Difference between revisions of "Biphenotypic sinonasal sarcoma"
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Revision as of 16:05, 13 March 2016
Biphenotypic sinonasal sarcoma is a rare bland appearing malignant tumour of the head and neck.
It is also known as low grade sinonasla sarcoma with neural and myogenic features, abbreviated LGSSNMF.
General
- Rare.
- Female predominant.
Microscopic
Features;
- Bland hypercellular stroma typically without many mitoses.
- Invaginating glandular epithelium.
DDx:
IHC
- Actin +ve.
- S-100 +ve (strong).