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The Finochietto Sign as a Pathognomonic Finding of Ramp Lesion of the Medial Meniscus.

ABSTRACT: Ramp lesions are considered hidden injuries of the medial meniscus and are very difficult to diagnose. The Finochietto jump sign is a very specific finding that could be considered pathognomonic regarding ramp lesions. This sign consists of a sudden jerk that appears when the free edge of the posterior horn of the medial meniscus is dislocated anteriorly due to the medial condyle interposition when an anterior drawer test is performed on a knee with a ramp lesion, especially when it is associated with an anterior cruciate ligament tear. In this technical note, the Finochietto sign is described clinically, is correlated with its exploration under anesthesia, and is described for the first time under arthroscopic examination in the case of a ramp lesion, in which this finding can help to the diagnosis when present, especially when associated with anterior cruciate ligament tears.

SUBMITTER: Espejo-Baena A

PROVIDER: S-EPMC7189623 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Technique for Medial Meniscus Ramp Repair: An Anatomic Approach.

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Percutaneous Partial Outside-In Release of Medial Collateral Ligament for Arthroscopic Medial Meniscus Surgery With Tight Medial Compartment by Finding a "Magic Point".

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| S-EPMC8355508 | biostudies-literature

Increased Intra-Articular Internal Tibial Rotation Is Associated With Unstable Medial Meniscus Ramp Lesions in ACL-Injured Athletes: An MRI Matched-Pair Comparative Study.

Project description:PurposeTo analyze internal tibial rotation through magnetic resonance imaging (MRI) of patients with anterior cruciate ligament (ACL) injuries with and without an unstable medial meniscal ramp lesion (MMRL).MethodsRetrospective analysis of prospectively data was performed to include all consecutive patients who underwent primary ACL reconstruction (ACLR) between January 2022 and June 2022. Two groups, ACLR + unstable MMRL and ACLR without MMRL, were constituted. Propensity score matching analysis was used to limit selection bias. The angle between surgical epicondylar axes (SEAs) and the tangent line of the posterior tibial condyles (PTCs) was measured to analyze the rotational alignment between distal femur and proximal tibia. MMRLs were defined unstable if they were ≥1 cm, if the lesions extend beyond the lower pole of the femoral condyle, and/or if there was displacement into the medial compartment by anterior probing.ResultsTwenty-eight propensity-matched pairs were included. The ACLR + unstable MMRL presented a significantly greater internal rotation of the tibia compared to ACLR without MMRL (P < .001). An internal tibial rotation was associated with unstable ramp lesions in ACL-injured patients (odds ratio [OR], 0.36; 95% CI, 0.25-0.41; P < .0001). If SEA-PTC was 0°, the sensitivity and specificity of the SEA-PTC angle to detect unstable MMRL were respectively 100% (95% CI, 85%-100%) and 18% (95% CI, 8%-36%). Otherwise, if SEA-PTC angle was -10°, the sensitivity and specificity of the SEA-PTC angle to detect unstable MMRL were respectively 43% (95% CI, 27%-61%) and 96% (95% CI, 81%-100%). Bone edema of the posterior medial tibial plateau was significantly associated with unstable ramp lesions (OR, 1.58; 95% CI, 1.21-2.06; P = .029).ConclusionsUnstable MMRL concomitant to an ACL rupture was associated with an increased tibial internal rotation.Level of evidenceLevel III, retrospective comparative trial.

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