Pathology of Salivary Gland Tumours Flashcards
what can the changes in gland size be attributed to
secretion retention
chronic sialadenitis
gland hyperplasia
salivary neoplasms
what gland has the most tumours
parotid
what are salivary tumours classified by
WHO classification
epithelial neoplasms
non-epithelial neoplasms
what are the clinical features of major gland tumours
lump in affected gland
asymmetry
obstruction
pain, facial palsy
what are the clinical features of minor/intraoral tumours
junction of hard and soft palate
upper lip/cheek
ulcerate late
what diagnostic techniques are used for salivary gland tumours
ultrasound guided fine needle aspirate
core biopsy
incisional biopsy
what problems can arise when trying to diagnose tumours
number of tumour type
variation within a tumour
common features
not all tumours fit the classification
immunohistochemistry needed
what is the most common salivary gland tumour
pleomorphic adenoma
what is the histology of pleomorphic adenoma
duct epithelium
myoepithelial cells
myxoid and chondroid areas
how do you treat a pleomorphic adenoma
wide local excision
what are the problems with pleomorphic adenoma
recurrence
progression to carcinoma
what is the histology of a warthins tumour
cystic
distinctive epithelium
lymphoid tissue
what are the 2 main types of salivary gland carcinoma
adenoid cystic carcinoma
mucoepidermoid carcinoma