PMC4668723_01
Swelling and facial asymmetry present on right side of face
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F1
Clinical examination revealed a smooth, firm, but diffuse swelling of size 4 cm x 4 cm (approximately) was present in the right preauricular region [Figure 1].
Computed tomography view of the condylar pathology
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F2
Further imaging with computed tomography (CT) revealed a 3.4 cm x 3.3 cm sized expanded, cystic lesion of the right mandibular condyle with septa and fluid levels, suggesting a diagnosis of ABC [Figure 2].
Metallic condylar head add-on system in place after resection
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F3
Extraoral approach was used for gross condylar resection with the articular disk in place and alloplastic metallic condylar head add-on system [Figure 3] as a primary reconstructive option.
Low magnification view showing cystic spaces lined by fibroblasts with hemorrhage in lumina (H and E stain)
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F4
Histopathological examination of resected condyle revealed a wide fibrous stroma with cystic spaces lined by uneven band of fibroblasts, stromal cells, and osteoclastic giant cells with hemorrhage in lumina of cysts suggestive of ABC [Figures 4 and 5].
High magnification view showing uneven band of fibroblasts, stromal cells, and osteoclastic giant cells (H and E stain)
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F5
Histopathological examination of resected condyle revealed a wide fibrous stroma with cystic spaces lined by uneven band of fibroblasts, stromal cells, and osteoclastic giant cells with hemorrhage in lumina of cysts suggestive of ABC [Figures 4 and 5].
Normal facial nerve function postoperatively
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F6
On postoperative evaluation, all the branches of facial nerve were functioning normally [Figure 6].
Panoramic view of condylar prosthesis after 1-year
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F7
The patient has been reviewed on a monthly basis for 1-year without any signs of discomfort and recurrence [Figure 7] with the satisfactorily functioning condylar head add-on system, normal mouth opening [Figure 8], and mandibular border movements.
Satisfactorily working temporomandibular joint after 1-year
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F8
The patient has been reviewed on a monthly basis for 1-year without any signs of discomfort and recurrence [Figure 7] with the satisfactorily functioning condylar head add-on system, normal mouth opening [Figure 8], and mandibular border movements.