Research Article
Diagnostic Value of CT Arthrography for Evaluation of Osteochondral Lesions at the Ankle
Table 3
Frequencies of osteochondral lesions on CTA and MRI.
| | | CTA () | | MRI () | | | | Talus | Tibia | Talus | Tibia | | | (% of “total”) | (% of “total”) | (% of “total”) | (% of “total”) |
| | Full thickness cartilage defect | | | | | | Total | | | | | | Fissure | (39%) | (52%) | (17%) | (20%) | | Small | (22%) | (19%) | (31%) | (35%) | | Medium | (22%) | (19%) | (33%) | (20%) | | Large | (10%) | (11%) | (8%) | (10%) | | Extensive | (7%) | (0%) | (11%) | (15%) | | Any cartilage | | | | | | Total | | | | | | Fissure | (22%) | (26%) | (0%) | (2%) | | Small | (25%) | (26%) | (20%) | (32%) | | Medium | (22%) | (24%) | (24%) | (24%) | | Large | (16%) | (13%) | (26%) | (24%) | | Extensive | (16%) | (11%) | (31%) | (17%) |
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thickness parts and full thickness parts.
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