A 36-year-old man who complained of bloody sputum showed a mass-like shadow in the right upper lung field on chest X-ray, which was diagnosed as adenocarcinoma by sputum cytology in August, 1990. Since his clinical stage was too advanced for curative operation, chemotherapy was started on October 1, 1990. On October 26, he brought up a polyp-like mass, and was found to have polypoid tumors on the bilateral tonsils and nasopharynx, which were biopsied and diagnosed as poorly-differentiated adenocarcinoma. On November 21, CT of the face showed soft tissue density tumors in the bilateral paranasal sinuses. According to the clinical course, all tumors were thought to be metastatic lesions. Since he had suffered from epistaxis and nasal obstruction due to the enlargement of metastatic tumors, nebulization chemotherapy and palliative resection were performed. In February 1991, he developed severe headache due to brain metastasis. Despite irradiation therapy, he died from cerebral intra-tumorous hemorrhage on February 22. We reported a rare incurable case of lung cancer with metastasis to the nasopharynx and paranasal sinuses.

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