Difference between revisions of "Talk:Peripheral nerve sheath tumours"

Talk:Peripheral nerve sheath tumours (view source)

69 bytes added , 17:26, 29 November 2010

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 ==Schwannoma==
 ===Microscopic===
-Sections show a biphasic tumour in which prominent nuclear palisades are common in the areas of dense cellularity (Antoni A).  No mitotic activity is detected.  There are degenerative changes with hemosiderin deposition focally.
+Sections show a biphasic spindle cell tumour with low cellularity areas (Antoni B) and high cellularity areas (Antoni A). In the high cellularity areas there are prominent nuclear palisades.  No mitotic activity is detected.
+There are degenerative changes with hemosiderin deposition focally.
 Focally, the tumour has a whorled appearance; however, there are no calcifications.