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Case Reports
. 2010 Mar 31;2(1):e4.
doi: 10.4081/rt.2010.e4.

Multiple myeloma presenting as CEA-producing rectal cancer

Giampaolo Talamo  1 , Amitkumar Barochia, Maurizio Zangari, Thomas P Loughran
Affiliations
Case Reports

Multiple myeloma presenting as CEA-producing rectal cancer

Giampaolo Talamo et al. Rare Tumors. .

Abstract

We report the case of a 57-year-old patient with multiple myeloma, characterized by extramedullary involvement of the rectum at presentation. Malignant plasma cells were found to produce carcinoembryonic antigen (CEA), a tumor antigen more commonly associated with rectal adenocarcinomas.

Keywords: CEA; extramedullary plasmacytoma; multiple myeloma.

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Conflict of interest statement

Conflict of interest: the authors report no conflicts of interest.

Figures

Figure 1
Figure 1
Gross appearance of the rectal tumor at colonoscopy.
Figure 2
Figure 2
Histological section of the rectal tumor stained with hematoxylin and eosin.
Figure 3
Figure 3
Chromogenic in situ hybridization of the tumor cells for κ and λ immunoglobulin light chains, and immunohistochemical staining for CEA.
See this image and copyright information in PMC

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