TY - JOUR T1 - A Rare Cause of Pseudoarthrosis: Costal Osteochondroma on Facing Surfaces of Each Other TT - Psödoartrozun Nadir Bir Nedeni: Birbirine Bakan Yüzeylerde Kostal Ekzositoz AU - Kızıloğlu, Hüseyin Alper PY - 2024 DA - September Y2 - 2024 DO - 10.7197/cmj.1453153 JF - Cumhuriyet Medical Journal JO - CMJ PB - Sivas Cumhuriyet University WT - DergiPark SN - 1305-0028 SP - 214 EP - 216 VL - 46 IS - 3 LA - en AB - Osteochondromas are common asymptomatic lesions. The development of chondroid malignancies from cartilage caps has rarely been described. Costal osteochondromas are relatively rare lesions. The incidence of osteochondromas in flat bones is approximately less than 5% of all osteochondromas. Osteochondroma originating from two adjacent ribs and forming a joint with each other is a phenomenon described for the first time in the literature. KW - rare KW - rib KW - Osteochondroma N2 - Osteokondromlar sık görülen asemptomatik lezyonlardır. Kıkırdak keplerinden malignitelerinin gelişimi nadiren tanımlanmıştır. Kostal osteokondromlar nispeten nadir görülen lezyonlardır. Yassı kemiklerde osteokondrom görülme sıklığı tüm osteokondromların yaklaşık %5'inden azdır. Bizim vakamız, komşu iki kostadan köken alan ve birbirleriyle eklem oluşturan bir olgudur ve literatürde ilk kez tanımlanmıştır. CR - 1. WHO Classification of Tumours Editorial Board, Who Classification of Tumours Editorial. Soft Tissue and Bone Tumours. (2020) ISBN: 9789283245025 - Google Books CR - 2. Lee J, Yao L, Wirth C. MR Imaging of Solitary Osteochondromas: Report of Eight Cases. AJR Am J Roentgenol. 1987;149(3):557-60. doi:10.2214/ajr.149.3.557 – Pubmed CR - 3. Morales LC, Cardona Ortegón JD, Pinzón Valderrama BA, Jiménez Uribe AM, Mora Bendeck NG, Fierro Ávila F. Osteochondroma of the Rib: A Potentially Life-Threatening Benign Tumor. Cureus. 2023;15(9):e45449. Published 2023 Sep 18. doi:10.7759/cureus.45449 CR - 4. Tiwari C, Borkar N, Hussain N, Khubchandani N. Solitary osteochondroma of the rib: An unusual chest wall tumor in the pediatric age group. J Cancer Res Ther. 2023;19(5):1423-1425. doi:10.4103/jcrt.jcrt_679_21 CR - 5. Jilowa S, Paliwal P, Kapur A, Verma GC. Exostosis of Rib: Case Report of an Extremely Rare Giant Osteochondroma at an Unusual Site, Radiopathological Correlation with Brief Review of Literature. Indian J Radiol Imaging. 2021;31(3):740-744. Published 2021 Nov 13. doi:10.1055/s-0041-1736406 CR - 6. Lin CY, Chang CC, Chuang MT. Spontaneous Haemothorax Secondary to Rib Exostosis. Heart Lung Circ. 2017;26(8):e62-e63. doi:10.1016/j.hlc.2017.02.005 UR - https://doi.org/10.7197/cmj.1453153 L1 - https://dergipark.org.tr/en/download/article-file/3796265 ER -