title: Osteonecrosis of the lateral femoral condyle following anterior cruciate ligament reconstruction: is bone bruising a risk factor?
abstract: Osteonecrosis of the knee is extremely rare following anterior cruciate ligament (ACL) reconstruction surgery. We report a case of osteonecrosis of the lateral femoral condyle in a patient after ACL reconstruction. The osteonecrotic lesion occurred in the same area as a large bone bruise, which was sustained at the time of the initial injury. We hypothesize that the combination of bone bruising and femoral tunnel drilling for ACL reconstruction may have compromised the overall vascularity of the articular cartilage and the subchondral bone, thereby resulting in osteonecrosis.
authors.affiliation: Department of Orthopedic Surgery, Ilsan Paik Hospital, Inje University, 2240 Daehwa-dong, Ilsanseogu, Koyangsi, Ilsan, Goyang, South Korea.
authors.forename: Pritom Mohan
authors.initials: PM
authors.lastname: Shenoy
authors.forename: Gautam M
authors.initials: GM
authors.lastname: Shetty
authors.forename: Dong Hwan
authors.initials: DH
authors.lastname: Kim
authors.forename: Kook Hyun
authors.initials: KH
authors.lastname: Wang
authors.forename: Jun Young
authors.initials: JY
authors.lastname: Choi
authors.forename: Kyung Wook
authors.initials: KW
authors.lastname: Nha
mesh_terms: D016118:Anterior Cruciate Ligament / Q000601:surgery*; D005269:Femur / Q000293:injuries*; D006801:Humans; D007717:Knee / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D010020:Osteonecrosis / Q000209:etiology*; D011183:Postoperative Complications; D011859:Radiography; D019651:Plastic Surgery Procedures; D012307:Risk Factors