Intraosseous hibernoma in a patient with vaginal cancer: Case report with radiologic and pathologic correlation

•Intraosseous hibernomas are rare benign soft tissue tumors most often diagnosed incidentally.•Intraosseous hibernoma imaging characteristics can mimic bone metastases, including sclerosis, PET-avidity, and heterogenous enhancement.•Bone metastases seconadary to primary gynecologic cancers are rare, but present in 1 - 16% of cases.•Appropriate recognition of this rare benign finding dramatically change staging and management.