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Case Reports
. 2019 Jun 30;11(6):e5048.
doi: 10.7759/cureus.5048.

Primary Diffuse Large B-cell Lymphoma of the Sigmoid Colon

Ibrahim Haddad  1 , Bara El Kurdi  1 , Mahmoud El Iskandarani  2 , Sumbal Babar  3 , Mark Young  3
Affiliations
Case Reports

Primary Diffuse Large B-cell Lymphoma of the Sigmoid Colon

Ibrahim Haddad et al. Cureus. .

Abstract

Primary gastrointestinal lymphoma is the most common type of extra-nodal lymphoma, representing about 30%-50% of all extra-nodal involvement. The stomach is the most common site, with the colon and rectum accounting for a minority of occurrences. Primary colorectal lymphoma is uncommon, representing only 0.3% of all large intestinal malignancies and approximately 3% of gastrointestinal (GI) lymphomas, with the majority of these being B-cell non-Hodgkin lymphoma and diffuse large B-cell lymphoma (DLBCL) being the most common subtype. We present a case of an 85-year-old male who presented with symptoms suggestive of bowel obstruction, who, after further evaluation, was diagnosed with primary non-Hodgkin lymphoma of the colon, DLBCL subtype.

Keywords: large colon; primary colorectal lymphoma; primary diffuse large b-cell lymphoma of the colon; primary gastrointestinal lymphoma.

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Conflict of interest statement

The authors have declared that no competing interests exist.

Figures

Figure 1
Figure 1. 400 power microscope representing our patient's primary DLBCL of the colon
Figure 2
Figure 2. CD 20 stain for our patient's primary DLBCL of the colon
See this image and copyright information in PMC

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