The use of intraoperative near-infrared indocyanine green videoangiography in the microscopic resection of hemangioblastomas
- Yoji TamuraAffiliated withDepartment of Neurosurgery, Osaka Medical College Email author
- , Yuki HirotaAffiliated withDepartment of Neurosurgery, Osaka Medical College
- , Shiro MiyataAffiliated withDepartment of Neurosurgery, Osaka Medical College
- , Yoshitaka YamadaAffiliated withDepartment of Neurosurgery, Osaka Medical College
- , Adam TuckerAffiliated withDepartment of Neurosurgery, Osaka Medical College
- , Toshihiko KuroiwaAffiliated withDepartment of Neurosurgery, Osaka Medical College
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The authors assessed the usefulness of intraoperative near-infrared indocyanine green videoangiography (ICG-VA) in the microscopic resection of hemangioblastomas.
From January 2009 to February 2012, nine consecutive patients (seven men, two women) who underwent surgery for hemangioblastomas using intraoperative ICG-VA were included in this study. Surgery was performed on four cystic cerebellar lesions with mural nodules, two solid tumors (one in the cerebellar hemisphere and one in the medulla oblongata), one spinal tumor and multiple tumors in two patients with von Hippel-Lindau disease. Of the nine patients, three were treated for recurrent tumor. The ICG-induced fluorescence images of hemangioblastomas with variable presentation were evaluated.
All tumors could be completely removed en bloc. Blood flow in the tumor and tumor-related vessels at the brain surface were clearly detected by ICG-VA in all cases, except one recurrent tumor where postoperative adhesive scar tissue obstructed ICG-induced fluorescence resulting in poor delineation of the blood flow patterns and tumor margins. ICG-VA was also helpful for detecting the multiple small mural nodules within the cyst or the tumors buried under thin gliotic neural tissue despite reduced fluorescence.
Intraoperative ICG-VA is a safe and easy modality for confirming the vascular flow patterns in hemangioblastomas. In addition, ICG-VA provided useful information for intracystic small lesions or lesions concealed under thin brain tissue in order to accomplish total resection of these tumors.
KeywordsHemangioblastoma Indocyanine green videoangiography Microsurgery
- The use of intraoperative near-infrared indocyanine green videoangiography in the microscopic resection of hemangioblastomas
Volume 154, Issue 8 , pp 1407-1412
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