PMC5266816_01
Endoscopic appearance before and after resection (retroverted view).
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fig1
At the time of the ESD, en bloc resection was achieved and a 46 by 35 mm area involving 40% of the GEJ circumference was resected (Figures 1 and 2).
Lesion after endoscopic submucosal dissection.
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fig2
At the time of the ESD, en bloc resection was achieved and a 46 by 35 mm area involving 40% of the GEJ circumference was resected (Figures 1 and 2).
Hematoxylin and eosin stain shows hyperplastic gastric type mucosa with coiled elongated foveolae.
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fig3
The dominant lesion consisted of hyperplastic gastric type mucosa with coiled elongated foveolae lined by mucin secreting cells (Figure 3).
Hematoxylin and eosin stain shows obliterative vasculopathy at resection margin.
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fig4
Several foci of obliterative vasculopathy were present in the deep portion of the lesion at the resection margin (Figure 4).
Hematoxylin and eosin stain: high power view of polyp showing dilated glands admixed with fibrosis and inflammation.
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fig5
The smaller lesion consisted of a nonencapsulated lesion with bland spindle cell proliferation (Figures 5 and 6).
Hematoxylin and eosin stain shows bland spindle cell proliferation adjacent to polyp consistent with neurofibroma.
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fig6
The smaller lesion consisted of a nonencapsulated lesion with bland spindle cell proliferation (Figures 5 and 6).