Abstract
Abstract We present a patient with uncommon metastases of lung cancer. The patient has been followed-up for early stage laryngeal carcinoma in the remission and has had dyspeptic complaints as well. A 62-year-old male patient had epigastric complaints for three months. In the upper endoscopy, a biopsy specimen taken from the polyp in the second region of the duodenum was reported as squamous cell cancer. Immunohistochemical staining of tumor cells were positive for CK5/6, p40, and p63. A mass in the right lung was detected on thorax tomography. The result of the transthoracic needle biopsy indicated squamous cell cancer. Duodenal metastasis of lung cancer is highly unlikely. Lesions below 1 cm can be safely removed endoscopically. Duodenal metastasis of primary lung cancer can be considered in the differential diagnosis of resistant dyspepsia.
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