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| ==Canalicular adenoma== | | ==Canalicular adenoma== |
| ===General===
| | {{Main|Canalicular adenoma}} |
| *Exclusively oral cavity.
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| **80% of lesions on upper lip.
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| ===Microscopic===
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| Features:
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| *Channels - "beading of cell".
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| *Mucoid/hemorrhagic stroma.
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| DDx:
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| *Basal cell adenoma.
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| Images:
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| *[http://www.webpathology.com/image.asp?n=1&Case=116 Canalicular adenoma - low mag. (webpathology.com)].
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| *[http://www.webpathology.com/image.asp?case=116&n=2 Canalicular adenoma - high mag. (webpathology.com)].
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| ===IHC===
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| *p63 -ve.
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| **Basal cell adenoma p63 +ve.
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| ==Warthin tumour== | | ==Warthin tumour== |