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| ==Bile duct adenoma== | | ==Bile duct adenoma== |
| :''Should '''not''' be confused with [[bile duct hamartoma]].'' | | :''Should '''not''' be confused with [[bile duct hamartoma]].'' |
| ===General===
| | {{Main|Bile duct adenoma}} |
| *Benign.
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| *Important as it can be misdiagnosed as cancer.
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| ===Microscopic===
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| Features:
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| *Disordered bile ducts within in a fibrotic stroma.
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| **'''No''' (yellow) bile within, as these lesions do not have a connection to the biliary tree.
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| **+/-Lymphocytic cuff.
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| Negatives:
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| *No mitotic activity.
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| *No necrosis.
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| DDx:
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| *[[Cholangiocarcinoma]].
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| *Metastatic adenocarcinoma.
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| *[[Bile duct hamartoma]] (von Meyenburg complex).
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| Image:
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| *[http://www.ganfyd.org/index.php?title=Image:Bile_duct_adenoma_low_power.jpg Bile duct adenoma (ganfyd.org)].
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| ==Hepatic adenoma== | | ==Hepatic adenoma== |