CTICasesSolitary Fibrous Tumor of the Pleura
Imaging findings
Chest radiography demonstrates a well-circumscribed, lobulated, soft tissue mass in the left apex. Non-contrast CT reveals a solid, paraspinal mass extending over the left lung apex with coarse, circular dystrophic calcification and no involvement of the intervertebral foramina. A small, associated pleural effusion is also present.
Key takeaways
Solitary fibrous tumor (SFT) of the pleura is a mesenchymal neoplasm that typically behaves in a benign fashion, even when presenting in atypical locations such as the lung apex. While features like larger size, necrosis, heterogeneity, and the presence of an accompanying pleural effusion can raise suspicion for malignancy, histopathological evaluation showing fewer than one mitosis per ten high-power fields remains the gold standard for predicting benign behavior.
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