NEOPLASTIC LESIONS OF SALIVARY GLANDS Flashcards
Larger the gland size, the more the chance that the tumor is __________
benign
Smaller the gland size, the more the chance that tumor is __________
malignant
Bad signs about tumor
Facial nerve involvement
Skin fixed
Rapid growth
Decreased mobility
Pain
___________ is the most common benign tumor of salivary glands
Pleomorphic adenoma
Pleomorphic adenoma is common in _________
females aged 30-40
Pleomorphic adenoma is most commonly found in ____________
parotid gland tail
Morphology of pleomorphic adenoma
Mixed cells (epithelial and mesenchymal)
Encapsulated with pseudopods
Tx of benign lesions in parotid gland
Superficial parotidectomy
Warthin tumor is AKA ____________
Adenolymphoma
Papillary cystadenoma
Lymphomatosum
Age and sex in which tumors are common.
Adenolymphoma
Oncocytoma
Hemangioma
Adenolymphoma (5th-7th decade men)
Oncocytoma (elder)
Hemangioma (children and female)
Characteristics of adenolymphoma
bilateral and multiple
Characteristics of oncocytoma
Dx by technetium-99 and there is higher uptake
Do not grow larger than 5cm
Characteristics of hemangioma
increase in size on crying or straining
Mucoepidermoid CA is a ____________ growing tumor
slow
Adenoid cystic carcinoma (cylindroma) is a ________ growing tumor
slow
Squamous cell CA is a _______ growing tumor
rapid
In Mucoepidermoid CA, ___________ causes tumor to behave malignant
epidermoid
Low grade mucoepidermoid CA are common in ____________
children
Low grade mucoepidermoid CA tx
SUperficial or total parotidectomy with preserving the facial nerve
High grade mucoepidermoid CA tx
Total parotidectomy
Facial nerve may be sacrificed
Radical neck dissection
Adenoid cystic CA has a tendency to recur ______ and distant metastasis are to _____, _______ and ______
10-20 years
lung, brain and bone
Acinic cell carcinoma is a _______ grade CA
low grade
Adenocarcinoma is commonly seen in _______ glands
minor salivary glands
Malignant mixed tumor has two parts
De novo tumor
CA developed in pre-existing benign tumor
All other malignant lesions tx except acinic cell CA
Radical parotidectomy
What is Frey syndrome
gustatory sweating
as a complication of parotid surgery
sweating and flushing of preauricular area during mastication
Due to parasympathetic innervation of sweat glands
Tx of Frey syndrome
Tympanic neurectomy
Fascia lata between skin and fat
Botulinum toxin
