sand tumor

(redirected from psammomatous meningioma)
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Noun1.sand tumor - 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 ?
According to the World Health Organization (WHO) grading, WHO grade 1 consists of 45 cases (90%), among them 32 cases were of meningothelial meningioma, 5 cases of psammomatous meningioma, 3 cases of fibroblastic meningioma, 4 cases of angiomatous meningioma, and 1 case of microcystic meningioma.
Our study shows 10% cases of psammomatous meningioma whereas studies by Rohringer et al.
The featured cover image of psammomatous meningioma and the adjacent image of a pleomorphic adenoma serve to emphasize her interest in not just scholarly works, but also the artistic qualities inherent in gross and microscopic imagery.