CTICasesSolitary Fibrous Tumor of Pleura
Imaging findings
Chest radiograph and CT show a well-circumscribed, ovoid, 3-4 cm soft tissue mass in the posterior costophrenic angle, abutting the left hemidiaphragm and chest wall. The mass has an abrupt transition with the diaphragm and is supplied by adjacent chest wall vessels, representing a solitary fibrous tumor.
Key takeaways
Solitary fibrous tumors of the pleura can arise in the posterior costophrenic sulcus and mimic diaphragmatic (Bochdalek) hernias on radiographs. Distinguishing features include a lack of mesenteric fat content and a well-defined interface with the diaphragm on CT.
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