PMC5681333_01
Anatomical pathology specimen gastric lymphocytic phlebitis.
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PMC5681333_01_gr1.jpg
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Macroscopic appearance was of an ulcerating tumour (Fig. 1).
H&E stain (x2 magnification) Lymphocytic phlebitis of a subserosal medium-sized vein and an uninvolved subserosal artery.
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Lymphocytic phlebitis with focal thrombosis and obliterated lumina of veins was noted, but the arteries were uninvolved (Fig. 2, Fig. 3).
CD3 stain (x20 magnification) CD3 positive T-cell lymphocytes within the vein wall.
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T-cell lymphocytes (Fig. 4) and CD20-positive B-cell lymphocytes (Fig. 5).