Pulmonary carcinoid tumor presenting with widespread bone metastasis

A seventy-seven years old female with a complaining of backache for three weeks was hospitalized in orthopedics clinic. Metastatic lesions at T6 corpus and T7, T8, T12 vertebrae with a mass lesion of 5.5 cm longest diameter obliterating intermediate bronchus leading to volume loss in the right lung lower lobe was observed at thoracal tomography. The endobronchial mass lesion obliterating the right intermediate bronchus was observed in fiberoptic bronchoscopy. The histopathologic diagnosis of the mass was a carcinoid tumor. Levels of serotonin and 5-hydroxy indol acetic acid in blood and urine were normal. Compression to medulla spinalis was observed in MRI of thoracolombar spine. Thoracic hemilaminectomy-laminotomy was performed. The histopathologic diagnosis of surgical resection biopsy of T6 vertebra was reported as the infiltration of atypical carsinoid tumor. The chemoradiotherapy was applied to the patient.