PMC3038560_01
Extraoral photograph shows a swelling on the left posterior body of the mandible.
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Clinical examination revealed extraoral swelling on the left side (Figure 1).
Intraoral view showing a well-defined, round swelling covered by normal oral mucosa on the buccal plate of the left posterior mandible.
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The overlying oral mucosa was normal (Figure 2).
Panoramic radiograph showing a solitary, round, 3 x 3 cm well-defined radio-opaque mass without a radiolucent rim on the left side of the body of the mandible. The lesion extended distally of the second premolar till the mesial aspect of the second molar distal root.
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The lesion extended distally of the second premolar to the mesial aspect of the second molar distal root (Figures 3 and 4).
Coronal Computed tomography (CT) showing a large, well-circumscribed, pedunculated mass attached to the buccal surface of the left mandibular body. Three-dimensional reconstruction image showing localisation and extending of the lesion.
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The lesion extended distally of the second premolar to the mesial aspect of the second molar distal root (Figures 3 and 4).
Mucoperiostal flap was removed and the entire lesion was found out.
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Under local anesthesia, the lesion was totally removed using a chisel and rotary instruments via an intraoral approach, and curettage of the cavity was undertaken (Figure 5).
Microscopic features of peripheral osteoma consisting of mature lameller compact bone (haematoxylin-eosin, original magnification x200).
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Microscopic examination of the specimen revealed a hard mass consisting entirely of dense lameller compact bone (Figure 6).