Masaru Kojima

Summary

Affiliation: Dokkyo University School of Medicine
Country: Japan

Publications

  1. ncbi Autoimmune disease-associated lymphadenopathy with histological appearance of T-zone dysplasia with hyperplastic follicles. A clinicopathological analysis of nine cases
    M Kojima
    First Department of Pathology, Dokkyo University School of Medicine, Mibu, Tochigi, Japan
    Pathol Res Pract 197:237-44. 2001
  2. doi Presence of immunoglobulin heavy chain rearrangement in so-called "plasma cell granuloma of the lung"
    Masaru Kojima
    Department of Anatomic and Diagnostic Pathology, Dokkyo University School of Medicine, Mibu, Japan
    Pathol Res Pract 206:83-7. 2010
  3. ncbi Histological variety of localized lymphoid hyperplasia of the large intestine: histopathological, immunohistochemical and genotypic findings of 16 cases
    Masaru Kojima
    Department of Anatomic and Diagnostic Pathology, Dokkyo University School of Medicine
    J Clin Exp Hematop 49:15-21. 2009
  4. ncbi Angioimmunoblastic T-cell lymphoma with hyperplastic germinal centers: a clinicopathological and immunohistochemical study of 10 cases
    M Kojima
    Department of Anatomic and Diagnostic Pathology, Dokkyo University School of Medicine, Mibu, Japan
    APMIS 109:699-706. 2001
  5. ncbi Marginal zone B cell lymphomas of Waldeyer's ring--a report of two tonsillectomy cases resembling histomorphological features of inflammatory lesions
    M Kojima
    Department of Pathology, Dokkyo University School of Medicine, Mibu, Tochigi, Japan
    Pathol Res Pract 197:781-4. 2001
  6. ncbi Acute viral lymphadenitis mimicking low-grade peripheral T-cell lymphoma. A clinicopathological study of nine cases
    M Kojima
    Department of Pathology, Dokkyo University School of Medicine, Mibu, Tochigi, Japan
    APMIS 109:419-27. 2001
  7. ncbi Lymph node necrosis in systemic lupus erythematosus. A histopathological and immunohistochemical study of four cases
    M Kojima
    Department of Pathology, Dokkyo University School of Medicine, Mibu, Japan
    APMIS 109:141-6. 2001
  8. ncbi Inflammatory pseudotumor of the submandibular gland: report of a case presenting with autoimmune disease-like clinical manifestations
    M Kojima
    First Department of Pathology, Dokkyo University School of Medicine, Mibu, Tochigi 321 0923, Japan
    Arch Pathol Lab Med 125:1095-7. 2001
  9. doi Epstein-Barr virus-related atypical lymphoproliferative disorders in Waldeyer's ring: a clinicopathological study of 9 cases
    Masaru Kojima
    Department of Anatomic and Diagnostic Pathology, Dokkyo University School of Medicine, Mibu, Japan k masaru dokkyomed ac jp
    Pathobiology 77:218-24. 2010
  10. doi IgG4-positive plasma cells in inflammatory abdominal aortic aneurysm: the possibility of an aortic manifestation of IgG4-related sclerosing disease
    Noriyuki Sakata
    Department of Pathology, School of Medicine, Fukuoka University, Japan
    Am J Surg Pathol 32:553-9. 2008

Detail Information

Publications38

  1. ncbi Autoimmune disease-associated lymphadenopathy with histological appearance of T-zone dysplasia with hyperplastic follicles. A clinicopathological analysis of nine cases
    M Kojima
    First Department of Pathology, Dokkyo University School of Medicine, Mibu, Tochigi, Japan
    Pathol Res Pract 197:237-44. 2001
    ..To avoid overdiagnosis and overtreatment, we emphasize the need to turn attention to these clinical and laboratory findings as well as to the morphological features...
  2. doi Presence of immunoglobulin heavy chain rearrangement in so-called "plasma cell granuloma of the lung"
    Masaru Kojima
    Department of Anatomic and Diagnostic Pathology, Dokkyo University School of Medicine, Mibu, Japan
    Pathol Res Pract 206:83-7. 2010
    ..g. incipient MALT type lymphoma) or merely represents an exaggeration of normal B-cell clonal response...
  3. ncbi Histological variety of localized lymphoid hyperplasia of the large intestine: histopathological, immunohistochemical and genotypic findings of 16 cases
    Masaru Kojima
    Department of Anatomic and Diagnostic Pathology, Dokkyo University School of Medicine
    J Clin Exp Hematop 49:15-21. 2009
    ..It remains unclear whether these three cases showing RFH could be a sign of the prelymphomatous stage (incipient follicular lymphoma) or representing merely an exaggeration of normal B-cell clonal response in the germinal centers...
  4. ncbi Angioimmunoblastic T-cell lymphoma with hyperplastic germinal centers: a clinicopathological and immunohistochemical study of 10 cases
    M Kojima
    Department of Anatomic and Diagnostic Pathology, Dokkyo University School of Medicine, Mibu, Japan
    APMIS 109:699-706. 2001
    ..Detection of clear cells, Bcl-6-positive atypical T lymphocytes, and foci of irregularly shaped proliferation of follicular dendritic cells appears to be critical for early diagnosis and treatment of AITL with hyperplastic follicles...
  5. ncbi Marginal zone B cell lymphomas of Waldeyer's ring--a report of two tonsillectomy cases resembling histomorphological features of inflammatory lesions
    M Kojima
    Department of Pathology, Dokkyo University School of Medicine, Mibu, Tochigi, Japan
    Pathol Res Pract 197:781-4. 2001
    ..Various florid reactive lymphoproliferative disorders, including chronic tonsillitis and infectious mononucleosis, should be differentiated from this type of primary Waldeyer's ring lymphoma...
  6. ncbi Acute viral lymphadenitis mimicking low-grade peripheral T-cell lymphoma. A clinicopathological study of nine cases
    M Kojima
    Department of Pathology, Dokkyo University School of Medicine, Mibu, Tochigi, Japan
    APMIS 109:419-27. 2001
    ..To avoid overdiagnosis and overtreatment, we emphasize the need to pay careful attention to the clinical and laboratory findings as well as the morphological features...
  7. ncbi Lymph node necrosis in systemic lupus erythematosus. A histopathological and immunohistochemical study of four cases
    M Kojima
    Department of Pathology, Dokkyo University School of Medicine, Mibu, Japan
    APMIS 109:141-6. 2001
    ..Our findings indicate that vasculitis due to local deposition of immune complexes in the blood vessels may play an important role in the pathogenesis of necrosis in lupus lymphadenitis...
  8. ncbi Inflammatory pseudotumor of the submandibular gland: report of a case presenting with autoimmune disease-like clinical manifestations
    M Kojima
    First Department of Pathology, Dokkyo University School of Medicine, Mibu, Tochigi 321 0923, Japan
    Arch Pathol Lab Med 125:1095-7. 2001
    ..The present case indicates that inflammatory pseudotumor should be added to the list of different diagnoses for mucosa-associated lymphoid tissue-type lymphoma of the salivary glands...
  9. doi Epstein-Barr virus-related atypical lymphoproliferative disorders in Waldeyer's ring: a clinicopathological study of 9 cases
    Masaru Kojima
    Department of Anatomic and Diagnostic Pathology, Dokkyo University School of Medicine, Mibu, Japan k masaru dokkyomed ac jp
    Pathobiology 77:218-24. 2010
    ..We report here clinicopathological, immunohistochemical and genotypic findings of 9 cases of EBV-associated LPDs in WR...
  10. doi IgG4-positive plasma cells in inflammatory abdominal aortic aneurysm: the possibility of an aortic manifestation of IgG4-related sclerosing disease
    Noriyuki Sakata
    Department of Pathology, School of Medicine, Fukuoka University, Japan
    Am J Surg Pathol 32:553-9. 2008
    ..These findings suggest that IAA may be an aortic lesion reflecting the presence of IgG4-related sclerosing disease, and not a simple inflammatory aneurysm of the aorta...
  11. doi Progressive transformation of the germinal center of extranodal organs: a clinicopathological, immunohistochemical, and genotypic study of 14 cases
    Masaru Kojima
    Department of Anatomic and Diagnostic Pathology, Dokkyo University School of Medicine, Tochigi, Japan
    Pathol Res Pract 206:235-40. 2010
    ..However, the histological findings of extranodal PTG were similar to those of lymph node PTGC. The clinicopathological findings of the extranodal PTGCs appeared to be different from those of lymph node PTGC...
  12. ncbi Reactive lymphoid hyperplasia with giant follicles associated with a posttherapeutic state of hematological malignancies. A report of eight cases
    Masaru Kojima
    Department of Pathology, Dokkyo University School of Medicine, Mibu, Japan
    Tumori 96:143-8. 2010
    ....
  13. doi Infectious mononucleosis lymphoadenitis showing histologic findings indistinguishable from toxoplasma lymphadenitis. A report of three cases
    Masaru Kojima
    Department of Anatomic and Diagnostic Pathology, Dokkyo Medical University School of Medicine, Mibu, Tochigi 321 0293, Japan
    Pathol Res Pract 206:361-4. 2010
    ..However, from a therapeutic perspective, it is important to discriminate IM lymphadenitis from toxoplasmic lymphadenitis particularly in patients showing atypical clinical features...
  14. doi Multicentric Castleman's disease with abundant IgG4-positive cells: a clinical and pathological analysis of six cases
    Yasuharu Sato
    Department of Pathology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
    J Clin Pathol 63:1084-9. 2010
    ..However, the authors present a detailed report of six patients with multicentric Castleman's disease with abundant IgG4-positive cells (IgG4-/IgG-positive cell ratio, >40%)...
  15. ncbi Atypical lymphoplasmacytic and immunoblastic proliferation of autoimmune disease : clinicopathologic and immunohistochemical study of 9 cases
    Masaru Kojima
    Department of Anatomic Diagnostic Pathology, Dokkyo University School of Medicine, Mibu, Japan
    J Clin Exp Hematop 50:113-9. 2010
    ..Finally, we emphasized that ALPIB should be added to the differential diagnostic problems of atypical LPDs, particularly lymph node lesions of IgG4-related diseases...
  16. ncbi Expression of BAFF-R (BR 3) in normal and neoplastic lymphoid tissues characterized with a newly developed monoclonal antibody
    Naoya Nakamura
    Department of Pathology, Fukushima Medical University, Hikarigaoka 1, Fukushima shi 960 1295, Japan
    Virchows Arch 447:53-60. 2005
    ..Thus, the mAb is very useful for further understanding of both healthy B-cell biology and its pathogenic neoplasms...
  17. ncbi Extranodal diffuse follicular center lymphoma mimicking mantle cell lymphoma of the intestine
    Shigeki Tomita
    Department of Surgical and Molecular Pathology, Dokkyo University School of Medicine, Mibu, Shimo Tsuga, Tochigi, Japan
    Am J Hematol 74:287-9. 2003
    ..Moreover, a cytogenetic study showed a translocation at (14;18)(q32;q21). Finally, this case was diagnosed as diffuse FCL, although the tumor was mimicking mantle cell lymphoma...
  18. doi Necrotizing lymphadenitis (NEL) is a systemic disease characterized by blastic transformation of CD8+ cells and apoptosis of CD4+ cells
    Shigeyuki Asano
    Department of Pathology, Iwaki Kyoritsu General Hospital, 16 Kusehara, Mimaya machi, Uchigo, Iwaki, 973 8555, Japan
    Virchows Arch 464:95-103. 2014
    ..Clinical characteristics and cytological and histological findings on lymph node biopsies can improve NEL diagnosis...
  19. ncbi Malignant lymphoma in patients with systemic rheumatic disease (rheumatoid arthritis, systemic lupus erythematosus, systemic sclerosis, and dermatomyositis): a clinicopathologic study of 24 Japanese cases
    Masaru Kojima
    Department of Pathology and Clinical Laboratories, Gunma Cancer Center Hospital, Ohta, Dokkyo University School of Medicine, Mibu, Japan
    Int J Surg Pathol 14:43-8. 2006
    ..Our findings suggested EBV-associated lymphoma comprised only a small fraction of all non-Hodgkin's lymphomas in the general SRD patient population...
  20. doi Association between IgG4-related disease and progressively transformed germinal centers of lymph nodes
    Yasuharu Sato
    Department of Pathology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
    Mod Pathol 25:956-67. 2012
    ..Nine patients were administered steroid therapy when the lesions progressed, to which all responded well. We suggest that IgG4(+) progressively transformed germinal centers should be included in the IgG4-related disease spectrum...
  21. doi IgG4-related disease: historical overview and pathology of hematological disorders
    Yasuharu Sato
    Department of Pathology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Kita ku, Okayama, Japan
    Pathol Int 60:247-58. 2010
    ..Moreover, some malignant lymphomas, especially mucosa-associated lymphoid tissue lymphoma, arise from ocular adnexal IgG4-related disease. In addition, IgG4-producing lymphoma also exists...
  22. ncbi Epithelioid cell granulomatous response of Waldeyer's ring among Japanese : a clinicopathological and immunohistochemical study of 16 cases
    Yuko Kaneko
    Department of Anatomic and Diagnostic Pathology, Dokkyo University School of Medicine, Mibu, Japan
    J Clin Exp Hematop 52:179-84. 2012
    ..An ISH study demonstrated EBV-encoded small RNA (EBER)(+) cells in 4 lesions. The present study demonstrated that the majority of EPGs were located in the GC and tonsilar EPGs showed histological variation...
  23. doi Primary IgG4-related lymphadenopathy with prominent granulomatous inflammation and reactivation of Epstein-Barr virus
    Emiko Takahashi
    Department of Pathology, Aichi Medical University Hospital, Nagakute, Japan
    Virchows Arch 460:225-9. 2012
    ..The correct diagnosis is important in view of the remarkable response to steroid therapy...
  24. doi Immunoglobulin G4-related lymphadenopathy with inflammatory pseudotumor-like features
    Yasuharu Sato
    Department of Pathology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, 2 5 1 Shikata cho, Kita ku, Okayama 700 8558, Japan
    Med Mol Morphol 44:179-82. 2011
    ..1%. These findings were consistent with IgG4-related lymphadenopathy. In conclusion, pathologists should consider IgG4-related lymphadenopathy when diagnosing a lesion with IPT-like features...
  25. ncbi Diffuse nodular lymphoid hyperplasia of the large bowel without hypogammaglobulinemia or malabsorption syndrome: a case report and literature review
    Shigeki Tomita
    Department of Surgical and Molecular Pathology, Dokkyo University School of Medicine, Mibu, Tochigi, Japan
    Int J Surg Pathol 10:297-302. 2002
    ..The present case appears to be an essentially benign condition bearing a resemblance, both clinically and histologically, to malignant lymphoma, and from which it can be distinguished by use of immunohistochemical or molecular analysis...
  26. pmc Temporal differences of onset between primary skin lesions and regional lymph node lesions for tularemia in Japan: a clinicopathologic and immunohistochemical study of 19 skin cases and 54 lymph node cases
    Shigeyuki Asano
    Department of Pathology, Iwaki Kyoritsu General Hospital, 16 Kusehara, Mimaya machi, Uchigo, Iwaki 973 8555, Japan
    Virchows Arch 460:651-8. 2012
    ..The regional lymph node lesions induced by skin lesion are designated as dermatopathic lymphadenopathy. This study revealed temporal differences of onset among the skin and lymph node lesions...
  27. ncbi BAFF-R is expressed on B-cell lymphomas depending on their origin, and is related to proliferation index of nodal diffuse large B-cell lymphomas
    Hiroyuki Takahata
    Department of Pathology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Japan
    J Clin Exp Hematop 50:121-7. 2010
    ..BAFF-R was rather specifically related to low growth activity of GCB-type DLBCL of nodal origin...
  28. ncbi BAFF/BLyS can potentiate B-cell selection with the B-cell coreceptor complex
    Hidenori Hase
    Division of Immunology, Institute for Medical Science, and Department of Pathology, Dokkyo University School of Medicine, Mibu, Tochigi 321 0293, Japan
    Blood 103:2257-65. 2004
    ....
  29. doi Systemic IgG4-related lymphadenopathy: a clinical and pathologic comparison to multicentric Castleman's disease
    Yasuharu Sato
    Department of Pathology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
    Mod Pathol 22:589-99. 2009
    ..Our findings of eosinophil infiltration in the affected tissue and elevation of serum IgE may suggest an allergic mechanism in the pathogenesis of systemic IgG4-related lymphadenopathy...
  30. doi Inflammatory pseudotumor of the thyroid gland showing prominent fibrohistiocytic proliferation. A case report
    Masaru Kojima
    Department of Anatomic and Diagnostic Pathology, Dokkyo University School of Medicine, 880, Ooaza Kitakobayashi, Mibu, 321 0293, Japan
    Endocr Pathol 20:186-90. 2009
    ..They include Riedel's thyroiditis, fibrous variant of chronic thyroiditis, papillary carcinoma with exuberant nodular fasciitis-like stroma, paucicellular variant of anaplastic thyroid carcinoma, and solitary fibrous tumor...
  31. ncbi B-cell lymphoma associated with Sjögren's syndrome among Japanese patients: a clinicopathologic and immunohistochemical study of 15 cases
    Masaru Kojima
    Department of Anatomic Diagnostic Pathology, Dokkyo University School of Medicine, Mibu, Tochigi, Japan
    J Clin Exp Hematop 49:89-95. 2009
    ..The majority of B-cell lymphomas in patients with SJS also appear to be low-grade MZBLs or high-grade lymphomas probably derived from MZBL both in Western countries and in Japan...
  32. doi Distribution of IgG4- and/or IgG-positive plasma cells in Hashimoto's thyroiditis: an immunohistochemical study
    Masaru Kojima
    Department of Anatomic and Diagnostic Pathology, Dokkyo University School of Medicine, Mibu, Japan
    Pathobiology 77:267-72. 2010
    ..To clarify the distribution pattern of IgG4-positive plasma cells, 33 cases of HT demonstrating abundant lymphoplasmacytic infiltrate were studied...
  33. ncbi Castleman's disease of the retroperitoneum: with special reference to IgG4-related disorder
    Masaru Kojima
    Department of Anatomic and Diagnostic Pathology, Dokkyo University School of Medicine
    J Clin Exp Hematop 50:39-44. 2010
    ..The present study suggests that a majority of the PC type of CD arising in the retroperitoneum appears to be an IgG4-related disorder...
  34. ncbi Follicular hyperplasia presenting with a marginal zone pattern in a reactive lymph node lesion
    Masaru Kojima
    Department of Anatomic and Diagnostic Pathology, Dokkyo University School of Medicine, Mibu, Japan
    APMIS 110:325-31. 2002
    ..Recognition of unusual marginal zone hyperplasia in reactive lymph node lesions is important to avoid confusion with nodal involvement in various low-grade B cell lymphomas presenting a marginal zone distribution pattern...
  35. ncbi Possible involvement of myofibroblast in the development of inflammatory aortic aneurysm
    Noriyuki Sakata
    Department of Pathology, School of Medicine, Fukuoka University, 45 1, 7 chome Nanakuma, Jonan ku, Fukuoka 814 0180, Japan
    Pathol Res Pract 203:21-9. 2007
    ..These findings suggest that the development of IAA may be partly mediated by the proliferation of adventitial myofibroblasts, which might be related to tissue hypoxia...
  36. doi Cytologic features and frequency of plasmacytoid dendritic cells in the lymph nodes of patients with histiocytic necrotizing lymphadenitis (Kikuchi-Fujimoto disease)
    Koji Kishimoto
    Department of Pathology, Showa University Fujigaoka Hospital, Yokohama, Japan
    Diagn Cytopathol 38:521-6. 2010
    ..In addition, interestingly, the numberof pDCs did not depend on the age of the HNL lesion, thus suggesting that pDCs are excellent indicators for the cytologic diagnosis of HNL...
  37. pmc Recurrent aseptic meningitis in association with Kikuchi-Fujimoto disease: case report and literature review
    Tomoko Komagamine
    Department of Neurology, Dokkyo Medical University, Shimotsuga, Tochigi, Japan
    BMC Neurol 12:112. 2012
    ..Recurrent aseptic meningitis in association with KFD is extremely rare and remains a diagnostic challenge...
  38. ncbi A case of segmental mediolytic arteriopathy involving both intracranial and intraabdominal arteries
    Noriyuki Sakata
    Department of Pathology, School of Medicine, Fukuoka University, Japan
    Pathol Res Pract 198:493-7; discussion 499-500. 2002
    ..Thus, SMA should be considered a possible underlying disease in patients with spontaneous dissection of intracranial arteries...