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This lesion is benign and might be considered the
"fibroma" of the coverings of the central nervous system. Note the long
spindly cells grouped in whirl like clusters. On low and medium power,
you may be able to appreciate an interdigitating pattern to these groups.
You should see many curious little calcium concretions often associated
with this type of tumor; the psammoma body. These are sometimes sufficiently
numerous to be seen on X-Ray. Can you think of another tumor we have studied
this year in which these little calcium concretions were seen? Hint: think
endocrine. |
