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| The study of high resolution blood oxygen level dependent MR venography in intracranial masses |
| YI Zi-sheng, LIU Yi-ping, GUO Wen-bin, WU Jian-fei, LI Hua-liang |
| Department of MRI, PLA 92nd Hospital, Nanping Fujian 353000, China |
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Abstract Objective: To investigate the value of high resolution blood oxygen level dependent MR venography(HRBV) in diagnosing intracranial masses. Methods: Thirty intracranial masses performed by histology, 6 caverous angiomas, 2 arteriovenous malformations, 6 meningiomas, 6 glioblastomas, 2 acoustic neuromas, metastases and arachnoid cysts, 1 of each of the following trigeminoma, medulloblastoma, hemangioblastoma and schistosomal granuloma. Routine MRI plain scan, contrast-enhancement and HRBV were performed in all patients. Results: Copious petty veins distributed in 6 caverous angiomas. The sign of iron rims and hemorrhagic focus were detected in 4 caverous angiomas. Profuse gross veins distributed in 2 arteriovenous malfomations. Many veins distributed in the high grade glioblastomas, acoustic neuromas, trigeminoma, schistosomal granuloma and 4 meningiomas. Many patchy hemorrhagic focus distributed in the high grade glioblastomas. A big fistular vein with branches located in the medulloblastoma. Armillary vein circled the metastases. Few vein were detected in the low grade glioblastoma, arachnoid cysts and 2 meningiomas. The edema around masses on HRBV were coherent with FLAIR. Conclusion: HRBV is useful to detect the venography of intracranial masses and can provide the information about blood supply, hemorrhagic focus and edema around masses. HRBV is an important tool to definite the histology of masses and direct the clinical therapy.
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Received: 15 October 2008
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2009, Vol. 20 
