A clinicopathologic and immunohistochemical study of diffuse large B-cell lymphoma.
- Author:
Kun TAO
1
;
Xiongzeng ZHU
;
Weiling XU
;
Zhongwei CHEN
;
Hongfen LU
Author Information
- Publication Type:Journal Article
- MeSH: Adult; Aged; Antigens, CD20; analysis; DNA-Binding Proteins; analysis; Female; Humans; Immunohistochemistry; Ki-1 Antigen; analysis; Leukocyte Common Antigens; analysis; Lymphoma, B-Cell; metabolism; pathology; Lymphoma, Large B-Cell, Diffuse; metabolism; pathology; Male; Middle Aged; Proto-Oncogene Proteins; analysis; Proto-Oncogene Proteins c-bcl-6; Transcription Factors; analysis
- From: Chinese Journal of Pathology 2002;31(2):112-115
- CountryChina
- Language:English
-
Abstract:
OBJECTIVETo study the clinicopathologic and immunohistochemical features of diffuse large B-cell lymphoma (DLBCL) and the significance of immunohistochemistry in diagnosis and differential diagnosis of DLBCL.
METHODS60 cases of DLBCL were studied and immunohistochemical staining for LCA, L26, BLA-36, CD30, bcl-6 were carried out with the EnVision 2 step method.
RESULTSThe age range of 76.7% (46/60) patients was 40 - 70 years. The location of the lesion includes nodal and extranodal sites. 90.0% (54/60) were in clinical stages of II (24/54), III (21/54), IV (9/54). Histopathologic morphology presented as centroblastic (88.3%, 53/60), immunoblastic (3.3%, 2/60), anaplastic large B cell type (3.3%, 2/60) and T cell rich B cell type (5.0%, 3/60). Immunostaining showed 100% (60/60) DLBCL were positive for LCA, L26, BLA36, 3.3% (2/60) DLBCL positive for CD30, 95% (57/60) expressed bcl-6 protein.
CONCLUSIONSDLBCL is an aggressive lymphoma which shows cytologic variability from case to case. The evaluation of pathologic features and immunohistochemistry in DLBCL are useful and practical for diagnostic purposes, but cannot delineate distinctive morphologic subtypes.
