{Reference Type}: Case Reports {Title}: An Aspirated Tooth Masquerading As Lung Cancer: A Unique Case Report. {Author}: Meram E;Mansour M;Khreisat A;AlKloub R;Dalal B; {Journal}: Cureus {Volume}: 16 {Issue}: 3 {Year}: 2024 Mar 暂无{DOI}: 10.7759/cureus.55890 {Abstract}: Tooth aspiration, while commonly linked to predisposing conditions such as loose teeth, facial surgeries, or injuries, can also affect patients without apparent risk factors. Such small foreign body aspirations may go undiagnosed for many months as patients often tolerate the symptoms, such as chronic cough. However, the protracted course of unaddressed foreign body aspiration has the potential to resemble symptoms of malignancy, including persistent hemoptysis, weight loss, and fatigue. In this report, we detail the case of a 51-year-old man with underlying chronic obstructive pulmonary disease (COPD) whose history and symptoms initially suggested lung carcinoma. Further investigation uncovered an aspirated tooth as the culprit. The sequelae of pulmonary complications arising from endobronchial obstruction, such as post-obstructive pneumonia and atelectasis, as demonstrated in our case, further emphasize the importance of prompt detection and management of tooth aspiration.