Psammomatous

Psammoma Bodies: Definition

Psammoma bodies are tiny, rounded structures often found within certain types of tumours. Under a microscope, they appear as small, layered (concentric) deposits made up of calcium and proteins, resembling the layers of an onion. The name “psammoma” comes from the Greek word “psammos”, meaning “sand,” because of their sand-like appearance under the microscope, and …
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Your pathology report for meningioma

A meningioma is a type of brain tumor that starts from cells in the meninges, the thin layers of tissue that cover and protect the brain and spinal cord. More specifically, meningiomas are thought to arise from meningothelial cells in the arachnoid mater, one of the protective layers. Most meningiomas are benign (non-cancerous) and grow …
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