Week 12 Flashcards
Salivary glands are of ___origin
Ectoderm
Most salivary gland diseases affect or arise from_____ components
The Ductal and secretory
Salivary glands penetrate the submucosa as ___
tubular invaginations
salivary glands differentiate into___
End bulbs
The cells of salivary glands are ___
Acinar (secretory) cells and surrounded by contractile myoepithelial cells
What is the primary function of acinar cells?
Secretory
What are the three Mucous Retention Lesions?
• Mucocele
• Ranula
• Mucous Retention Cyst
How do most reactive lesions happen in salivary glands?
• Injury or obstruction to ducts
• Duct blockage or severance leads to pooling of saliva in the tissue
• Can lead to mild, chronic inflammation and fibrosis or sclerosis
Mucocele
Ranula
Ranula
Mucous retention cyst
Definition
Where they occur
Usually found in people___
Which is more common this mucoceles?
Symptoms?
Treatment?
Sialolithiasis
Sialolithiasis
Sialolithiasis
Sialadenitis
Sialadenitis
Sialadenitis
Salivary Gland Tumors Arise from
epithelium of the glands or from connective tissue supporting the gland
What percentages of salivary glands are tumors occur in major and minor glands?
70% major
30% minor
Benign salivary gland tumors/lesions called______and malignant lesions are termed___
“adenoma” since originated in a gland; “adenocarcinoma”
What salivary gland account for the most incidence of malignant tumors?
Clinical and microscopic features of benign and malignant salivary glands tumors
Pleomorphic adenoma