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| ==Myofibroma== | | ==Myofibroma== |
| ===General===
| | {{Main|Myofibroma}} |
| *Benign.
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| *Often < 2 years old; however, may be seen in adults.
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| *Not common.<ref name=pmid20038894>{{Cite journal | last1 = Brasileiro | first1 = BF. | last2 = Martins-Filho | first2 = PR. | last3 = Piva | first3 = MR. | last4 = da Silva | first4 = LC. | last5 = Nonaka | first5 = CF. | last6 = Miguel | first6 = MC. | title = Myofibroma of the oral cavity. A rare spindle cell neoplasm. | journal = Med Oral Patol Oral Cir Bucal | volume = 15 | issue = 4 | pages = e596-600 | month = Jul | year = 2010 | doi = | PMID = 20038894 | url= http://www.medicinaoral.com/pubmed/medoralv15_i4_p596.pdf }}</ref>
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| ===Gross===
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| *Classically (oral) locations: tongue, buccal mucosa, lip.<ref name=pmid20038894/>
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| ===Microscopic===
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| Features:<ref name=pmid20038894/>
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| *Spindle cells with:
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| **Tapering nuclei.
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| **Eosinophilic cytoplasm.
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| Note:
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| *Features overlap with [[myopericytoma]].<ref name=pmid16394283>{{cite journal |author=Dray MS, McCarthy SW, Palmer AA, ''et al.'' |title=Myopericytoma: a unifying term for a spectrum of tumours that show overlapping features with myofibroma. A review of 14 cases |journal=J. Clin. Pathol. |volume=59 |issue=1 |pages=67–73 |year=2006 |month=January |pmid=16394283 |pmc=1860256 |doi=10.1136/jcp.2005.028704 |url= }}</ref>
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| DDx:
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| *[[Neurofibroma]].
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| *[[Leiomyoma]].
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| ===IHC===
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| Features:<ref name=pmid20038894/>
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| *Vimentin +ve.
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| *SMA +ve.
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| *S-100 -ve,
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| ==Cellular angiofibroma== | | ==Cellular angiofibroma== |