Otolaryngology Book

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Salivary Gland TumorAka: Salivary Gland Neoplasm

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  1. Epidemiology
    1. Rare compared to other Oral Growths
  2. Types
    1. Benign
      1. Mixed Tumor (Pleomorphic adenoma)
        1. Most Common benign Salivary Gland tumor
        2. May affect major Salivary Glands
        3. May also affect minor Salivary Glands (esp. palate)
        4. Slow growing, nonulcerated painless tumor
        5. Occurs most commonly in women aged 30 to 60 years
      2. Monomorphic Adenoma
      3. Warthin's Tumor
    2. Malignant
      1. Mucoepidermoid carcinoma (ages 20 to 50 years)
      2. Adenoid cystic carcinoma (age over 50 years)
  3. Locations: May affect any of Salivary Glands
    1. Parotid Gland
    2. Sublingual Gland
    3. Submandibular Gland
    4. Minor Salivary Glands
      1. Especially on posterolateral Hard Palate
      2. Buccal mucosa and lips may also be affected
  4. Diagnosis
    1. Slow growing, painless mass
    2. Palpation reveals enlargement
    3. CT or MRI scan diagnostic
  5. Management
    1. Surgical biopsy
  6. Prognosis
    1. Mucoepidermoid carcinoma
      1. Five year survival dependent on grading: 50-90%
    2. Adenoid cystic carcinoma
      1. Five year survival: 65%
      2. Twenty year survival: 15%
  7. Reference
    1. Weinberg (2002) Am Fam Physician 65(7):1379

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