PMC6358359_01
Barium x-ray revealed that the tumor was located in the gastric body and about 102 mm size.
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F1
Barium x-ray revealed that the tumor was located in the gastric body and about 102 mm size (Fig. 1).
Abdomen computed tomography showed that the gastric cavity was filled, and the irregular soft tissue shadow was seen in the greater curvature, and the enhancement was obvious.
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F2
Abdomen computed tomography (CT) showed that the gastric cavity was full of chyme, and the irregular soft tissue shadow was seen in the greater curvature, and the enhancement was obvious (Fig. 2).
The tumor located in the anterior wall of the stomach body near the greater curvature.
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F3
The tumor located in the anterior wall of the stomach body near the greater curvature (Fig. 3).
The tumor was a centrally ulcerated, relatively well-demarcated bulky mass, measuring 90 x 90 mm in diameter. A. outside view, B. inside view.
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F4
The tumor was a centrally ulcerated, relatively well-demarcated bulky mass, measuring 90 x 90 mm in diameter (Fig. 4).
Histopathologic examination revealed plasmablastic plasmacytoma (HE, x200).
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F5
Histopathologic examination of the specimen revealed plasmablastic plasmacytoma originating in the stomach with transmural extension (Fig. 5), but without lymph node metastasis.
Immunohistochemistry for the specimens presented CD38(+), CD138(+), MUM-1(+), bcl-2(+), CD23(+), CD3(-), CD20(-), CD79a(-), CyclinD1(-), CD10(-), bcl-6(-), CD5(-), CK(-), EMA(-), CD30(-), Ki67(about 70%) (x200). A. CD38(+), B. CD138(+), C. Mum-1(+), D. bcl-2(+), E. CD20(-), F. Ki67(about 70%).
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F6
These cells were positive for CD38, CD138, MUM-1, bcl-2, and CD23 and negative for CD3, CD20, CD79a, CyclinD1, CD10, bcl-6, CD5, CK, EMA, and CD30, with a Ki-67 proliferative index of about 70% (Fig. 6).