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. 2020 Oct 1;49(7):20190450.
doi: 10.1259/dmfr.20190450. Epub 2020 Jun 18.

Prevalence of chondrocalcinosis in the temporomandibular joint in patients with chondrocalcinosis of the knee or wrist

Inneke Willekens  1 , Abdallah Fares  1 , Hannes Devos  1 , Maryam Shahabpour  1 , Leon Lenchik  2 , Nico Buls  1 , Michel De Maeseneer  1
Affiliations

Prevalence of chondrocalcinosis in the temporomandibular joint in patients with chondrocalcinosis of the knee or wrist

Inneke Willekens et al. Dentomaxillofac Radiol. .

Abstract

Objective: The aim of this study was to investigate the prevalence of TMJ chondrocalcinosis on head CT scans in patients with chondrocalcinosis of the knee or wrist.

Methods and materials: 227 patients with radiological evidence of calcifications on knee or wrist radiographs had a head CT scan obtained for unrelated purposes. CT scans were retrospectively reviewed for the presence of temporomandibular crystal deposition. Prevalence, bilaterality, age and gender distribution were determined.

Results: 41 of 227 (18%) of patients had TMJ chondrocalcinosis. TMJ chondrocalcinosis was more common in females (17%) than males (1%). It was more commonly unilateral (68%) than bilateral (32%).

Conclusion: In patients with peripheral calcific disease, the TMJ is more commonly involved than previously reported and this is more common in females compared to males.

Keywords: CPPD; CT; Chondrocalcinosis; Joint calcification; Temporomandibular Joint.

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Figures

Figure 1.
Figure 1.
Transverse CT of the head. Type 1 calcification corresponds to very subtle area of mineralization in the meniscus (arrow).
Figure 2.
Figure 2.
Transverse CT of the head.Type 2 calcifications. Note more prominent calcifications surrounding the temporomandibular head (arrowheads).
Figure 3.
Figure 3.
Transverse CT of the head. . Type 3. Note extensive calcifications at anterior aspect of joint around the temporomandibular head and in the meniscus (arrowheads)..
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