Morimoto K, Ikeda T, Maeda Y, Kanou M, Kishiguchi T, Mogami H
No Shinkei Geka. 1986 Mar;14(3 Suppl):391-6.
Display of the specific anatomic derangements by high-resolution computed tomographic (= CT) scan provides an important basis for planning corrective surgery of lumbosacral lipoma. In this paper, analysis of four infants and a child with lumbosacral lipoma revealed following discrepancy between the image by CT scan and operative finding. Most of lipoma showed a sharply outlined area of low density (approximately -100 H.U.) in the CT scan. Lipoma in the spinal cord parenchym represented intermingled fatty and neural tissue. There were also relatively high density areas in some cases and correspondingly, there were very fibrous lipomas, which could be identified by microscopic histological examination. Although there was a general correlation between the site of lumbosacral skin abnormality and underlying intraspinal lesion, some case does not match perfectly. In conclusion, a removal of the lumbosacral lipoma for the tethering effect always preferable to a total extirpation even though with technological advances in operative magnification and surgical instrumentation and a removal of the compressing lamina is necessary for adequate decompression.
高分辨率计算机断层扫描（CT）显示的特定解剖结构紊乱为腰骶部脂肪瘤的矫正手术规划提供了重要依据。本文对4例婴儿和1例儿童腰骶部脂肪瘤的分析显示，CT扫描图像与手术发现之间存在以下差异。大多数脂肪瘤在CT扫描中显示为边界清晰的低密度区域（约-100 H.U.）。脊髓实质内的脂肪瘤表现为脂肪组织和神经组织相互交织。在某些情况下也存在相对高密度区域，相应地，存在非常纤维化的脂肪瘤，可通过显微镜组织学检查识别。尽管腰骶部皮肤异常部位与脊髓内潜在病变之间存在一般相关性，但有些病例并不完全匹配。总之，即使手术放大技术和手术器械有所进步，为解除栓系效应而切除腰骶部脂肪瘤总是比完全切除更可取，并且为了充分减压，切除压迫性椎板是必要的。
