PMC4485692_01
MRI examination. A solid mass (white arrow) at the left of the pelvis is detected in a T1 weighted coronal MR image. The mass is slightly hyperintense to adjacent muscles. The surrounding fat tissue is heterogeneous and the lymph node (short arrow) is seen adjacent to the mass. The rectum (star) is displaced to the right.
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Pelvic magnetic resonance imaging (MRI) demonstrated a 4.5 x 4 x 4 cm solid mass in the left adnexa, but did not provide additional information (Fig. 1).
Macroscopic appearance of the mass. Spherical, firm, and pinkish mass, 5.5 x 5 x 5 cm.
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Macroscopic analyses showed a pinkish, clear, 5.5 x 5 x 5 cm mass with a smooth surface (Fig. 2).
White and red pulp of splenic tissue (Hematoxylin & Eosin, x10).
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Microscopic analyses showed normal splenic red and white pulp components in a 5:1 ratio, including lymphoid follicles with germinal center formation (Fig. 3).