Definition: mineralized bodies occurring in the meninges, choroid plexus, and in certain meningiomas; composed usually of a central capillary surrounded by concentric whorls of meningocytes in various stages of hyaline change and mineralization; can also occur in benign and malignant epithelial tumors (such as papillary ovarian or thyroid carcinoma);
Synonym(s): corpora arenacea, under corpus
Synonym(s): sand bodies
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