Key Feature Summary for Mucinous Cystadenoma of the Lung
- Rare benign lung tumor usually found incidentally
- Mean age 60s, slightly more in women
- Mucin-filled cyst lined by bland mucinous epithelium
- No atypia, invasion, or necrosis
- Cytokeratin positive, and TTF1 negative
- Differential diagnosis include: Metastatic adenocarcinoma, colloid carcinoma, bronchogenic cyst.
- Cured by complete surgical excision
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