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(→Histologic subclassification: fixi sp.) |
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| Line 225: | Line 225: | ||
*UHN. | *UHN. | ||
**Nothing. | **Nothing. | ||
==Sinonasal undifferentiated carcinoma== | |||
*Abbreviated ''SNUC'' | |||
===General=== | |||
*Very aggressive/poor prognosis. | |||
===Microscopic=== | |||
Features:<ref name=Ref_WMSP38>{{Ref WMSP|38}}</ref> | |||
*Architecture: nested, trabecular or lobular. | |||
*Distinct cellular borders. | |||
*Small-to-moderate cytoplasm. | |||
*+/-Distinct nucleoli. | |||
*Tumour cell size variable (small to large). | |||
===IHC=== | |||
Features:<ref name=Ref_WMSP38>{{Ref WMSP|38}}</ref> | |||
*Pankeratin +ve. | |||
*EMA +ve. | |||
*CK7 +ve. | |||
*CK5/6 -ve. | |||
Others: | |||
*NSE +ve/-ve. | |||
*Chromogranin A -ve. | |||
*Synaptophysin -ve. | |||
==Nasopharyngeal carcinoma== | ==Nasopharyngeal carcinoma== | ||
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