case_images: PMC10932509_01
case_images: Colonoscopy of ascending colon revealing an irregular ulcerated mass.
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case_images: She also underwent a colonoscopy which revealed a partially obstructing, ulcerated mass in the ascending colon (Fig. 1).
case_images: CT abdomen shows 6.5 x 5.5 cm colonic mass with cecal wall thickening.
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case_images: f2-jchim-14-01-075
case_images: A CT scan of the abdomen showed worsening cecal and ileal wall thickening with associated enlarging 6.5 x 5.5 cm soft tissue component suspicious for a colonic mass (Fig. 2).
case_images: High power image on left shows B lymphocytes of germinal origin invading the colon mucosa; Right image shows infiltration of tumor cells in lamina propria of ascending colon.
case_images: jchim-14-01-075f3.jpg
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case_images: f3-jchim-14-01-075
case_images: Pathology results confirmed diffuse large B-cell lymphoma-germinal center origin with CD20 (+), BCL2(+/-), CD10 (+), BCL6(+), MUM1 (-), CD21 (+), C-MYC(-) (Fig. 3).