• 치과방사선
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• 제28권2호
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• pp.539-563
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• 1998

39-year-old female had been treated for the exophytic mass on buccal aspect of the left, maxillary posterior area 2 years and 8 months ago. Tentative diagnosis was obtained as fibrous dysplasia on clinical and radiographic examinations and histopathologic findings revealed as osteochondroma after bone trimming at that time. She revisited for the treatment of recurred lesions. We reviewed this case with clinical. radiologic and histopathologic standpoints retrospectively, and came to a conclusion that the tumor primarily occurred was juxtacortical osteogenic sarcoma and recurred due to inadequate treatment and then expanded over intramedullary. This case shows that the diagnosis of osteosarcoma should take account of the patient history, clinical. radiographic and histopathologic findings and it requires attentive follow up check. Retrospectively reviewed results were as follows ; At first visit, oral examination revealed a bony hard swelling on the buccal aspect of the left maxillary posterior area. Radiographically, a dense radiopaque mass was noted on the site. The lesion showed hot uptake of /sup 99m/Tc-MDP. Histopathologic diagnosis was done as osteochondroma, but it was considered as osteogenic sarcoma when compared with the recurrent lesion. When she revisited for the treatment of multiple bony swelling on the left maxilla, radiograms showed typical features of malignancy such as widening of periodontal ligament space and sunray appearace, and coincided with benign characters as follows; relatively well circumscribed lesion and expansion and displacement of the adjacent structures. Finally, histopathologic findings of the lesion was well differentiated chondroblastic osteogenic sarcoma.

• 대한골관절종양학회지
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• 제16권2호
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• pp.95-98
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• 2010

활액막성 연골종증은 관절 활액막으로부터 기원하는 증식성의 결절성 연골성 양성 종양이다. 영상의학적 소견은 다양하게 나타나는데 드물게 연골육종, 골육종 그리고 활액 육종과 같은 악성 종양과의 감별을 요하는 수가 있다. 저자들은 컴퓨터 단층 촬영에서는 관절 내 다 발성의 연골성 무기질침착이 뚜렷한 종괴로 인해 활액막성 연골종증을 예상할 수 있으나, 단순 방사선 소견 상 피질골에 근접하고 균질한 방사선비투과의 모습을 보여 방골성 골육종과 유사해 보이는 근위 경골의 후면에 발생한 원발성 활액막성 연골종증 1예를 보고한다.