Canalicular adenoma

1. Canalicular Adenoma Panopio , Kathleen Cay M. DMD-3BB

2. Canalicular Adenoma Type of benign salivary gland tumor occurs most often in minor salivary glands. Grouped in the category of monomorphic adenoma .

3. Canalicular Adenoma Composed of columnar epithelial cells arranged in single or double layer forming branching chords.

4. Location Minor salivary glands Buccal mucosa Labial mucosa Lingual mucosa Soft Palate Lateral portion of Hard Palate Floor of the Mouth

5. Location Minor salivary glands Oropharynx Paranasal Sinonasal

6. Location Minor salivary glands Upper Lip (81%) Buccal Mucosa Palate Lower Lip MAJOR

7. Major Salivary Glands

8. CAUSE : Unknown AGE : Adult; older than 50 years old GENDER : Female

9. Clinical Features: Rounded mass Firm but movable

10. Clinical Features: Slow-growing Asymptomatic

11. Clinical Features: COLOR: normal; bluish

12. HISTOPATHOLOGY Bilayered strands of basaloids cells that branch and anastomoses within a delicate stroma Highly vascular Contains: FEW fibroblasts; LITTLE collagen

13. HISTOPATHOLOGY Individual cells= columnar with moderate to abundant amounts of eosinophilic cytoplasm

14. HISTOPATHOLOGY May not be totally encapsulated 20% cases= multifocal

15. Treatment Surgical excision (inclusion of a cuff of clinically normal tissue)

16. Prognosis Good. 20% multifocal, recurrence may occur