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Colonic adenomatous polyp with florid presence of monoclonal lambda Russell bodies: Case report and etiopathogenic
Adriano Martínez-Aracil1, Diego Polanco-Alonso2, Celina Stayerman3
1Pathology Service, Bioaraba Research Health Institute, Araba University Hospital, Vitoria-Gasteiz, Alava, Spain.
Abstract:
Russell bodies (RBs) are round eosinophilic intracytoplasmic inclusions formed by condensed immunoglobulins in mature plasma cells, which are called Mott cells. These cells are rarely found in the gastric tract, with even less cases reported in the colorectal region. There are still many questions about this event, as it is still unknown the relationship between the agents reported of increasing the probability of appearance of these cells and the generation of RBs. In this case report we describe the fifth patient presenting an infiltration of Mott cells in a colorectal polyp, being the second case with a monoclonal origin without a neoplastic cause, and the first one monoclonal for lambda. A comparison with previously similar reported cases is also done, and a possible etiopathogenic hypothesis proposed.
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