CTICasesEpithelioid Mesothelioma (Mass-like)
Imaging findings
A 56-year-old woman presented with a mediastinal mass centered at the cardiophrenic angle, possibly in the anterior mediastinum or along the mediastinal pleural surface, demonstrating a hilum overlay sign. The mass exhibited some calcification and small cystic components. A small posterior pleural nodule was also noted.
Key takeaways
Mesothelioma can present as a mass-like appearance rather than diffuse pleural thickening. The presence of calcifications and cystic areas in such a mass, even in a younger patient, is notable and expands the differential diagnosis for mediastinal masses.
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