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Click 27 year old male with testicular adrenal rest tumors.
Contrast enhanced axial CT in the portal venous phase shows bilateral, symmetric enlargement of the adrenal glands. Technique: CT (Siemens Somatom) mA 380, kV 120, slice thickness 5 mm, 150 ml Isovue-300 IV contrast, portal venous phase.

Click 27 year old male with testicular adrenal rest tumors.
Axial T2 weighted MR image shows heterogeneous, coalescent masses that occupy the majority of the testes. A small portion of the uninvolved hyperintense background testicular parenchyma is seen. Technique: 1.5 Tesla MRI (Siemens Avanto) TR/TE 5750/86, 5 mm slice thickness, non-contrast.

Click 27 year old male with testicular adrenal rest tumors.
Coronal T2 weighted MR image shows heterogeneous, coalescent masses that are hypointense relative to the background testicular parenchyma. The base of the penis is seen on this image. Technique: 1.5 Tesla MRI (Siemens Avanto) TR/TE 5750/86, 5 mm slice thickness, non-contrast.

Click 27 year old male with testicular adrenal rest tumors.
Unenhanced axial T1 weighted MR image without fat saturation shows diffuse heterogeneity throughout both testes which contain discrete hyperintense foci. However, the outer tumor margins are not well visualized. Technique: 1.5 Tesla MRI (Siemens Avanto) TR/TE 514/17, 5 mm slice thickness, non-contrast.

Click 27 year old male with testicular adrenal rest tumors.
Axial T1 weighted MR image with fat saturation following intravenous gadolinium administration shows avidly enhancing masses within both testes. A small portion of uninvolved testicular parenchyma is seen. Technique: 1.5 Tesla MRI (Siemens Avanto) TR/TE 514/15 with fat saturation, 3 mm slice thickness following 2 ml/kg Multihance, late arterial phase.