Parotid Gland Conditions

Question 1

Where do most salivary gland tumours occur?

Answer 1

Parotid gland

Question 2

Are parotid tumours more commonly benign or malignant?

Answer 2

Benign

Question 3

What are the types of benign tumour?

Answer 3

Benign pleomorphic adenoma
Warthin tumour
Monomorphic adenoma
Haemangioma

Question 4

What is the most common benign parotid neoplasm?

Answer 4

Benign pleomorphic adenoma

Question 5

What is the histology of a benign pleomorphic adenoma?

Answer 5

Proliferation of epithelial and myoepithelial cells of the ducts

Increase in stromal components

Question 6

What is a Warthin tumour also know as?

Answer 6

Papillary cystadenoma lymphoma

Question 7

Is a Warthin tumour typically uni or bilateral?

Answer 7

Bilateral

Question 8

What is the histology of a Warthin tumour?

Answer 8

Lymphocytic infiltrate + cystic epithelial proliferation

Question 9

Who are haemangiomas common in?

Answer 9

Children <1

Question 10

What are the types of malignant parotid neoplasms?

Answer 10

Mucoepidermoid carcinoma
Adenoid cystic carcinoma 
Mixed tumour 
Acinic cell carcinoma
Adenocarcinoma 
Lymphoma

Question 11

How are parotid lumps investigated?

Answer 11

Plain x-ray - exclude calculus

Fine needle aspiration

Question 12

How are most parotid lumps managed?

Answer 12

Surgical resection