Parotid Swellings II

1
Parotid Swellings II

• Furrat Amen

2
Neoplasms

• Epithelial
• Non epithelial

3
Epithelial Tumours

• A Adenomas
• B Mucoepidermoid Tumour
• C Acinic cell tumour
• D Carcinoma

4
B Mucoepidermoid tumours

• Epidermoid cells and mucus secreting cells
• Slow growing
• limited local invasion
• Occ. Lymph node mets
• (some rapid growth and aggressive)
• Hard
• Uncommon VII paralysis

5
C Acinic cell tumour

• Cells - like serous acini
• Womengtmen
• Invasive
• Slow growing
• soft

6
D Carcinoma

• Adenoid cystic carcinoma
• Adenocarcinoma
• Epidermoid carcinoma
• Undifferentiated carcinoma
• Carcinoma in pleomorphic adenoma

7
Adenoid cystic carcinoma

• Myoepithelial cells
• Duct epithelium cells
• Slow
• Pain/anaesthesia/paralysis
• Poor long term prognosis
• Perineural invasion
• Hard and fixed

8
Other carcinomas

• Adenocarcinoma
• Epidermoid carcinoma
• Undifferentiated carcinoma
• Signs of malignancy
• Fixity
• Pain
• Bone resorption
• VII irritability, later Paralysis VII
• Dec. mandibular movement

9
Treatment