PURPOSE: solitary fibrous tumors (SFT) represent a heterogeneous group of primary pleural neoplasms with a low incidence rate and of which the biological origin, which consists of mesenchymal cells, is uncertain. METHODS: The authors present herewith a retrospective analysis of 22 patients with SFTs who were diagnosed and surgically treated between the years 2000-2015. The preoperative tumors were successfully verified morphologically by transthoracic core needle biopsy under CT control in 27.3% of patients. Surgical approaches were either posterolateral thoracotomy or videothoracoscopy. The follow-up median was 45 months (range 1-188 months). RESULTS: Twenty tumors were surgically removed radically, two tumors were found to be unresectable due to the considerable tumor size. From histological point of view 81.8% of tumors were SFT with low malignant potential, 18.2% of tumors with high malignant potential. Despite the radical extirpation of the SFT, it relapsed in two patients. CONCLUSION: The gold standard of SFT treatment is radical surgical removal; however, patients at risk of recurrence require additional follow-ups. The results of adjuvant therapy in recurrent and malignant forms of SFTs are the subject of discussion and further study.

Clinic of Surgery Faculty of Medicine in Pilsen Charles University Prague University Hospital Pilsen Pilsen Czech Republic

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