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Ossification variants of the femoral condyles do not predispose or progress to osteochondritis dissecans

Lennart Jans (UGent) and Koenraad Verstraete (UGent)
Author
Organization
Abstract
PURPOSE: To determine if ossification variants of the femoral condyles involving the subchondral bone plate predispose or progress to osteochondritis dissecans. METHOD AND MATERIALS: (a) Follow-up MRI (magnetic resonance imaging) studies of 188 patients with ossification variants of the femoral condyles on the initial MRI of the knee were compared side by side with the baseline study for progression of the ossification variants to OCD (osteochondritis dissecans). (b) The prevalence of ossification variants of the unaffected femoral condyle in 127 patients (aged 9-14 years) with unicondylar OCD on MRI of the knee was compared to a control group of 286 patients (aged 9-14 years). The progression of the ossification variants in both groups was studied by reviewing the follow-up MR examinations side by side with the baseline study. Basic descriptive statistics were performed where appropriate. RESULTS: (a) Progression of ossification variants to osteochondritis dissecans was not seen on follow-up MR examinations. (b) The prevalence of ossification variants in the unaffected condyle in patients with OCD and in the control group was similar. In both the OCD group and in the control group, no follow-up MRI studies demonstrated progression of the ossification variants to OCD. CONCLUSION: Ossification variants of the femoral condyle involving the subchondral bone plate do not progress or predispose to osteochondritis dissecans. CLINICAL RELEVANCE/APPLICATION: Children affected with ossification variability of the femoral condyles do not require routine follow-up MR imaging since these variants do not progress or predispose to OCD.

Citation

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Chicago
Jans, Lennart, and Koenraad Verstraete. 2011. “Ossification Variants of the Femoral Condyles Do Not Predispose or Progress to Osteochondritis Dissecans.” In Radiological Society of North America, 97th Scientific Assembly and Annual Meeting, Abstracts.
APA
Jans, L., & Verstraete, K. (2011). Ossification variants of the femoral condyles do not predispose or progress to osteochondritis dissecans. Radiological Society of North America, 97th Scientific assembly and annual meeting, Abstracts. Presented at the 97th Scientific assembly and annual meeting of the Radiological Society of North America (RSNA 2011).
Vancouver
1.
Jans L, Verstraete K. Ossification variants of the femoral condyles do not predispose or progress to osteochondritis dissecans. Radiological Society of North America, 97th Scientific assembly and annual meeting, Abstracts. 2011.
MLA
Jans, Lennart, and Koenraad Verstraete. “Ossification Variants of the Femoral Condyles Do Not Predispose or Progress to Osteochondritis Dissecans.” Radiological Society of North America, 97th Scientific Assembly and Annual Meeting, Abstracts. 2011. Print.
@inproceedings{2019190,
  abstract     = {PURPOSE: To determine if ossification variants of the femoral condyles involving the subchondral bone plate predispose or progress to osteochondritis dissecans.
METHOD AND MATERIALS: (a) Follow-up MRI (magnetic resonance imaging) studies of 188 patients with ossification variants of the femoral condyles on the initial MRI of the knee were compared side by side with the baseline study for progression of the ossification variants to OCD (osteochondritis dissecans). (b) The prevalence of ossification variants of the unaffected femoral condyle in 127 patients (aged 9-14 years) with unicondylar OCD on MRI of the knee was compared to a control group of 286 patients (aged 9-14 years). The progression of the ossification variants in both groups was studied by reviewing the follow-up MR examinations side by side with the baseline study. Basic descriptive statistics were performed where appropriate.
RESULTS: (a) Progression of ossification variants to osteochondritis dissecans was not seen on follow-up MR examinations. (b) The prevalence of ossification variants in the unaffected condyle in patients with OCD and in the control group was similar. In both the OCD group and in the control group, no follow-up MRI studies demonstrated progression of the ossification variants to OCD.
CONCLUSION: Ossification variants of the femoral condyle involving the subchondral bone plate do not progress or predispose to osteochondritis dissecans.
CLINICAL RELEVANCE/APPLICATION: Children affected with ossification variability of the femoral condyles do not require routine follow-up MR imaging since these variants do not progress or predispose to OCD.},
  articleno    = {abstract LL-PDS-TH2A},
  author       = {Jans, Lennart and Verstraete, Koenraad},
  booktitle    = {Radiological Society of North America, 97th Scientific assembly and annual meeting, Abstracts},
  language     = {eng},
  location     = {Chicago, IL, USA},
  title        = {Ossification variants of the femoral condyles do not predispose or progress to osteochondritis dissecans},
  year         = {2011},
}