Review ArticlesConventional Cartilaginous Tumors Evaluation and TreatmentWells, Matthew E. DO1,2; Eckhoff, Michael D. MD1,2; Kafchinski, Lisa A. MD3; Polfer, Elizabeth M. MD1,4; Potter, Benjamin K. MD4 Author Information 1William Beaumont Army Medical Center, El Paso, Texas 2Texas Tech University Health Sciences Center of El Paso, El Paso, Texas 3University of Alabama at Birmingham, Birmingham, Alabama 4Uniformed Services University of the Health Sciences, Bethesda, Maryland Investigation performed at William Beaumont Army Medical Center, El Paso, Texas Disclosure: The authors indicated that no external funding was received for any aspect of this work. The Disclosure of Potential Conflicts of Interest forms are provided with the online version of the article (https://links.lww.com/JBJSREV/A691). Disclaimer: The opinions and/or assertions contained herein are the private views of the authors and are not the be construed as reflecting the official position or views of the Department of the Army, the Department of Defense, or the U.S. Government. JBJS Reviews: May 2021 - Volume 9 - Issue 5 - e20.00159 doi: 10.2106/JBJS.RVW.20.00159 Buy Metrics Abstract » Enchondromas are benign cartilaginous lesions that rarely require surgical intervention. » Atypical cartilaginous tumors (ACTs), also referred to as grade-1 chondrosarcomas, may be managed without any intervention or with extended intralesional curettage and bone-void filling. » High-grade chondrosarcomas, or grade-2 and 3 chondrosarcomas, should be managed aggressively with wide resection. » Chemotherapy and radiation do not currently play a role in the treatment of chondrosarcomas. » Differentiating an enchondroma from an ACT and an ACT from a high-grade chondrosarcoma can be difficult and requires clinical experience, radiographic and advanced imaging, and possibly a biopsy. Ultimately, a multidisciplinary team that includes a musculoskeletal oncologist, a radiologist, and a pathologist is needed to make the most appropriate diagnosis and treatment plan for each patient. Written work prepared by employees of the Federal Government as part of their official duties is, under the United States Copyright Act, a ‘work of the United States Government’ for which copyright protection under that Act is not available. As such, copyright protection does not extend to the contributions of employees of the Federal Government prepared as part of their employment.