Clinical utility of synthesised brain surface imaging: Surface anatomy scanning and MR angiography

Ogura, Yutaka; Katada, Kazuhiro; Imai, Fumihiro; Kato, Yōkō; Sano, Hirotoshi; Kanno, Tetsuo; Nomura, Masayo; Takeshita, G; Koga, Sukehiko

doi:10.1007/978-3-642-79434-6_41

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“…A major limitation of this method is the inability to detect lesions with only mildly prolonged T2, or with surrounding oedema. To overcome these problems we introduced SSAS combining contrast enhanced MR angiography (CMRA) with SAS to project the CMRA data on SAS [ 13]. SSAS can display all brain structures including gyri, sulci, superior sagittal sinus (SSS), and superficial cerebral veins (SCV).…”

Section: Introductionmentioning

confidence: 99%

Synthesized surface anatomy scanning (SSAS) for surgical planning of brain metastasis at the sensorimotor region: Initial experience with 5 patients

et al. 1996

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Surface anatomy scanning (SAS) is a powerful technique that uses T2-weighted magnetic resonance images (MRI) to visualize brain surface structures, and to precisely localize subcortical lesions. To overcome technical limitations of this method, synthesized SAS (SSAS) superimposes MR angiography (MRA) data on the SAS images. We describe our initial experience with surgical planning for the resection of metastases at the sensorimotor region in 5 patients using SSAS. Neurological deficits were assessed before and after surgical resection. Although 4 of 5 patients had mild to severe neurological deficits before surgery, three became symptom-free and no patient had an increased deficit after surgery. Our results undoubtedly provide palliative surgery for sensorimotor metastases. As SSAS is non-invasive and requires a short scanning time, this method could become a useful technique for the routine pre-operative simulation for surgery on brain surface lesions such as sensorimotor metastases.

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Section: Introductionmentioning

confidence: 99%