Nasopharyngeal cancer

Overview 
Theory 
Diagnosis 
Management 
Follow up 
Resources 

Last reviewed: 23 Oct 2024

Last updated: 04 Jul 2024

Nasopharyngeal cancer (NPC) most commonly presents with a neck mass. Epistaxis, nasal obstruction, unilateral otitis media with effusion (serous otitis media), tinnitus, or impaired hearing in one ear should raise suspicion of NPC, particularly in an Asian patient.

Risk factors for NPC include a history of Epstein-Barr virus (EBV) infection, diet rich in salted fish, smoking or other tobacco use, and a family history of NPC in a first-degree relative.

Confirm the diagnosis with endoscopic biopsy of the primary tumor and/or fine-needle aspiration/core biopsy of neck nodal metastasis.

Radiation therapy is the main treatment modality for nonmetastatic NPC. Some patients with early-stage NPC can be treated with radiation therapy alone. Concurrent chemotherapy is added for locally advanced disease. Surgery, reradiation, and chemotherapy are options for locoregional nasopharyngeal/neck nodal recurrence and metastatic disease. Documentation of remission after completion of treatment is important and can be done with clinical and radiographic assessments.

Plasma EBV after treatment can provide prognostic information and it can also be used for early detection of recurrences.

Definition

Nasopharyngeal cancer most often refers to squamous cell carcinoma (SCC) of the nasopharynx. It is a head and neck cancer arising from epithelial cells with three histopathologic subtypes: nonkeratinizing SCC, keratinizing SCC, and basaloid SCC.[1] Other malignant tumors of the nasopharynx (e.g., adenocarcinoma, adenoid cystic carcinoma, lymphoma, melanoma, and sarcoma) are extremely rare in comparison and are not covered in this topic.

History and exam

Key diagnostic factors

Neck mass
Epistaxis or bloody nasal discharge
Nasal obstruction
Tinnitus or impaired hearing
Unilateral otitis media with effusion
Cranial nerve palsy

Full details

Other diagnostic factors

Headaches
Diplopia or strabismus
Facial numbness
Fever
Night sweats
Unintentional weight loss

Full details

Risk factors

Epstein-Barr virus (EBV) infection
Diet high in salted fish
First-degree relative with NPC
Smoking
HPV infection

Full details

Diagnostic tests

1st tests to order

Nasopharyngoscopy
Tumor biopsy
MRI of the nasopharynx, skull base, and neck (to clavicles)
18F-FDG-PET/CT (vertex to mid-thigh)

Full details

Tests to consider

Plasma Epstein-Barr virus (EBV) DNA
Epstein-Barr virus-encoded RNA in situ hybridization (EBER ISH)

Full details

Treatment algorithm

ACUTE

stage 1 (T1, N0, M0)

stage 2 (T2, N0, M0)

stage 2 (T1-2, N1, M0)

stage 3 (T3, N0, M0)

stage 3-4A (T4, N0, M0; or T4, N1-N3, M0; or T3, N1-3, M0; or any T, N2-3, M0)

metastatic disease

ONGOING

locoregional nasopharyngeal and/or neck nodal recurrence

Contributors

Authors

Hyunseok Kang, MD, MPH

Associate Professor

Department of Medicine

University of California

San Francisco

Disclosures

HK has been paid by Coherus Biosciences, Remix Therapeutics, Archilles Therapeutics, Exelixis, and GSK for serving their scientific advisory board. HK has served scientific boards of Prelude therapeutics, Elevar therapeutics, and NeoImmune Tech without compensation. HK has been paid by PIN therapeutics, Bertis Biosciences, MitoImmune, and Bayer for serving as a consultant. HK's institution has been paid by Exelixis, Lilly, Prelude therapeutics, Elevar therapeutics, and NeoImmune Tech for contracted research. HK's institution has been paid by NRG Oncology's grant program. HK has been paid by AXIS medical education for developing educational content.

Jason Chan, MD

Assistant Professor

Department of Radiation Oncology

University of California

San Francisco

Disclosures

JC declares that he has no competing interests.

Peer reviewers

Kevin J. Harrington, PhD, FRCP, FRCR

Head of Division of Radiotherapy and Imaging

The Institute of Cancer Research

London

Disclosures

KJH has received honoraria for Scientific Advisory Boards and/or Lectures/Symposia from Arch Oncology, AstraZeneca, BMS, Boehringer-Ingelheim, Codiak, F-Star, Inzen, Johnson and Johnson, Merck-Serono, MSD, Pfizer, and Replimune.

Lawrence R. Lustig, MD

BMJ Best Practice ENT expert panel member

Professor and Chair

Department of Otolaryngology

Columbia University Vagelos College of Physicians and Surgeons

New York

Disclosures

LRL declares that he has no competing interests.

Differentials
- Nasopharyngeal polyposis
- Nasopharyngeal angiofibroma
- Lymphoma
More Differentials
Guidelines
- NCCN clinical practice guidelines in oncology: head and neck cancers
- Diagnosis and management of squamous cell carcinoma of unknown primary in the head and neck
More Guidelines
Videos
How to examine the nasal cavity
More videos
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Nasopharyngeal cancer

Summary

Definition

History and exam

Key diagnostic factors

Other diagnostic factors

Risk factors

Diagnostic tests

1st tests to order

Tests to consider

Treatment algorithm

stage 1 (T1, N0, M0)

stage 2 (T2, N0, M0)

stage 2 (T1-2, N1, M0)

stage 3 (T3, N0, M0)

stage 3-4A (T4, N0, M0; or T4, N1-N3, M0; or T3, N1-3, M0; or any T, N2-3, M0)

metastatic disease

locoregional nasopharyngeal and/or neck nodal recurrence

Contributors

Authors

Hyunseok Kang, MD, MPH

Disclosures

Jason Chan, MD

Disclosures

Peer reviewers

Kevin J. Harrington, PhD, FRCP, FRCR

Disclosures

Lawrence R. Lustig, MD

Disclosures

Differentials

Guidelines

Videos

Log in or subscribe to access all of BMJ Best Practice

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