48,847
edits
Difference between revisions of "Neuropathology tumours"
Jump to navigation
Jump to search
m
Neuropathology tumours (view source)
Revision as of 05:11, 29 November 2010
, 05:11, 29 November 2010→Classic ependymoma: wikify
m (→Classic ependymoma: wikify) |
|||
| Line 379: | Line 379: | ||
*Cells have a "tadpole-like" morphology. | *Cells have a "tadpole-like" morphology. | ||
**May also be described as ''ice cream cone-shaped''.<ref>[http://www.pathology.vcu.edu/WirSelfInst/tumor-2.html http://www.pathology.vcu.edu/WirSelfInst/tumor-2.html]</ref> | **May also be described as ''ice cream cone-shaped''.<ref>[http://www.pathology.vcu.edu/WirSelfInst/tumor-2.html http://www.pathology.vcu.edu/WirSelfInst/tumor-2.html]</ref> | ||
* | *[[Rosette]]s - cells arranged in a pseudoglandular fashion. | ||
*"Nucleus free zones" - cells arranged around a blood vessel (perivascular pseudorosettes); nuclei of cells distant from the blood vessel, i.e. a rim of cytoplasm (from tumour cells) surrounds the blood vessel. | *"Nucleus free zones" - cells arranged around a blood vessel (perivascular pseudorosettes); nuclei of cells distant from the blood vessel, i.e. a rim of cytoplasm (from tumour cells) surrounds the blood vessel. | ||
''Perivascular pseudorosettes'' = (tumour) cells arranged around a blood vessel; nuclei of cells distant from the blood vessel, i.e. rim of cytoplasm (from tumour cells) surround blood vessel (nucleus-free zone) | ''Perivascular pseudorosettes'' = (tumour) cells arranged around a blood vessel; nuclei of cells distant from the blood vessel, i.e. rim of cytoplasm (from tumour cells) surround blood vessel (nucleus-free zone) | ||