CTICasesTorsed Solitary Fibrous Tumor of the Pleura
Imaging findings
CT chest shows a well-circumscribed, high-attenuation mass (50-60 HU) in the right cardiophrenic angle that rapidly enlarged over 16 hours, showing progressive internal necrosis and a small pleural effusion. Pathology of the resected mass confirmed a torsed and infarcted solitary fibrous tumor.
Key takeaways
Solitary fibrous tumors (SFTs) of the pleura are typically benign, pedicled masses. SFTs can undergo acute torsion on their vascular pedicle, leading to acute thrombosis, hemorrhagic infarction, and rapid enlargement on CT, presenting with acute chest pain and mimicking an infected mesothelial cyst.
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