増殖速度が極めて低く術前診断に苦慮した島皮質転移性脳腫瘍の１例

概要

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An unusual case of metastatic brain tumor with a neuroradiological aspect in a 60-year-old man is reported. The patient had a history of thoracic surgery for lung cancer (T1NM0) 4 years earlier. MR imaging for brain check-up revealed a small enhanced lesion in the left insular cortex. Serial MR imaging showed slow enlargement of the lesion. The patient underwent left frontotemporal craniotomy with total removal of the tumor under a navigation system, photodynamic diagnosis and motor evoked potential monitoring. The histopathological diagnosis was adenocarcinoma, which was consistent with the primary lung cancer. The patient was doing well 8 years after the operation. The possibility of metastatic brain tumor should be considered during the follow-up after thoracic surgery even in an early stage of lung cancer and even when the tumor is localized in the cerebral cortex.
2012-08-10