PMC7968547_01
The abdomen CT (A), abdomen MRI (B), and endoscopic ultrasonography (C and D) of
Brunner's gland adenoma in this case. (A) Implied a uniform soft tissue
mass shadow in the descending duodenum. (B) Revealed a significant thickening of
the wall of the duodenal bulb and descending duodenum. (C and D) Demonstrated that
there was a protrusion lesion with a clear boundary, smooth surface, and color
signals in bulb duodenum.
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Abdomen computed tomography (CT, Figure 1A) showed a 32 mm x 22 mm soft tissue mass shadow with homogeneous density in the descending duodenum, which was protruding into the duodenal lumen. Upper abdomen magnetic resonance imaging (MRI, Figure 1B) revealed a significant thickening of the wall of the duodenal bulb and descending duodenum. Endoscopic ultrasonography (Figure 1C and D) demonstrated that there was a protrusion in the duodenal bulb of about 26 x 18 mm in size with a clear boundary, smooth surface, and irregular shape and the base being about 17 mm, color signals abound.
The pathology of this case. It revealed multiple Brunner's glands with
tubes, fibers, and smooth muscle diffuse distribution.
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The pathological result (Figure 2) of the mass revealed multiple Brunner's glands with tubes, fibers, and smooth muscle diffuse distribution.