Meningioma – intracranial
EtiologyMeningiomas are tumors that arise from the thin membranous layer surrounding the central nervous system called the meninges. Specifically meningiomas arise from the arachnoid "cap" cells of the arachnoid villi in the meninges. Meningiomas are the... Read More
Meningioma – orbital
EtiologyMeningiomas are tumors that arise from the thin membranous layer surrounding the central nervous system called the meninges. Specifically, primary orbital optic nerve meningiomas arise from the cap cells of the arachnoid surrounding the intra-orbital portion... Read More
Meningioma – spinal
EtiologyMeningiomas are tumors that arise from the thin membranous layer surrounding the central nervous system called the meninges. Specifically meningiomas arise from the arachnoid "cap" cells of the arachnoid villi in the meninges. Meningiomas tend to... Read More
Occipital Dysplasia
EtiologyOccipital dysplasia is a congenital abnormality of the formation of the occipital bones of the cranium. The most common manifestation of this condition is an underdeveloped occipital bone leading to a dorsoventrally enlarged ("keyhole shaped") foramen magnum.... Read More