Key result
Partial excision of a metastatic osteosarcoma filling the right ventricle in a 30-year-old female led to marked postoperative improvement, though she died 33 days after surgery.
Case Report (n=1)
This case highlights an unusual presentation of metastatic osteosarcoma causing right ventricular obstruction, where the heart was the sole site of metastasis.
Surgery may offer temporary palliation in rare cardiac osteosarcoma metastases; this single case leaves open optimal management and survival impact.
A 30-year-old female with a history of surgically treated osteosarcoma 2 years prior to admission presented with progressive dyspnea and cyanosis. Physical examination was otherwise negative. Cardiac catheterization demonstrated a right ventricular mass lesion. At surgery, a metastatic osteosarcoma filling the entire right ventricle and extending from the pulmonary valve across the tricuspid valve and into the right atrial cavity was partially excised. Despite marked improvement postoperatively, she did 33 d after surgery. Postmortem findings were unusual in that the heart represented the sole site of metastasis. The diagnostic approach to cardiac symptoms from malignancy is discussed in relation to this patient.
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Wise et al. (1980) conducted a case report in Right ventricular obstruction secondary to intracardiac metastatic osteosarcoma (n=1). Partial excision (surgery) was evaluated on Clinical outcome. Partial excision of a metastatic osteosarcoma filling the right ventricle in a 30-year-old female led to marked postoperative improvement, though she died 33 days after surgery.
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