Regression of orbital brown tumor after surgical removal of parathyroid adenoma.Felipe Martins de Oliveira, Tiago Eidy Makimoto, Nilza Maria Scalissi, Marília Martins Silveira Marone, Sérgio Setsuo MaedaArchives of endocrinology and metabolism2015Brown tumors are rare skeletal manifestations that occur in less than 2% of primary hyperparathyroidism (PHPT) cases. Even rarer is the occurrence of brown tumor of the orbit, and few cases have been… (More)