CTICasesLung Adenocarcinoma with Pleural Seeding
Imaging findings
Chest CT shows a cavitary nodule in the right middle lobe abutting the horizontal fissure, along with multiple new small pleural nodules indicating seeding. An incidental aspirated metallic foreign body (suspected dental drill bit) is also seen in a right lower lobe segmental artery.
Key takeaways
Primary lung cancers abutting pleural fissures are at high risk for pleural dissemination (seeding), which presents as small nodules along the pleural surfaces and contraindicates curative surgical resection.
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