Abstract
Although a solitary fibrous tumor of the pleura (SFTP) is a rare disease, and usually has a benign course, it has a malignant potential. We report a case of malignant SFTP treated surgically. A 75- year-old female was admitted with a chief complaint of hemoptysis of two weeks duration. Computed tomography of the chest imaged a large mass in the right hemithorax, which compressed adjacent organs; however, there was no evidence of invasion. We reviewed the patient’s medical records and found that the mass had been presented for 17 years. Complete resection was achieved through a right thoracotomy and histopathologic examination confirmed a malignant SFTP.
Highlights
A solitary fibrous tumor of the pleura (SFTP) is a rare disease entity that usually arises from the submesothelial mesenchymal cells; its incidence is < 5% of all pleural tumors
We present a case of malignant SFTP, which was successfully treated by complete resection
Case presentation A 75-year-old Korean female was admitted to our hospital with a chief complaint of hemoptysis of two weeks duration. She had a history of mitral stenosis and atrial fibrillation treated with medications including digoxin and warfarin; seventeen years ago she underwent right leg amputation due to femoral artery thrombosis
Summary
A solitary fibrous tumor of the pleura (SFTP) is a rare disease entity that usually arises from the submesothelial mesenchymal cells; its incidence is < 5% of all pleural tumors. There was no evidence of invasion of the surrounding tissue; it could be resected completely, A wedge resections of the right middle and lower lobe was done; the size of the mass was 16.0 × 11.0 × 7.0 cm (Figure 3A). The tumor was diagnosed as a malignant SFTP, according to the following criteria: hypercellularity, nuclear atypia, > 4 mitoses per 10 high-power fields, hemorrhage and necrosis (Figure 3B); Ki-67 was 7%. Her postoperative course was uneventful, and she has been doing well for two years after the surgery without any evidence of recurrence or metastasis
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