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Báo cáo y học: " Brown tumor of the maxillary sinus in a patient with primary hyperparathyroidism: a case report"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Brown tumor of the maxillary sinus in a patient with primary hyperparathyroidism: a case report | JOURNAL OF MEDICAL Sr CASE REPORTS Open Access Case report Brown tumor of the maxillary sinus in a patient with primary hyperparathyroidism a case report Efklidis Proimos1 Theognosia S Chimona1 Dimetrio Tamiolakis2 Michalis G Tzanakakis1 and Chariton E Papadakis1 Addresses 1ENT Department Chania General Hospital Chania Crete Greece 2Department of Cytopathology Chania General Hospital Chania Crete Greece Email EP - efklidispr@hotmail.com TSC - chimonath@yahoo.gr DT - cyto@chaniahospital.gr MGT - tzanakakismichalis@yahoo.gr CEP - cepap@otenet.gr Corresponding author Received 6 March 2008 Accepted 22 January 2009 Published 6 July 2009 Journal of Medical Case Reports 2009 3 7495 doi 10.4076 1752-1947-3-7495 This article is available from http jmedicalcasereports.com jmedicalcasereports article view 7495 2009 Proimos et al licensee Cases Network Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http creativecommons.org licenses by 3.0 which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Introduction Brown tumors are rare focal giant-cell lesions that arise as a direct result of the effect of parathyroid hormone on bone tissue in some patients with hyperparathyroidism. Brown tumors can affect the mandible maxilla clavicle ribs and pelvic bones. Therefore diagnosis requires a systemic investigation for lesion differentiation. Case presentation We present a 42-year-old Greek woman with a rare case of brown tumor of the maxillary sinus due to primary hyperparathyroidism. Primary hyperparathyroidism is caused by a solitary adenoma in 80 of cases and by glandular hyperplasia in 20 . Conclusions Differential diagnosis is important for the right treatment choice. It should exclude other giant cell lesions that affect the maxillae. Introduction Brown tumors are rare sequelae of hyperparathyroidism. The lesions localize in areas of intense bone .