F-18 FDG PET scan of a metastatic pineoblastoma.
F-18 FDG PET scan of a metastatic pineoblastoma.
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转移性松果体母细胞瘤的 F-18 FDG PET 扫描。
DOI：
10.1097/00003072-199903000-00018
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发表时间：
1999
影响因子：
10.6
通讯作者：
S. Larsson
中科院分区：
文献类型：
--
作者：
S. Bakheet;M. Hassounah;J. Al;M. Homsi;J. Powe;S. Larsson
一个5岁的男孩有阻塞性脑积水继发于部分钙化的松果体质量可视化脑CT。MRI显示松果体肿瘤、单独的鞍上肿块以及脑干和颈脊髓的软脑膜均匀增强。F-18 FDG PET扫描显示所有病变的葡萄糖摄取增加。松果体肿瘤活检提示为松果体母细胞瘤。松果体母细胞瘤的CT和MRI表现无特异性，不能区分不同类型的松果体实质肿瘤。F-18 FDG PET扫描可能有助于对一些困难病例进行分类，因为由于葡萄糖代谢增加，恶性类型中预期F-18 FDG摄取水平较高。PET扫描也可用于确定中等分化肿瘤的恶性程度。
A 5-year-old boy had obstructive hydrocephalus secondary to a partially calcified pineal mass visualized by brain CT. An MRI showed homogenous enhancement of a pineal gland tumor, a separate suprasellar mass, and the leptomeninges of the brain stem and cervical spinal cord. F-18 FDG PET scan showed increased glucose uptake in all lesions. Biopsy of this pineal tumor indicated pineoblastoma. The CT and MRI features of pineoblastoma are nonspecific and cannot distinguish the various types of pineal parenchymal tumors. F-18 FDG PET scans could be helpful in classifying some difficult cases, because higher levels of F-18 FDG uptake would be expected in the malignant types because of increased glucose metabolism. PET scans could also be useful in determining the degree of malignancy in those tumors with intermediate differentiation.