[Primary spindle cell sarcoma of the pulmonary artery]

It is reported on a patient with a primary, mainly spindle-cell sarcoma of the left pulmonary artery. It is a case of a centrally located tumor, which caused a subtotal occlusion of the truncus pulmonalis and a complete occlusion of the left pulmonary artery. The diagnostical and therapeutical methods with their results and possible complications are discussed. The indication for an operation is demonstrated. In the pertinent literature hitherto 35 cases of this disease are reported.