PMC4168838_01
Mass in the left upper renal pole (T2-weighted MR image) with a size of 48x48x33 mm having a diffusely heterogeneous structure.
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A 3-T magnetic resonance imaging (MRI) of the adrenal glands presented a heterogeneously enhancing mass measuring 48x48x33 mm in the left apical renal pole in contact with the adrenal gland ( Figure 1).
Specimen with adjacent part of left adrenal gland after retroperitoneoscopically performed tumor enucleation.
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The adrenal gland was removed en bloc with the mass ( Figure 2).
Histopathology section showing diffuse proliferation of oncocytes (Haematoxyline-eosin staining, magnification 200x).
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Histopathological examination (haematoxyline-eosin) of the specimen revealed an oncocytic adrenocortical adenoma that arose from the heterotopic intrarenal adrenal tissue ( Figure 3).