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A 19-year-old man presented with a rare skull metastasis from atypical pulmonary carcinoid tumor (APCT) manifesting as headache, diplopia, and cough. Head magnetic resonance imaging showed a skull base tumor extending from the posterior clinoid process to the clivus, and calvarial tumors in the right temporal and occipital bones. Chest and abdominal computed tomography showed a round tumor, 4 cm in diameter, in the lower lobe of the right lung and multiple small tumors in the liver. Surgery for the calvarial tumor in the right temporal bone was performed on June 27, 2003. The histological diagnosis was skull metastasis of neuroendocrine tumor. Gamma knife radiosurgery was performed for the residual skull metastases. Partial resection of the right lower lobe was performed for the lung tumor on August 22, 2003. The histological diagnosis was atypical carcinoid tumor. Subsequent adjuvant systematic chemotherapy was performed. The patient died of progression of the tumors in the lung and liver on April 19, 2004. We must consider APCT in the differential diagnosis of pulmonary tumors in adolescents, and perform follow-up observation or treatment, including surgery, if APCT is suspected.

Skull Metastases From Atypical Pulmonary Carcinoid Tumor in a 19-Year-Old Man-Case Report-