PMC4747319_01
40-year-old man with polyorchidism. Vertical ultrasonography image of normal testis (N) and extra testis (E). In this image the extra testis is situated inferiorly to the left testis. The scattered microlithiasis foci are seen as submilimetric echogenities.
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The parenchymal echogenicity of those lesions was similar to that of normal testis parenchyma (Figure 1), except for scattered macro- and microlithiasis foci.
40-year-old man with polyorchidism. The vertical color Doppler ultrasonography image of an extra testis shows similar vascularity pattern with normal testis parenchyma.
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The lesions did not show any significant or pathological vascularity in CDUSG (Figure 2).
40-year-old man with polyorchidism. The coronal T2-w eighted magnetic resonance image shows an extra testis located to the back of the penis (arrow), near the upper pole of the left testis.
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In MRI, those lesions showed the same intensity and diffusion restriction pattern with those of a normal testis in all sequences (Figures 3, 4).
40-year-old man with polyorchidism. The axial diffusion weighted magnetic resonance image of the extra testis posteriorly to the left testis. The diffusion restriction pattern of the extra testis is similar with normal testis parenchyma.
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In MRI, those lesions showed the same intensity and diffusion restriction pattern with those of a normal testis in all sequences (Figures 3, 4).