48,830
edits
(→Perineurioma: more refs) |
m (→Microscopic) |
||
Line 257: | Line 257: | ||
*Nuclear atypia. | *Nuclear atypia. | ||
*Mitoses. | *Mitoses. | ||
*+/-Herring bone pattern. | |||
Notes: | |||
*May be diagnosed in a poorly diff. tumour if patient has [[NF1]]. | |||
DDx: | DDx: | ||
Line 262: | Line 266: | ||
*Plexiform schwannoma. | *Plexiform schwannoma. | ||
DDx of herring bone: | |||
*MPNST. | |||
*[[Synovial sarcoma]]. | |||
*[[Fibrosarcoma]]. | |||
Images: | |||
*[http://commons.wikimedia.org/wiki/File:Malignant_peripheral_nerve_sheath_tumour_-_intermed_mag.jpg MPNST - intermed. mag. (WC)]. | *[http://commons.wikimedia.org/wiki/File:Malignant_peripheral_nerve_sheath_tumour_-_intermed_mag.jpg MPNST - intermed. mag. (WC)]. | ||
*[http://commons.wikimedia.org/wiki/File:Malignant_peripheral_nerve_sheath_tumour_-_high_mag.jpg MPNST - high mag. (WC)]. | *[http://commons.wikimedia.org/wiki/File:Malignant_peripheral_nerve_sheath_tumour_-_high_mag.jpg MPNST - high mag. (WC)]. | ||
*[http://path.upmc.edu/cases/case112/micro.html MPNST - several images (upmc.edu)]. | |||
====Grading==== | ====Grading==== |
edits