PMC6944974_01
Enhanced magnetic resonance images (MRI) of the abdomen and pelvis with gadolinium. (a) Coronal view of an in-phase T1-weighted image identifying a large suprarenal mass measuring around 7.3 x 6.5 x 6 cm occupying the space of the right adrenal gland, showing a significant rim enhancement with marked vascularity. (b) Coronal view of a T2-weighted image identifying the similar right suprarenal mass with heterogeneous component inside it, possessing various signal intensities.
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T2-weighted and predominately decreased signal on T1-weighted images, and no appreciable signal drop on the out-of-phase images. The lesion appeared inseparable from the lateral limb of the right adrenal gland and remained separate from the upper edge cortex of the right kidney (Figure 1). Intraoperatively, the adrenal was noticeably friable and tended to bleed on minimal manipulation, which was expected from the preoperative imaging done (Figure 1).
Histopathological images of an adrenal cavernous hemangioma cross section, showing dilated capillaries with capsule and significant fibrosis on Hematoxylin and Eosin (H&E) staining (a). Magnified image showing red blood cells inside dilated capillaries (b), divided by thick fibrous septa (c).
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Histologically, the tumor was proven to be a hemorrhagic cavernous hemangioma (Figure 2).