CTICasesExtrapleural Lymphoma with Fat Stripe Sign
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Imaging findings
CT shows large axillary and anterior mediastinal lymph nodes, circumferential pleural thickening with multiple pleural masses. Multiple instances of the "fat stripe sign" are observed, where extrapleural fat is displaced by extrapleural lymphoma or intercostal lymphadenopathy.
Key takeaways
The "fat stripe sign," typically associated with extrapleural hematoma, can also be seen in the context of extrapleural neoplastic infiltration, such as lymphoma, indicating the displacement of extrapleural fat by a mass rather than blood.
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