Discordant lymphoma characterized by the coexistence of diffuse large B-cell lymphoma in the brain and mantle cell lymphoma in the colon, rectum, and bone marrow.

IF 2.7 3区医学 Q2 CLINICAL NEUROLOGY Brain Tumor Pathology Pub Date : 2025-03-18 DOI:10.1007/s10014-025-00499-y

Kyosuke Yamaguchi, Go Yamamoto, Otoya Watanabe, Kosei Kageyama, Daisuke Kaji, Yuki Taya, Aya Nishida, Kazuya Ishiwata, Shinsuke Takagi, Hisashi Yamamoto, Yuki Asano-Mori, Hironori Uruga, Shinji Ito, Yutaka Takazawa, Atsushi Wake, Naoyuki Uchida, Shuichi Taniguchi

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引用次数: 0

Abstract

We describe a rare case of discordant lymphoma characterized by the coexistence of diffuse large B-cell lymphoma (DLBCL) in the brain and mantle cell lymphoma (MCL) in the colon, rectum, and bone marrow. A 63-year-old male patient with consciousness impairment and gait disturbance was admitted to our institution. Head computed tomography scan and contrast-enhanced magnetic resonance imaging showed a mass in the right temporal lobe and rectal wall thickening. Brain biopsy revealed DLBCL, and bone marrow and rectum biopsy showed MCL. According to a polymerase chain reaction analysis of immunoglobulin heavy-chain gene rearrangements using brain and bone marrow specimens, the two lesions were clonally unrelated lymphomas. After five cycles of R-MPV (rituximab, methotrexate, procarbazine, vincristine) therapy and three cycles of R-ESHAP (rituximab, etoposide, cytarabine, cisplatin, methylprednisolone) therapy, the patient received autologous hematopoietic stem cell transplantation using R-MEAM (rituximab, ranimustine, etoposide, cytarabine, melphalan) regimen after bridging therapy with ibrutinib. In addition, he received whole-brain irradiation at a dose of 40 Gy in 20 fractions as consolidation therapy. He did not relapse within 3 years of transplantation. To the best of our knowledge, this is the first case report of DLBCL and MCL coexistence.

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来源期刊

Brain Tumor Pathology 医学-病理学

CiteScore

5.40

自引率

9.10%

发文量

审稿时长

>12 weeks

期刊介绍： Brain Tumor Pathology is the official journal of the Japan Society of Brain Tumor Pathology. This international journal documents the latest research and topical debate in all clinical and experimental fields relating to brain tumors, especially brain tumor pathology. The journal has been published since 1983 and has been recognized worldwide as a unique journal of high quality. The journal welcomes the submission of manuscripts from any country. Membership in the society is not a prerequisite for submission. The journal publishes original articles, case reports, rapid short communications, instructional lectures, review articles, letters to the editor, and topics.Review articles and Topics may be recommended at the annual meeting of the Japan Society of Brain Tumor Pathology. All contributions should be aimed at promoting international scientific collaboration.