Blood Res.  2014 Dec;49(4):275-285. 10.5045/br.2014.49.4.275.

Nodal involvement of extranodal marginal zone lymphoma with extreme plasmacytic differentiation (Mott cell formation) simulating plasma cell neoplasm and lymphoplasmacytic lymphoma

• Chong Y
• Kang CS
• Oh WJ
• Kim TJ
• Lee EJ

• KMID: 2270687
• DOI: http://doi.org/10.5045/br.2014.49.4.275

Abstract

No abstract available.

MeSH Terms

Lymphoma*
Neoplasms, Plasma Cell*

Figure

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  Fig. 1 Radiologic and endoscopic findings. (A) An ultrasonography image showing a hypoechoic mass on the pancreas. (B) A computed tomography scan showing that this mass comprises conglomerated lymph nodes. (C) Gastroscopy showing only mild nodularity without a definite mass. (D) Mucosal nodularity is highlighted by chromoendoscopy. (E, F) Coronal and cross-sectional positron emission tomography-computed tomography images indicating fluoro-2-deoxyglucose uptake.

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  Fig. 2 Microscopic findings. (A) Lymph node biopsy revealing lymphocytic proliferation with hypersecretory plasma cells (hematoxylin and eosin [H&E], ×200) or "Mott cells" (box). (B) Gastric biopsy showing lymphoepithelial lesions (arrow) and Mott cells (arrowheads, box; H&E ×100). (C) Immunohistochemical staining for CD20, (D) CD138, (E) kappa and lambda light chains (×400), and (F) pan-cytokeratin (×200).

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