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BM intrasinusoidal infiltration pattern in different splenic lymphoma entities

BM intrasinusoidal infiltration pattern in different splenic lymphoma entities
#00015144
Author: Iannitto, E and Tripodo C
Category: Lymphoma: Mature B-cell and Plasma cell Neoplasms > Splenic lymphomas > Splenic Marginal Zone Lymphoma
Published Date: 12/06/2012

(A) SMZL: mixed nodular and intrasinusoidal infiltration. (B) SDRPSBCL: neoplastic cells are exclusively lodged inside the dilated sinusoids. (C) T-LGL: subtle intrasinusoidal and interstitial infiltration. (D) HSTL: highly atypical large neoplastic cells engulf the BM sinusoids. (A-B) Anti-CD20 immunostaining using the streptavidin-biotin-peroxidase complex and 3–3'-diaminobenzidine (brown signal). (C-D) Anti-CD3 immunostaining using the streptavidin-biotin-peroxidase complex and 3–3'-diaminobenzidine (brown signal).