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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 04:54, 4 October 2011
, 04:54, 4 October 2011→Microscopic
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**Pauci-cellular. | **Pauci-cellular. | ||
**Loose microcystic tissue. | **Loose microcystic tissue. | ||
*Verocay bodies - paucinuclear area surrounded by nuclei. | *Verocay bodies - paucinuclear area surrounded by nuclei - '''diagnostic feature'''. | ||
*Hyaline thickened [[blood vessel]]s. | *Hyaline thickened [[blood vessel]]s. | ||
*Thick capsule. | |||
*In the GI tract: classically have a ''peripheral lymphoid cuff''.<ref name=pmid15728600>{{cite journal |author=Levy AD, Quiles AM, Miettinen M, Sobin LH |title=Gastrointestinal schwannomas: CT features with clinicopathologic correlation |journal=AJR Am J Roentgenol |volume=184 |issue=3 |pages=797–802 |year=2005 |month=March |pmid=15728600 |doi= |url=http://www.ajronline.org/cgi/content/full/184/3/797}}</ref> | *In the GI tract: classically have a ''peripheral lymphoid cuff''.<ref name=pmid15728600>{{cite journal |author=Levy AD, Quiles AM, Miettinen M, Sobin LH |title=Gastrointestinal schwannomas: CT features with clinicopathologic correlation |journal=AJR Am J Roentgenol |volume=184 |issue=3 |pages=797–802 |year=2005 |month=March |pmid=15728600 |doi= |url=http://www.ajronline.org/cgi/content/full/184/3/797}}</ref> | ||
*+/-Hemosiderin deposition within tumour. | |||
Notes: | Notes: | ||
*Tumour does ''not'' smear well.<ref>MUN. 24 November 2010.</ref> | *Tumour does ''not'' smear well.<ref>MUN. 24 November 2010.</ref> | ||
*Antoni A: may look somewhat like scattered matchsticks. | *Antoni A: may look somewhat like scattered matchsticks. | ||
DDx: | DDx: | ||