Journal of Prevention and Treatment for Stomatological Diseases ›› 2021, Vol. 29 ›› Issue (6): 361-367.DOI: 10.12016/j.issn.2096-1456.2021.06.001
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Received:
2020-02-19
Revised:
2020-10-10
Online:
2021-06-20
Published:
2021-04-12
Contact:
Anxun WANG
Supported by:
王安训()
通讯作者:
王安训
基金资助:
CLC Number:
WANG Anxun. Diagnosis and treatment of benign condylar hyperplasia[J]. Journal of Prevention and Treatment for Stomatological Diseases, 2021, 29(6): 361-367.
王安训. 髁突良性肥大的诊断和治疗[J]. 口腔疾病防治, 2021, 29(6): 361-367.
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Figure 1 Panoramic images of the patient with benign condylar hyperplasia (left side) Panoramic images and comparison of the height of mandibular ramus on two sides
Age (year) | Cases | Gender | Grade | |||
---|---|---|---|---|---|---|
Male | Female | Inactive phase | Mild activity phase | Moderate-severe activity phase | ||
<20 | 22 | 8 | 14 | 3 | 6 | 13 |
20-30 | 17 | 8 | 9 | 8 | 3 | 6 |
>30 | 2 | 1 | 1 | 0 | 1 | 1 |
Table 1 Clinical characteristics and radionuclide scanning results of patients with benign condylar hyperplasia
Age (year) | Cases | Gender | Grade | |||
---|---|---|---|---|---|---|
Male | Female | Inactive phase | Mild activity phase | Moderate-severe activity phase | ||
<20 | 22 | 8 | 14 | 3 | 6 | 13 |
20-30 | 17 | 8 | 9 | 8 | 3 | 6 |
>30 | 2 | 1 | 1 | 0 | 1 | 1 |
Bone scintigraphy | Inactive phase | Mild activity phase | Moderate-severe activity phase |
---|---|---|---|
Perfusion phase | Well-perfused blood and symmetric blood perfusion curves on both sides of the condyle | Well-perfused blood and symmetric blood perfusion curves on both sides of the condyle | Differences in blood perfusion and blood perfusion curves on both sides of the condyle |
Blood pool phase and delayed phase | Radionuclides are distributed symmetrically on both sides of the condyle | Differences in radionuclide aggregation on both sides of the condyle | Differences in radionuclide aggregation on both sides of the condyle |
SPECT/CT tomography imaging | Asymmetric condyle, hypertrophy on the affected side | Condylar hyperplasia and increased radionuclide uptake on the affected side | Obvious condylar hyperplasia and significantly increased radionuclide uptake on the affected side |
Table 2 Radionuclide scanning imaging performance of patients with benign condylar hyperplasia
Bone scintigraphy | Inactive phase | Mild activity phase | Moderate-severe activity phase |
---|---|---|---|
Perfusion phase | Well-perfused blood and symmetric blood perfusion curves on both sides of the condyle | Well-perfused blood and symmetric blood perfusion curves on both sides of the condyle | Differences in blood perfusion and blood perfusion curves on both sides of the condyle |
Blood pool phase and delayed phase | Radionuclides are distributed symmetrically on both sides of the condyle | Differences in radionuclide aggregation on both sides of the condyle | Differences in radionuclide aggregation on both sides of the condyle |
SPECT/CT tomography imaging | Asymmetric condyle, hypertrophy on the affected side | Condylar hyperplasia and increased radionuclide uptake on the affected side | Obvious condylar hyperplasia and significantly increased radionuclide uptake on the affected side |
Figure 2 CT and radionuclide scanning images of the patient with benign condylar hyperplasia (left side) a: three-dimensinal bone reconstruction CT images showed obvious malocclusion, the chin was inclined to the healthy side, and the height of the ascending branch of the affected side increased significantly; b&c: radionuclide scanning images showed increased radionuclide uptake on affected side
Figure 3 Appearance and occlusion relationship of the patient with benign condylar hyperplasia before and after combined orthognathic and orthodontic treatment a: the patient had visible facial asymmetry and mandibular lateral deformity before the operation; b: disorder of occlusal relationship before the operation, misalignment of midline of anterior teeth, deviation of occlusal level, and openocclusal relationship; c: the patient had visible improvement in facial appearance after surgery; d: postoperatively, the occlusion relationship was corrected
Figure 4 A 3-year follow-up of the patient with benign hyperplasia of the condyle showed decreased bone metabolic activity by radionuclide scanning a&b: metabolic hyperactivity of condylar area (left side); c&d: slightly active metabolism of condylar area (left side, 3 years later)
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