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*Intraneural perineurioma: segmental tubular enlargement of the nerve. | *Intraneural perineurioma: segmental tubular enlargement of the nerve. | ||
*Soft tissue perineurioma: Well circumscribed, but not encapsulated. | *Soft tissue perineurioma: Well circumscribed, but not encapsulated. | ||
*Sclerosing perineurioma: Predilection for hands.<ref name="pmid9414186">{{cite journal |authors=Fetsch JF, Miettinen M |title=Sclerosing perineurioma: a clinicopathologic study of 19 cases of a distinctive soft tissue lesion with a predilection for the fingers and palms of young adults |journal=Am. J. Surg. Pathol. |volume=21 |issue=12 |pages=1433–42 |date=December 1997 |pmid=9414186 |doi=10.1097/00000478-199712000-00005 |url=}}</ref> | |||
==Microscopic== | ==Microscopic== | ||
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*EMA +ve. | *EMA +ve. | ||
*CD34 ~65% +ve.<ref name=pmid15958848/> | *CD34 ~65% +ve.<ref name=pmid15958848/> | ||
==Molecular== | |||
*Frequent TRAF7 mut.<ref name="pmid28019650">{{cite journal |authors=Klein CJ, Wu Y, Jentoft ME, Mer G, Spinner RJ, Dyck PJ, Dyck PJ, Mauermann ML |title=Genomic analysis reveals frequent TRAF7 mutations in intraneural perineuriomas |journal=Ann. Neurol. |volume=81 |issue=2 |pages=316–321 |date=February 2017 |pmid=28019650 |pmc=5725965 |doi=10.1002/ana.24854 |url=}}</ref> | |||
==See also== | ==See also== |
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