevated serum alpha-fetoprotein presenting with retroperitoneal metastasis: a case reporta Computed tomography shows a retroperitoneal tumor located between the aorta and the inferior vena cava. The size of the tumor (arrowheads) was 52×36×31 mm, and the testicular tumor was not detected in computed tomography. b Ultrasound examination revealed a tiny low echoic tumor (arrowheads) and a low echoic mosaic pattern around the tumor. c Microcalcifications of various sizes around the tumor were detected in ultrasound (arrows)Back to article page