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Noun1.psammoma - a tumor derived from fibrous tissue of the meninges or choroid plexus or certain other structures associated with the brain; characterized by sandlike particles
neoplasm, tumor, tumour - an abnormal new mass of tissue that serves no purpose
References in periodicals archive ?
presence of punctate microcalcification correspond to psammomas bodies on microscopy ill-defined margins
Psammoma body microcalcifications are specific to papillary thyroid cancer (10-11).