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However, brown tumor should also be included in the differential diagnosis. Brown tumor is a rare benign lesions in skeletal system, encountered in patients with uncontrolled primary or secondary hyperparathyroidism. In our case report, we present a 35-year-old female with multifocal brown tumor that difficultiy in differential diagnosis of metastasis of malignant parathyroid. Additionally, the treatment and follow up after parathyroidectomy are also emphasized.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>The SCARE 2020 Guideline [1].<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Highlights<\/jats:title>\n                  <\/jats:sec>","DOI":"10.1016\/j.ijscr.2021.01.002","type":"journal-article","created":{"date-parts":[[2021,1,18]],"date-time":"2021-01-18T03:10:55Z","timestamp":1610939455000},"page":"375-378","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":10,"title":["Multiple brown tumors with primary hyperparathyroidism mimicking bone metastases [1]"],"prefix":"10.1097","volume":"79","author":[{"given":"Quy X.","family":"Ngo","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Duy Q.","family":"Ngo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Toan D.","family":"Tran","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Duong T.","family":"Le","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Giap N.","family":"Hoang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Quang V.","family":"Le","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","reference":[{"key":"R2-84-20260114","doi-asserted-by":"crossref","first-page":"46","DOI":"10.1159\/000444703","article-title":"Brown tumors: a case report and review of the literature","volume":"6","author":"Can","year":"2016","journal-title":"Case Rep. 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