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General and Systemic Histopathology, C601&C602
     
    Slide 38: Meningioma
     
     
    Be sure you identify the dura itself in this slide.  Then look to the tumor.  Even in this magnification we can see clusters of whirls of the tumor cells and if you have really good eyes you might be able to detect the pink "sand" of the psammoma bodies.

    See this slide with the virtual microscope.

    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.


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