J Korean Orthop Assoc.  2019 Apr;54(2):172-176. 10.4055/jkoa.2019.54.2.172.

Symptomatic Calcific Deposition in Posterior Cruciate Ligament of the Knee

• Chung WY
• Park SJ
• Sung SY

• KMID: 2444783
• DOI: http://doi.org/10.4055/jkoa.2019.54.2.172

Abstract

Calcium deposition disease, including calcific tendinitis, rarely affects the knee joint. Only a few cases can be found in the literatures and there is no case report of symptomatic calcific deposition arising from the posterior cruciate ligament in Korea. The authors encountered a case of symptomatic calcific deposition arising from the posterior cruciate ligament, which was excised arthroscopically and confirmed pathologically. This paper reports this case with a review of the relevant literature.

Keyword

calcinosis; posterior cruciate ligament

MeSH Terms

Calcinosis
Calcium
Knee Joint
Knee*
Korea
Posterior Cruciate Ligament*
Tendinopathy
Calcium

Figure

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  Figure 1. Plain anteroposterior (A) and lateral (B) radiographs of the left knee demonstrating a calcific lesion just below intercondylar notch (arrows).

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  Figure 2. (A) Sagittal magnetic resonance imaging, T2-weighted of the left knee. A round mass with well circumscribed intermediate signal intensity was observed just inferior to the posterior cruciate ligament (PCL). (B) A low signal intensity mass was noted in the posterior aspect of the PCL in T1-weighted image.

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  Figure 3. (A) On the anterolateral portal view, there were calcific deposits with a ‘tooth-paste’ consistency arising from the posterior cruciate ligament. (B) After excising the mass from the anteromedial portal with the shaver, it was removed completely by an arthroscopic technique.

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  Figure 4. Postoperative plain anteroposterior radiograph of the left knee demonstrating that a calcific lesion has disappeared.

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  Figure 5. In H&E staining (×200), laminated or amorphous calcific deposition can be seen between the degenerated tendon fibers.

Reference

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