Difference between revisions of "Talk:Peripheral nerve sheath tumours"
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==Schwannoma== | ==Schwannoma== | ||
===Microscopic=== | ===Microscopic=== | ||
Sections show a biphasic tumour | 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. | Focally, the tumour has a whorled appearance; however, there are no calcifications. | ||
Latest revision as of 17:26, 29 November 2010
Schwannoma
Microscopic
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.
Diagnosis
SPINE, INTRADURAL:
- SCHWANNOMA.