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Canalicular AdenomaPanopio, Kathleen Cay M.DMD-3BB
Canalicular Adenoma
Type of benign salivary gland tumor occurs most often in minor salivary glands.
Grouped in the category of monomorphic adenoma.
Canalicular Adenoma
Composed of columnar epithelial cells arranged in single or double layer forming branching chords.
LocationMinor salivary glands Buccal
mucosa
Labialmucosa
Lingualmucosa
Soft Palate
Lateral portionof Hard Palate
Floor of theMouth
LocationMinor salivary glands
Oropharynx
Paranasal
Sinonasal
LocationMinor salivary glands
Upper Lip (81%)Buccal MucosaPalateLower Lip
MAJOR
Major Salivary Glands
CAUSE: Unknown
AGE: Adult; older than 50 years old
GENDER: Female
Clinical Features:Rounded massFirm but movable
Clinical Features:Slow-growingAsymptomatic
Clinical Features:COLOR: normal; bluish
HISTOPATHOLOGYBilayered strands of basaloids cells that branch and anastomoses within a delicate stroma
Highly vascular
Contains: FEW fibroblasts; LITTLE collagen
HISTOPATHOLOGY
Individual cells= columnar with moderate to abundant amounts of eosinophilic cytoplasm
HISTOPATHOLOGY
May not be totally encapsulated
20% cases= multifocal
TreatmentSurgical excision (inclusion of a cuff of clinically normal tissue)
PrognosisGood. 20% multifocal, recurrence may occur