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Case Reports
. 2012 Mar;41(3):259-63.
doi: 10.1259/dmfr/93380292. Epub 2011 Nov 24.

Aplasia of the mandibular condyle associated with some orthopaedic abnormalities

E M Canger  1 , P Celenk
Affiliations
Case Reports

Aplasia of the mandibular condyle associated with some orthopaedic abnormalities

E M Canger et al. Dentomaxillofac Radiol. 2012 Mar.

Abstract

A rare case of aplasia of mandibular condyle associated with some other orthopaedic problems is presented. A 5-year-old boy attended our clinic with a chief complaint of facial asymmetry and chewing difficulty. The mandible was deviated to the left. The occlusion also showed a deflection to the left of the mandibular midline. He also had walking difficulty owing to a hip abnormality. Panoramic radiographic examination of the patient revealed that the left mandibular condyl was totally absent. The right condyle was unremarkable. His history revealed neither trauma nor any significant disease. Aplasia is a rare anomaly and means the insufficient development of the mandibular condyle. True agnesis of the mandibular condyle is extremely rare. Association of the manifestations of the patient with some orthopaedic problems makes this case interesting.

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Figures

Figure 1
Figure 1
Frontal view of the patient reveals that the left side of the face is hypoplastic and the pogonion deviates to the left
Figure 2
Figure 2
In intraoral examination, aproximately 1 cm deflection to the left side of the mandible is clearly remarkable. Maximum mouth opening is within normal limits (approximately 4 cm)
Figure 3
Figure 3
Panoramic imaging reveals that while the left mandibular condyle is totally absent and the ramus is terminated relatively flat at the level of sigmoid notch at that side, the right condyle is unremarkable. Also, tooth development and tooth count is normal
Figure 4
Figure 4
In a CT image, flattening of the articular fossa and complete absence of the left mandibular condyle are detected on the left side of the mandible
Figure 5
Figure 5
In an anteroposterior skull radiogram, evident facial asymmetry and the deflection of the mandible to the left side of the face was observed clearly
Figure 6
Figure 6
In pelvic radiography, bilateral aplasia of the collum femoris and caput femoris is revealed. Tuberculum majus are not detected bilaterally. In addition, at sacral 1, there is an arcus defect and spina bifida
Figure 7
Figure 7
Examination of plain film radiograph of the left arm reveals lytic defects at the ulnar medial condyle and cortical irregularities at other joint surfaces
See this image and copyright information in PMC

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