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Salivary Gland Cancer

Heterogeneous group of malignancies arising from major and minor salivary glands.

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)

This content is for informational purposes only and does not constitute medical advice. You can book an appointment at our Onkoloji department. Book Appointment →

What is Salivary Gland Cancer?

Salivary gland cancers comprise a diverse group of over 20 histologic subtypes including mucoepidermoid carcinoma (most common), adenoid cystic carcinoma, acinic cell carcinoma, salivary duct carcinoma, polymorphous adenocarcinoma, and salivary carcinoma ex pleomorphic adenoma. They arise from the parotid (most common, 60-70%), submandibular, sublingual, and minor salivary glands of the oral cavity, paranasal sinuses, and upper aerodigestive tract.

Risk factors include prior head and neck radiation, ionizing radiation exposure, possibly viral infections (EBV, HPV), and rare familial syndromes. Most parotid tumors are benign (80%), but in the submandibular and sublingual glands, malignancy probability rises to 50%.

Patients present with painless swelling, facial nerve weakness (red flag), trismus, or lymphadenopathy. Workup includes ultrasound, MRI (best for perineural spread), fine-needle aspiration, and core biopsy. Surgical resection (parotidectomy with facial nerve preservation when possible) is the cornerstone, with elective neck dissection for high-grade tumors. Adjuvant radiotherapy is indicated for high-grade, advanced T-stage, perineural invasion, lymph node positivity, or close margins.

Symptoms

Painless preauricular, submandibular, or oral mass
Slowly growing parotid swelling
Facial nerve weakness or paralysis (high suspicion of malignancy)
Pain or tenderness over the gland
Numbness in face or tongue
Trismus or jaw stiffness
Skin fixation or ulceration over mass
Cervical lymphadenopathy
Otalgia (ear pain)
Dysphagia
Neck mass with no other obvious primary
Persistent unilateral xerostomia
Symptoms of distant metastasis (lung most common in adenoid cystic)

Risk Factors

Prior head and neck radiotherapy
Ionizing radiation exposure
Workplace exposure: nickel, chromium, asbestos, rubber
EBV (some lymphoepithelial carcinomas)
HPV (rare subtypes)
Smoking (Warthin tumor mostly, mild risk for malignancy)
Alcohol use
Familial salivary cancer syndromes (rare)
Sjogren syndrome (lymphoma risk in salivary glands)
Age over 50
Male sex (slightly more common)

When to See a Doctor?

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

  • Painless mass in front of ear, under jaw, or in mouth
  • Facial drooping with parotid mass (urgent)
  • Numbness in face or tongue
  • Skin fixation or ulceration over swelling
  • Cervical lymphadenopathy with parotid mass
  • Trismus or jaw stiffness
  • Persistent unilateral salivary swelling beyond 4 weeks
  • Pain or rapid growth of known salivary mass
  • Prior head and neck radiation with new mass

Treatment Methods

01
Head and neck oncology referral
02
Ultrasound-guided fine-needle aspiration (FNA)
03
Core needle biopsy for indeterminate FNA
04
MRI with contrast (best for facial nerve and perineural assessment)
05
CT chest for staging in high-grade or symptomatic disease
06
Audiogram and dental evaluation pre-treatment
07
Multidisciplinary tumor board
08
Superficial parotidectomy with facial nerve preservation when feasible
09
Total parotidectomy with nerve sparing or sacrifice (with grafting) for deep lobe or nerve-involved tumors
10
Submandibular gland resection (level Ib dissection)
11
Sublingual or minor gland excision with adequate margins
12
Selective neck dissection for high-grade or T3-T4 tumors
13
Sentinel node biopsy in selected cases
14
Free flap reconstruction for large defects
15
Adjuvant intensity-modulated radiotherapy 60-66 Gy
16
Concurrent chemoradiation in selected high-risk cases (limited evidence)
17
Targeted therapy: HER2+ disease (trastuzumab), androgen receptor+ (bicalutamide), NTRK fusions (larotrectinib, entrectinib)
18
Pembrolizumab for select metastatic disease
19
Salvage surgery for recurrence
20
Facial nerve rehabilitation: physical therapy, eye care, surgical reanimation
21
Speech and swallow therapy
22
Dental rehabilitation post-radiation
23
Long-term surveillance: q3 months for 2 years, then biannual to year 5 (longer for adenoid cystic given late recurrences)
24
Palliative care for advanced or recurrent disease

Which Department to Visit?

You can visit our Onkoloji department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

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Health Disclaimer: The information on this page is prepared for general informational purposes only. It does not replace medical diagnosis and treatment. Please consult your physician for your complaints. Saygı Hospital does not accept responsibility for actions taken based on the information on this page.