SALIVARY GLAND DISEASE

Question 0

What is sialedenitis? Caused by? Which glands?

Answer 0

Acute, subacute or chronic inflammation of salivary gland.

Usually parotid or submandibular

Staph aureus, mumps virus

Question 1

DDx for salivary disease?

Answer 1

Non-NEOPLASTIC

• sialedenitis
• sialolithiasis
• benign lymphoepithelial lesions

NEOPLASTIC

• pleiomorphic adenoma (benign)
• mucoepidermoid (malignant)
• adenoid cystic carcinoma (malignant)

Question 2

What is sialolithiasis?

Answer 2

Obstructive calcifications in submandibular gland (90%) or parotid gland.

Stasis of saliva -> infection

Question 3

Presentation of salivary disease?

Answer 3

Pain
Weakness
Parasthesia: facial nerve involvement (carcinoma)
Cervical lymphadenopathy

Question 4

Investigation of lump?

Answer 4

FNA with biopsy

US for sialedenitis
CT/MRI for extent of tumour

Question 5

If looking for salivary duct stone, what investigation?

Answer 5

Submandibular (90%) of stones: XR positioning is easy, therefore no dialog ran

Other salivary glands: sialogram