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Sittitrai P, Ruenmarkkaew D, Chitapanarux I, Muangwong P, Kangsadarnwiroon K, Benjawongsatien R, Srivanitchapoom C, Donchalermpak S, Asakit T. Head and Neck Cancer of Unknown Primary: A Multicenter Retrospective Cohort study in Northern Thailand, an Endemic Nasopharyngeal Cancer Area. Asian Pac J Cancer Prev 2024; 25:699-708. [PMID: 38415558 PMCID: PMC11077134 DOI: 10.31557/apjcp.2024.25.2.699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 02/20/2024] [Indexed: 02/29/2024] Open
Abstract
OBJECTIVE This study aimed to evaluate the characteristics and oncological outcomes of head and neck carcinoma of unknown primary (HNCUP) patients in an endemic nasopharyngeal cancer (NPC) area. METHODS One hundred and forty-four HNCUP patients curatively treated between January 1995 and December 2022 from 5 centers were retrospectively recruited onto the study to analyze the clinicopathological characteristics and oncological outcomes and compare them with historical data. A multivariate Cox proportional hazards model analysis was performed to evaluate factors affecting survival outcomes. A propensity-matched pair analysis of the patients with positive and negative EBV-encoded small RNA (EBER) staining was applied to compare the characteristics and outcomes between the two groups. RESULTS The median follow-up time was 45 months. Most patients (88.2%) received total mucosal irradiation (TMI). Primary tumor emergence (PTE) was detected in 6 patients (4.2%) who did not have TMI. The 5-year overall survival (OS), disease-free survival, and locoregional recurrence-free survival were 51.3%, 64.9%, and 72.7%, respectively. Extranodal extension and N3 compared with the N1 stage were the significant independent predictors for OS (HR 2.90, 95% CI 1.12-7.51, p = 0.028 and HR 3.66, 95%CI 1.23-11.89, p = 0.031, respectively). The matched-pair analysis demonstrated comparable all survival outcomes between the EBER-positive and -negative groups. All patients in the matched pair analysis received TMI, and no PTE was detected. CONCLUSION Our survival outcomes were comparable to previous studies with a low rate of PTE. The matched pair analysis of EBER-positive and -negative groups revealed similar oncological outcomes and no primary tumor emergence when total mucosal irradiation was administered.
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Affiliation(s)
- Pichit Sittitrai
- Department of Otolaryngology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand.
| | - Donyarat Ruenmarkkaew
- Department of Otolaryngology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand.
| | - Imjai Chitapanarux
- Division of Radiation Oncology, Department of Radiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand.
| | - Pooriwat Muangwong
- Division of Radiation Oncology, Department of Radiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand.
| | | | | | | | | | - Tussawan Asakit
- Department of Radiation Oncology, Lampang Cancer Hospital, Lampang, Thailand.
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Kataria SP, Mahak, Kumar S, Singh G, Singh S. Oligodendroglioma metastasizing to cervical lymph node: Rare entity diagnosed on fine-needle aspiration cytology. Diagn Cytopathol 2023; 51:E124-E128. [PMID: 36628997 DOI: 10.1002/dc.25100] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 12/27/2022] [Indexed: 01/12/2023]
Abstract
Extra neural metastasis of central nervous system oligodendroglioma is very rare. Oligodendroglioma is the seventh most frequently occurring neoplasm of central nervous system (CNS) with metastasis outside the CNS. According to literature, presence of metastasis in CNS was most frequently detected in patients of glioblastoma (41.4%), medulloblastoma (26.7%), ependymomas (16.4%), astrocytoma (10.3%) and oligodendroglioma (5.27%). A 38-year-old male patient presented with loss of vision and swelling on left side of neck since last 1 week measuring 3 x 2 cm. He was operated for brain tumor 7 years back, which was diagnosed as oligodendroglioma. Ultrasound sonography revealed multiple hypoechoic lymph nodes in bilateral cervical region largest measuring 4.5 x 1.9 cm in left submandibular region. FNA of left submandibular lymph node was done, which revealed deposits of poorly differentiated malignancy. Cell block was prepared for carrying out ancillary studies which showed positivity for glial fibrillary acidic protein (GFAP), S-100 and negativity for cytokeratin (CK), epithelial membrane antigen (EMA), LCA and progesterone receptor (PR). Based on previous history of oligodendroglioma, cytological and immunohistochemistry (IHC) findings a diagnosis of metastatic oligodendroglioma was made. Metastasis of oligodendroglioma to cervical lymph node should also be considered as one of the differential diagnoses. Diagnosing metastatic CNS tumor is extremely challenging for pathologists. It is essential to have the clinical information of a previous CNS tumor, including the histologic type and immunophenotype. Besides common malignancies of cervical lymph node, we should also think of CNS metastasis so that patient management will be early and proper.
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Affiliation(s)
- Sant Prakash Kataria
- Department of Pathology, Pt. B. D. Sharma Post Graduate Institute of Medical Sciences, Rohtak, Haryana, India
| | - Mahak
- Department of Pathology, Pt. B. D. Sharma Post Graduate Institute of Medical Sciences, Rohtak, Haryana, India
| | - Sanjay Kumar
- Department of Pathology, Pt. B. D. Sharma Post Graduate Institute of Medical Sciences, Rohtak, Haryana, India
| | - Gajender Singh
- Department of Immunohematology and Blood transfusion, Pt. B. D. Sharma Post Graduate Institute of Medical Sciences, Rohtak, Haryana, India
| | - Sunita Singh
- Department of Pathology, Pt. B. D. Sharma Post Graduate Institute of Medical Sciences, Rohtak, Haryana, India
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Coca-Pelaz A, Bishop JA, Zidar N, Agaimy A, Gebrim EMMS, Mondin V, Cohen O, Strojan P, Rinaldo A, Shaha AR, de Bree R, Hamoir M, Mäkitie AA, Kowalski LP, Saba NF, Ferlito A. Cervical Lymph Node Metastases from Central Nervous System Tumors: A Systematic Review. Cancer Manag Res 2022; 14:1099-1111. [PMID: 35300060 PMCID: PMC8921675 DOI: 10.2147/cmar.s348102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Accepted: 02/17/2022] [Indexed: 11/23/2022] Open
Abstract
Introduction Lymph node metastasis (LNM) from primary tumors of the central nervous system (CNS) is an infrequent condition, and classically it was thought that CNS tumors could not spread via the lymphatic route. Recent discoveries about this route of dissemination make its knowledge necessary for surgeons and pathologists to avoid delays in diagnosis and unnecessary treatments. The aim of this paper is to review the literature and to discuss the relevant pathogenetic mechanism and the cytologic features along with recommendations for surgical treatment of these cervical LNM. Materials and Methods Using PRISMA guidelines, we conducted a systematic review of the literature published from 1944 to 2021, updating the comprehensive review published in 2010 by our group. Results Our review includes data of 143 articles obtaining 174 patients with LNM from a primary CNS tumor. The mean age of the patients was 31.9 years (range, 0.1–87) and there were 61 females (35.1%) and 103 males (59.2%), and in 10 cases (5.7%) the gender was not specified. The more frequent sites of distant metastasis were bones (23%), lungs (11.5%) and non-cervical lymph nodes (11%). Conclusion Cervical LNM from CNS tumors is infrequent. Pathologic diagnosis can be obtained by fine-needle aspiration cytology in most cases, giving surgeons the option to plan the appropriate surgical treatment. Given the poor prognosis of these cases, the most conservative possible cervical dissection is usually the treatment of choice.
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Affiliation(s)
- Andrés Coca-Pelaz
- Department of Otolaryngology, Hospital Universitario Central de Asturias-University of Oviedo, Instituto de Investigación Sanitaria del Principado de Asturias, IUOPA, CIBERONC, Oviedo (Asturias), Spain
- Correspondence: Andrés Coca-Pelaz, Department of Otolaryngology, Hospital Universitario Central de Asturias-University of Oviedo, Instituto de Investigación Sanitaria del Principado de Asturias, IUOPA, CIBERONC, Avenida de Roma s/n, Oviedo (Asturias), 33011, Spain, Email
| | - Justin A Bishop
- Department of Pathology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Nina Zidar
- Institute of Pathology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Abbas Agaimy
- Institute of Pathology, Friedrich Alexander University Erlangen-Nürnberg, University Hospital, Erlangen, Germany
| | - Eloisa Maria Mello Santiago Gebrim
- Otorhinolaryngology Department, National Institute of Rehabilitation, Mexico City, Mexico
- Radiology Department, Hospital das Clínicas, University of São Paulo, São Paulo, Brazil
| | - Vanni Mondin
- ENT Clinic, Policlinico Città di Udine, Udine, Italy
| | - Oded Cohen
- ARM - Center for Otolaryngology - Head and Neck Surgery and Oncology, Assuta Medical Center, Tel Aviv, Affiliated with Ben Gurion University, Beer Sheva, Israel
| | - Primož Strojan
- Department of Radiation Oncology, Institute of Oncology, Ljubljana, Slovenia
| | | | - Ashok R Shaha
- Head and Neck Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Remco de Bree
- Department of Head and Neck Surgical Oncology, University Medical Center Utrecht, Utrecht, The NetherlAnds
| | - Marc Hamoir
- Department of Head and Neck Surgery, UC Louvain, St Luc University Hospital and King Albert II Cancer Institute, Brussels, Belgium
| | - Antti A Mäkitie
- Department of Otorhinolaryngology, Head and Neck Surgery, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Luiz P Kowalski
- Head and Neck Surgery and Otorhinolaryngology Department, A C Camargo Cancer Center and Department of Head and Neck Surgery, University of São Paulo Medical School, São Paulo, Brazil
| | - Nabil F Saba
- Department of Hematology and Medical Oncology, The Winship Cancer Institute of Emory University, Atlanta, GA, USA
| | - Alfio Ferlito
- International Head and Neck Scientific Group, Padua, Italy
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Pinkiewicz M, Dorobisz K, Zatoński T. A Systematic Review of Cancer of Unknown Primary in the Head and Neck Region. Cancer Manag Res 2021; 13:7235-7241. [PMID: 34566429 PMCID: PMC8457440 DOI: 10.2147/cmar.s319179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Accepted: 08/20/2021] [Indexed: 11/25/2022] Open
Abstract
Background Despite the vivid progress in molecular and genetic profiling, extensive diagnosis and multiple therapeutic modalities, cancers of unknown primary in the head and neck region continue to be a formidable challenge. Aim The purpose of the review is to present the most recent and well-established findings concerning cancers of unknown primary (CUPs) in the head and neck patients and consequently to provide medical specialists with essential information regarding the biology, pathology, histology, diagnosis and treatment of CUP in the head and neck region. Material and Methods The Medline/PubMed database was searched by using the following keywords “CUP”, “cancer of unknown primary”, “CUP biology”, “head and neck”. The references of the publications of interest were also screened for relevant papers. There were no limitations in regard to the publication date. Conclusion Unique biology and pathophysiology prompt the management of CUP to be demanding. The vivid rise in HPV-related CUPs during the last 20 years has put more focus on this phenomenon. New findings concerning the enigmatic biology of CUP provide fundaments for targeted therapy. Despite the availability of various diagnostic methods, the diagnosis of CUP continues to be a time-consuming, strenuous process that eventually provides answers. It remains controversial as to what combination of treatment methods is the most effective. There is no consensus on the value of combining chemotherapy with radiotherapy. Highly specific surgical treatments for particular histological types of CUP produce more satisfactory results. It is paramount to establish reliable guidelines concerning the diagnosis and treatment of CUP patients.
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Affiliation(s)
- Milosz Pinkiewicz
- Department of Otolaryngology, Head and Neck Surgery, Wroclaw Medical University, Wrocław, Poland
| | - Karolina Dorobisz
- Department of Otolaryngology, Head and Neck Surgery, Wroclaw Medical University, Wrocław, Poland
| | - Tomasz Zatoński
- Department of Otolaryngology, Head and Neck Surgery, Wroclaw Medical University, Wrocław, Poland
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Kang H, He H, Ma J, Wen J, Ma Q, Guo G, Zhang W. Carcinoma of unknown primary detected by whole-body diffusion-weighted imaging: A case report and review of the literature. Radiol Case Rep 2020; 15:983-987. [PMID: 32426081 PMCID: PMC7225598 DOI: 10.1016/j.radcr.2020.04.002] [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: 03/03/2020] [Revised: 03/29/2020] [Accepted: 04/07/2020] [Indexed: 11/16/2022] Open
Abstract
Carcinoma of unknown primary accounts for 2%-5% of all head and neck tumors. Identification of the primary site is challenging. We present a case report of a 43-year-old man with metastatic cervical lymphadenopathy for 3 year, and the primary tumor was unknown after routine examinations, including positron emission tomography/computed tomography. Whole-body diffusion-weighted imaging was performed to detect small lesions in the nasopharynx, and a biopsy confirmed the lesions as squamous cell carcinoma. Therefore, the primary tumor site was found in a patient with carcinoma of unknown primary, suggesting that whole-body diffusion-weighted imaging can be very helpful in detecting small occult cancer.
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Affiliation(s)
- Houyi Kang
- Department of Radiology, Daping hospital, Army medical university, Chongqing 400042, China
| | - Haitao He
- Department of Maxillofacial Head and Neck Surgery, Daping hospital, Army medical university, Chongqing, China
| | - Jie Ma
- Department of Maxillofacial Head and Neck Surgery, Daping hospital, Army medical university, Chongqing, China
| | - Jianliang Wen
- Department of Radiology, Daping hospital, Army medical university, Chongqing 400042, China
| | - Qiang Ma
- Department of Pathology, Daping hospital, Army medical university, Chongqing, China
| | - Guangkuo Guo
- Department of Radiology, Daping hospital, Army medical university, Chongqing 400042, China
| | - Weiguo Zhang
- Department of Radiology, Daping hospital, Army medical university, Chongqing 400042, China
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