PMC7597559_01
Male, 58 years old, esophageal angiography showed some irregular filling defects with clear edges in the middle esophageal segment, and the tumor surface was irregular with niche signs.
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The digestive tract barium meal imaging (Figure 1) showed some irregular filling defects with clear edges in the middle esophageal segment, and the tumor surface was irregular with niche signs.
PMC7597559_02
Male, 68 years old; filling defects at the lower esophageal segment, and the barium agent was coated nonuniformly, and the lesion expanded to the upper segment.
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The digestive tract barium meal imaging displayed (Figure 2) some filling defects at the lower segment of the esophagus, and the barium agent was coated nonuniformly, showing "ring signs," but it stopped when the barium agent passed, without evident obstruction, and the lesion expanded to the upper segment.
PMC7597559_03
Male, 63 years old. CT plain scan (Figure 3) showed a low-density soft tissue mass growing intracavitarily, with unclear boundary and uneven edges. Uniform persistent reinforcement occurred at the arterial phase (Figure 4) and venous phase (Figure 5). The reinforcement was more obvious in the center than in the periphery. The boundary between the tumor and the right posterior esophageal walls was unclear, and local Hampton lines were thickened and interrupted (black arrow). Coronal (Figure 6) and sagittal (Figure 7) reconstruction displayed a short pedicle at the right posterior was connected with the esophageal walls (black arrow), and multiple slightly-enlarged lymph nodes (white arrow) were found under the mediastinal jugum.
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No superficial enlarged lymph node was found in the whole body, and no special change occurred in the heart, lungs, or abdomen (Figures 3-7).
The mass under microscopy was composed of epithelioid cancer cells (black arrow) and sarcomatoid spindle cells (x100).
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No superficial enlarged lymph node was found in the whole body, and no special change occurred in the heart, lungs, or abdomen (Figures 3-7).