Abstract：
We report the third case of bilateral metastatic renal meningeal hemangiopericytoma (HPC) 16 years after initial intracranial presentation. A 47-year-old male patient presented with abdominal mass drew our attention. Computed tomography (CT) demonstrated bilateral renal masses and another mass caudal to the lower pole of left kidney from which it was separated. He had a previous history of meningeal HPC. Since 1996, he underwent four neurosurgical operations and three CyberKnife radiosurgery. He underwent bilateral nephron sparing surgery. Histopathology study deposed for HPC. After 12 months, a CT scan revealed three hepatic lesions, which resulted comparable with HPC metastasis at a fine needle biopsy. An imaging-guided radiofrequency ablation was programmed. The patient is metastatic disease-free after 46 months. Previous history of meningeal HPC in patient with kidney masses should raise the suspicion of renal metastasis. The treatment of choice is surgery. In these cases, abdominal imaging should be included in the follow-up.
摘要：
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