1
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Magharious MM, Pekmezci M, Mamlouk MD, Horton JC, Levin MH. Revised Diagnosis From Histiocytic Neoplasm to Optic Chiasm Glioblastoma After Genetic Analysis. J Neuroophthalmol 2024:00041327-990000000-00671. [PMID: 38926909 DOI: 10.1097/wno.0000000000002207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/28/2024]
Abstract
ABSTRACT A 46-year-old man presented with left eye blurring. Automated visual field testing showed an incongruous right hemianopia, with sparing of the lower temporal quadrant in the right eye. MRI revealed foci of gadolinium enhancement in the optic chiasm and optic tracts. Serologic testing (including myelin oligodendrocyte glycoprotein and neuromyelitis optica antibodies) and cerebrospinal fluid analysis were negative. Whole-body PET/CT scan found no malignancy. Biopsy of the optic chiasm revealed a moderately cellular neoplasm composed of atypical, discohesive cells with enlarged nuclei, prominent eosinophilic nucleoli, and abundant vacuolated cytoplasm. Immunohistochemical stains for CD68 and S100 were positive, whereas those for GFAP, OLIG2, SOX10, and multiple others were negative, supporting a diagnosis of histiocytic neoplasm. Five weeks later, results became available from next-generation sequencing targeting the coding regions of hundreds of malignancy-associated genes and select introns. Alterations associated with histiocytic neoplasms (i.e. BRAF and MAP2K1 mutations) were absent. However, there was a nonsense mutation in the PTEN gene, a hotspot mutation in the TERT gene promotor, and focal amplifications of the CDK4 and MDM2 genes. Additionally, there was chromosome 6q loss, 7 gain, and 10q loss. Based on these findings, the diagnosis was revised to glioblastoma, IDH-wildtype, CNS WHO grade 4. The patient began treatment with temozolomide while continuing radiation therapy. This case illustrates how next-generation sequencing can at times provide more accurate diagnostic information than standard tissue histopathology.
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Affiliation(s)
- Mark M Magharious
- Departments of Ophthalmology (MMM, MP, JCH, MHL) and Radiology and Biomedical Imaging (MDM), University of California San Francisco, San Francisco, California; Division of Neuropathology (MP), Department of Pathology, University of California San Francisco, San Francisco, California; and Department of Radiology (MDM), The Permanente Medical Group, Kaiser Permanente Medical Center, Santa Clara, California
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2
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Wang YX, Ma LL, Xu WN, Hu PZ, Yang SJ. Plexiform fibrohistiocytic tumor: A series of 10 case studies. Am J Clin Pathol 2024:aqae069. [PMID: 38884116 DOI: 10.1093/ajcp/aqae069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Accepted: 05/14/2024] [Indexed: 06/18/2024] Open
Abstract
OBJECTIVES We sought to investigate the clinicopathologic features and differential diagnosis of plexiform fibrohistiocytic tumor (PFHT) and its pathogenesis. METHODS Ten cases of PFHT were collected from Xi Jing Hospital, Fourth Military Medical University, from September 2008 to December 2022 for clinical data as well as microscopic and immunohistochemical observation. CCND1 gene amplification and break were assayed by fluorescence in situ hybridization (FISH). RESULTS We report 10 cases of PFHT according to histologic classification. Seven cases were of histiocytoid type, and 3 had mucous degeneration in the nodules. One case was of fibroblastic type, which was mainly composed of fibroblast-like cells. Two cases were of mixed type. Immunohistochemically, the osteoclast-like multinucleated giant cells, histiocyte-like cells, and occasional spindle cells in the adjacent fascicles were reactive for CD68 (10/10), CD163 (5/8), CD10 (8/8), cyclin D1 (8/8), CDK4 (5/8), β-catenin (4/6), MITF (2/6), and PGP9.5 (4/5). Vimentin (9/9) was strongly positive in tumor cells and peripheral fibroblast-like cells. The positive index of Ki-67 was 5% to 40%, with an average of 20%. The FISH analysis showed neither amplification nor break of the CCND1 gene. All cases underwent surgical resection, and patients were followed up for 9 months to 11 years. Only 2 cases recurred. CONCLUSIONS Plexiform fibrohistiocytic tumor is a low-grade malignant soft tissue neoplasm. The diagnosis mainly depends on histopathologic and immunohistochemical markers. Cyclin D1 and CD10 expression has diagnostic value for the diagnosis and differential diagnosis of PFHT combined with its plexiform morphology. The overexpression of cyclin D1 suggests an involvement of cell cycle regulatory genes in the pathogenesis of PFHT.
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Affiliation(s)
- Yan Xia Wang
- Department of Pathology, Xi Jing Hospital, Fourth Military Medical University, Xi'an, China
| | - Li Li Ma
- Department of Pathology, Xi Jing Hospital, Fourth Military Medical University, Xi'an, China
| | - Wan Ni Xu
- Department of Pathology, Xi Jing Hospital, Fourth Military Medical University, Xi'an, China
| | - Pei Zhen Hu
- Department of Pathology, Xi Jing Hospital, Fourth Military Medical University, Xi'an, China
| | - Shou Jing Yang
- Department of Pathology, Xi Jing Hospital, Fourth Military Medical University, Xi'an, China
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3
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Lin Y, Wang F, Xu Q, Tian J. A case of intracranial and extracranial multiple Rosai-Dorfman diseases. Asian J Surg 2024; 47:2506-2507. [PMID: 38307795 DOI: 10.1016/j.asjsur.2024.01.083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Accepted: 01/19/2024] [Indexed: 02/04/2024] Open
Affiliation(s)
- Yuxin Lin
- Department of Radiology, the Second Hospital of Dalian Medical University, 467 Zhong Shan Road, Dalian 116023, People's Republic of China
| | - Fei Wang
- Department of Radiology, the Second Hospital of Dalian Medical University, 467 Zhong Shan Road, Dalian 116023, People's Republic of China
| | - Qiushi Xu
- Department of Neurosurgery, Central Hospital of Dalian University of Technology, 826 Southwest Road, Dalian 116083, People's Republic of China.
| | - Juan Tian
- Department of Radiology, the Second Hospital of Dalian Medical University, 467 Zhong Shan Road, Dalian 116023, People's Republic of China.
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Cheuk W, Bledsoe JR. IgG4-related lymphadenopathy. Semin Diagn Pathol 2024; 41:108-115. [PMID: 38228439 DOI: 10.1053/j.semdp.2024.01.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Accepted: 01/02/2024] [Indexed: 01/18/2024]
Abstract
IgG4-related lymphadenopathy is a nodal manifestation of IgG4-related disease (IgG4RD) which is characterized by increased polytypic IgG4+ plasma cells and IgG4+/IgG+ plasma cell ratio in lymph nodes and morphologically manifested as various patterns of reactive lymphadenopathy: Castleman disease-like, follicular hyperplasia, interfollicular expansion, progressive transformation of germinal centers and inflammatory pseudotumor-like. It typically presents with solitary or multiple, mild to moderate lymph node enlargement in otherwise asymptomatic patients. The serum IgG4 level is frequently elevated but C-reactive protein often remains normal. In patients not having a history of IgG4RD or manifestation of extranodal IgG4RD, a diagnosis of IgG4-lymphadenopathy should only be made with great caution given the non-specific morphologic features that can overlap with ANCA-associated vasculitis, interleukin-6 syndromes, Rosai-Dorfman disease, inflammatory myofibroblastic tumor, syphilis, lymphoma, and plasma cell neoplasia. Elevated IgG4 parameters, appropriate morphologies, and clinical correlation are essential to make the diagnosis of IgG4-lymphadenopathy more specific and clinically meaningful.
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Affiliation(s)
- Wah Cheuk
- Department of Pathology, Queen Elizabeth Hospital, Hong Kong, China SAR.
| | - Jacob R Bledsoe
- Department of Pathology, Boston Children's Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA 02115, USA
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Auerbach A, Aguilera NS. The changing landscape of pediatric histiocytoses: Birth, life, and transdifferentiation of pediatric histiocytes. Semin Diagn Pathol 2023; 40:420-428. [PMID: 37258365 DOI: 10.1053/j.semdp.2023.05.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Accepted: 05/19/2023] [Indexed: 06/02/2023]
Abstract
Histiocytic neoplasms in the children are very rare, and histiocytoses can occur in the perinatal period. The presumed origins and presentation of specific histiocytoses in the pediatric age group are described. Common and newly described histiocytoses are presented including Langerhans cell histiocytosis, Rosai-Dorfman disease, histiocytic sarcoma, ALK positive histiocytosis, and hemophagocytic lymphohistiocytosis. Molecular findings common to pediatric histiocytoses are also discussed.
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Affiliation(s)
- Aaron Auerbach
- Joint Pathology Center, Silver Spring, MD, United States of America
| | - Nadine S Aguilera
- University of Virginia Health System, Charlottesville, VA, United States of America.
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6
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Liu Q, Liao F, Liu Y, Cheng Y, Qi C. Primary unifocal thymic Rosai-Dorfman disease: an extremely rare challenge in diagnostic practice. J Cardiothorac Surg 2023; 18:284. [PMID: 37817188 PMCID: PMC10566069 DOI: 10.1186/s13019-023-02381-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 09/30/2023] [Indexed: 10/12/2023] Open
Abstract
Rosai-Dorfman disease (RDD) is currently considered a group of neoplastic diseases of unknown etiology, with monoclonal proliferation of histiocytes, showing unique histopathologic features and varying clinical presentation. Primary thymic RDD is an extremely rare extranodal form of this disorder. In this study, we describe the case of an otherwise healthy 64-year-old Chinese man who presented with an isolated, asymptomatic soft tissue density lesion in the anterior mediastinum detected by computed tomography. Histology of the surgical specimen revealed infiltration of thymic tissue by sheets of large histiocytes with mixed lymphocytes and plasma cells, and background fibrosis. Immunohistochemical staining of the histiocytes was positive for S100, CD68, CD163, OCT2 and cyclin D1, but negative for CD1a and BrafV600E expression, thus supporting a diagnosis of RDD. Primary thymic RDD is extremely rare and may be a diagnostic challenge when presenting as mediastinal lesion.
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Affiliation(s)
- Qian Liu
- Department of Pathology, Jiangxi Provincial People's Hospital, the First Affiliated Hospital of Nanchang Medical College, No. 152, Aiguo Road, Nanchang, 330006, China
| | - Fengxiang Liao
- Department of Nuclear medicine, Jiangxi Provincial People's Hospital, the First Affiliated Hospital of Nanchang Medical College, Nanchang, 330006, China
| | - Yong Liu
- Department of Pathology, Jiangxi Provincial People's Hospital, the First Affiliated Hospital of Nanchang Medical College, No. 152, Aiguo Road, Nanchang, 330006, China
| | - Yang Cheng
- Department of Pathology, Jiangxi Provincial People's Hospital, the First Affiliated Hospital of Nanchang Medical College, No. 152, Aiguo Road, Nanchang, 330006, China
| | - Chubo Qi
- Department of Pathology, Jiangxi Provincial People's Hospital, the First Affiliated Hospital of Nanchang Medical College, No. 152, Aiguo Road, Nanchang, 330006, China.
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7
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Koonar E, Ramazani F, Hyrcza M, Chau J. Temporal bone manifestation of primary extranodal Rosai-Dorfman disease: a case report. J Med Case Rep 2023; 17:280. [PMID: 37340304 DOI: 10.1186/s13256-023-03790-8] [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: 10/30/2022] [Accepted: 01/24/2023] [Indexed: 06/22/2023] Open
Abstract
BACKGROUND Rosai-Dorfman disease is a rare benign histiocytic disorder characterized in most cases by painless cervical adenopathy. Less than 10% of extranodal cases involve bony lesions. Primary bone Rosai-Dorfman disease in the absence of nodal disease is extremely rare. CASE PRESENTATION A 48 year-old Caucasian male presented with progressive right-sided otalgia, tinnitus, vertigo, and hearing loss. A right temporal bone lytic lesion was detected on diagnostic imaging. Resection of the lesion and histopathological examination revealed Rosai-Dorfman disease. CONCLUSIONS Rosai-Dorfman disease primary bone lesions are an atypical presentation of a rare disease. This is the second reported case of Rosai-Dorfman disease arising within the temporal bone. This case study reveals that Rosai-Dorfman disease should be considered for patients presenting with inflammatory/lytic lesions of the temporal bone, in cases where infection and malignancy have been excluded.
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Affiliation(s)
- E Koonar
- Division of Otolaryngology-Head and Neck Surgery, Department of Surgery, Cumming School of Medicine, University of Calgary, Calgary, Canada.
| | - F Ramazani
- Division of Otolaryngology-Head and Neck Surgery, Department of Surgery, Cumming School of Medicine, University of Calgary, Calgary, Canada
| | - M Hyrcza
- Department of Pathology and Laboratory Medicine, Arnie Charbonneau Cancer Institute, University of Calgary, Calgary, Canada
| | - J Chau
- Division of Otolaryngology-Head and Neck Surgery, Department of Surgery, Cumming School of Medicine, University of Calgary, Calgary, Canada
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8
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Ravindran A, Rech KL. How I Diagnose Rosai-Dorfman Disease. Am J Clin Pathol 2023:7160235. [PMID: 37167084 DOI: 10.1093/ajcp/aqad047] [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: 01/26/2023] [Accepted: 04/05/2023] [Indexed: 05/13/2023] Open
Abstract
OBJECTIVES Rosai-Dorfman disease (RDD) is one of 3 major types of histiocytosis, along with Erdheim-Chester disease and Langerhans cell histiocytosis. While historically, RDD was considered a benign self-limited condition, current data show MAPK/ERK pathway mutations in 30% to 50% of cases, indicative of a clonal process. Rosai-Dorfman disease was incorporated as a histiocytic neoplasm in the fifth edition of the World Health Organization classification of hematopoietic tumors and the International Consensus Classification. METHODS We discuss the diagnosis of RDD using 2 illustrative cases, interpretative challenges, and a diagnostic algorithm. RESULTS Rosai-Dorfman disease involves nodal and extranodal sites, including skin, sinuses, salivary gland, orbit, central nervous system, kidney, and bone. In a subset, RDD can coexist with other neoplasms (lymphomas, other histiocytosis) or autoimmune disease. Morphologically, RDD histiocytes are characterized by enlarged round to oval nuclei, distinct nucleoli, and voluminous cytoplasm with engulfment of inflammatory cells (emperipolesis). By immunohistochemistry, they express CD68, CD163 (majority), S100, OCT2, and cyclin D1. Appropriate use of ancillary studies is important to support the diagnosis of RDD while excluding other histiocytic neoplasms and reactive histiocytic proliferations. CONCLUSIONS Management of RDD is dependent on the extent of organ involvement and clinical symptoms. In patients who require therapy, next-generation sequencing is recommended to identify MAPK/ERK pathway mutations for targeted therapy.
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Affiliation(s)
- Aishwarya Ravindran
- Department of Pathology, Division of Laboratory Medicine-Hematopathology, University of Alabama at Birmingham, Birmingham, AL, US
- Department of Laboratory Medicine and Pathology, Division of Hematopathology, Mayo Clinic, Rochester, MN, US
| | - Karen L Rech
- Department of Laboratory Medicine and Pathology, Division of Hematopathology, Mayo Clinic, Rochester, MN, US
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Saggini A, Cerroni L, Ortins-Pina A, Kraft S. Expression of Cyclin D1 in Cutaneous Xanthogranuloma and Solitary Reticulohistiocytoma. Am J Dermatopathol 2023; 45:208-210. [PMID: 36730793 DOI: 10.1097/dad.0000000000002186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Andrea Saggini
- Center for Dermatopathology, Freiburg Im Breisgau, Germany
| | - Lorenzo Cerroni
- Research Unit Dermatopathology, Department of Dermatology, Medical University of Graz, Austria
| | | | - Stefan Kraft
- Center for Dermatopathology, Freiburg Im Breisgau, Germany
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10
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Abstract
Lymphadenopathy occurring in patients with immunoglobulin G4 (IgG4)-related disease, termed IgG4-related lymphadenopathy, shows morphologic heterogeneity and overlap with other nonspecific causes of lymphadenopathy including infections, immune-related disorders, and neoplasms. This review describes the characteristic histopathologic features and diagnostic approach to IgG4-related disease and IgG4-related lymphadenopathy, with comparison to nonspecific causes of increased IgG4-positive plasma cells in lymph nodes, and with emphasis on distinction from IgG4-expressing lymphoproliferative disorders.
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Affiliation(s)
- Jacob R Bledsoe
- Department of Pathology, Boston Children's Hospital, Harvard Medical School, 300 Longwood Avenue, Boston, MA 02115, USA.
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11
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Elbaz Younes I, Sokol L, Zhang L. Rosai-Dorfman Disease between Proliferation and Neoplasia. Cancers (Basel) 2022; 14:5271. [PMID: 36358690 PMCID: PMC9654168 DOI: 10.3390/cancers14215271] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 10/17/2022] [Accepted: 10/20/2022] [Indexed: 09/20/2023] Open
Abstract
Rosai-Dorfman disease (RDD) is a rare myeloproliferative disorder of histiocytes with a broad spectrum of clinical manifestations and peculiar morphologic features (accumulation of histiocytes with emperipolesis). Typically, the patient with RDD shows bilateral painless, massive cervical lymphadenopathy associated with B symptoms. Approximately 43% of patients presented with extranodal involvement. According to the 2016 revised histiocytosis classification, RDD belongs to the R group, including familial and sporadic form (classical nodal, extranodal, unclassified, or RDD associated with neoplasia or immune disease). Sporadic RDD is often self-limited. Most RDD needs only local therapies. Nevertheless, a small subpopulation of patients may be refractory to conventional therapy and die of the disease. Recent studies consider RDD a clonal neoplastic process, as approximately 1/3 of these patients harbor gene mutations involving the MAPK/ERK pathway, e.g., NRAS, KRAS, MAP2K1, and, rarely, the BRAF mutation. In addition to typical histiocytic markers (S100/fascin/CD68/CD163, etc.), recent studies show that the histiocytes in RDD also express BCL-1 and OCT2, which might be important in pathogenesis. Additionally, the heterozygous germline mutation involving the FAS gene TNFRSF6 is identified in some RDD patients with an autoimmune lymphoproliferative syndrome type Ia. SLC29A3 germline mutation is associated with familial or Faisalabad histiocytosis and H syndrome.
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Affiliation(s)
| | - Lubomir Sokol
- Department of Hematology and Oncology, Moffitt Cancer Center, Tampa, FL 33612, USA
| | - Ling Zhang
- Department of Pathology, Moffitt Cancer Center, Tampa, FL 33612, USA
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12
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Kiruthiga KG, Younes S, Natkunam Y. Strong Coexpression of Transcription Factors PU.1 and Oct-2 in Rosai-Dorfman Disease. Am J Clin Pathol 2022; 158:672-677. [PMID: 36239684 DOI: 10.1093/ajcp/aqac119] [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: 05/27/2022] [Accepted: 08/23/2022] [Indexed: 11/12/2022] Open
Abstract
OBJECTIVES Rosai-Dorfman disease (RDD) is a rare disorder characterized by the accumulation of large S100 protein-positive histiocytes that typically exhibit emperipolesis. The recently reported expression of Oct-2 in RDD histiocytes led us to explore whether PU.1, a transcription factor that is required for monocyte and B-cell development, could similarly function as a diagnostic marker in RDD. METHODS We evaluated the expression of PU.1 and Oct-2 using immunohistochemistry in 19 patients diagnosed with RDD involving nodal, extranodal, and cutaneous sites. RESULTS Both PU.1 and Oct-2 were positive in all cases studied, with a strong intensity of staining in 84% of cases in which more than 50% of the lesional cells were positive. In three patients, both markers showed weak to moderate intensity of staining. Two patients had concomitant RDD and Langerhans cell histiocytosis in which PU.1 stained both types of histiocytes while Oct-2 stained only the RDD component. CONCLUSIONS PU.1 emerged as a robust marker with crisp nuclear staining in RDD histiocytes as well as in engulfed inflammatory cells. Strong coexpression of PU.1 and Oct-2 is a useful diagnostic marker in differentiating histiocytic/dendritic cell proliferations.
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Affiliation(s)
| | - Sheren Younes
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
| | - Yasodha Natkunam
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
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Weng X, Yang Y, Zhang M, Cai C, Sun Y, Wu X, Zhang R, Gui H, Li W, Xu Q, Liu X. Primary intraosseous Rosai-Dorfman disease: An analysis of clinicopathologic characteristics, molecular genetics, and prognostic features. Front Oncol 2022; 12:950114. [PMID: 36185213 PMCID: PMC9520307 DOI: 10.3389/fonc.2022.950114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Accepted: 08/23/2022] [Indexed: 11/13/2022] Open
Abstract
Background Rosai-Dorfman disease (RDD) is a rare histiocytic proliferative disorder of uncertain pathogenesis. Most patients present with proliferation in the lymph nodes manifesting as adenopathy; however, RDD may primarily arise in a variety of extranodal sites, including the bone, which is a great challenge in the diagnosis. The clinicopathological characteristics and prognostic features of primary intraosseous RDD have not been well characterized. Methods We retrospectively analyzed the clinicopathologic and prognostic features of four cases of primary intraosseous RDD during the past 10 years in our hospital, with a review of an additional 62 cases with complete follow-up data from the literature. Results Primary intraosseous RDD was identified in 0.14% (4/2,800) of total bone biopsies performed at our institution over the study period. According to our retrospective analysis, a total of 18 cases of primary lymph node, skin, or other non-osseous site-based RDD were diagnosed in our hospital. The ages of the 66 total patients ranged from 1.5 to 76 years, with a median age of 25 years. There were 31 male and 35 female patients, with a male-to-female ratio of 0.89:1. Primary intraosseous RDD occurred most often in the bones of the extremities (60.6%, 40/66), with the proximal tibia being the most common location; 39.4% (26/66) of the cases arose in the axial skeleton, predominantly in the vertebra and craniofacial bones. Solitary masses and multiple tumors were present in 84.8% (56/66) and 15.2% (10/66) of the cases, respectively. Pain of the affected area was the most common presenting symptom. Radiographically, the lesions were lytic with well-defined and usually sclerotic margins. Immunohistochemistry showed that large histiocytes from patients with RDD were positive for OCT2, in addition to S100 and CD68. Molecular tests were performed in seven reported cases and four of our cases. All the 11 cases were non-decalcified. PCR results showed that there were no BRAF-V600E, KRAS, or NRAS mutations in primary intraosseous RDD; only one case with both RDD and Langerhans cell histiocytosis showed BRAF-V600E mutation. The survival data showed that 22.7% (15/66) of the patients experienced recurrences or developed RDD at distant sites during the follow-up period (median follow-up, 13 months; range, 1-106 months). The 5-year progression-free survival (PFS) of the patients with primary intraosseous RDD was 57.5%. We found that there was a significant difference in PFS between female and male patients (p = 0.031). However, there was no statistically significant difference in PFS between patients with solitary masses and multiple tumors (p = 0.698). Similarly, no statistically significant differences in PFS were found between the different age groups (p = 0.908) or tumor locations (p = 0.728). Conclusion Primary intraosseous RDD is an extremely rare disease. The diagnosis of RDD may be quite challenging because of its non-specific clinical presentation and imaging. Immunohistochemistry showed that large histiocytes were positive for OCT2 in addition to S100 and CD68, which may be helpful for differential diagnosis. Molecular detection showed that RDD may be related to the MAPK pathway, though these results are also ultimately not specific. The pathogenesis of RDD is yet to be elucidated, but recent studies suggest possible clonality of hyperproliferative histiocytes.
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Affiliation(s)
- Xin Weng
- Department of Pathology, Shenzhen Second People’s Hospital, Shenzhen University First Affiliated Hospital, Shenzhen, China
| | - Yajie Yang
- Department of Pathology, Shenzhen Second People’s Hospital, Shenzhen University First Affiliated Hospital, Shenzhen, China
| | - Meng Zhang
- Department of Pathology, Shenzhen Second People’s Hospital, Shenzhen University First Affiliated Hospital, Shenzhen, China
| | - Chang Cai
- Department of Pathology, Shenzhen Second People’s Hospital, Shenzhen University First Affiliated Hospital, Shenzhen, China
| | - Yanhua Sun
- Department of Pathology, Shenzhen Second People’s Hospital, Shenzhen University First Affiliated Hospital, Shenzhen, China
| | - Xikang Wu
- Department of Pathology, Shenzhen Second People’s Hospital, Shenzhen University First Affiliated Hospital, Shenzhen, China
| | - Rongrong Zhang
- Department of Pathology, Shenzhen Second People’s Hospital, Shenzhen University First Affiliated Hospital, Shenzhen, China
| | - Huihui Gui
- Department of Pathology, Shenzhen Second People’s Hospital, Shenzhen University First Affiliated Hospital, Shenzhen, China
| | - Wei Li
- Department of Joint and Musculoskeletal Tumor, Shenzhen Second People’s Hospital, Shenzhen University First Affiliated Hospital, Shenzhen, China
| | - Qizhong Xu
- Department of Radiology, Shenzhen Second People’s Hospital, Shenzhen University First Affiliated Hospital, Shenzhen, China
| | - Xia Liu
- Department of Pathology, Shenzhen Second People’s Hospital, Shenzhen University First Affiliated Hospital, Shenzhen, China
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14
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Hartmann S, Hansmann ML. [Reactive lymphadenopathies]. PATHOLOGIE (HEIDELBERG, GERMANY) 2022; 43:271-281. [PMID: 35925220 DOI: 10.1007/s00292-022-01075-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 04/04/2022] [Indexed: 06/15/2023]
Abstract
The human body comprises around 600 lymph nodes as constituents of a decentralized and dispersed immune system. The main task of lymph nodes is cleaning the lymph fluid and defending the organism against outer and inner threats by bacteria, viruses and tumour cells. The histologic picture of lymph nodes reflects the different strategies of the innate and adaptive immune system, which allocates antigen presenting cells, macrophages, B‑ and T‑cell systems and reticulum cells. However, the histological picture, without any additional investigations, usually only allows speculation about the causative agent like toxoplasmosis, other bacteria or viruses. This chapter describes different lymph node reactions in detail in order to obtain a better understanding of specific immune reactions allowing a precise diagnosis and a reliable distinction from malignant processes. The last issue in particular is one of the main tasks of haematopathology. In addition to these known principles, we try to integrate results obtained with the new method of three-dimensional (3D) microscopy of fixed lymphoid tissue. At first glance, this seems to be unusual. Nevertheless, we try to apply this approach, since 3D visualization of morphological details provides distinct cellular details as well as new interpretations of cell-cell interactions and the functions of lymphoid compartments, like germinal centres and T‑zones.
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Affiliation(s)
- Sylvia Hartmann
- Dr. Senckenbergisches Institut für Pathologie, Goethe-Universität Frankfurt, Theodor-Stern-Kai 7, 60590, Frankfurt am Main, Deutschland.
| | - Martin-Leo Hansmann
- Konsultationszentrum für Hämatopathologie, Helios Universitätsklinikum Wuppertal, Universität Witten/Herdecke, Heusnerstr. 40, 42283, Wuppertal, Deutschland
- Frankfurt Institute for Advanced Studies, Ruth-Moufang-Str. 1, 60438, Frankfurt am Main, Deutschland
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15
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Erdheim-Chester disease collides with myelodysplastic neoplasm in bone marrow. Ann Diagn Pathol 2022; 58:151928. [DOI: 10.1016/j.anndiagpath.2022.151928] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 02/02/2022] [Accepted: 02/11/2022] [Indexed: 11/22/2022]
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16
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Milman T, Eiger-Moscovich M, Henry RK, Ida CM, Ruben M, Shields CL, Lally SE, Penne RB, Stefanyszyn MA, Bilyk JR, Rapuano CJ, Rabinowitz M, Eagle RC. Cyclin D1 expression and molecular genetic findings in periocular histiocytoses and neoplasms of macrophage-dendritic cell lineage. Am J Ophthalmol 2022; 242:36-51. [PMID: 35594918 DOI: 10.1016/j.ajo.2022.05.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 05/06/2022] [Accepted: 05/13/2022] [Indexed: 11/19/2022]
Abstract
PURPOSE Frequent activating mutations in the mitogen-activated protein kinase (MAPK) pathway genes have been identified in histiocytoses. MAPK signaling consistently upregulates Cyclin D1. The goal of this study was to determine whether Cyclin D1 expression by immunohistochemistry is a useful diagnostic marker for periocular histiocytoses and to further characterize their genetic basis. DESIGN Retrospective observational case series. METHODS Pathology records were searched for all patients with histiocytoses diagnosed between 1995-2020. Eleven histiocyte-rich inflammatory lesions and 10 xanthelasma served as controls. Cyclin D1 immunohistochemistry was performed on all tissues. A subset of histiocytoses was evaluated by next-generation sequencing (NGS) and droplet digital PCR (ddPCR). RESULTS There were 36 patients, 15 (42%) males and 21 (58%) females, with histiocytoses: 9 (25%) juvenile xanthogranuloma, 8 (22%) adult-onset asthma and periocular xanthogranuloma, 7 (19%) Langerhans cell histiocytosis, 5 (14%) Rosai-Dorfman disease, 5 (14%) xanthogranuloma not otherwise specified, 1 (3%) Erdheim-Chester disease, and 1 (3%) histiocytic sarcoma. Moderate-to-strong nuclear Cyclin D1 expression was present in ≥50% of lesional cells in histiocytoses (23/36, 64%), significantly more when compared to histiocyte-rich inflammatory lesions (0/11, 0%, P<.001) and xanthelasma (0/10, 0%, P<.001). Cyclin D1 was expressed in <10% of lesional cells in all 11 histiocyte-rich inflammatory lesions (P<.001) and all 10 xanthelasma lesions (P<.001). MAPK pathway gene mutations were detected in 12 of 14 (86%) histiocytoses successfully assayed by NGS and/or ddPCR. CONCLUSIONS Our study confirms that the Cyclin D1 immunohistochemical stain is a useful diagnostic marker for periocular histiocytoses, correlating with underlying mutations in MAPK pathway genes.
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Affiliation(s)
- Tatyana Milman
- From the Department of Pathology (T.M., M.E.-M., R.C.E.), Wills Eye Hospital, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania; Department of Ophthalmology (T.M., C.L.S., S.E.L., R.B.P., M.A.S., J.R.B., C.J.R., M.Ra., R.C.E.), Wills Eye Hospital, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania.
| | - Maya Eiger-Moscovich
- From the Department of Pathology (T.M., M.E.-M., R.C.E.), Wills Eye Hospital, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania; Maya Eiger-Moscovich is currently practicing at Department of Ophthalmology, Hadassah Medical Center, Jerusalem, Israel. Meghan Ruben is currently practicing at Department of Ophthalmology, Penn State Health Milton S. Hershey Medical Center, Hershey, PA, USA
| | - Roger K Henry
- Institute of Ophthalmology and Visual Science, Rutgers-New Jersey Medical School at Rutgers University (R.K.H.), Newark, New Jersey
| | - Cristiane M Ida
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Mayo Clinic College of Medicine and Science (C.M.I.), Rochester, Minnesota; USA
| | - Megan Ruben
- Ocular Oncology Service (M.Ru., C.L.S., S.E.L., R.B.P.), Wills Eye Hospital, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Carol L Shields
- Department of Ophthalmology (T.M., C.L.S., S.E.L., R.B.P., M.A.S., J.R.B., C.J.R., M.Ra., R.C.E.), Wills Eye Hospital, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania; Ocular Oncology Service (M.Ru., C.L.S., S.E.L., R.B.P.), Wills Eye Hospital, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Sara E Lally
- Department of Ophthalmology (T.M., C.L.S., S.E.L., R.B.P., M.A.S., J.R.B., C.J.R., M.Ra., R.C.E.), Wills Eye Hospital, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania; Ocular Oncology Service (M.Ru., C.L.S., S.E.L., R.B.P.), Wills Eye Hospital, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Robert B Penne
- Department of Ophthalmology (T.M., C.L.S., S.E.L., R.B.P., M.A.S., J.R.B., C.J.R., M.Ra., R.C.E.), Wills Eye Hospital, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania; Ocular Oncology Service (M.Ru., C.L.S., S.E.L., R.B.P.), Wills Eye Hospital, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Mary A Stefanyszyn
- Department of Ophthalmology (T.M., C.L.S., S.E.L., R.B.P., M.A.S., J.R.B., C.J.R., M.Ra., R.C.E.), Wills Eye Hospital, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania; Department of Oculoplastic and Orbital Surgery (M.A.S., J.R.B., M.Ra.), Wills Eye Hospital, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Jurij R Bilyk
- Department of Ophthalmology (T.M., C.L.S., S.E.L., R.B.P., M.A.S., J.R.B., C.J.R., M.Ra., R.C.E.), Wills Eye Hospital, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania; Department of Oculoplastic and Orbital Surgery (M.A.S., J.R.B., M.Ra.), Wills Eye Hospital, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Christopher J Rapuano
- Department of Ophthalmology (T.M., C.L.S., S.E.L., R.B.P., M.A.S., J.R.B., C.J.R., M.Ra., R.C.E.), Wills Eye Hospital, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania; Cornea Service (C.J.R.), Wills Eye Hospital, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Michael Rabinowitz
- Department of Ophthalmology (T.M., C.L.S., S.E.L., R.B.P., M.A.S., J.R.B., C.J.R., M.Ra., R.C.E.), Wills Eye Hospital, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania; Department of Oculoplastic and Orbital Surgery (M.A.S., J.R.B., M.Ra.), Wills Eye Hospital, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania
| | - Ralph C Eagle
- From the Department of Pathology (T.M., M.E.-M., R.C.E.), Wills Eye Hospital, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania; Department of Ophthalmology (T.M., C.L.S., S.E.L., R.B.P., M.A.S., J.R.B., C.J.R., M.Ra., R.C.E.), Wills Eye Hospital, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, Pennsylvania
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17
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Rooper LM, White MJ, Duffield AS, Gagan J, London NR, Montgomery EA, Bishop JA. Limited Sinonasal
Rosai‐Dorfman
Disease Presenting as Chronic Sinusitis. Histopathology 2022; 81:99-107. [PMID: 35426462 PMCID: PMC9324200 DOI: 10.1111/his.14664] [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: 03/08/2022] [Revised: 04/08/2022] [Accepted: 04/11/2022] [Indexed: 11/30/2022]
Abstract
Aims The sinonasal tract is a common extranodal site for Rosai–Dorfman disease (RDD). Recently, histiocytes with features of RDD were identified in the clinical setting of chronic sinusitis. This study evaluates whether this phenomenon should be considered part of the RDD spectrum or classified separately as RDD‐like histiocytes. Methods and results We prospectively collected 13 cases showing histological features of RDD in chronic sinusitis patients and identified 14 with similar findings (3.5%) via retrospective review of 403 sinus contents over 2 years. All 27 cases displayed nodular aggregates of eosinophilic histiocytes with intermixed lymphoplasmacytic inflammation, prominent eosinophils and emperipolesis. The histiocytes were positive for S100 protein and cyclin D1 and negative for CD1a and CD207. All patients presented with severe chronic sinusitis without tumour formation or systemic symptoms. Twelve patients with follow‐up (55%) required repeat sinus surgery compared with just 43 other sinusitis patients evaluated (11%); features of RDD were present in their additional specimens. Two cases that underwent targeted next‐generation sequencing (20%) had oncogenic mutations in NF1 and KEAP1. Conclusions Overall, these findings confirm diagnostic histological and immunohistochemical features of RDD in a subset of chronic sinusitis specimens. While patients uniformly lack systemic involvement or tumefactive growth, they have a high risk of recurrent sinus disease. Although the relatively subtle nature of the findings raises consideration of separate classification, the presence of occasional oncogenic mutations and evidence of consistent MAPK/ERK pathway activation via cyclin D1 positivity suggests that this phenomenon represents a unique limited manifestation of RDD.
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Affiliation(s)
- Lisa M. Rooper
- Department of Pathology The Johns Hopkins University School of Medicine Baltimore MD USA
- Department of Oncology The Johns Hopkins University School of Medicine Baltimore MD USA
| | - Marissa J. White
- Department of Pathology The Johns Hopkins University School of Medicine Baltimore MD USA
| | - Amy S. Duffield
- Department of Pathology, Memorial Sloan‐Kettering Cancer Center New York NY USA
| | - Jeffrey Gagan
- Department of Pathology University of Texas Southwestern Medical Center Dallas TX USA
| | - Nyall R. London
- Department of Oncology The Johns Hopkins University School of Medicine Baltimore MD USA
- Department of Otolaryngology The Johns Hopkins University School of Medicine Baltimore MD USA
| | - Elizabeth A. Montgomery
- Department of Pathology and Laboratory Medicine University of Miami Miller School of Medicine Miami FL USA
| | - Justin A. Bishop
- Department of Pathology University of Texas Southwestern Medical Center Dallas TX USA
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18
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Ferry JA. Update from the 5th Edition of the World Health Organization Classification of Head and Neck Tumors: Hematolymphoid Proliferations and Neoplasia. Head Neck Pathol 2022; 16:101-109. [PMID: 35312979 PMCID: PMC9018906 DOI: 10.1007/s12105-022-01411-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 12/31/2021] [Indexed: 10/18/2022]
Abstract
In the 5th edition of the World Health Organization (WHO) Classification of Head and Neck Tumours, the discussion of hematolymphoid proliferations is substantially reorganized and expanded in comparison to the prior edition. The 5th edition includes, in addition to hematolymphoid neoplasms, reactive lymphoid proliferations. Much more information on hematolymphoid proliferations that commonly affect cervical lymph nodes, in addition to those affecting extranodal sites in the head and neck, is included. For the first time, there are dedicated sections on multiple entities, including recently described lymphoproliferative disorders such as EBV+ mucocutaneous ulcer and pediatric-type follicular lymphoma, and several types of histiocytic neoplasms. Tremendous advances have been made in understanding the genetic features that underlie the pathogenesis of hematolymphoid neoplasms, and these have been incorporated into the WHO Classification.
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Affiliation(s)
- Judith A Ferry
- Harvard Medical School, Massachusetts General Hospital, 55 Fruit Street, Boston, 02114, MA, USA.
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19
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Garces S, Medeiros LJ, Marques-Piubelli ML, Coelho Siqueira SA, Miranda RN, Cuglievan B, Sriganeshan V, Medina AM, Garces JC, Saluja K, Bhattacharjee MB, Khoury JD, Li S, Xu J, Jelloul FZ, Thakral B, Cameron Yin C. Cyclin D1 expression in Rosai-Dorfman disease: A near constant finding that is not invariably associated with MAPK/ERK pathway activation. Hum Pathol 2022; 121:36-45. [PMID: 34995673 DOI: 10.1016/j.humpath.2021.12.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 12/23/2021] [Accepted: 12/30/2021] [Indexed: 12/26/2022]
Abstract
Activating mutations in the MAPK/ERK pathway have been shown in nearly half of cases of Rosai-Dorfman disease (RDD). Cyclin D1, a key cell cycle regulator, constitutes a major downstream target of the MAPK/ERK pathway. In this study, we aim to further understand the pathogenesis of RDD by assessing the lesional histiocytes for cyclin D1, p-ERK, Ki-67 and BCL2 by immunohistochemistry We assessed 35 samples of RDD and a control group of histiocyte-rich reactive lesions. Cyclin D1 was expressed in about 90% of cases of RDD. Cyclin D1 was positive in 25-95% (median, 85%) of lesional histiocytes, was moderately/strongly expressed in 97% of cyclin D1-positive cases, and was significantly higher than in control specimens. p-ERK was positive in 16 of 30 (53%) cases of RDD and was negative in all controls. Whereas all p-ERK-positive RDD cases had concurrent cyclin D1 expression, over a third of cyclin D1-positive cases were negative for p-ERK. Ki-67 was low in RDD (median, 3%). BCL-2 was positive in lesional histiocytes in nine of 10 RDD cases assessed and was negative Overall, these findings point to unexpected, potential roles of these molecules in the pathogenesis of RDD. Overexpression of cyclin D1 in the absence of ERK phosphorylation in a subset of RDD cases opens the possibility of oncogenic mechanisms bypassing ERK, and supports the notion that cyclin D1 overexpression in RDD is multifactorial. Moreover, the observed lack of correlation between cyclin D1 with Ki-67 proliferative index suggests that prosurvival actions of cyclin D1 are, at least in part, cell-cycle independent. Finally, expression of BCL-2 and the low Ki-67 index suggest that RDD might be driven by anti-apoptotic rather than pro-proliferative oncogenic mechanisms.
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Affiliation(s)
| | | | - Mario Luiz Marques-Piubelli
- Department of Hematopathology; Department of Pathology, University of São Paulo Medical School Hospital, São Paulo, Brazil
| | | | | | - Branko Cuglievan
- Division of Pediatric Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | | | - Ana Maria Medina
- Department of Pathology, Mount Sinai Medical Center, Miami, FL, USA
| | - Juan Carlos Garces
- Department of Pathology, Instituto Oncológico Nacional Dr. Juan Tanca Marengo, Guayaquil, Ecuador
| | - Karan Saluja
- Department of Pathology, The University of Texas Health Science Center, Houston, TX, USA
| | | | | | | | - Jie Xu
- Department of Hematopathology
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20
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Garcia RA, DiCarlo EF. Rosai-Dorfman Disease of Bone and Soft Tissue. Arch Pathol Lab Med 2021; 146:40-46. [DOI: 10.5858/arpa.2021-0116-ra] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/25/2021] [Indexed: 11/06/2022]
Abstract
Context.—
Rosai-Dorfman disease is a rare histiocytic proliferative disorder of unknown pathogenesis that may be diagnostically difficult in extranodal sites. It is commonly an unsuspected diagnosis when arising in bone and soft tissue, especially when it presents without associated lymphadenopathy. Its variable clinical presentation and nonspecific imaging findings make the diagnosis quite challenging, particularly in small biopsies. The problem is compounded by its less-characteristic histomorphologic features in comparison with nodal disease. Awareness of the potential diagnostic pitfalls in Rosai-Dorfman disease of bone and soft tissue should raise the degree of diagnostic accuracy.
Objective.—
To review the clinical manifestations, imaging characteristics, and histomorphologic features of Rosai-Dorfman disease of bone and soft tissue along with a brief discussion of its differential diagnosis, pathogenesis, and current management.
Data Sources.—
Thorough review of the literature with focus on clinical manifestations, imaging findings, key histomorphologic features, pathogenesis, and treatment.
Conclusions.—
The diagnosis of Rosai-Dorfman disease of bone and soft tissue may be quite challenging because of its variable clinical presentation and nonspecific imaging findings. It may be asymptomatic without systemic manifestations or associated lymphadenopathy. The definitive diagnosis relies on histopathologic identification of the characteristic S-100–positive histiocytes demonstrating emperipolesis. Bone and soft tissue lesions tend to have lower numbers of characteristic histiocytes and less conspicuous emperipolesis and often demonstrate areas of fibrosis or storiform spindle cell areas resembling fibrohistiocytic lesions. Awareness of these unusual features is necessary in order to consider Rosai-Dorfman disease in the differential diagnosis when confronting these rare and often misleading lesions.
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Affiliation(s)
- Roberto A. Garcia
- From the Department of Pathology and Laboratory Medicine, Hospital for Special Surgery, Weill Cornell Medical College, New York, New York
| | - Edward F. DiCarlo
- From the Department of Pathology and Laboratory Medicine, Hospital for Special Surgery, Weill Cornell Medical College, New York, New York
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21
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Abstract
ABSTRACT Mitogen-activated protein kinase (MAPK)/extracellular signal-regulated kinase pathway activation has recently been found to be associated with almost all Langerhans cell histiocytosis cases. In BRAF V600E mutation-positive cases, this activation is seen as a downstream activation. In addition, cyclin D1 is a downstream target of the MAPK pathway. Recent studies have argued in favor of using cyclin D1 as a potential neoplastic marker to differentiate Langerhans cell histiocytosis from other reactive Langerhans cell proliferations in the skin and lymph nodes. Therefore, we chose to study the immunohistochemical expression of cyclin D1 in cutaneous xanthogranuloma (XG) cases. Fifteen XG cases were retrieved and stained for cyclin D1, BRAF (v-raf murine sarcoma viral oncogene homolog B1), CD1a, and langerin (CD207). Twelve cases showed strong and diffuse nuclear positivity for cyclin D1, both in the XG cells and in the multinucleated osteoclast-like giant cells. Three cases showed focal weak nuclear staining for cyclin D1. All 15 cases showed negative immunoreactivity for BRAF, CD1a, and CD207. Although limited by small sample size, we conclude that most cases of cutaneous XG should show at least weak nuclear staining with cyclin D1. The histogenesis of XG is still largely unknown, and the finding of cyclin D1 positivity in a majority of cases may indicate a role for the MAPK/extracellular signal-regulated kinase pathway in cutaneous XG.
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22
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Doglioni C. Rosai-Dorfman disease. A legacy of Professor Rosai that is still not exploited completely. Pathologica 2021; 113:388-395. [PMID: 34837097 PMCID: PMC8720407 DOI: 10.32074/1591-951x-548] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 11/03/2021] [Indexed: 11/30/2022] Open
Abstract
Rosai-Dorfman disease (RDD) is a rare form of non-Langerhans cell histiocytosis described by Rosai and Dorfman in 1969. It is a fascinating disease characterized by accumulation of large, pale histiocytes, frequently showing the emperipolesis phenomenon. The variety of pathological aspects and the spectrum of different clinical forms were deeply investigated by Prof. Rosai. Despite recent advancements in the dissection of pathogenetic mechanisms of RDD, with the identification of gene mutations in the MAP kinase pathway, several biological and clinical aspects of this disease remains to be elucidated: this is one of the Prof. Rosai's legacies.
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23
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Rech KL, He R. Challenges in the Histopathologic Diagnosis of Histiocytic Neoplasms. J Natl Compr Canc Netw 2021; 19:1305-1311. [PMID: 34781270 DOI: 10.6004/jnccn.2021.7098] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 09/28/2021] [Indexed: 11/17/2022]
Abstract
Histiocytic neoplasms, including Langerhans cell histiocytosis (LCH), Erdheim-Chester disease (ECD), and Rosai-Dorfman disease (RDD), present a diagnostic challenge due to nonspecific fibroinflammatory infiltrates and a diverse clinical presentation. The pathologist can play a key role in classification of these disorders through multidisciplinary collaboration and correlation of pathologic features with clinical and radiologic findings. The histopathologic differential diagnosis is broad, requiring knowledge of the possible diagnoses at each specific anatomic site, and a careful assessment to exclude other inflammatory and neoplastic disorders. An immunohistochemistry panel including CD163, CD1a, langerin, S100, Factor XIIIa, OCT2, and BRAF V600E can provide definitive diagnosis in LCH and RDD, whereas ECD requires classic clinical features as well as confirmation of an activating MAPK pathway mutation by genetic studies.
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Affiliation(s)
- Karen L Rech
- Division of Hematopathology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota
| | - Rong He
- Division of Hematopathology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota
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24
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Go RS, Jacobsen E, Baiocchi R, Buhtoiarov I, Butler EB, Campbell PK, Coulter DW, Diamond E, Flagg A, Goodman AM, Goyal G, Gratzinger D, Hendrie PC, Higman M, Hogarty MD, Janku F, Karmali R, Morgan D, Raldow AC, Stefanovic A, Tantravahi SK, Walkovich K, Zhang L, Bergman MA, Darlow SD. Histiocytic Neoplasms, Version 2.2021, NCCN Clinical Practice Guidelines in Oncology. J Natl Compr Canc Netw 2021; 19:1277-1303. [PMID: 34781268 DOI: 10.6004/jnccn.2021.0053] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Histiocytic neoplasms are rare hematologic disorders accounting for less than 1% of cancers of the soft tissue and lymph nodes. Clinical presentation and prognosis of these disorders can be highly variable, leading to challenges for diagnosis and optimal management of these patients. Treatment often consists of systemic therapy, and recent studies support use of targeted therapies for patients with these disorders. Observation ("watch and wait") may be sufficient for select patients with mild disease. These NCCN Guidelines for Histiocytic Neoplasms include recommendations for diagnosis and treatment of adults with the most common histiocytic disorders: Langerhans cell histiocytosis, Erdheim-Chester disease, and Rosai-Dorfman disease.
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Affiliation(s)
| | - Eric Jacobsen
- Dana-Farber/Brigham and Women's Cancer Center
- Massachusetts General Hospital Cancer Center
| | - Robert Baiocchi
- The Ohio State University Comprehensive Cancer Center - James Cancer Hospital and Solove Research Institute
| | - Ilia Buhtoiarov
- Case Comprehensive Cancer Center/University Hospitals Seidman Cancer Center and Cleveland Clinic Taussig Cancer Institute Cleveland Clinic Children's Hospital
| | | | - Patrick K Campbell
- St. Jude Children's Research Hospital/The University of Tennessee Health Science Center
| | | | | | - Aron Flagg
- Yale Cancer Center/Smilow Cancer Hospital
| | | | | | | | - Paul C Hendrie
- Fred Hutchinson Cancer Research Center/Seattle Cancer Care Alliance
| | | | | | - Filip Janku
- The University of Texas MD Anderson Cancer Center
| | - Reem Karmali
- Robert H. Lurie Comprehensive Cancer Center of Northwestern University
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25
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Massoth LR, Hung YP, Ferry JA, Hasserjian RP, Nardi V, Nielsen GP, Sadigh S, Venkataraman V, Selig M, Friedmann AM, Samore W, Killian JK, Milante R, Giessinger J, Foley-Peres K, Marcus C, Severson E, Duncan D, Sivakumar S, Ross JS, Desphande V, Ramkissoon SH, Vergilio JA, Louissaint A, Zukerberg LR, Williams EA. Histiocytic and Dendritic Cell Sarcomas of Hematopoietic Origin Share Targetable Genomic Alterations Distinct from Follicular Dendritic Cell Sarcoma. Oncologist 2021; 26:e1263-e1272. [PMID: 33904632 PMCID: PMC8265357 DOI: 10.1002/onco.13801] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Accepted: 03/16/2021] [Indexed: 12/18/2022] Open
Abstract
Background Histiocytic and dendritic cell neoplasms are a diverse group of tumors arising from monocytic or dendritic cell lineage. Whereas the genomic features for Langerhans cell histiocytosis and Erdheim‐Chester disease have been well described, other less common and often aggressive tumors in this broad category remain poorly characterized, and comparison studies across the World Health Organization diagnostic categories are lacking. Methods Tumor samples from a total of 102 patient cases within four major subtypes of malignant histiocytic and dendritic cell neoplasms, including 44 follicular dendritic cell sarcomas (FDCSs), 41 histiocytic sarcomas (HSs), 7 interdigitating dendritic cell sarcomas (IDCSs), and 10 Langerhans cell sarcomas (LCSs), underwent hybridization capture with analysis of up to 406 cancer‐related genes. Results Among the entire cohort of 102 patients, CDKN2A mutations were most frequent across subtypes and made up 32% of cases, followed by TP53 mutations (22%). Mitogen‐activated protein kinase (MAPK) pathway mutations were present and enriched among the malignant histiocytosis (M) group (HS, IDCS, and LCS) but absent in FDCS (72% vs. 0%; p < .0001). In contrast, NF‐κB pathway mutations were frequent in FDCSs but rare in M group histiocytoses (61% vs. 12%; p < .0001). Tumor mutational burden was significantly higher in M group histiocytoses as compared with FDCSs (median 4.0/Mb vs. 2.4/Mb; p = .012). We also describe a pediatric patient with recurrent secondary histiocytic sarcoma treated with targeted therapy and interrogated by molecular analysis to identify mechanisms of therapeutic resistance. Conclusion A total of 42 patient tumors (41%) harbored pathogenic mutations that were potentially targetable by approved and/or investigative therapies. Our findings highlight the potential value of molecular testing to enable precise tumor classification, identify candidate oncogenic drivers, and define personalized therapeutic options for patients with these aggressive tumors. Implications for Practice This study presents comprehensive genomic profiling results on 102 patient cases within four major subtypes of malignant histiocytic and dendritic cell neoplasms, including 44 follicular dendritic cell sarcomas (FDCSs), 41 histiocytic sarcomas (HSs), 7 interdigitating dendritic cell sarcomas (IDCSs), and 10 Langerhans cell sarcomas (LCSs). MAPK pathway mutations were present and enriched among the malignant histiocytosis (M) group (HS, IDCS, and LCS) but absent in FDCSs. In contrast, NF‐κB pathway mutations were frequent in FDCSs but rare in M group histiocytosis. A total of 42 patient tumors (41%) harbored pathogenic mutations that were potentially targetable by approved and/or investigative therapies. Histiocytic and dendritic cell neoplasms are a diverse group of tumors arising from the monocytic or dendritic cell lineage. This article presents the molecular characteristics of the four major subtypes of malignant histiocytic and dendritic cell neoplasms, focusing on genomic alterations that could represent therapeutic targets.
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Affiliation(s)
- Lucas R Massoth
- Department of Pathology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Yin P Hung
- Department of Pathology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Judith A Ferry
- Department of Pathology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Robert P Hasserjian
- Department of Pathology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Valentina Nardi
- Department of Pathology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - G Petur Nielsen
- Department of Pathology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Sam Sadigh
- Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Vinayak Venkataraman
- Department of Pediatrics, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA.,Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Martin Selig
- Department of Pathology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Alison M Friedmann
- Department of Pediatrics, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Wesley Samore
- Department of Pathology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | | | - Riza Milante
- Department of Dermatology, Jose R. Reyes Memorial Medical Center, Manila, Philippines
| | - Joseph Giessinger
- A.T. Still University School of Osteopathic Medicine, Mesa, Arizona, USA
| | - Kathleen Foley-Peres
- Department of Biology, Bristol Community College, Fall River, Massachusetts, USA
| | - Chelsea Marcus
- Foundation Medicine, Inc., Cambridge, Massachusetts, USA
| | - Eric Severson
- Foundation Medicine, Inc., Cambridge, Massachusetts, USA
| | - Daniel Duncan
- Foundation Medicine, Inc., Cambridge, Massachusetts, USA
| | | | - Jeffrey S Ross
- Foundation Medicine, Inc., Cambridge, Massachusetts, USA.,Department of Pathology, State University of New York Upstate Medical University, Syracuse, New York, USA
| | - Vikram Desphande
- Department of Pathology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Shakti H Ramkissoon
- Foundation Medicine, Inc., Cambridge, Massachusetts, USA.,Wake Forest Comprehensive Cancer Center and Department of Pathology, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA
| | | | - Abner Louissaint
- Department of Pathology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Lawrence R Zukerberg
- Department of Pathology, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Erik A Williams
- Foundation Medicine, Inc., Cambridge, Massachusetts, USA.,Department of Pathology, Department of Dermatology, UCSF Dermatopathology Service, University of California San Francisco, San Francisco, California, USA
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Rosai-Dorfman Disease Displays a Unique Monocyte-Macrophage Phenotype Characterized by Expression of OCT2. Am J Surg Pathol 2021; 45:35-44. [PMID: 33177341 DOI: 10.1097/pas.0000000000001617] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Rosai-Dorfman disease (RDD) is a rare histiocytosis with heterogenous clinical features. In this study, we characterized the histologic and phenotypic features in 33 RDD patients to better define the pathologic diagnosis. Cases included 24 patients with extracutaneous disease ("R" group), and 9 patients with lesions limited to the skin or subcutaneous tissue ("C" group). We identified OCT2 as a novel marker for the monocyte-macrophage phenotype of RDD, expressed in 97% of RDD cases. In contrast, OCT2 expression was seen in 0% of Erdheim-Chester disease cases and 6.7% of Langerhans cell histiocytosis cases. Other markers useful in the diagnosis of RDD included S100 (100%), CD163 (88%), and cyclin D1 (97%). In a subset of cases, RDD showed moderate to strong expression of factor 13a (30%), p16 (64%), and phosphorylated extracellular signal-regulated kinase (45%); RDD was uniformly negative for ZBTB46, CD1a, and langerin. Within the "R group" of RDD, increased expression of factor 13a or phosphorylated extracellular signal-regulated kinase showed a statistically significant association with multifocal disease (P<0.05). Identification of the unique monocyte-macrophage phenotype of RDD with OCT2 expression furthers our understanding of this complex disease and allows for more uniform classification.
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27
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Yu Y, Guan H, Jiang L, Li X, Xing L, Sun X. Nimotuzumab, an EGFR‑targeted antibody, promotes radiosensitivity of recurrent esophageal squamous cell carcinoma. Int J Oncol 2020; 56:945-956. [PMID: 32319582 DOI: 10.3892/ijo.2020.4981] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Accepted: 12/12/2019] [Indexed: 11/06/2022] Open
Abstract
Local tumor recurrence is one of the main causes for the failure of esophageal cancer treatment following radiotherapy. Previous studies have demonstrated that epidermal growth factor receptor (EGFR)‑targeted therapy combined with radiotherapy is expected to become an effective means to control tumor recurrence. The aim of the present study was to investigate the effect and mechanism of nimotuzumab (an EGFR‑targeted antibody) in the treatment of recurrent esophageal carcinoma. The radiation responses of two esophageal squamous carcinoma cell lines, EC109 and TE‑1, with or without nimotuzumab, were first evaluated by CCK‑8 assay. Colony formation and apoptosis were used to measure anti‑proliferation effects. It was demonstrated that nimotuzumab arrested the cell cycle at the G2 phase in vitro. Western blotting and immunofluorescence analysis were used to determine signaling pathway changes. It was observed that nimotuzumab inhibited phosphorylation of EGFR in EC109 cells. Furthermore, recurrent tumor models were established and it was identified that the degree of tumor hypoxia was positively associated with EGFR overexpression. In EC109 cell xenografts, nimotuzumab combined with radiation led to a significant delay in recurrent tumor growth compared with that of radiation alone (P<0.001 for 0 Gy pre‑irradiation, P=0.005 for 20 Gy pre‑irradiation, P=0.005 for 10 Gy pre‑irradiation). These results suggest that nimotuzumab combined with radiation may be an effective means to control recurrent esophageal squamous cell carcinoma with EGFR overexpression.
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Affiliation(s)
- Yang Yu
- School of Medicine and Life Sciences, Shandong Academy of Medical Sciences, University of Jinan, Jinan, Shandong 250031, P.R. China
| | - Hui Guan
- Department of Radiation Oncology, The Fourth People's Hospital of Jinan, Jinan, Shandong 250031, P.R. China
| | - Liyang Jiang
- Department of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong 250117, P.R. China
| | - Xiaolin Li
- Department of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong 250117, P.R. China
| | - Ligang Xing
- Department of Radiation Oncology, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong 250117, P.R. China
| | - Xiaorong Sun
- Department of Nuclear Medicine, Shandong Cancer Hospital Affiliated to Shandong University, Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong 250117, P.R. China
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