The bare bones of endometrial osseous metaplasia

•This article explains a unique clinical entity.•A thorough presentation is provided from start to completion of this patient’s clinical journey.•The work-up includes clinical history and radiologic images.•A surgical video demonstrating this distinctive finding and biopsy steps is provided to guide readers through a visual depiction of this finding and its potential management.•Final pathologic review is performed, providing a summary of the clinical story.