Adenoid cystic carcinoma

  • Adenoid cystic carcinoma is also called cylindroma .
  • Constitute 10% of all salivary neoplasm
  • 65% of minor salivary gland tumours are malignant, of them 40% are adenoid cystic carcinomas.
  • Most common malignant tumour of minor salivary glands
  • Seen equally in males and females in 6th decade of life
  • Characterized by perineural spread and may lead to facial N palsy
  • Distant metastasis to lungs via hematogenous route.

Three histological types:

  1. Tubular
  2. Cribriform
  3. Solid

 

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