Pleomorphic Adenoma

Pleomorphic Adenoma


PLEOMORPHIC ADENOMA

  • Pleomorphic adenoma is the most common benign tumour of salivary gland.
  • Most common tumour in parotid gland.
  • It is a mixed tumour as it consists of both epithelial & mesenchymal cells.
  • Mostly seen in 3rd to 5th decade in women.
  • They are solitary, painless and slow growing nodular tumour.
  • Facial nerve is not involved.
  • Located below & infront of the ear.

Morphology-

  • Pseudoencapsulated, rounded, multilobulated.
  • Most characteristic histological feature is heterogeneity.
  • Presence of microscopic projections of tumour outside of the capsule.

Investigations

  • FNAC

Treatment-

  • Superficial parotidectomy- Patey’s operation
  • Conservative parotidectomy- if both lobes are involved

Exam Important

  • Pleomorphic adenoma is the most common benign tumour of salivary gland.
  • Most common tumour in parotid gland.
  • It is a mixed tumour as it consists of both epithelial & mesenchymal cells.
  • Mostly seen in 3rd to 5th decade in women.
  • They are solitary, painless and slow growing nodular tumour.
  • Facial nerve is not involved.
  • Located below & infront of the ear.
Treatment-

  • Superficial parotidectomy- Patey’s operation
  • Conservative parotidectomy- if both lobes are involved
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