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  • Title: A case of primary meningioma of the frontal sinus.
    Author: Brunori A, Scarano P, Colacecchi R, Chiappetta F.
    Journal: Neurochirurgie; 1999 Nov; 45(4):307-11. PubMed ID: 10599059.
    Abstract:
    A case of right frontal sinus tumor which at histology turned out to be a psammomatous meningioma is reported. The occurrence of primary meningiomas within the paranasal sinuses is rare and probably related to the transformation of embryonic arachnoid cell remnants or ectopic meningocytes derived from pluripotential mesenchymal cells. A search of the literature disclosed 30 further cases of meningiomas primarily involving the paranasal sinuses: a short analysis of the latters is presented and some of the distinctive features of these unusual tumors, as compared to their intracranial counterpart, are emphasized.
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