Clinicopathologic correlations of stage IE/IIE primary thyroid diffuse large B-cell lymphoma

• Published in: Annals of oncology Vol. 18; no. 7; pp. 1203 - 1208
• Main Authors: Niitsu, N, Okamoto, M, Nakamura, N, Nakamine, H, Bessho, M, Hirano, M
• Format: Journal Article
• Language: English
• Published: Oxford Oxford University Press 01.07.2007; Oxford Publishing Limited (England)
• Subjects: Aged; Antigens, CD20 - metabolism; Antineoplastic agents; Antineoplastic Combined Chemotherapy Protocols; BCL-6; Biological and medical sciences; CD5 Antigens - metabolism; Chromosome Aberrations; Combined Modality Therapy; Disease-Free Survival; DNA-Binding Proteins - metabolism; Endocrinopathies; Female; germinal center B cell; Hashimoto's disease; Hematologic and hematopoietic diseases; Humans; Immunohistochemistry; Immunophenotyping; In Situ Hybridization, Fluorescence; Leukemias. Malignant lymphomas. Malignant reticulosis. Myelofibrosis; Lymphoma, Large B-Cell, Diffuse - genetics; Lymphoma, Large B-Cell, Diffuse - metabolism; Lymphoma, Large B-Cell, Diffuse - pathology; Male; Medical sciences; Neoplasm Staging; Neprilysin - metabolism; nm23-H1; Non tumoral diseases. Target tissue resistance. Benign neoplasms; Pharmacology. Drug treatments; Prognosis; Proto-Oncogene Proteins c-bcl-2 - metabolism; Proto-Oncogene Proteins c-bcl-6; Radiotherapy; Receptors, IgE - metabolism; Survival Analysis; Thyroid lymphoma; Thyroid Neoplasms - genetics; Thyroid Neoplasms - metabolism; Thyroid Neoplasms - pathology; Thyroid. Thyroid axis (diseases); nm23-H1; Hashimoto's disease; BCL-6; Thyroid lymphoma; germinal center B cell; Endocrinopathy; Human; Immunopathology; Endocrine gland; Thyroid diseases; Autoimmune disease; B cell neoplasm; Malignant hemopathy; nm23H1 Gene; BCL6 gene; Clinical stage; Histopathology; Lymphoproliferative syndrome; C-Onc gene; Metastasis suppressor gene; Hashimoto thyroiditis; Primary; Diffuse large B cell lymphoma; Protooncogene
• ISSN: 0923-7534; 1569-8041
• DOI: 10.1093/annonc/mdm094

Background: We studied the clinicopathological characteristics and prognoses of localized stage thyroid diffuse large B-cell lymphoma (DLBCL). Patients and methods: This study included 32 patients with stage I/IIE thyroid DLBCL. Their median age was 66 years, the male/female ratio was 10/22. Results: As to the cellular immunophenotype, CD20 was positive in 31/32, CD5 in 0/32, CD10 in 4/32, CD23 in 1/32, BCL2 in 14/30, and BCL6 in 24/32. Twelve cases showed abnormal karyotypes: two cases with t(8;14)(q24;q32), four cases with 3q27, two cases with 17p11, and four cases with other abnormal karyotypes. As for treatment, eight cases were treated with chemotherapy alone and 24 cases were treated with chemotherapy followed by radiotherapy. Complete response was achieved in 94%. The 5-year progression-free survival was 84% and the 5-year overall survival was 90% with a median follow-up period of 62 months. The germinal center B-cell (GCB) type had a significantly better prognosis than the non-GCB type. Conclusion: Localized stage thyroid DLBCL is a disease with a relatively good prognosis. It is, however, a heterogeneous disease with regard to histological type and pathological state. Localized stage thyroid DLBCL has a good prognosis and it is that there are more GCB-type DLBCL lymphomas.