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Annals of Dermatology 2011 Oct; 23(0): S160~S164
Annals of Dermatology 2011 Oct; 23(0): S160~S164

Cutaneous Extraskeletal Osteosarcoma on the Scar of a Previous Bone Graft
Sang Gon Park, M.D.1, Ji Young Song, M.D., In Guk Song, M.D., Min Sung Kim, M.D., Bong Seok Shin, M.D.
Departments of Dermatology, 1Internal Medicine, Hemato-oncology, School of Medicine, Chosun University, Gwangju, Korea
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Extraskeletal osteosarcoma (ESOS) is a very rare malignant tumor of mesenchymal origin. It is rarer than osseous osteosarcoma and there are very few reports of the skin being a primary site. Most reported cutaneous ESOS were accompanied with metastasis in other organs. A 56-year-old man presented with a painful, 1.5×0.8 cm sized, brown- colored nodule on the right girdle area for 3 months. The histologic findings revealed a tumor that was confined to the dermis without connection to the subcutaneous tissue. In addition, there were large amounts of thin and lace-like bony trabeculae and osteoid with neoplastic cells in a highly pleomorphic sarcomatous stroma. (Ann Dermatol 23(S2) S160∼S164, 2011)
Annals of Dermatology 2011 Oct; 23(0): S160~S164
Keyword : Cutaneous, Extraskeletal, Osteosarcoma, Scar
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