PMC9108264_01
CT of the abdomen and pelvis with intravenous and oral contrast material. (A) Axial view showing the tumor in the 4th part of the duodenum (see arrow) involving the hilum of the left kidney. (B) Coronal view showing evident small bowel obstruction and gastric outlet obstruction.
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A computed tomography (CT) of the abdomen and pelvis ( Figure 1 ) revealed a large mass (5.3x3.9cm) with extensive regional lymphadenopathy deriving from the fourth part of the duodenum.
Endoscopic image of the tumor.
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Second endoscopy was performed, which identified an intralumenal large mass between the third and fourth part of the duodenum ( Figure 2 ).
H&E stain X100. Arrow points mucin producing malignant cells.
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Biopsies were taken and histopathology examination disclosed mucinous adenocarcinoma of the duodenum ( Figure 3 ).
Restaging CT.
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The CT demonstrated extreme gastric dilation, with no significant change in the tumor location and size ( Figure 4 ).