新生血管的形成是肿瘤生长和转移表达肿瘤生物学特征的基础。
New vessels is the base of the growth and metastasis of tumor.
目的：探讨颈动脉间隙肿瘤的MRI影象特征及其病理、解剖学基础和诊断价值。
Purpose: To study the MRI features of the carotid space tumors and their pathologic changes and anatomical positions.
大肠癌的早期诊断至今仍然是消化道肿瘤诊断学方面尚未完全解决的问题，为近年来临床及基础研究的热点。
The early diagnosis of cancer of colon is the suspending question in the diagnosis of cancer of digestive tract till now, which is also the hot spot of preclinical and clinical study in recent years.
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