Chapter 29 - salivary glands Flashcards
What are the roles of the salivary glands?
Digestion and tooth protection
Which nodes drain along the retromandibular vein to empty into the superficial lymphatics?
Parotid nodes
Which region drains partly into the parotid nodes and partly into the retroauricular nodes?
The parietal region of the scalp
Which site of the salivary glands has the highest incidence of tumors?
Parotid gland
What may account in the cause of malignant tumors of the submandibular gland?
Exposure to low-ionizing radiation in childhood
Female patients who have a history of carcinomas of the major salivary glands have a higher incidence of what other cancer?
Breast cancer
What is not a common histology of the salivary gland malignant tumors?
Squamous cell carcinoma
What is the most accurate diagnostic technique for salivary gland tumors?
Fine needle aspiration biopsy
Where can adenoid cystic carcinoma metastasize to?
Lung
What are the three large, paired major glands of the that make up the salivary glands?
parotid, submandibular, and sublingual glands.
Where is the parotid gland located?
superficial to and partly behind the ramus of the mandible and covers the masseter muscle. It fills the space between the ramus of the mandible and the anterior border of the sternocleidomastoid muscle.
Which are the more common histologic cell types of malignant tumors?
adenoid cystic, mucoepidermoid, and adenocarcinoma
What percentage of head and neck tumors are from the salivary glands?
3%-4%
How long do patients have development of an asymptomatic parotid mass before presentation?
4-8 months
What are presenting symptoms of a parotid mass?
localized swelling and pain, facial palsy, and rapid growth.
