Arthroscopic ImageIllustration
GROSS OCD LESION DESCRIPTION – CUE BALL
0 - No abnormality detectable arthroscopicallyIMMOBILE Lesion
Need image
2 - Cartilage is intact and demarcated, but not mobile or ballotable with probing. This may be seen best under low light conditions, or tangential views.
IMMOBILE LESION
Arthroscopic ImageIllustration
GROSS OCD LESION DESCRIPTION – Shadow
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3 - Cartilage is demarcated with a fissure, buckle, and/or wrinkle, but not mobile or ballotable with probing (Wrinkle in the Rug)
IMMOBILE LESION
Arthroscopic ImageIllustration
GROSS OCD LESION DESCRIPTION – Wrinkle in Rug
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Arthroscopic ImageIllustration
2 - Cartilage is intact and demarcated, but mobile or ballotable with probing
MOBILE LESION
GROSS OCD LESION DESCRIPTION – Trampoline
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Arthroscopic ImageIllustration
3 - Cartilage fissuring at periphery, but unable to hingeMOBILE LESION
GROSS OCD LESION DESCRIPTION – Locked Door
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Video ImageIllustration
3 - Cartilage fissuring at periphery, but unable to hingeMOBILE LESION
GROSS OCD LESION DESCRIPTION – Locked Door
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Arthroscopic ImageIllustration
4 - Cartilage fissuring at periphery, with intact hinge (red arrows)
GROSS OCD LESION DESCRIPTION – Trap Door
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Video ImageIllustration
4 - Cartilage fissuring at periphery, with intact hinge (red arrows)MOBILE LESION
GROSS OCD LESION DESCRIPTION – Locked Door
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Arthroscopic Image
6 - Exposed sub-chondral bone defectCongruent = fragment fits into crater without modificationsIncongruent = fragment fits into crater with modifications
GROSS OCD LESION DESCRIPTION – Crater
1 - Congruent2 - Incongruent3 - Fragmented4 - Absent
Illustration
1 - Congruent2 - Incongruent3 - Fragmented4 - Absent
Need image
Arthroscopic Image
6 - Exposed sub-chondral bone defectCongruent = fragment fits into crater without modificationsIncongruent = fragment fits into crater with modifications
LESION CLASSIFICATION – Crater
1 - Congruent2 - Incongruent3 - Fragmented4 - Absent
Illustration
1 - Congruent2 - Incongruent3 - Fragmented4 - Absent
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Arthroscopic Image
6 - Exposed sub-chondral bone defectCongruent = fragment fits into crater without modificationsIncongruent = fragment fits into crater with modifications
LESION CLASSIFICATION – Crater
1 - Congruent2 - Incongruent3 - Fragmented4 - Absent
Illustration
1 - Congruent2 - Incongruent3 - Fragmented4 - Absent
Need image Need image
Need image
Video
6 - Exposed sub-chondral bone defectCongruent = fragment fits into crater without modificationsIncongruent = fragment fits into crater with modifications
LESION CLASSIFICATION – Crater
1 - Congruent2 - Incongruent3 - Fragmented4 - Absent
Illustration
1 - Congruent2 - Incongruent3 - Fragmented4 - Absent
Need image Need image