Endocrine Abstracts

Introduction: Brown tumor–well circumscribed lytic lesion is one of the complication of advanced stage of primary and secondary hyperparathyroidism. It may be also a first clinical sign of primary hyperparathyroidism. Nowadays this is rare manifestation in developed countries due to increased use of routine screening laboratory examinations. Brown tumors may also mimic true neoplasm and lead to misdiagnosis if close attention is not paid. We present three case reports and...