J Korean Assoc Maxillofac Plast Reconstr Surg.  2002 Jan;24(1):65-68.

Periosteal Osteosarcoma Of The Mandible: Report Of A Case

Affiliations
  • 1Department of Oral and Maxillofacial Surgery and Oral Pathology, College of Dentistry, Yonsei University, Korea. jhyoom@chosun.ac.kr
  • 2Oral Cancer Research Institute, College of Dentistry, Yonsei University, Korea.
  • 3Department of Oral Pathology, College of Dentistry, Chosun University, Korea.

Abstract

Periosteal osteosarcoma is a distinct entity of malignant bone tumor with characteristic clinical, morphological, and histological features within the group of juxtacortical osteosarcoma. Periosteal osteosarcoma is predominantly located in the tubular long bones, and extremely rarely involving the jaws. A case of periosteal osteosarcoma of the right mandible is presented. A 27-year-old woman complained of the gingival swelling and bleeding tendency of the right posterior mandible. Clinical examination revealed a reddish brown strawberry-like swelling on the affected mucosa, which measured 1.5cm X 1.5cm. The tumor was located on the lingual cortex of the mandible and extended into the surrounding soft tissues. Microscopically, the tumor consisted exclusively of atypical chondroblastic cells with a small osteoblastic area. A minimal bone marrow involvement was noted and the adjacent cortex was free of tumor. These findings suggested that the tumor originated from the periosteal cambium layer, which lies between the periosteal fibrous layer and the cortex of mandible.

Keyword

Periosteal osteosarcoma; Juxtacortical osteosarcoma; Mandible
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