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