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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 17:05, 1 September 2011
, 17:05, 1 September 2011→Microscopic
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===Microscopic=== | ===Microscopic=== | ||
Features: | Features: | ||
*Spindle cells with wavy nuclei without pleomorphism - '''key feature'''. | |||
*Spindle cells with wavy nuclei without pleomorphism. | |||
*May be arranged in fascicles intermixed and with collagen. | *May be arranged in fascicles intermixed and with collagen. | ||
**Often no pattern is apparent. | |||
*Moderate increase of cellularity vis-a-vis normal dermis. (???) | |||
*May be poorly or well-circumscribed. | |||
*+/-Plexiform growth pattern - "bag of worms".<ref name=pmid17893219/> | *+/-Plexiform growth pattern - "bag of worms".<ref name=pmid17893219/> | ||