OMICS International https://www.omicsonline.org/ OMICS International is a scientific organization that drives the progress of research through open access journals and organizes international conferences, The best in science news, commentary, and research. https://www.omicsonline.org/ArchiveJOO/currentissue-orthopedic-oncology.php Journal of Orthopedic Oncology Volume 3, Issue 3 https://www.omicsonline.org/open-access/giant-cell-tumor-in-a-patient-with-osteopetrosis-a-case-report-2472-016X-1000122.php?aid=94033 Giant Cell Tumor in a Patient with Osteopetrosis A Case Report Andalib A, Rahimian A https://www.omicsonline.org/open-access/patellar-capillary-hemangioma-in-a-child--is-patellectomy-necessary-2472-016X-1000121.php?aid=94032 Patellar Capillary Hemangioma in a Child Is Patellectomy Necessary Zyman J, Gellman YN, Doviner V, Goldman V, Pansky A, Simanovsky N, Lamdan R https://www.omicsonline.org/open-access/spontaneous-conventional-osteosarcoma-transformation-of-achondroblastoma-first-ever-case-report-and-literature-review-2472-016X-1000120.php?aid=94031 Spontaneous Conventional Osteosarcoma Transformation of aChondroblastoma First Ever Case Report and Literature Review Prashant N, Amber H, Azuhairy A, Serene L, Chin Heng F, Vivek Ajit S, Zulkiflee O