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The first reported case of primary extranodal counterpart of follicular T-cell lymphoma of submandibular gland. 2020

Reiji Muto, and Naoki Uemura, and Norikazu Mitsui, and Fumiko Arakawa, and Takanori Negishi, and Hiroaki Miyoshi, and Koichi Ohshima, and Toshihiko Murayama
Department of Pathology, National Hospital Organization, Kumamoto Medical Center, Japan.

This is the first reported case of follicular T-cell lymphoma (FTCL) that primarily developed in the extranodal site of the right submandibular gland. An 86-year-old man was detected with a right cervical mass suspected to be malignant lymphoma during his physical examination. Imaging studies revealed that the mass was a submandibular gland tumor. The tumor was excised for diagnosis and treatment. Pathologically, the tumor was composed of densely aggregated lymphocytes with a follicular growth pattern. The immunohistochemical investigation showed that the lymphoma cells expressed CD3, CD4, programmed cell death protein 1, BCL6, chemokine (C-X-C motif) ligand 13, and BCL2. Staining of the follicular dendritic cell revealed its meshwork structure limited in the germinal center. Monoclonal rearrangement of the T-cell receptor was detected using polymerase chain reaction. These findings are consistent with the characteristics of FTCL. Here, we describe the first reported case of extranodal counterpart of FTCL of the submandibular gland. Accumulation and investigation of such extranodal cases is essential.

UI MeSH Term Description Entries
D008214 Lymphocytes White blood cells formed in the body's lymphoid tissue. The nucleus is round or ovoid with coarse, irregularly clumped chromatin while the cytoplasm is typically pale blue with azurophilic (if any) granules. Most lymphocytes can be classified as either T or B (with subpopulations of each), or NATURAL KILLER CELLS. Lymphoid Cells,Cell, Lymphoid,Cells, Lymphoid,Lymphocyte,Lymphoid Cell
D008224 Lymphoma, Follicular Malignant lymphoma in which the lymphomatous cells are clustered into identifiable nodules within the LYMPH NODES. The nodules resemble to some extent the GERMINAL CENTER of lymph node follicles and most likely represent neoplastic proliferation of lymph node-derived follicular center B-LYMPHOCYTES. Brill-Symmers Disease,Follicular Lymphoma,Lymphoma, Giant Follicular,Lymphoma, Nodular,Follicular Large-Cell Lymphoma,Follicular Lymphoma, Giant,Follicular Lymphoma, Grade 1,Follicular Lymphoma, Grade 2,Follicular Lymphoma, Grade 3,Follicular Mixed-Cell Lymphoma,Giant Follicular Lymphoma,Histiocytic Lymphoma, Nodular,Large Lymphoid Lymphoma, Nodular,Large-Cell Lymphoma, Follicular,Lymphocytic Lymphoma, Nodular, Poorly Differentiated,Lymphocytic Lymphoma, Nodular, Poorly-Differentiated,Lymphoma, Follicular Large-Cell,Lymphoma, Follicular, Grade 1,Lymphoma, Follicular, Grade 2,Lymphoma, Follicular, Grade 3,Lymphoma, Follicular, Mixed Cell,Lymphoma, Follicular, Mixed Lymphocytic-Histiocytic,Lymphoma, Follicular, Mixed Small and Large Lymphoid,Lymphoma, Follicular, Small and Large Cleaved Cell,Lymphoma, Follicular, Small and Large Cleaved-Cell,Lymphoma, Histiocytic, Nodular,Lymphoma, Large Cell, Follicular,Lymphoma, Large Lymphoid, Nodular,Lymphoma, Large-Cell, Follicular,Lymphoma, Lymphocytic, Nodular, Poorly Differentiated,Lymphoma, Lymphocytic, Nodular, Poorly-Differentiated,Lymphoma, Mixed-Cell, Follicular,Lymphoma, Nodular, Large Follicular Center Cell,Lymphoma, Nodular, Large Follicular Center-Cell,Lymphoma, Nodular, Mixed Lymphocytic Histiocytic,Lymphoma, Nodular, Mixed Lymphocytic-Histiocytic,Lymphoma, Nodular, Mixed Small and Large Cell,Lymphoma, Small Cleaved Cell, Follicular,Lymphoma, Small Cleaved-Cell, Follicular,Lymphoma, Small Follicular Center-Cell,Lymphoma, Small Lymphoid, Follicular,Mixed-Cell Lymphoma, Follicular,Nodular Large Follicular Center-Cell Lymphoma,Small Cleaved-Cell Lymphoma, Follicular,Small Follicular Center-Cell Lymphoma,Brill Symmers Disease,Disease, Brill-Symmers,Follicular Large Cell Lymphoma,Follicular Large-Cell Lymphomas,Follicular Lymphomas,Follicular Lymphomas, Giant,Follicular Mixed Cell Lymphoma,Follicular Mixed-Cell Lymphomas,Giant Follicular Lymphomas,Histiocytic Lymphomas, Nodular,Large Cell Lymphoma, Follicular,Large-Cell Lymphomas, Follicular,Lymphoma, Follicular Large Cell,Lymphoma, Follicular Mixed-Cell,Lymphoma, Nodular Histiocytic,Lymphoma, Small Follicular Center Cell,Lymphomas, Follicular,Lymphomas, Follicular Large-Cell,Lymphomas, Follicular Mixed-Cell,Lymphomas, Giant Follicular,Lymphomas, Nodular,Lymphomas, Nodular Histiocytic,Mixed Cell Lymphoma, Follicular,Mixed-Cell Lymphomas, Follicular,Nodular Histiocytic Lymphoma,Nodular Histiocytic Lymphomas,Nodular Large Follicular Center Cell Lymphoma,Nodular Lymphoma,Nodular Lymphomas,Small Cleaved Cell Lymphoma, Follicular,Small Follicular Center Cell Lymphoma
D008297 Male Males
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000369 Aged, 80 and over Persons 80 years of age and older. Oldest Old
D013363 Submandibular Gland One of two salivary glands in the neck, located in the space bound by the two bellies of the digastric muscle and the angle of the mandible. It discharges through the submandibular duct. The secretory units are predominantly serous although a few mucous alveoli, some with serous demilunes, occur. (Stedman, 25th ed) Submaxillary Gland,Gland, Submandibular,Gland, Submaxillary,Glands, Submandibular,Glands, Submaxillary,Submandibular Glands,Submaxillary Glands
D014408 Biomarkers, Tumor Molecular products metabolized and secreted by neoplastic tissue and characterized biochemically in cells or BODY FLUIDS. They are indicators of tumor stage and grade as well as useful for monitoring responses to treatment and predicting recurrence. Many chemical groups are represented including HORMONES; ANTIGENS; amino and NUCLEIC ACIDS; ENZYMES; POLYAMINES; and specific CELL MEMBRANE PROTEINS and LIPIDS. Biochemical Tumor Marker,Cancer Biomarker,Carcinogen Markers,Markers, Tumor,Metabolite Markers, Neoplasm,Tumor Biomarker,Tumor Marker,Tumor Markers, Biochemical,Tumor Markers, Biological,Biochemical Tumor Markers,Biological Tumor Marker,Biological Tumor Markers,Biomarkers, Cancer,Marker, Biochemical Tumor,Marker, Biologic Tumor,Marker, Biological Tumor,Marker, Neoplasm Metabolite,Marker, Tumor Metabolite,Markers, Biochemical Tumor,Markers, Biological Tumor,Markers, Neoplasm Metabolite,Markers, Tumor Metabolite,Metabolite Markers, Tumor,Neoplasm Metabolite Markers,Tumor Markers, Biologic,Tumor Metabolite Marker,Biologic Tumor Marker,Biologic Tumor Markers,Biomarker, Cancer,Biomarker, Tumor,Cancer Biomarkers,Marker, Tumor,Markers, Biologic Tumor,Markers, Carcinogen,Metabolite Marker, Neoplasm,Metabolite Marker, Tumor,Neoplasm Metabolite Marker,Tumor Biomarkers,Tumor Marker, Biochemical,Tumor Marker, Biologic,Tumor Marker, Biological,Tumor Markers,Tumor Metabolite Markers
D016411 Lymphoma, T-Cell, Peripheral A group of malignant lymphomas thought to derive from peripheral T-lymphocytes in lymph nodes and other nonlymphoid sites. They include a broad spectrum of lymphocyte morphology, but in all instances express T-cell markers admixed with epithelioid histiocytes, plasma cells, and eosinophils. Although markedly similar to large-cell immunoblastic lymphoma (LYMPHOMA, LARGE-CELL, IMMUNOBLASTIC), this group's unique features warrant separate treatment. Peripheral T-Cell Lymphoma,T-Cell Lymphoma, Peripheral,Lymphoma, T Cell, Peripheral,Lymphoma, Peripheral T-Cell,Lymphomas, Peripheral T-Cell,Peripheral T Cell Lymphoma,Peripheral T-Cell Lymphomas,T Cell Lymphoma, Peripheral,T-Cell Lymphomas, Peripheral

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