Misdiagnosis of primary intimal sarcoma of the pulmonary artery as chronic pulmonary embolism: A case report

Figure 1 Preoperative computed tomography pulmonary angiography showed a significant filling defect in the pulmonary artery.

Figure 2 Intimal sarcoma of the pulmonary artery. A: A giant pulmonary artery tumor was removed during surgery; B: Postoperative pathology showed intimal sarcoma of the pulmonary artery.

Figure 3 Computed tomography pulmonary angiography of the pulmonary artery at 3 mo post-operation showed relapse of the pulmonary artery sarcoma.

Figure 4 Computed tomography pulmonary angiography of the pulmonary artery after 2 mo of apatinib administration showed improved clinical conditions.

Figure 5 Computed tomography pulmonary angiography of the pulmonary artery after 4 mo of apatinib administration showed disease progression.