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Civantos FJ, Vermorken JB, Shah JP, Rinaldo A, Suárez C, Kowalski LP, Rodrigo JP, Olsen K, Strojan P, Mäkitie AA, Takes RP, de Bree R, Corry J, Paleri V, Shaha AR, Hartl DM, Mendenhall W, Piazza C, Hinni M, Robbins KT, Tong NW, Sanabria A, Coca-Pelaz A, Langendijk JA, Hernandez-Prera J, Ferlito A. Metastatic Squamous Cell Carcinoma to the Cervical Lymph Nodes From an Unknown Primary Cancer: Management in the HPV Era. Front Oncol 2020; 10:593164. [PMID: 33244460 PMCID: PMC7685177 DOI: 10.3389/fonc.2020.593164] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2020] [Accepted: 09/30/2020] [Indexed: 12/20/2022] Open
Abstract
Background Patients with metastases in the lymph nodes of the neck and no obvious primary tumor, neck cancer with unknown primary (NCUP), represent a management challenge. A majority of patients have metastatic squamous cell carcinoma (SCC), although other histologies do occur. Methods We comprehensively reviewed the literature, compared available guidelines, and conferred with an international team of experts. Results Positron emission tomography-computed tomography (PET-CT) and fine needle aspiration (FNA) under ultrasound guidance increase accuracy of diagnosis. Immunohistochemistry (IHC), determination of human papilloma virus (HPV) status, by p16 staining or by in situ hybridization (ISH), and next-generation gene sequencing can guide us regarding probable primary sites and tumor biology. Narrow Band Imaging (NBI) has been introduced for the early detection of subtle mucosal lesions. Direct laryngoscopy (DL) and tonsillectomy have long been procedures used in the search for a primary site. More recently, TransOral Robotic Surgery (TORS) or Transoral LASER Microsurgery (TLM) have been introduced for lingual tonsillectomy. Conclusions New technologies have been developed which can better detect, diagnose, and treat occult primary tumors. Decisions regarding therapy are based on the primary tumor site (if discovered) and N stage. Options include neck dissection with or without postoperative adjuvant therapy, primary irradiation, or combined chemotherapy with irradiation. The preferred treatment of patients whose primary remains unidentified is controversial.
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Affiliation(s)
- Francisco J Civantos
- Department of Otolaryngology, Sylvester Cancer Center, University of Miami, Miami, FL, United States
| | - Jan B Vermorken
- Department of Medical Oncology, Antwerp University Hospital, Edegem, Belgium
| | - Jatin P Shah
- Department of Surgery, Head and Neck Service, Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | | | - Carlos Suárez
- Instituto de Investigación Sanitaria del Principado de Asturias, Oviedo, Spain
| | - Luiz P Kowalski
- Department of Head and Neck Surgery and Otorhinolaryngology, A.C. Camargo Cancer Center, Sao Paolo, Brazil.,Head and Neck Surgery Department, University of São Paulo Medical School, São Paulo, Brazil
| | - Juan P Rodrigo
- Department of Otolaryngology, Hospital Universitario Central de Asturias, Oviedo, Spain
| | - Kerry Olsen
- Department of Otorhinolaryngology, Mayo Clinic, Rochester, MN, United States
| | - Primoz Strojan
- Department of Radiation Oncology Institute of Oncology, University of Ljubljana, Ljubljana, Slovenia
| | - Antti A Mäkitie
- Department of Otorhinolaryngology-Head and Neck Surgery, University of Helsinki and HUS Helsinki University Hospital, Helsinki, Finland
| | - Robert P Takes
- Department of Otolaryngology/Head and Neck Surgery, Radboud University Medical Center, Nijmegen, Netherlands
| | - Remco de Bree
- Department of Head and Neck Surgical Oncology, University Medical Center Utrecht, Utrecht, Netherlands
| | - June Corry
- Department of Medicine Division Radiation Oncology, St. Vincent's Hospital, The University of Melbourne, Melbourne, VIC, Australia
| | - Vinidh Paleri
- Head and Neck Unit, The Royal Marsden Hospitals NHS Foundation Trust, London, United Kingdom
| | - Ashok R Shaha
- Department of Surgery, Head and Neck Service, Memorial Sloan Kettering Cancer Center, New York, NY, United States
| | - Dana M Hartl
- Division of Surgical Oncology, Gustave Roussy Cancer Center and Paris-Sud University, Paris, France
| | - William Mendenhall
- Department of Radiation Oncology, University of Florida College of Medicine, Gainesville, FL, United States
| | - Cesare Piazza
- Department of Otorhinolaryngology, Maxillofacial and Thyroid Surgery, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Michael Hinni
- Department of Otolaryngology, Mayo Clinic, Phoenix, AZ, United States
| | - K Thomas Robbins
- Southern Illinois University School of Medicine, Department of Otolaryngology, Springfield, IL, United States
| | - Ng Wai Tong
- Department of Clinical Oncology, Pamela Youde Nethersole Eastern Hospital, Hong Kong, Hong Kong
| | - Alvaro Sanabria
- Department of Surgery, School of Medicine, Hospital Universitario San Vicente Fundacion. CEXCA Centro de Excelencia en Enfermedades de Cabeza y Cuello, Universidad de Antioquia, Medellín, Colombia
| | - Andres Coca-Pelaz
- Department of Otolaryngology, Hospital Universitario Central de Asturias, Oviedo, Spain
| | - Johannes A Langendijk
- Department of Radiation Oncology, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | | | - Alfio Ferlito
- International Head and Neck Scientific Group, Padua, Italy
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