Canalicular adenoma

Canalicular adenoma is a rare salivary gland tumour.

General

• Exclusively oral cavity.
  • 80% of lesions on upper lip.

Microscopic

Features:

• Channels - "beading of cell".
• Mucoid/hemorrhagic stroma.

DDx:

• Basal cell adenoma.

Images

• Canalicular adenoma - low mag. (webpathology.com).
• Canalicular adenoma - high mag. (webpathology.com).

IHC

• p63 -ve.
  • Basal cell adenoma p63 +ve.

See also

• Salivary gland.