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Sarcoma
Volume 3, Issue 3-4, Pages 193-195
http://dx.doi.org/10.1080/13577149977640
Case Report

Primary Chondroblastic Osteosarcoma of the Lung

1Pathology & Laboratory Service, Veterans Affairs Hospital, Hines, Illinois, USA
2Department of Pathology, Loyola University Medical Center, Maywood, Illinois, USA
3Room D121, P.O. Box 5000, Fifth Avenue & Roosevelt Road, Hines 60141, IL, USA

Copyright © 1999 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Purpose. Primary extra-osseous osteosarcomas are uncommon lesions, and those originating within the lung are especially rare, with few case reports existing in the literature.

Patient. We report the case of a 48-year-old male smoker with a primary osteosarcoma of the right lower lung lobe.

Results. Diagnosis was based on histopathological findings of a poorly differentiated sarcoma with malignant cellular components of osteoid and chondroid matrix, along with immunohistochemical and electron microscopy confirmation. Extensive clinical and radiographic evaluation failed to reveal any tumor at other anatomical sites.