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. Author manuscript; available in PMC: 2010 Jun 30.
Published in final edited form as: Am J Clin Pathol. 2009 Jul;132(1):39–49. doi: 10.1309/AJCPZQ1GXBBNG8OG

Figure 1.

Figure 1

Four immunoarchitectural patterns of nodal marginal zone lymphoma

(A) Diffuse pattern characterized by diffuse sheets of neoplastic cells with effacement of nodal architecture; (B) Nodular/follicular pattern characterized by distinct nodules that are well demarcated from the uninvolved interfollicular areas; (C) Interfollicular pattern characterized by neoplastic cells in the interfollicular areas that surround residual germinal centers; (D) Perifollicular pattern characterized by annular distribution of the neoplastic cells around uninvolved normal secondary follicles.