Acta neurochirurgica · 2014
The ventricular system and choroid plexus as a primary site for renal cell carcinoma metastasis.
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Shapira Yuval, Hadelsberg Uri P, Kanner Andrew A, Ram Zvi, Roth Jonathan
Аннотация
BACKGROUND: Brain metastases (BM) are the most common intracranial tumours amongst adults. Ten to 40 % of patients with cancer will develop BM. In this study, we observed a high affinity of renal cell carcinoma (RCC) to the ventricular system, with close association to the choroid plexus.
METHODS: This is a retrospective study evaluating data of our prospectively maintained brain tumour database, focusing on consecutive BM patients, who were treated at our center between March 2003 and December 2011. Data collected included primary pathologies, anatomical distribution of the brain metastasis according to neuroimaging, and treatment modalities.
RESULTS: We identified 614 patients with BM, of whom 24 (3.9 %) were diagnosed with RCC, harboring 33 lesions. Nine of the 24 patients (37.5 %) presented with an intraventricular location (10 of 33 RCC BM lesions). Of the remaining 590 patients with non-RCC pathologies, five patients (0.8 %) were diagnosed with intraventricular lesions (p < 0.0001).
CONCLUSION: In this unselected, consecutive treated BM patient cohort we observed a high affinity of RCC BM to the ventricular system with close association to the choroid plexus. The reason for this affinity is unknown. Surgical approaches for resection of these lesions should be planned to include early control on the vascular supply from the choroidal vessels.
METHODS: This is a retrospective study evaluating data of our prospectively maintained brain tumour database, focusing on consecutive BM patients, who were treated at our center between March 2003 and December 2011. Data collected included primary pathologies, anatomical distribution of the brain metastasis according to neuroimaging, and treatment modalities.
RESULTS: We identified 614 patients with BM, of whom 24 (3.9 %) were diagnosed with RCC, harboring 33 lesions. Nine of the 24 patients (37.5 %) presented with an intraventricular location (10 of 33 RCC BM lesions). Of the remaining 590 patients with non-RCC pathologies, five patients (0.8 %) were diagnosed with intraventricular lesions (p < 0.0001).
CONCLUSION: In this unselected, consecutive treated BM patient cohort we observed a high affinity of RCC BM to the ventricular system with close association to the choroid plexus. The reason for this affinity is unknown. Surgical approaches for resection of these lesions should be planned to include early control on the vascular supply from the choroidal vessels.