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Meningeal Tumors: Meningioma

by Carlo Raj, MD
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    At this juncture, we’re moving onto a different classification. A different classification of primary CNS tumors. Up until now, we have completed officially our discussion of neuroepithelial tumors. Under meningeal tumor, we’ll begin by looking at meningioma. You want to keep your meninges separate from the brain parenchyma, please. Anatomically, physiologically, pathologically for every reason possible. So therefore, with that said, arises from the meningoepithelial cells or meningothelial cells of the arachnoid. Think about where you are now. Now, the growth, vast majority are benign. Whenever you say the word benign, it all depends on the behavior of the benign tumor. Now if someone says that basal cell carcinoma is benign, basal cell carcinoma, benign skin cancer, extremely common. Benign, but my goodness if it’s locally aggressive, could you imagine if this tumor was on the nasal region? And then all of a sudden, it starts growing locally, it will completely disfigure the face. My point is, just because something is benign, it doesn’t mean that you are able to ignore it or neglect it. Because this is a benign tumor, and what’s going to happen? You have this tumor that’s growing, growing, growing in the meningeal region. What’s adjacent to it? The freakin’ brain, come on. So therefore, be careful. You want to memorize chromosome 22. Slow growing lesion and that’s the part that’s dangerous, huh? Because your patient has no clue that this is occurring. Asymptomatic, which is really scary, really scary. And by the time the patient is going to present to you with this slow growing, benign tumor, could you imagine as to how big this tumor would be by the time presentation is taking place? Slow growing lesion that presents either with vague, non-localized type of symptom. Or, well, it depends on the growth and...

    About the Lecture

    The lecture Meningeal Tumors: Meningioma by Carlo Raj, MD is from the course Tumors of the CNS.


    Author of lecture Meningeal Tumors: Meningioma

     Carlo Raj, MD

    Carlo Raj, MD


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