1
|
Hyrcza MD, Lindenmuth TR, Auerbach A. Top Ten Lymphoproliferative Lesions Not to Miss When Evaluating Oral Ulcer Biopsies. Head Neck Pathol 2023; 17:99-118. [PMID: 36928739 PMCID: PMC10063747 DOI: 10.1007/s12105-023-01532-2] [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: 11/15/2022] [Accepted: 01/12/2023] [Indexed: 03/18/2023]
Abstract
BACKGROUND Oral ulcers represent a full thickness loss of the mucosal epithelium leading to exposure of the submucosal connective tissue. These are common and usually self-limited lesions, although they may sometimes result from neoplasms, most commonly squamous cell carcinoma. Lymphoproliferative disorders may be difficult to diagnose in apthous ulcers since they mimic reactive inflammation. METHODS This review presents ten rare oral lymphoid proliferations which should not be missed when assessing oral ulcer biopsies. RESULTS The ten lesions include several with diagnostic cells which look similar to the histiocytes of a reactive inflammatory ulcer, including Rosai-Dorfman disease, reticulohistiocytoma, Langerhans cell histiocytosis, and traumatic ulcerative granuloma. Other lesions, such as EBV-positive mucocutaneous ulcer, extranodal marginal zone lymphoma of mucosal-associated lymphoid tissue, and plasmablastic lymphoma have lymphoid and/or plasma cell differentiation that mimic the reactive lymphocytes and plasma cells found in reactive ulcers. Two dendritic cell lesions, follicular dendritic cell sarcoma and blastic plasmacytoid dendritic cell neoplasm, both have distinct phenotypes which are required to make an accurate diagnosis. CONCLUSION Each of these lesions are diagnosed by evaluating their histology, along with their phenotypic profile, which is sometimes enhanced by pertinent molecular findings.
Collapse
Affiliation(s)
- Martin D. Hyrcza
- Department of Pathology and Laboratory Medicine, University of Calgary, Arnie Charbonneau Cancer Institute, Calgary, AB Canada
| | | | | |
Collapse
|
2
|
Self-regressing oral CD30-positive, EBV-negative, T-cell lymphoproliferative lesions. A poorly understood process highlighted by ominous clinicopathologic features and indolent behavior. Oral Surg Oral Med Oral Pathol Oral Radiol 2021; 132:698-707. [PMID: 34526251 DOI: 10.1016/j.oooo.2021.05.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 04/22/2021] [Accepted: 05/30/2021] [Indexed: 11/24/2022]
Abstract
OBJECTIVE Intraoral, primary, CD30-positive (CD30+) T-cell lymphoproliferative disorders (TLPDs) are uncommon, and their clinicopathologic presentation and management can vary and may be challenging. Herein, we present a retrospective study of 4 examples of self-regressing primary CD30+ TLPD affecting the gingiva. STUDY DESIGN Archived files were retrospectively reviewed for oral CD30+ TLPDs featuring (1) proper immunohistochemical documentation, (2) Epstein-Barr virus negativity, (3) adequate follow-up information corroborating regression, and (4) no history of hematopoietic malignancy or related-mucocutaneous disease. RESULTS Three women and 1 man (age range, 55-82 years; mean, 68.3 years) presented with rapidly growing gingival ulcers. Microscopic evaluation revealed diffuse infiltration by sheets of large, atypical cells admixed with lymphocytes and eosinophils, showing angiocentric distribution, focal neurotropism, and muscle infiltration. The lesional cells consistently stained for CD3 and CD30 and were variably immunoreactive against CD2, CD4, CD5, CD7, and CD8, but were negative for ALK1 and EBV-encoded small RNA. TCR-γ gene rearrangement studies revealed a monoclonal T-cell population in 1 case. All lesions showed complete regression 2 to 8 weeks postoperatively (mean follow-up, 4.5 weeks). CONCLUSIONS Notwithstanding their alarming clinicopathologic appearance, there are CD30+ TLPDs confined to the oral cavity that have an indolent course. However, clinical staging is essential to exclude aggressive systemic malignancy.
Collapse
|
3
|
Abstract
OBJECTIVES This review describes our approach to the diagnosis of all 4 anaplastic large cell lymphoma (ALCL) entities. METHODS ALCLs are a group of CD30-positive mature T-cell lymphomas with similar morphologic and phenotypic characteristics but variable clinical and genetic features. They include systemic ALK-positive ALCL, systemic ALK-negative ALCL, primary cutaneous ALCL, and the recently described provisional entity breast implant-associated ALCL. RESULTS In cases with classic features, the diagnosis of ALCL is often straightforward. However, variant histology, the importance of clinical history, and multiple antigenic aberrancies all present challenges to accurate diagnosis and subclassification. CONCLUSIONS A systematic approach to the diagnosis of ALCL and awareness of potential mimics are critical to avoid misdiagnosis. It is also crucial to correctly identify localized forms of ALCL to avoid classification as systemic ALCL and subsequent overtreatment.
Collapse
Affiliation(s)
- Catalina Amador
- Department of Pathology and Microbiology, University of Nebraska, Omaha, NE, USA
| | - Andrew L Feldman
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| |
Collapse
|
4
|
de Andrade BAB, Fontes MD, Roza ALOC, Vargas PA, Agostini M, Canedo NHS, Ramos DD, Morais JC, Milito CB, Romañach MJ. Anaplastic Large Cell Lymphoma with Oral Manifestation: A Series of Four Cases and Literature Review. Head Neck Pathol 2020; 14:991-1000. [PMID: 32440751 PMCID: PMC7669931 DOI: 10.1007/s12105-020-01176-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 05/16/2020] [Indexed: 02/07/2023]
Abstract
The aim of this study was to describe the clinicopathological and immunohistochemical features of four cases of anaplastic large cell lymphoma (ALCL) diagnosed through oral manifestations. Clinical data were collected from charts of a single oral pathology laboratory over a 5-year period (2014-2019) and all cases were evaluated by conventional hematoxylin and eosin staining and an extended immunohistochemical panel comprising CD45, CD20, CD3, CD4, CD7, CD30, CD99, CD138, cytokeratin AE1/AE3, EMA, ALK, MUM-1 and Ki-67. The study included 3 male (75%) and 1 female (25%) patients, with a median age of 44 years. The most common intraoral affected site was the alveolar ridge (50%). Clinically, all cases were characterized as an ulcerated bleeding mass. Microscopically, proliferation of anaplastic large lymphoid cells with medium to large-sized, abundant amphophilic to eosinophilic cytoplasm and eccentric nuclei were observed. All cases were positive for CD30, while two cases strongly express ALK. Two patients died of the disease. Careful correlation of clinical, morphological and immunohistochemical data are necessary to establish the diagnosis of oral manifestation of ALCL since its microscopical features may mimic other malignant tumors. Clinicians and pathologists should consider ALCL in the differential diagnosis when evaluating oral ulcerated swellings exhibiting large lymphoid cells in patients with lymphadenopathy.
Collapse
Affiliation(s)
- Bruno Augusto Benevenuto de Andrade
- Department of Oral Diagnosis and Pathology, School of Dentistry, Federal University of Rio de Janeiro (UFRJ), Av. Carlos Chagas Filho 373, Prédio Do CCS, Bloco K, 2° andar, Sala 56, Ilha da Cidade Universitária, Rio de Janeiro, RJ, 21.941-902, Brazil.
| | - Maria Danielle Fontes
- Department of Oral Diagnosis and Pathology, School of Dentistry, Federal University of Rio de Janeiro (UFRJ), Av. Carlos Chagas Filho 373, Prédio Do CCS, Bloco K, 2° andar, Sala 56, Ilha da Cidade Universitária, Rio de Janeiro, RJ, 21.941-902, Brazil
| | | | - Pablo Agustin Vargas
- Department of Oral Diagnosis, Piracicaba Dental School, State University of Campinas (FOP-UNICAMP), Piracicaba, Brazil
| | - Michelle Agostini
- Department of Oral Diagnosis and Pathology, School of Dentistry, Federal University of Rio de Janeiro (UFRJ), Av. Carlos Chagas Filho 373, Prédio Do CCS, Bloco K, 2° andar, Sala 56, Ilha da Cidade Universitária, Rio de Janeiro, RJ, 21.941-902, Brazil
| | - Nathalie Henriques Silva Canedo
- Department of Pathology, School of Medicine, Clementino Fraga Filho University Hospital, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Denize D'Azambuja Ramos
- Department of Pathology, School of Medicine, Clementino Fraga Filho University Hospital, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - José Carlos Morais
- Department of Pathology, School of Medicine, Clementino Fraga Filho University Hospital, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Cristiane Bedran Milito
- Department of Pathology, School of Medicine, Clementino Fraga Filho University Hospital, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Mário José Romañach
- Department of Oral Diagnosis and Pathology, School of Dentistry, Federal University of Rio de Janeiro (UFRJ), Av. Carlos Chagas Filho 373, Prédio Do CCS, Bloco K, 2° andar, Sala 56, Ilha da Cidade Universitária, Rio de Janeiro, RJ, 21.941-902, Brazil
| |
Collapse
|
5
|
Oschlies I, King RL, Dotlic S, Montes-Moreno S, Ponzoni M, Traverse-Glehen A, Calaminici M, Ferry JA, Ott G, Goodlad JR. The clinico-pathological spectrum of primary cutaneous lymphoma other than mycosis fungoides/Sezary syndrome. Virchows Arch 2019; 476:683-699. [DOI: 10.1007/s00428-019-02713-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 10/28/2019] [Accepted: 11/01/2019] [Indexed: 12/30/2022]
|
6
|
Cabeçadas J, Martinez D, Andreasen S, Mikkelsen LH, Molina-Urra R, Hall D, Strojan P, Hellquist H, Bandello F, Rinaldo A, Cardesa A, Ferlito A. Lymphomas of the head and neck region: an update. Virchows Arch 2019; 474:649-665. [PMID: 30778677 DOI: 10.1007/s00428-019-02543-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Revised: 02/06/2019] [Accepted: 02/08/2019] [Indexed: 12/13/2022]
Abstract
The field of haematopathology is rapidly evolving and for the non-specialized pathologist receiving a specimen with the possibility of a lymphoid malignancy may be a daunting experience. The coincidence of the publication, in 2017, of the WHO monographies on head and neck and haematopoietic and lymphoid tumours prompted us to write this review. Although not substantially different from lymphomas elsewhere, lymphomas presenting in this region pose some specific problems and these are central to the review. In addition, differences in subtype frequency and morphological variations within the same entity are discussed. The difficulty in diagnosis related to some specimens led us to briefly mention common subtypes of systemic lymphomas presenting in the head and neck region.
Collapse
Affiliation(s)
- José Cabeçadas
- Departamento de Diagnóstico Laboratorial, Instituto Português de Oncologia de Lisboa, Francisco Gentil, Rua Prof. Lima Basto, Lisbon, Portugal.
| | - Daniel Martinez
- Department of Anatomic Pathology, Hospital Clinic, University of Barcelona, Barcelona, Spain
| | - Simon Andreasen
- Department of Otorhinolaryngology Head & Neck Surgery and Audiology, Department of Pathology, Rigshospitalet, 2100, Copenhagen, Denmark
| | - Lauge Hjorth Mikkelsen
- Department of Pathology, Rigshospitalet, Copenhagen University Hospital, 2100, Copenhagen, Denmark
| | - Ricardo Molina-Urra
- Pathology and Cytopathology Department, Hospital Base Puerto Montt, Puerto Montt, Chile
| | - Diane Hall
- Department and Pathology, Henry Ford Allegiance Health, Jackson, USA
| | - Primož Strojan
- Department of Radiation Oncology, Institute of Oncology, Ljubljana, Slovenia
| | - Henrik Hellquist
- Epigenetics and Human Disease Laboratory, Department of Biomedical Sciences, CBMR, Algarve Biomedical Centre, University of Algarve, Faro, Portugal
| | - Francesco Bandello
- Department of Ophthalmology, University Vita-Salute-IRCCS Ospedale San Raffaele, Milan, Italy
| | | | - Antonio Cardesa
- Department of Anatomic Pathology, Hospital Clinic, University of Barcelona, Barcelona, Spain
| | - Alfio Ferlito
- International Head and Neck Scientific Group, Padua, Italy
| |
Collapse
|
7
|
Lapthanasupkul P, Songkampol K, Boonsiriseth K, Kitkumthorn N. Anaplastic large cell lymphoma of the palate: A case report. JOURNAL OF STOMATOLOGY, ORAL AND MAXILLOFACIAL SURGERY 2018; 120:172-175. [PMID: 30291889 DOI: 10.1016/j.jormas.2018.09.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Revised: 08/27/2018] [Accepted: 09/26/2018] [Indexed: 01/31/2023]
Abstract
Anaplastic large cell lymphoma (ALCL) is a very rare subtype of T-cell non-Hodgkin's lymphoma (NHL). Similar to other types of NHL, ALCL primarily involves the nodal areas and sometimes it can involve several extranodal sites such as skin, lung and soft tissue. Primary oral involvement of systemic ALCL is very rare. We report a 55-year-old Thai female with anaplastic lymphoma kinase (ALK)-negative ALCL primarily occurring at the hard palate. The patient was referred to the Department of Oral and Maxillofacial Surgery, Mahidol University, complaining of a swelling on her left palate. An incisional biopsy was performed and revealed a diffuse infiltration of large pleomorphic cells with prominent nuclei and sometimes eccentric horseshoe-shaped nuclei. The tumor cells showed a positivity for CD30, CD2, CD4, CD43 and EMA. A few tumor cells were positive to CD45 and CD3. They were negative for CD5, CD8, CD20, AE1/AE3, HMB45, ALK, TCRαβ, TCRγδ, and EBER. The patient reported a decrease in lesionsize after two courses of chemotherapy. However, approximately six months after beginning chemotherapy the tumor metastasized to the nasal cavities and brain. This case represented another rare systemic ALK-negative ALCL case primarily involving the oral cavity.
Collapse
Affiliation(s)
- P Lapthanasupkul
- Department of Oral and Maxillofacial Pathology, Faculty of Dentistry, Mahidol University, 6, Yothi street, 10400 Bangkok, Thailand.
| | - K Songkampol
- Department of Oral and Maxillofacial Radiology, Faculty of Dentistry, Mahidol University, Bangkok, Thailand
| | - K Boonsiriseth
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Mahidol University, Bangkok, Thailand
| | - N Kitkumthorn
- Department of Oral Biology, Faculty of Dentistry, Mahidol University, Bangkok, Thailand
| |
Collapse
|
8
|
Molinari A, Prabhu IS. Necrotic mucosal CD30-positive ulcer on the oral mucosa: a self-healing lymphoma. Br J Oral Maxillofac Surg 2017; 55:859-860. [PMID: 28807481 DOI: 10.1016/j.bjoms.2017.04.025] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2017] [Accepted: 04/23/2017] [Indexed: 12/01/2022]
Affiliation(s)
- A Molinari
- Blenheim Head & Neck Unit, Churchill Hospital, Oxford University Hospitals.
| | - I S Prabhu
- Blenheim Head & Neck Unit, Churchill Hospital, Oxford University Hospitals.
| |
Collapse
|
9
|
Brown NA, Elenitoba-Johnson KSJ. Update from the 4th Edition of the World Health Organization Classification of Head and Neck Tumours: Hematolymphoid Tumours. Head Neck Pathol 2017; 11:96-109. [PMID: 28247223 PMCID: PMC5340738 DOI: 10.1007/s12105-017-0802-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2016] [Accepted: 02/06/2017] [Indexed: 01/13/2023]
Abstract
In 2017, the latest revision to the WHO Classification of Head and Neck Tumours will be released. Similar to the 2005 WHO, the codification of hematopoietic and lymphoid neoplasms of the head and neck is included within chapters pertaining to the nasal cavity and paranasal sinuses, the nasopharynx, the larynx, the oral cavity and oropharynx, the neck and the salivary glands. Herein, we describe both changes to the classification of hematolymphoid neoplasms of the head and neck since the 2005 WHO, as well as recent advances in our understanding of the underlying pathogenesis and molecular pathology of these neoplasms.
Collapse
Affiliation(s)
- Noah A Brown
- Department of Pathology, University of Michigan Health System, Ann Arbor, MI, USA
| | - Kojo S J Elenitoba-Johnson
- Department of Pathology, Perelman School of Medicine at University of Pennsylvania, 609A Stellar Chance Laboratories, 420 Curie Boulevard, Philadelphia, PA, 1904, USA.
| |
Collapse
|
10
|
Update from the 4th Edition of the World Health Organization of Head and Neck Tumours: Tumours of the Oral Cavity and Mobile Tongue. Head Neck Pathol 2017; 11:33-40. [PMID: 28247230 PMCID: PMC5340733 DOI: 10.1007/s12105-017-0792-3] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2016] [Accepted: 02/02/2017] [Indexed: 12/27/2022]
Abstract
There have been several additions and deletions in Chapter 4 on Tumours of the oral cavity and mobile tongue in the 2017 fourth edition of the World Health Organization Classification of Tumours of the Head and Neck. This chapter excludes the oropharynx, which now is a stand-alone chapter acknowledging the uniqueness of the oropharynx from the oral cavity. New entries in Chapter 4 include rhabdomyoma, haemangioma, schwannoma, neurofibroma and myofibroblastic sarcoma in the section titled Soft tissue and neural tumours. Discussion of salivary gland entities have been reduced and includes mucoepidermoid carcinoma and pleomorphic adenoma as the other salivary gland types are discussed elsewhere. In the Haematolymphoid tumours section, like the salivary gland section, only tumors that commonly present in the oral cavity are discussed in Chapter 4. Excluded entities in the updated classification include papillary hyperplasia, median rhomboid glossitis, keratoacanthoma, focal oral mucinosis, and secondary tumors. This article will summarize the changes in the new classification since the 2005 edition focusing on selected entities that have had significant changes along with new entries.
Collapse
|
11
|
Bennani-Baiti N, Ansell S, Feldman AL. Adult systemic anaplastic large-cell lymphoma: recommendations for diagnosis and management. Expert Rev Hematol 2015; 9:137-50. [PMID: 26581318 DOI: 10.1586/17474086.2016.1122514] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Systemic anaplastic large-cell lymphomas (sALCLs) comprise a heterogeneous group of relatively rare T-cell non-Hodgkin lymphomas (NHLs) characterized by CD30 expression and other unifying pathologic features. Anaplastic lymphoma kinase (ALK) fusions are present in about 50% of cases. Pathological diagnosis can be challenging, particularly in ALK-negative cases. Though ALK-positive and ALK-negative sALCLs are similar morphologically and immunophenotypically, they are separate entities with different genetics, clinical behavior, and outcomes. Evidence-based data evaluating treatment regimens are limited as randomized controlled trials are lacking and most prospective studies are too small to draw definitive conclusions. However, recent advances in molecular biology are bringing forth much-needed knowledge in this field, and are likely to guide further targeted therapeutic development.
Collapse
Affiliation(s)
| | - Stephen Ansell
- a Division of Hematology , Mayo Clinic , Rochester , MN , USA
| | - Andrew L Feldman
- b Department of Laboratory Medicine and Pathology , Mayo Clinic , Rochester , MN , USA
| |
Collapse
|
12
|
Hong M, Ko YH. CD30-Positive T-Cell Lymphoproliferative Disease of the Oral Mucosa in Children: A Manifestation of Epstein-Barr Virus-Associated T-Lymphoproliferative Disorder. J Pathol Transl Med 2015; 49:525-30. [PMID: 26420252 PMCID: PMC4696526 DOI: 10.4132/jptm.2015.07.13] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2015] [Revised: 07/10/2015] [Accepted: 07/13/2015] [Indexed: 12/24/2022] Open
Abstract
Eosinophilic ulcer of the oral mucosa (EUOM) is a very rare, benign, self-limiting ulcerative lesion of the oral cavity of unknown pathogenesis, and belongs to the same spectrum of CD30+ T-cell lymphoproliferative disease (LPD) of the oral mucosa. The etiology and pathogenesis of the disease are unknown. We report two cases in children who were initially diagnosed with EUOM and CD30+ T-cell LPD, respectively. However, retrospective analysis revealed that a majority of infiltrated atypical T cells were positive for Epstein-Barr virus (EBV). The present cases suggest that the pathogenesis and etiology of EUOM or CD30+ T-cell LPD occurring in children are different from those in adults. EUOM or CD30+ T-cell LPD in children is a manifestation of EBV-positive T-cell LPD, and should therefore be distinguished from the disease in adults.
Collapse
Affiliation(s)
- Mineui Hong
- Department of Pathology, Hallym University Kangnam Sacred Heart Hospital, Hallym University College of Medicine, Seoul, Korea
| | - Young Hyeh Ko
- Department of Pathology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| |
Collapse
|
13
|
Abstract
Anaplastic large cell lymphoma (ALCL) comprises a group of T-cell non-Hodgkin lymphomas unified by common morphologic and immunophenotypic characteristics, but with a spectrum of clinical presentations and behaviors. Early identification of anaplastic lymphoma kinase (ALK) gene rearrangements in some ALCLs led to recognition of ALK as an important diagnostic and prognostic biomarker, and a key driver of ALCL pathobiology. Rearrangements and other genetic abnormalities of ALK subsequently were identified in diverse other human malignancies. Recent clinical, pathologic, and genetic data have begun to shed light on ALK-negative ALCLs, revealing significant heterogeneity within this more ill-defined entity.
Collapse
Affiliation(s)
- Yu Zeng
- a Department of Laboratory Medicine and Pathology , Mayo Clinic , Rochester , MN , USA.,b Department of Pathology , Tongji Hospital, Tongji University School of Medicine , Shanghai , China
| | - Andrew L Feldman
- a Department of Laboratory Medicine and Pathology , Mayo Clinic , Rochester , MN , USA
| |
Collapse
|
14
|
Thakral B, Zhou J, Medeiros LJ. Extranodal hematopoietic neoplasms and mimics in the head and neck: an update. Hum Pathol 2015; 46:1079-100. [PMID: 26118762 DOI: 10.1016/j.humpath.2015.05.007] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2015] [Revised: 05/03/2015] [Accepted: 05/08/2015] [Indexed: 12/30/2022]
Abstract
The head and neck region is a common site for extranodal lymphomas, second only to the gastrointestinal tract; and 12% to 15% of all head and neck tumors are lymphomas. Non-Hodgkin lymphomas are most common, and Hodgkin lymphoma occurs rarely at extranodal sites in the head and neck. Most non-Hodgkin lymphomas of the head and neck region are of B-cell lineage, and the Waldeyer ring is the most common site. Head and neck lymphomas have distinctive epidemiological and clinicopathologic features, including an association with immunosuppression, infectious organisms, or autoimmune disorders; site-specific differences (eg, thyroid gland versus ocular adnexa) for common lymphomas, such as extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue; and genetic differences that provide insights into etiology. Furthermore, the diagnosis of non-Hodgkin lymphomas at extranodal sites implies differences in prognosis and therapeutic implications with lymphomas at nodal sites. In this review, we discuss various types of non-Hodgkin lymphomas and Hodgkin lymphoma, focusing on unique aspects related to the head and neck region. We also discuss a number of newer entities that are clinically indolent as well as mimics of lymphoma that can occur in the head and neck region, including infectious mononucleosis, Kikuchi-Fujimoto disease, Kimura disease, Castleman disease, and immunoglobulin G4-related disease.
Collapse
Affiliation(s)
- Beenu Thakral
- Department of Hematopathology, The University of Texas M.D. Anderson Cancer Center, Houston, TX 77030, USA.
| | - Jane Zhou
- Tufts Medical Center/Tufts University Medical School, 800 Washington Street, Box 802, Boston, MA 02111
| | - L Jeffrey Medeiros
- Department of Hematopathology, The University of Texas M.D. Anderson Cancer Center, Houston, TX 77030, USA
| |
Collapse
|
15
|
Xing X, Feldman AL. Anaplastic large cell lymphomas: ALK positive, ALK negative, and primary cutaneous. Adv Anat Pathol 2015; 22:29-49. [PMID: 25461779 DOI: 10.1097/pap.0000000000000047] [Citation(s) in RCA: 84] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Anaplastic large cell lymphomas (ALCLs) comprise a group of CD30-positive non-Hodgkin lymphomas that generally are of T-cell origin and share common morphologic and phenotypic characteristics. The World Health Organization recognizes 3 entities: primary cutaneous ALCL (pcALCL), anaplastic lymphoma kinase (ALK)-positive ALCL, and, provisionally, ALK-negative ALCL. Despite overlapping pathologic features, these tumors differ in clinical behavior and genetics. pcALCL presents in the skin and, while it may involve locoregional lymph nodes, rarely disseminates. Outcomes typically are excellent. ALK-positive ALCL and ALK-negative ALCL are systemic diseases. ALK-positive ALCLs consistently have chromosomal rearrangements involving the ALK gene with varied gene partners, and generally have a favorable prognosis. ALK-negative ALCLs lack ALK rearrangements and their genetic and clinical features are more variable. A subset of ALK-negative ALCLs has rearrangements in or near the DUSP22 gene and has a favorable prognosis similar to that of ALK-positive ALCL. DUSP22 rearrangements also are seen in a subset of pcALCLs. In this review, we discuss the clinical, morphologic, phenotypic, genetic, and biological features of ALCLs.
Collapse
|