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Nasopharyngeal Carcinoma (Early Stage)

Early-stage epithelial malignancy of the nasopharynx, strongly associated with EBV in endemic regions, presenting with cervical lymphadenopathy or unilateral serous otitis media, treated curatively with intensity-modulated radiation therapy (IMRT) often combined with platinum-based chemotherapy.

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Written by: Saygı Hospital Health Guide Editorial Board
Last updated:

This content has been compiled by the Saygı Hospital Health Guide Editorial Board and is periodically reviewed by a specialist physician.

References (5)

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What is Nasopharyngeal Carcinoma (Early Stage)?

Nasopharyngeal carcinoma (NPC) is a malignant epithelial tumor arising from the nasopharyngeal mucosa, predominantly the lateral wall (fossa of Rosenmüller). The WHO classification distinguishes keratinizing squamous (type I), non-keratinizing differentiated (type II), and non-keratinizing undifferentiated (type III) variants; type III is most strongly EBV-associated and most common in endemic regions.

NPC has a distinctive geographic distribution with high incidence in southern China, Southeast Asia, North Africa (Maghreb), Inuit populations, and Mediterranean regions, reflecting genetic susceptibility (HLA haplotypes), environmental factors (salt-cured fish, nitrosamines), and EBV co-factor. Unlike other head and neck cancers, NPC is not strongly tobacco-associated.

Early-stage disease (AJCC stage I-II: T1-T2, N0-N1) presents with subtle symptoms — painless cervical lymphadenopathy in 75% (often retropharyngeal or upper jugular), unilateral serous otitis media from Eustachian tube obstruction, epistaxis, or nasal obstruction. Diagnosis requires endoscopy with biopsy of suspicious mucosa or lateralized fullness, MRI of skull base and neck for local extension, and plasma EBV DNA quantification (highly sensitive marker). PET-CT screens for distant metastasis. Treatment of early-stage NPC is IMRT (70 Gy to gross tumor) with concurrent cisplatin chemotherapy for stage II-IVA; 5-year overall survival exceeds 90% in stage I and 85% in stage II.

Symptoms

Painless unilateral cervical lymphadenopathy (most common presenting sign)
Unilateral serous otitis media or aural fullness (Eustachian tube blockage)
Unilateral hearing loss
Epistaxis or blood-tinged nasal/post-nasal discharge
Nasal obstruction (often unilateral)
Headache (skull base involvement)
Cranial nerve palsies in advanced disease (V, VI most common)

Risk Factors

Asian (especially southern Chinese), North African, or Mediterranean ethnicity
Epstein-Barr virus (EBV) infection
Diet rich in salt-cured fish or preserved foods (nitrosamines), especially during childhood
Family history of NPC (genetic susceptibility, HLA haplotypes)
Male sex (2-3x higher than female)
Tobacco and alcohol use (modest association)
Occupational exposure to formaldehyde or wood dust

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

  • Persistent unilateral neck lump for more than 2-3 weeks
  • Unilateral serous otitis media in adult (especially over age 40)
  • Recurrent unilateral epistaxis or blood in post-nasal drip
  • Persistent unilateral nasal blockage or hearing loss
  • Cranial nerve symptoms (double vision, facial numbness)
  • Family or personal history of NPC with new ENT symptoms
  • EBV DNA elevation on screening in endemic populations

Treatment Methods

01
Intensity-modulated radiation therapy (IMRT) — primary curative modality (70 Gy to gross disease)
02
Concurrent platinum-based chemotherapy (cisplatin) for stage II-IVA
03
Induction chemotherapy (gemcitabine-cisplatin) for locoregionally advanced disease
04
EBV DNA monitoring during and after treatment for response assessment
05
Salvage nasopharyngectomy or re-irradiation for local recurrence
06
Long-term follow-up with endoscopy, MRI, and EBV DNA every 3-6 months
07
Multidisciplinary radiation oncology, medical oncology, and head-neck surgery team

Which Department to Visit?

You can visit our KBB (Kulak Burun Boğaz) department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

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