Pathology of Salivary Gland Tumours Flashcards
1
Q
what are the types of changes in gland size?
A
- secretion retention (mucocele, duct obstruction)
- chronic sialadenitis
- gland hyperplasia (sialosis, sjogren’s syndrome)
- salivary neoplasm
2
Q
What are salivary neoplasias?
A
3
Q
epidemiology of salivary gland tumours?
A
- uncommon, mostly in adults
- 10 per 100,000 population
3% of head & neck neoplasms - 75% benign overall
- malignant salivary gland tumours seem to be increasing
4
Q
Distribution of salivary gland tumours?
A
5
Q
clinical features of major salivary gland pathology?
A
lump in affected gland (asymmetry, obstruction, pain, facial palsy)
6
Q
what are some techniques used to help aid diagnosis of salivary gland pathology?
A
- Ultrasound guided fine needle aspirate
- core biopsy
- incisional biopsy
7
Q
What are some problems in diagnosing salivary gland tumours?
A
8
Q
what is a pleomorphic adenoma?
A
- 75% of all salivary tumours
- parotid most common
- slow growth
- varied histology - “mixed tumour”
- Capsule variable
9
Q
treatment & problems of pleomorphic adenoma?
A
treatment:
- wide local excision
problems:
- recurrence (multifocal)
- progression to carcinoma (5%)
10
Q
Warthin’s tumour (adenolymphoma)?
A
- 15% of tumours
- most in parotid
- occasionally multiple/bilateral (10%)
- histology (cystic, distinctive epithelium, lymphoid tissue)
- treat by excision
11
Q
salivary gland carcinomas
A
12
Q
Adenoid cystic carcinoma?
A
13
Q
Mucoepidermoid carcinoma?
A
14
Q
Other types of salivary gland carcinomas?
A
