Key result
Surgical excision under cardiopulmonary bypass successfully removed an atypically large, free-floating tumor embolus extending from a primary lung squamous cell carcinoma into the left atrium.
Case Report (n=1)
No
Surgical excision under cardiopulmonary bypass is a viable treatment for a rare, large free-floating tumor thrombus extending from the lung to the left atrium.
An atypically large, free-floating thrombus extending from primary pulmonary malignancy into the left atrium (LA) is a rare phenomenon. Here, we report a 61-year-old man presenting with a large mass in the lower lobe of the left lung, extending to LA via the left inferior pulmonary vein.The thrombus remained clinically silent and was detected by computed tomography (CT) and transthoracic echocardiography. To prevent life-threatening complications including systemic embolism and sudden death, the patient underwent surgical excision of the mass under cardiopulmonary bypass. Pathology of the tumor and the embolus was confirmed as moderately differentiated squamous cell carcinoma. Furthermore, immunohistochemical studies demonstrated consistency of the tumor cells in this pathological category.The patient tolerated the surgery well and his condition began to improve gradually after the operation.
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Wang et al. (2015) conducted a case report in Primary pulmonary squamous cell carcinoma with tumor embolus extending to the left atrium (n=1). Surgical excision (lobectomy and embolectomy under cardiopulmonary bypass) was evaluated on Patient recovery and survival. Surgical excision under cardiopulmonary bypass successfully removed an atypically large, free-floating tumor embolus extending from a primary lung squamous cell carcinoma into the left atrium.
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