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Chondrosarcoma is a malignant bone tumour common in adults, third to myeloma and osteosarcoma, but is exceptionally rare in children. Here we discuss a 9-year-old girl presenting with occlusive right pulmonary artery neoplastic embolus, resulting from a primary right proximal humerus chondrosarcoma. To the best of our knowledge, this the first pediatric and only second overall case reported in the United States of a neoplastic pulmonary embolus resulting from a primary chondrosarcoma.

Primary osteosarcoma accounts for 3% of all childhood cancer. It commonly occurs during the adolescent growth spurt and is more common in boys than girls and in African Americans than white people. The 5-year survival is approximately 79%. Cardiac metastasis of osteosarcoma is exceedingly rare; we present an unusual case in a 22-year-old man with significant intracardiac tumor burden. Additionally, we review the current pediatric cardiac tumor literature.

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