1
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Rodríguez-Laval V, Lumbreras-Fernández B, Aguado-Bueno B, Gómez-León N. Imaging of Multiple Myeloma: Present and Future. J Clin Med 2024; 13:264. [PMID: 38202271 PMCID: PMC10780302 DOI: 10.3390/jcm13010264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 12/18/2023] [Accepted: 12/27/2023] [Indexed: 01/12/2024] Open
Abstract
Multiple myeloma (MM) is the second most common adult hematologic malignancy, and early intervention increases survival in asymptomatic high-risk patients. Imaging is crucial for the diagnosis and follow-up of MM, as the detection of bone and bone marrow lesions often dictates the decision to start treatment. Low-dose whole-body computed tomography (CT) is the modality of choice for the initial assessment, and dual-energy CT is a developing technique with the potential for detecting non-lytic marrow infiltration and evaluating the response to treatment. Magnetic resonance imaging (MRI) is more sensitive and specific than 18F-fluorodeoxyglucose positron emission tomography/computed tomography (FDG-PET/CT) for the detection of small focal lesions and diffuse marrow infiltration. However, FDG-PET/CT is recommended as the modality of choice for follow-up. Recently, diffusion-weighted MRI has become a new technique for the quantitative assessment of disease burden and therapy response. Although not widespread, we address current proposals for structured reporting to promote standardization and diminish variations. This review provides an up-to-date overview of MM imaging, indications, advantages, limitations, and recommended reporting of each technique. We also cover the main differential diagnosis and pitfalls and discuss the ongoing controversies and future directions, such as PET-MRI and artificial intelligence.
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Affiliation(s)
- Víctor Rodríguez-Laval
- Department of Radiology, University Hospital La Princesa, IIS-Princesa, Calle Diego de León 62, 28005 Madrid, Spain; (B.L.-F.); (N.G.-L.)
- Department of Medicine, Autonomous University of Madrid, Calle del Arzobispo Morcillo 4, 28029 Madrid, Spain
| | - Blanca Lumbreras-Fernández
- Department of Radiology, University Hospital La Princesa, IIS-Princesa, Calle Diego de León 62, 28005 Madrid, Spain; (B.L.-F.); (N.G.-L.)
| | - Beatriz Aguado-Bueno
- Department of Hematology, University Hospital La Princesa, IIS-Princesa, Calle Diego de León 62, 28005 Madrid, Spain;
| | - Nieves Gómez-León
- Department of Radiology, University Hospital La Princesa, IIS-Princesa, Calle Diego de León 62, 28005 Madrid, Spain; (B.L.-F.); (N.G.-L.)
- Department of Medicine, Autonomous University of Madrid, Calle del Arzobispo Morcillo 4, 28029 Madrid, Spain
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2
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McCormack S, Hamad E, Hamad A. Solitary Plasmacytoma of the Breast: A Case of an Uncommon Breast Neoplasm. Case Rep Hematol 2023; 2023:9622042. [PMID: 37303483 PMCID: PMC10257539 DOI: 10.1155/2023/9622042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 05/15/2023] [Accepted: 05/27/2023] [Indexed: 06/13/2023] Open
Abstract
Plasmacytoma is a rare cancer that originates from a single plasma cell and is characterized by the abnormal proliferation of monoclonal plasma cells. It is typically localized in a single area of the body, most commonly in the bone or soft tissue. Solitary plasmacytoma can be further classified as either solitary plasmacytoma of bone (SPB) or solitary extramedullary plasmacytoma (SEP or EMP). Diagnosis may be delayed in symptomatically silent plasmacytomas, but early diagnosis and prompt treatment are crucial for the management of this disease. The mean age for patients with plasmacytoma varies depending on the specific type of plasmacytoma, but generally, it is more common in older adults. Soft tissue plasmacytomas are uncommon, and plasmacytomas manifesting within the breast are extremely rare, especially when they are not a manifestation of multiple myeloma (MM). This report presents a case of SEP of the breast in a 79-year-old female patient. This rare disease needs to be studied further in terms of long-term survival and disease progression to MM. By raising awareness and understanding of plasmacytoma, we aim to improve outcomes and quality of life for patients affected by this disease.
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Affiliation(s)
- Sean McCormack
- Saint James School of Medicine, Cane Hall Road, Arnos Vale, Saint Vincent and the Grenadines
| | - Eyad Hamad
- Northwestern School of Medicine, 10604 SW Hwy Ste 200, Chicago Ridge, IL 60415, USA
| | - Amar Hamad
- Christ Hospital, 10604 SW Hwy Ste 200, Chicago Ridge, IL 60415, USA
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3
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Mohamed I, Haji M, Hassan N, Qasim H, Rajab R, Rajab R, Ibrahim A, Zulqarnain M, Sadeddin EZ, Ghoz H, Mohammed S. A Rare Case of Primary Duodenal Plasmacytoma: An Incidental Finding. Cureus 2023; 15:e37342. [PMID: 37182040 PMCID: PMC10169253 DOI: 10.7759/cureus.37342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/09/2023] [Indexed: 05/16/2023] Open
Abstract
Solitary extramedullary plasmacytoma (SEP) is a rare tumor due to the monoclonal proliferation of plasma cells without bone marrow involvement. Plasmacytomas are frequently encountered in bone or soft tissue but rarely occur in the gastrointestinal (GI) tract. They can present with a multitude of symptoms depending on their site. This report describes a case of SEP diagnosed as a duodenal ulcer (DU) during esophagogastroduodenoscopy (EGD) for iron deficiency anemia.
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Affiliation(s)
- Islam Mohamed
- Internal Medicine, University of Missouri Kansas City School of Medicine, Kansas City, USA
| | - Mariam Haji
- Internal Medicine, University of Missouri Kansas City School of Medicine, Kansas City, USA
| | - Noor Hassan
- Internal Medicine, University of Missouri Kansas City School of Medicine, Kansas City, USA
| | - Hana Qasim
- Internal Medicine, University of Missouri Kansas City School of Medicine, Kansas City, USA
| | - Rawan Rajab
- Internal Medicine, University of Missouri Kansas City School of Medicine, Kansas City, USA
| | - Rami Rajab
- Biology, Saint Louis University, Saint Louis, USA
| | - Ali Ibrahim
- Internal Medicine, University of Missouri Kansas City School of Medicine, Kansas City, USA
| | - Mir Zulqarnain
- Gastroenterology and Hepatology, University of Missouri Kansas City School of Medicine, Kansas City, USA
| | - Esmat Z Sadeddin
- Gastroenterology and Hepatology, University of Missouri Kansas City School of Medicine, Kansas City, USA
| | - Hassan Ghoz
- Gastroenterology and Hepatology, University of Missouri Kansas City School of Medicine, Kansas City, USA
| | - Sobrina Mohammed
- Internal Medicine, University of Missouri Kansas City School of Medicine, Kansas City, USA
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4
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Permaisuari N, Anggraini N, Mahyuddin M, Kodrat E, Rajabto W. A Case Series of Aggressive Orbital Plasmacytomas. Ocul Oncol Pathol 2023; 8:197-202. [PMID: 36925734 PMCID: PMC10013509 DOI: 10.1159/000527273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Accepted: 09/06/2022] [Indexed: 11/19/2022] Open
Abstract
Purpose Orbital plasmacytoma is a tumor of plasma cells located in the orbit, which is uncommon and only accounts for less than 1% of total orbital tumors. Sixty-five percent of orbital plasmacytoma are carrying a diagnosis of multiple myeloma. We hereby present two aggressive orbital plasmacytoma cases, a rare orbital malignancy with unsatisfactory outcomes. Methods This is a series of two orbital plasmacytoma cases. Both initial complaints were unilateral rapid onset of non-axial proptosis with palpable mass in the superior orbit. The first case was IgA-type multiple myeloma with multiple secondary plasmacytomas diagnosed based on systemic evaluation showing hyperproteinemia, IgA level elevation with free κ-light chains, and multiple destructive osteolytic lesions. The second patient unfortunately died before systemic evaluation was carried out. Results Both patients died less than 2 months after diagnosis, underscoring a very poor prognosis. It is important to perform systemic evaluation and appropriate treatment immediately once the diagnosis has been established. Conclusions Orbital plasmacytoma is a rare orbital malignancy and is commonly secondary to systemic multiple myeloma. Ophthalmologists should have a high index of suspicion as it has a nonspecific presentation and consider it as one of the differential diagnoses in orbital tumors.
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Affiliation(s)
- Nizma Permaisuari
- Department of Ophthalmology, Faculty of Medicine Universitas Indonesia-Cipto Mangunkusumo Hospital, Jakarta, Indonesia
| | - Neni Anggraini
- Department of Ophthalmology, Faculty of Medicine Universitas Indonesia-Cipto Mangunkusumo Hospital, Jakarta, Indonesia
| | - Mutmainah Mahyuddin
- Department of Ophthalmology, Faculty of Medicine Universitas Indonesia-Cipto Mangunkusumo Hospital, Jakarta, Indonesia
| | - Evelina Kodrat
- Department of Anatomic Phatology, Faculty of Medicine Universitas Indonesia-Cipto Mangunkusumo Hospital, Jakarta, Indonesia
| | - Wulyo Rajabto
- Department of Internal Medicine, Faculty of Medicine Universitas Indonesia-Cipto Mangunkusumo Hospital, Jakarta, Indonesia
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5
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Belachew NF, Diebold M, Reinacher PC, Prinz M, Urbach H, Erny D, Taschner CA. Freiburg Neuropathology Case Conference : A 51-year-old Patient Presenting with Transient Speech Disorder and a Mass Lesion in the Right Parietal White Matter. Clin Neuroradiol 2022; 32:875-881. [PMID: 35881163 PMCID: PMC9424149 DOI: 10.1007/s00062-022-01195-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/04/2022] [Indexed: 11/26/2022]
Affiliation(s)
- N F Belachew
- Departments of Neuroradiology, University of Freiburg, Breisacherstraße 64, 79106, Freiburg, Germany.,Medical Centre, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - M Diebold
- Neuropathology, University of Freiburg, Freiburg, Germany.,Medical Centre, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - P C Reinacher
- Stereotactic & Functional Neurosurgery, University of Freiburg, Freiburg, Germany.,Medical Centre, Faculty of Medicine, University of Freiburg, Freiburg, Germany.,Fraunhofer Institute for Laser Technology, Aachen, Germany
| | - M Prinz
- Neuropathology, University of Freiburg, Freiburg, Germany.,Medical Centre, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - H Urbach
- Departments of Neuroradiology, University of Freiburg, Breisacherstraße 64, 79106, Freiburg, Germany.,Medical Centre, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - D Erny
- Neuropathology, University of Freiburg, Freiburg, Germany.,Medical Centre, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - C A Taschner
- Departments of Neuroradiology, University of Freiburg, Breisacherstraße 64, 79106, Freiburg, Germany. .,Medical Centre, Faculty of Medicine, University of Freiburg, Freiburg, Germany.
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6
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彭 俊, 曾 泉. [Extramedullary plasmacytoma of the larynx:a case report]. LIN CHUANG ER BI YAN HOU TOU JING WAI KE ZA ZHI = JOURNAL OF CLINICAL OTORHINOLARYNGOLOGY, HEAD, AND NECK SURGERY 2022; 36:553-556. [PMID: 35822386 PMCID: PMC10128390 DOI: 10.13201/j.issn.2096-7993.2022.07.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Indexed: 06/15/2023]
Abstract
This paper reported a case of extramedullary plasmacytoma of the larynx. The patient presented with persistent hoarseness and foreign body sensation in pharynx for 5 months. Left anterior laryngeal mass, left epiglottis fold distention was found during laryngoscopy. Cervical image examination showed that the left side wall of the glottis was thickened and showed a lump-like change, part of which protrusion into the laryngeal cavity, the laryngeal chamber became narrow, and the growth of thyroid cartilage was broken outwards and reached the level of the hyoid bone. After completing the examination, the laryngeal tumor resection and biopsy were performed under the suspension laryngoscope. Pathologic findings showed that diffuse proliferation of small cells was observed in laryngeal subepithelial fibrous tissue, with local appearance of private, atypia and mitosis. Combined with immunohistochemical results, it was consistent with plasma cell tumor.
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Affiliation(s)
- 俊 彭
- 重庆医科大学附属第一医院耳鼻咽喉科(重庆,400016)Department of Otolaryngology, the First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - 泉 曾
- 重庆医科大学附属第一医院耳鼻咽喉科(重庆,400016)Department of Otolaryngology, the First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
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7
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Nazarovs J, Lapse D, Stūre G, Soloveičika M, Jaunozolina L, Ozoliņa E, Lejniece S. Intracerebral Plasmacytoma in a Patient with HIV-1 Infection and SARS-CoV-2 Superinfection. Brain Sci 2022; 12:brainsci12060705. [PMID: 35741591 PMCID: PMC9220964 DOI: 10.3390/brainsci12060705] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 05/12/2022] [Accepted: 05/25/2022] [Indexed: 02/05/2023] Open
Abstract
We present a rare case of intracranial solitary plasmacytoma arising in brain parenchyma in the basal nuclei. Clinical management and autopsy results of the case are described. Background: Intracranial plasmacytomas arising from brain parenchyma are extremely rare, and data from the literature are limited. Primary intracranial plasmacytomas are rare because plasma cells are not found in the brain in normal conditions. Commonly, intracranial plasmacytoma is associated with multiple myeloma, which is why multiple myeloma must be ruled out to diagnose solitary intracranial plasmacytoma. Considering that solitary plasmacytoma and multiple myeloma have some histopathological similarities, it is important to differentiate them because their respective treatments and prognoses are different. Imaging features of primary extramedullary plasmacytoma are nonspecific but are compatible with solid tumors with invariable enhancement. Plasmacytoma was aggressive because it was not diagnosed after the first MRI, but 1.5 months later, MRI showed a large object. We present a rare case of intracranial solitary plasmacytoma arising in brain parenchyma in the basal nuclei.
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Affiliation(s)
- Jurijs Nazarovs
- Pathology Centre, Riga East Clinical University Hospital, Hipokrāta Street 2, LV-1038 Rīga, Latvia; (D.L.); (L.J.); (E.O.)
- Pathology Institute, Pauls Stradins Clinical University Hospital, Pilsoņu Street 13, LV-1002 Rīga, Latvia
- Department of Pathology, Riga Stradins University, Dzirciema Street 16, LV-1007 Rīga, Latvia
- Correspondence: ; Tel.: +371-29978770
| | - Daira Lapse
- Pathology Centre, Riga East Clinical University Hospital, Hipokrāta Street 2, LV-1038 Rīga, Latvia; (D.L.); (L.J.); (E.O.)
- Pathology Institute, Pauls Stradins Clinical University Hospital, Pilsoņu Street 13, LV-1002 Rīga, Latvia
| | - Gunta Stūre
- Latvian Centre of Infectious Diseases, Riga East Clinical University Hospital, Linezera, LV-1002 Rīga, Latvia;
- Department of Infectious Diseases, Riga Stradins University, Dzirciema Street 16, LV-1007 Rīga, Latvia
| | - Marina Soloveičika
- Department of Laboratory, Riga East Clinical University Hospital, Hipokrata Street 2, LV-1038 Rīga, Latvia;
| | - Līga Jaunozolina
- Pathology Centre, Riga East Clinical University Hospital, Hipokrāta Street 2, LV-1038 Rīga, Latvia; (D.L.); (L.J.); (E.O.)
- Department of Radiology, Riga Stradins University, Dzirciema Street 16, LV-1007 Rīga, Latvia
| | - Elīna Ozoliņa
- Pathology Centre, Riga East Clinical University Hospital, Hipokrāta Street 2, LV-1038 Rīga, Latvia; (D.L.); (L.J.); (E.O.)
| | - Sandra Lejniece
- Hematology and Chemotherapy Clinic, Riga East Clinical University Hospital, Hipokrāta Street 2, LV-1038 Rīga, Latvia;
- Department of Internal Diseases, Riga Stradins University, Dzirciema Street 16, LV-1007 Rīga, Latvia
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8
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Russell LG, Davis LAK, Hunter JE, Perkins ND, Kenneth NS. Increased migration and motility in XIAP-null cells mediated by the C-RAF protein kinase. Sci Rep 2022; 12:7943. [PMID: 35562367 PMCID: PMC9106734 DOI: 10.1038/s41598-022-11438-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Accepted: 04/11/2022] [Indexed: 11/18/2022] Open
Abstract
The product encoded by the X-linked inhibitor of apoptosis (XIAP) gene is a multi-functional protein which not only controls caspase-dependent cell death, but also participates in inflammatory signalling, copper homeostasis, response to hypoxia and control of cell migration. Deregulation of XIAP, either by elevated expression or inherited genetic deletion, is associated with several human disease states. Reconciling XIAP-dependent signalling pathways with its role in disease progression is essential to understand how XIAP promotes the progression of human pathologies. In this study we have created a panel of genetically modified XIAP-null cell lines using TALENs and CRISPR/Cas9 to investigate the functional outcome of XIAP deletion. Surprisingly, in our genetically modified cells XIAP deletion had no effect on programmed cell death, but instead the primary phenotype we observed was a profound increase in cell migration rates. Furthermore, we found that XIAP-dependent suppression of cell migration was dependent on XIAPdependent control of C-RAF levels, a protein kinase which controls cell signalling pathways that regulate the cytoskeleton. These results suggest that XIAP is not necessary for control of the apoptotic signalling cascade, however it does have a critical role in controlling cell migration and motility that cannot be compensated for in XIAP-knockout cells.
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Affiliation(s)
- Lauren G Russell
- Newcastle University Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, NE2 4HH, UK
| | - Lydia A K Davis
- Newcastle University Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, NE2 4HH, UK
| | - Jill E Hunter
- Newcastle University Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, NE2 4HH, UK
| | - Neil D Perkins
- Newcastle University Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, NE2 4HH, UK
| | - Niall S Kenneth
- Newcastle University Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, NE2 4HH, UK.
- Department of Molecular Physiology and Cell Signalling, Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool, L69 7ZB, UK.
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9
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Bin Waqar SH, Rehan A, Salahi N, Zhonghua L, McFarlane I. An Exceptional Case of Diplopia and Ptosis: Extramedullary Plasmacytoma of the Clivus With Multiple Myeloma. Cureus 2022; 14:e23219. [PMID: 35308186 PMCID: PMC8926082 DOI: 10.7759/cureus.23219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/16/2022] [Indexed: 11/12/2022] Open
Abstract
Intracranial plasmacytoma is an exceedingly rare presentation of plasma cell neoplasms. Usually presenting late in the course of the disease, progression from the presentation can be abrupt. Hence, a low threshold to biopsy the lesion should be maintained during diagnostic evaluation. Multiple myeloma workup should also be sent and treated concomitantly along with local treatment. Here, we present a case of extramedullary plasmacytoma of the clivus leading to progressive visual deficits with undiagnosed multiple myeloma requiring pulse steroids, intracranial irradiation, and high-dose chemotherapy with improvement in symptoms.
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10
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Liu Y, Yuan X, Peng X, Xing Z, Yu L. Extramedullary plasmacytoma of the nasal inferior turbinate: a case report. J Int Med Res 2021; 49:3000605211062503. [PMID: 34894822 PMCID: PMC8669883 DOI: 10.1177/03000605211062503] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
An extramedullary plasmacytoma (EMP) is a rare neoplasm characterized by monoclonal proliferation of plasma cells without features of multiple myeloma. Most EMPs occur in the head and neck region, especially in the aerodigestive tract. We herein report a case of an EMP arising from the nasal inferior turbinate. The mass was surgically removed, and a short cycle of radiotherapy was performed after the surgery. There was no recurrence of the tumor after 1 year of follow-up. These result may be useful for physicians who encounter similar situations in clinical practice.
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Affiliation(s)
- Yan Liu
- Department of Otorhinolaryngology, Head and Neck Surgery, Peking University People's Hospital, Beijing, China
| | - Xiaopei Yuan
- Department of Otorhinolaryngology, Head and Neck Surgery, Peking University People's Hospital, Beijing, China
| | - Xiaohong Peng
- Department of Otorhinolaryngology, Head and Neck Surgery, The People's Hospital of Yudu Country, GanZhou, JiangXi, China
| | - Zhiming Xing
- Department of Otorhinolaryngology, Head and Neck Surgery, Peking University People's Hospital, Beijing, China
| | - Lisheng Yu
- Department of Otorhinolaryngology, Head and Neck Surgery, Peking University People's Hospital, Beijing, China
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11
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Clinical and Biological Characteristics of Medullary and Extramedullary Plasma Cell Dyscrasias. BIOLOGY 2021; 10:biology10070629. [PMID: 34356484 PMCID: PMC8301115 DOI: 10.3390/biology10070629] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 06/18/2021] [Indexed: 11/22/2022]
Abstract
Simple Summary Extramedullary disease can occur either in multiple myeloma at the initial diagnosis or relapse or as primary extramedullary plasmocytoma/solitary osseous plasmocytoma. The exact molecular mechanisms underlying extramedullary spread of clonal plasma cells are not fully understood. The aim of our study was to assess further insights into clinical and biological characteristics of different types of extramedullary plasma cell disorders. We show that expression profiles of molecules involved in homing and cytogenetic abnormalities differ between various types of plasma cell dyscrasias, indicating the contrasting biology of these diseases. Abstract Background: Extramedullary plasma cell (PC) disorders may occur as extramedullary disease in multiple myeloma (MM-EMD) or as primary extramedullary plasmocytoma (pEMP)/solitary osseous plasmocytoma (SOP). In this study, we aimed to obtain insights into the molecular mechanisms of extramedullary spread of clonal PC. Methods: Clinical and biological characteristics of 87 patients with MM-EMD (n = 49), pEMP/SOP (n = 20) and classical MM (n = 18) were analyzed by using immunohistochemistry (CXCR4, CD31, CD44 and CD81 staining) and cytoplasmic immunoglobulin staining combined with fluorescence in situ hybridization (cIg-FISH). Results: High expression of CD44, a cell-surface glycoprotein involved in cell-cell interactions, was significantly enriched in MM-EMD (90%) vs. pEMP/SOP (27%) or classical MM (33%) (p < 0.001). In addition, 1q21 amplification by clonal PC occurred at a similar frequency of MM-EMD (33%), pEMP/SOP (57%) and classical MM (44%). Conversely, del(17p13), t(4;14) and t(14;16) were completely absent in pEMP/SOP. Besides this, 1q21 amplification was identified in 64% of not paraskeletal samples from MM-EMD or pEMP compared to 9% of SOP or paraskeletal MM-EMD/pEMP and 44% of classical MM samples, respectively (p = 0.02). Conclusion: Expression of molecules involved in homing and cytogenetic aberrations differ between MM with or without EMD and pEMP/SOP.
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12
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Alshomar KM, Altariqi SM, Alrikabi AC, Alkatan HM, Al-Faky YH. Primary extramedullary plasmacytoma of the eyelid conjunctiva - A case report and review of the literature. Ann Med Surg (Lond) 2020; 55:1-4. [PMID: 32435472 PMCID: PMC7229271 DOI: 10.1016/j.amsu.2020.04.028] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 04/22/2020] [Accepted: 04/28/2020] [Indexed: 11/24/2022] Open
Abstract
Extramedullary plasmacytomas (EMPs) are uncommon plasma cell tumors that develop in soft tissue as isolated tumors without osseous involvement while secondary lesions are associated with systemic multiple myeloma (MM). Primary extramedullary lesions are most commonly found in upper respiratory tract, gastrointestinal tract and lymph nodes. They can be found either in patients with history of MM or preceding the manifestation of a systemic disease. Orbital manifestation of the lesion is rare but conjunctival involvement is very unusual. The reported cases in the English-written literature are only five cases. Herein, we report the sixth case of primary EMP in a middle-aged adult who presented with a lesion confined to the conjunctiva, unremarkable present and past medical history, and confirmed tissue diagnosis. In addition, a review and summary of the previously reported cases in the literature is presented. We aim to attract the attention of ophthalmic surgeons to consider plasmacytoma within the differential diagnosis of a conjunctival lesion. Extramedullary plasmacytomas (EMP) are isolated primary soft tissue plasma cell tumors without osseous involvement. Secondary lesions are associated with systemic multiple myeloma. The conjunctiva is a very unusual location for primary lesions. We are reporting the sixth case of conjunctival primary EMP. All cases including ours are summarized.
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Affiliation(s)
- Khalid M Alshomar
- Ophthalmology Department, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Sulaiman M Altariqi
- Ophthalmology Department, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Ammar C Alrikabi
- Pathology Department, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Hind M Alkatan
- Ophthalmology Department, College of Medicine, King Saud University, Riyadh, Saudi Arabia.,Pathology Department, College of Medicine, King Saud University, Riyadh, Saudi Arabia
| | - Yasser H Al-Faky
- Ophthalmology Department, College of Medicine, King Saud University, Riyadh, Saudi Arabia
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13
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Guan X, Jalil A, Khanal K, Liu B, Jain AG. Extramedullary Plasmacytoma Involving the Heart: A Case Report and Focused Literature Review. Cureus 2020; 12:e7418. [PMID: 32337142 PMCID: PMC7182159 DOI: 10.7759/cureus.7418] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Cardiac tumors are extremely rare. Here, we report an unusual case of cardiac plasmacytoma that occurred 11 years after complete remission of the original multiple myeloma (MM). The tumor primarily manifested as a solitary extramedullary plasmacytoma (SEP) with extensive infiltration into the heart and large vessels. There was no evidence of systemic involvement. The relapsing tumor assumed a unique immunophenotype from CD138+/CD38+/CD56- to CD138-/CD38+/CD56-. The patient responded to chemotherapy consisting of carfilzomib, cyclophosphamide, and dexamethasone. This case highlights the importance of multimodal imaging evaluation and tissue diagnosis for accurately characterizing this rare disorder.
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Affiliation(s)
- Xuan Guan
- Internal Medicine, AdventHealth, Orlando, USA
| | - Anum Jalil
- Internal Medicine, AdventHealth, Orlando, USA
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14
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Jin L, Gui S, Li C, Bai J, Cao L, Liu C, Wang X, Zhang Y. Differential Diagnosis and Treatment Modality of Parasellar Plasmacytoma: Clinical Series and Literature Review. World Neurosurg 2018; 122:e978-e988. [PMID: 30414521 DOI: 10.1016/j.wneu.2018.10.183] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2018] [Revised: 10/25/2018] [Accepted: 10/27/2018] [Indexed: 11/27/2022]
Abstract
BACKGROUND Parasellar plasmacytomas are rare tumors arising from the sellar region that should be considered in the differential diagnosis of lesions involving the sella and clivus. Before surgical pathologic examination, parasellar plasmacytomas have often been misdiagnosed as invasive pituitary adenomas or chordomas owing to the similarity of the clinical presentation and imaging findings. METHODS We retrospectively reviewed the data from 5 patients with parasellar plasmacytoma who underwent endonasal endoscopic tumor resection in Beijing Tiantan Hospital from January 2008 to January 2018. Their clinical symptoms, radiological features, and treatment modalities and outcomes were summarized. RESULTS We enrolled a total of 5 patients (3 men and 2 women; median age at diagnosis, 54 years; range, 47-61) with parasellar plasmacytoma in the present clinical series. The presenting symptoms mainly included diplopia, headache, and blurred vision. All the patients had undergone endonasal endoscopic surgery combined with adjuvant therapy. After postoperative radiotherapy, complete remission was achieved within a median follow-up period of 41 months (range, 15-120). CONCLUSIONS The differential diagnosis of parasellar plasmacytoma with pituitary adenoma and chordoma should include a thorough endocrine workup, neurological examination, and radiological assessment. Our findings support radiotherapy as the main treatment of choice for parasellar plasmacytoma, given its typical feature of relatively high radiosensitivity. Tumor resection through the endonasal endoscopic approach combined with adjuvant radiotherapy could be the optimal initial treatment strategy in long-term control of the lesion and alleviation of neurological symptoms.
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Affiliation(s)
- Lu Jin
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Songbai Gui
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.
| | - Chuzhong Li
- Beijing Neurosurgical Institute, Capital Medical University, Beijing, China
| | - Jiwei Bai
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Lei Cao
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Chunhui Liu
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Xinsheng Wang
- Department of Neurosurgery, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Yazhuo Zhang
- Beijing Neurosurgical Institute, Capital Medical University, Beijing, China
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Vento SI, Vähämurto P, Silventoinen K, Karjalainen-Lindsberg ML, Mannisto S, Leppä S, Mäkitie AA. Clinical findings in 25 patients with sinonasal or nasopharyngeal extramedullary plasmacytoma in a four-decade single-centre series. Acta Otolaryngol 2017; 137:975-980. [PMID: 28537101 DOI: 10.1080/00016489.2017.1325514] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
OBJECTIVES Extramedullary plasmacytoma in the sinonasal tract or nasopharynx is rare. The aim of the study was to review data on symptoms, clinical findings, treatment and follow-up of plasmacytomas in the sinonasal and nasopharyngeal regions in order to delineate the main clinical characteristics and the optimal management. METHOD Twenty-five patients with sinonasal or nasopharyngeal plasmacytoma, diagnosed and treated at the Helsinki University Hospital during a 39-year period from 1975 to 2013 were retrospectively reviewed. RESULTS There were 18 males and 7 females with a median age of 66 years (range, 36-80). Sixty-eight percent received only radiotherapy or (chemo)radiotherapy. Forty-seven percent of them had a complete response to primary radiotherapy and one patient had a complete response after receiving additional brachytherapy. Four patients were treated primarily with surgery only. Two of them had a local recurrence, but were then successfully treated with radiotherapy. Altogether, four patients received a combination of surgery and (chemo)radiotherapy. Forty-four percent were alive with no evidence of disease after a median follow-up time of 78 months. Forty percent died of their disease and 16% died of other causes. CONCLUSIONS Our study supports radiotherapy as a treatment of choice, but for small tumours surgery alone or in combination with radiotherapy may also be considered.
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Affiliation(s)
- Seija Inkeri Vento
- Department of Otorhinolaryngology – Head and Neck Surgery, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Pauli Vähämurto
- Department of Otorhinolaryngology – Head and Neck Surgery, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
- Department of Oncology and Research Program Unit, Medical Faculty, University of Helsinki and Helsinki University Hospital Cancer Center, Helsinki, Finland
| | - Kaija Silventoinen
- Department of Otorhinolaryngology – Head and Neck Surgery, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | | | - Susanna Mannisto
- Department of Oncology and Research Program Unit, Medical Faculty, University of Helsinki and Helsinki University Hospital Cancer Center, Helsinki, Finland
| | - Sirpa Leppä
- Department of Oncology and Research Program Unit, Medical Faculty, University of Helsinki and Helsinki University Hospital Cancer Center, Helsinki, Finland
| | - Antti Aarni Mäkitie
- Department of Otorhinolaryngology – Head and Neck Surgery, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
- Division of Ear, Nose and Throat Diseases, Department of Clinical Sciences, Intervention and Technology, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
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16
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Cantone E, Di Lullo AM, Marano L, Guadagno E, Mansueto G, Capriglione P, Catalano L, Iengo M. Strategy for the treatment and follow-up of sinonasal solitary extramedullary plasmacytoma: a case series. J Med Case Rep 2017; 11:219. [PMID: 28793931 PMCID: PMC5550939 DOI: 10.1186/s13256-017-1382-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Accepted: 07/07/2017] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Extramedullary plasmacytoma is a rare neoplasm characterized by monoclonal proliferation of plasma cells outside bone marrow. It accounts for 4% of all non-epithelial sinonasal tumors. According to the literature, radiotherapy is the standard therapy for extramedullary plasmacytoma. However, the conversion rate of extramedullary plasmacytoma to multiple myeloma is reported to be between 11 and 33% over 10 years. The highest risk of conversion is reported during the first 2 years after diagnosis, but conversion has been noted up to 15 years after diagnosis. Once conversion to multiple myeloma is complete, less than 10% of patients will survive 10 years. CASE PRESENTATION We present three cases of sinonasal extramedullary plasmacytoma who underwent radiotherapy: a 61-year-old white man, a 60-year-old white man, and a 37-year-old white woman. We found long-term survival with stable disease in all three cases. CONCLUSIONS The management of solitary extramedullary plasmacytomas of the sinonasal tract is not well established yet. However, the possibility of recurrence and progression to multiple myeloma requires a thorough follow-up protocol. Due to the absence of a standardized protocol for these tumors, we tried to design a tailored long-term follow-up scheme.
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Affiliation(s)
- Elena Cantone
- Department of Neuroscience, Reproductive and Odontostomatologic Science, ENT Section, "Federico II" University of Naples-Italy, S. Pansini, 5, 80131, Naples, Italy
| | - Antonella Miriam Di Lullo
- Department of Neuroscience, Reproductive and Odontostomatologic Science, ENT Section, "Federico II" University of Naples-Italy, S. Pansini, 5, 80131, Naples, Italy. .,Università degli Studi di Napoli "Federico II", Via Pansini, 5, Naples, Italy.
| | - Luana Marano
- Department of Hematology, "Federico II" University of Naples-Italy, S. Pansini, 5, 80131, Naples, Italy
| | - Elia Guadagno
- Department of Advanced Biomedical Sciences, Pathology Section, "Federico II" University of Naples-Italy, S. Pansini, 5, 80131, Naples, Italy
| | - Gelsomina Mansueto
- Department of Advanced Biomedical Sciences, Pathology Section, "Federico II" University of Naples-Italy, S. Pansini, 5, 80131, Naples, Italy
| | - Pasquale Capriglione
- Department of Neuroscience, Reproductive and Odontostomatologic Science, ENT Section, "Federico II" University of Naples-Italy, S. Pansini, 5, 80131, Naples, Italy
| | - Lucio Catalano
- Department of Hematology, "Federico II" University of Naples-Italy, S. Pansini, 5, 80131, Naples, Italy
| | - Maurizio Iengo
- Department of Neuroscience, Reproductive and Odontostomatologic Science, ENT Section, "Federico II" University of Naples-Italy, S. Pansini, 5, 80131, Naples, Italy
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Ghazizadeh M, Alavi Amlashi H, Mehrparvar G. Radioresistant Extramedullary Plasmacytoma of the Maxillary Sinus: A Case Report and review article. IRANIAN JOURNAL OF OTORHINOLARYNGOLOGY 2015; 27:313-8. [PMID: 26788481 PMCID: PMC4710885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/14/2014] [Accepted: 07/01/2014] [Indexed: 11/06/2022]
Abstract
INTRODUCTION Plasmacytoma is a monoclonal proliferation of plasma cells. It can be an isolated lesion, for which the term extramedullary plasmacytoma is used, or a representation of multiple myeloma.The upper respiratory tract is the most common site for an extramedullary plasmacytoma. Sinonasal plasmacytomas cause different symptoms depending on the sites of origins and the areas of involvement. The treatment of choice for extramedullary plasmacytoma is local radiotherapy. Although it is generally accepted that plasmacytomas are radiosensitive, there are reports of cases that do not respond to radiotherapy. CASE REPORT A case of a 24-year-old male diagnosed with radioresistant extramedullary plasmacytoma of the maxillary sinus, who responded to surgical treatment, is reported. CONCLUSION It is reasonable to consider an interdisciplinary approach in the management of extramedullary plasmacytoma. Considering early surgical intervention in cases encompassing risk factors of radiotherapy resistance is especially recommended before debilitating complications emerge.
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Affiliation(s)
- Matin Ghazizadeh
- Department of Otorhinolaryngology, Head and Neck Surgery, Taleghani Hospital,Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Hesamodin Alavi Amlashi
- Department of Otorhinolaryngology, Head and Neck Surgery, Taleghani Hospital,Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Golfam Mehrparvar
- Department of Otorhinolaryngology, Head and Neck Surgery, Taleghani Hospital,Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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D'Aguillo C, Soni RS, Gordhan C, Liu JK, Baredes S, Eloy JA. Sinonasal extramedullary plasmacytoma: a systematic review of 175 patients. Int Forum Allergy Rhinol 2013; 4:156-63. [DOI: 10.1002/alr.21254] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2013] [Accepted: 10/22/2013] [Indexed: 11/10/2022]
Affiliation(s)
- Christine D'Aguillo
- Department of Otolaryngology-Head and Neck Surgery; Rutgers New Jersey Medical School; Newark NJ
| | - Resha S. Soni
- Department of Otolaryngology-Head and Neck Surgery; Rutgers New Jersey Medical School; Newark NJ
| | - Chirag Gordhan
- Department of Otolaryngology-Head and Neck Surgery; Rutgers New Jersey Medical School; Newark NJ
| | - James K. Liu
- Department of Otolaryngology-Head and Neck Surgery; Rutgers New Jersey Medical School; Newark NJ
- Department of Neurological Surgery; Rutgers New Jersey Medical School; Newark NJ
- Center for Skull Base and Pituitary Surgery, Neurological Institute of New Jersey; Rutgers New Jersey Medical School; Newark NJ
| | - Soly Baredes
- Department of Otolaryngology-Head and Neck Surgery; Rutgers New Jersey Medical School; Newark NJ
- Center for Skull Base and Pituitary Surgery, Neurological Institute of New Jersey; Rutgers New Jersey Medical School; Newark NJ
| | - Jean Anderson Eloy
- Department of Otolaryngology-Head and Neck Surgery; Rutgers New Jersey Medical School; Newark NJ
- Department of Neurological Surgery; Rutgers New Jersey Medical School; Newark NJ
- Center for Skull Base and Pituitary Surgery, Neurological Institute of New Jersey; Rutgers New Jersey Medical School; Newark NJ
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Chopra M, Kraus S, Schwinn S, Ritz M, Mattenheimer K, Mottok A, Rosenwald A, Einsele H, Beilhack A. Non-invasive bioluminescence imaging to monitor the immunological control of a plasmablastic lymphoma-like B cell neoplasia after hematopoietic cell transplantation. PLoS One 2013; 8:e81320. [PMID: 24349055 PMCID: PMC3865349 DOI: 10.1371/journal.pone.0081320] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2013] [Accepted: 10/21/2013] [Indexed: 12/20/2022] Open
Abstract
To promote cancer research and to develop innovative therapies, refined pre-clinical mouse tumor models that mimic the actual disease in humans are of dire need. A number of neoplasms along the B cell lineage are commonly initiated by a translocation recombining c-myc with the immunoglobulin heavy-chain gene locus. The translocation is modeled in the C.129S1-Ighatm1(Myc)Janz/J mouse which has been previously engineered to express c-myc under the control of the endogenous IgH promoter. This transgenic mouse exhibits B cell hyperplasia and develops diverse B cell tumors. We have isolated tumor cells from the spleen of a C.129S1-Ighatm1(Myc)Janz/J mouse that spontaneously developed a plasmablastic lymphoma-like disease. These cells were cultured, transduced to express eGFP and firefly luciferase, and gave rise to a highly aggressive, transplantable B cell lymphoma cell line, termed IM380. This model bears several advantages over other models as it is genetically induced and mimics the translocation that is detectable in a number of human B cell lymphomas. The growth of the tumor cells, their dissemination, and response to treatment within immunocompetent hosts can be imaged non-invasively in vivo due to their expression of firefly luciferase. IM380 cells are radioresistant in vivo and mice with established tumors can be allogeneically transplanted to analyze graft-versus-tumor effects of transplanted T cells. Allogeneic hematopoietic stem cell transplantation of tumor-bearing mice results in prolonged survival. These traits make the IM380 model very valuable for the study of B cell lymphoma pathophysiology and for the development of innovative cancer therapies.
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Affiliation(s)
- Martin Chopra
- Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
- Center for Interdisciplinary Clinical Research, Würzburg University, Würzburg, Germany
| | - Sabrina Kraus
- Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
- Center for Interdisciplinary Clinical Research, Würzburg University, Würzburg, Germany
| | - Stefanie Schwinn
- Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
- Center for Interdisciplinary Clinical Research, Würzburg University, Würzburg, Germany
| | - Miriam Ritz
- Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
- Center for Interdisciplinary Clinical Research, Würzburg University, Würzburg, Germany
| | - Katharina Mattenheimer
- Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
- Center for Interdisciplinary Clinical Research, Würzburg University, Würzburg, Germany
| | - Anja Mottok
- Institute of Pathology, Würzburg University, Würzburg, Germany
| | | | - Hermann Einsele
- Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
| | - Andreas Beilhack
- Department of Internal Medicine II, University Hospital Würzburg, Würzburg, Germany
- Center for Interdisciplinary Clinical Research, Würzburg University, Würzburg, Germany
- * E-mail:
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Guo S, Zhi Y, Yang H, Yu Y, Wang Y, Zhang J, Wang G, Zhang L, Sun B, Zhang Y. Bcl-2 expression is associated with poor prognosis of solitary plasmacytoma of bone. Ann Hematol 2013; 93:471-7. [DOI: 10.1007/s00277-013-1897-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2013] [Accepted: 08/27/2013] [Indexed: 12/01/2022]
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21
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Zhou Q, Lu G, Liu A, Kohno T. Extraskeletal myxoid chondrosarcoma in the lung: asymptomatic lung mass with severe anemia. Diagn Pathol 2012; 7:112. [PMID: 22925697 PMCID: PMC3487864 DOI: 10.1186/1746-1596-7-112] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2012] [Accepted: 08/13/2012] [Indexed: 12/14/2022] Open
Abstract
Extraskeletal myxoid chondrosarcoma (EMC) is a rare soft-tissue sarcoma, which primarily occurs deep in the extremities, especially in skeletal muscle, or tendon. EMC of the pleura has been described, however, no case of primary EMC arising from lung has been previously reported. We describe herein, a 51-year-old Asian female initially manifested with signs of severe anemia who presented with a lung mass unrelated to pleura that was morphologically typical EMC, with strong immunoreactivity for vimentin and NSE. Two weeks after resection, the anemia was cured. The patient continued with follow-up, without sign of abnormality 32 months after operation.
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Affiliation(s)
- Qianjun Zhou
- Department of General thoracic surgery, Shanghai First People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, PR China.
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