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Difference between revisions of "Peripheral nerve sheath tumours"
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Peripheral nerve sheath tumours (view source)
Revision as of 01:17, 29 September 2012
, 01:17, 29 September 2012→Perineurioma
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===General=== | ===General=== | ||
*Benign tumour derived from perineurial cells. | *Benign tumour derived from perineurial cells. | ||
Variant: | |||
*Reticular perineurioma.<ref name=pmid11257623>{{Cite journal | last1 = Graadt van Roggen | first1 = JF. | last2 = McMenamin | first2 = ME. | last3 = Belchis | first3 = DA. | last4 = Nielsen | first4 = GP. | last5 = Rosenberg | first5 = AE. | last6 = Fletcher | first6 = CD. | title = Reticular perineurioma: a distinctive variant of soft tissue perineurioma. | journal = Am J Surg Pathol | volume = 25 | issue = 4 | pages = 485-93 | month = Apr | year = 2001 | doi = | PMID = 11257623 }}</ref> | |||
===Microscopic=== | ===Microscopic=== | ||
Features:<ref name=Ref_Sternberg5_424>{{Ref Sternberg5|424}}</ref> | Features:<ref name=Ref_Sternberg5_424>{{Ref Sternberg5|424}}</ref> | ||
*Perineural epithelioid cells. | *Perineural epithelioid cells. | ||
**Abundant pale, | **Abundant pale, fluffy appearing cytoplasm. | ||
Note: | Note: | ||
| Line 118: | Line 121: | ||
*[[Schwannoma]]. | *[[Schwannoma]]. | ||
**S100 +ve, EMA -ve.<ref name=Ref_Sternberg5_424>{{Ref Sternberg5|424}}</ref> | **S100 +ve, EMA -ve.<ref name=Ref_Sternberg5_424>{{Ref Sternberg5|424}}</ref> | ||
*[[Liposarcoma]] - reticular perineurioma. | *[[Liposarcoma]] - reticular perineurioma. | ||
Images: | Images: | ||