“…Others such as osteoid osteomas, intraosseous lipomas, and intraosseous hemangiomas have also been reported [ [4] , [5] , [6] ]. Conversely, metastatic patellar tumors are infrequently reported, with only a few case reports, and primary sites include the lung, kidney, esophageal, malignant melanoma, colon, and head and neck cancer [ [7] , [8] , [9] , [10] , [11] ].…”