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Difference between revisions of "Pleomorphic adenoma"
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Pleomorphic adenoma (view source)
Revision as of 20:55, 10 September 2020
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not identified. Mitotic activity is not apparent. Unremarkable parotid gland and a | not identified. Mitotic activity is not apparent. Unremarkable parotid gland and a | ||
morphologically benign lymph node are present. [[Ink]] is seen on the tumour. | morphologically benign lymph node are present. [[Ink]] is seen on the tumour. | ||
====Biopsy==== | |||
The sections show a lesion with spindled (myoepithelial) cells and an epithelial component, on a background of a chondromyxoid stroma. No nuclear atypia is apparent. Mitotic activity is not identified. | |||
<pre> | |||
The tumour stains as follows: | |||
POSITIVE: CK7, S-100, SMA, GFAP (patchy). | |||
NEGATIVE: (none). | |||
PROLIFERATION (Ki-67): <2%. | |||
</pre> | |||
==See also== | ==See also== | ||