KORNELIUS EDYPAN-FU KAOYI-SUN YANG2026-10-162026-10-162020-12-01Pure ID: 15343878Pure UUID: 85b89723-1803-410c-b535-9f539aa89b5e10.6314/JIMT.202012_31(6).08https://www.scopus.com/pages/publications/85102334368https://scholars.csmu.edu.tw/handle/123456789/22806We report a case of a 38-year-old patient with ankylosing spondylitis who presented with asymptomatic hypercalcemia due to a retroclavicular parathyroid adenoma. Because of the rare location of the parathyroid adenoma, we reviewed 2 similar cases in the literature and further image discussion.6enjournal article