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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