%0 Case Reports %T Bisphosphonate-Induced Orbital Cellulitis in a Patient With Suspected Parathyroid Carcinoma: A Case Report. %A McKenna T %A McKenna DE %A Fernandes V %A Korda M %A Bradley U %J Cureus %V 16 %N 7 %D 2024 Jul %M 39087171 暂无%R 10.7759/cureus.63577 %X Bisphosphonates are widely used for a number of metabolic bone conditions. Orbital inflammation is a very rare side effect of bisphosphonate therapy that can risk permanent visual loss. We describe the complex case and successful treatment of a 79-year-old man who developed orbital cellulitis following the use of intravenous pamidronate disodium for severe hypercalcaemia. The challenges regarding the diagnosis of parathyroid carcinoma are also discussed.