Lesion Size Measured on MRI Does Not Accurately Reflect Arthroscopic Measurement in Talar Osteochondral Lesions.
ankle
arthroscopy
articular cartilage
defect size
magnetic resonance imaging
osteochondral lesions of the talus
Journal
Orthopaedic journal of sports medicine
ISSN: 2325-9671
Titre abrégé: Orthop J Sports Med
Pays: United States
ID NLM: 101620522
Informations de publication
Date de publication:
Feb 2019
Feb 2019
Historique:
entrez:
26
2
2019
pubmed:
26
2
2019
medline:
26
2
2019
Statut:
epublish
Résumé
Lesion size is a major determinant of treatment strategy for osteochondral lesions of the talus (OLTs). Although magnetic resonance imaging (MRI) is commonly used in the preoperative evaluation of OLTs, the reliability of the MRI measurement compared with the arthroscopic measurement is unknown. To compare preoperative lesion size measured on MRI versus intraoperative lesion size measured during arthroscopy. Cohort study (diagnosis); Level of evidence, 2. We retrospectively reviewed a consecutive series of patients treated with bone marrow stimulation for OLTs. The diameter of the lesion was measured at its widest point in 2 planes, and MRI measurements were compared with those made during arthroscopy using a custom-made graduated probe. A total of 39 patients with 45 OLTs were analyzed. Mean ± SD area measurements on MRI were significantly greater than the equivalent arthroscopic measurements (42.2 ± 30.5 vs 28.6 ± 23.1 mm In a majority of lesions, MRI overestimated OLT area and diameter compared with arthroscopy. Surgeons should be aware of the discrepancies that can exist between MRI and arthroscopic measurements, as these data are important in making treatment decisions and educating patients.
Sections du résumé
BACKGROUND
BACKGROUND
Lesion size is a major determinant of treatment strategy for osteochondral lesions of the talus (OLTs). Although magnetic resonance imaging (MRI) is commonly used in the preoperative evaluation of OLTs, the reliability of the MRI measurement compared with the arthroscopic measurement is unknown.
PURPOSE
OBJECTIVE
To compare preoperative lesion size measured on MRI versus intraoperative lesion size measured during arthroscopy.
STUDY DESIGN
METHODS
Cohort study (diagnosis); Level of evidence, 2.
METHODS
METHODS
We retrospectively reviewed a consecutive series of patients treated with bone marrow stimulation for OLTs. The diameter of the lesion was measured at its widest point in 2 planes, and MRI measurements were compared with those made during arthroscopy using a custom-made graduated probe.
RESULTS
RESULTS
A total of 39 patients with 45 OLTs were analyzed. Mean ± SD area measurements on MRI were significantly greater than the equivalent arthroscopic measurements (42.2 ± 30.5 vs 28.6 ± 23.1 mm
CONCLUSION
CONCLUSIONS
In a majority of lesions, MRI overestimated OLT area and diameter compared with arthroscopy. Surgeons should be aware of the discrepancies that can exist between MRI and arthroscopic measurements, as these data are important in making treatment decisions and educating patients.
Identifiants
pubmed: 30800691
doi: 10.1177/2325967118825261
pii: 10.1177_2325967118825261
pmc: PMC6378450
doi:
Types de publication
Journal Article
Langues
eng
Pagination
2325967118825261Déclaration de conflit d'intérêts
One or more of the authors has declared the following potential conflict of interest or source of funding: J.G.K. is a consultant for Arteriocyte and has received research support from the Ohnell Family Foundation, Mr. and Mrs. Michael J Levitt, and Arteriocyte. AOSSM checks author disclosures against the Open Payments Database (OPD). AOSSM has not conducted an independent investigation on the OPD and disclaims any liability or responsibility relating thereto.
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