| 唐少珊,王丹,高金梅,富崴,刘守君.胰腺实性假乳头状瘤的超声及超声造影表现[J].中国医学影像技术,2009,25(9):1635~1637 |
| 胰腺实性假乳头状瘤的超声及超声造影表现 |
| Solid pseudopapillary tumor of the pancreas: imaging features in ultrasound and contrast-enhanced ultrasound |
| 投稿时间：2008-12-09 修订日期：2009-03-30 |
| DOI： |
| 中文关键词: 胰腺肿瘤 超声检查 超声造影 |
| 英文关键词:Pancreatic neoplasms Ultrasonography Contrast-enhancement ultrasound |
| 基金项目:辽宁省教育厅科学研究基金(2008795)。 |
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| 中文摘要: |
| 目的 探讨胰腺实性假乳头状瘤的超声及超声造影表现。方法 分析20例经手术病理证实的胰腺实性假乳头状瘤的超声表现,对其中4例的超声造影表现进行探讨。结果 胰腺实性假乳头状瘤多发生于年轻女性。肿瘤体积较大,边界清晰,多数有包膜。病变呈囊实混合或呈实性肿块。少数病例可见较粗大钙化。肿瘤可发生于胰腺的任何部位,但以胰头多见。4例造影病例于动脉相肿物边缘均可见包膜样环状等增强。其中3例动脉相肿瘤内部呈不均匀低增强伴无增强区,静脉相造影剂消退呈明显低增强;1例动脉相肿瘤内部无明显增强,病理示肿瘤组织绝大部分坏死。结论 胰腺实性假乳头状瘤有其特征性的超声和超声造影表现,超声造影能更准确地反映其组织学特征。 |
| 英文摘要: |
| Objective To observe imaging features of solid pseudopapillary tumor (SPT) of the pancreas with ultrasound (US) and contrast-enhanced ultrasound (CEUS). Methods Twenty patients of SPTs confirmed with pathology underwent US examination, and 4 of them underwent CEUS. Results Young females were relatively prone to develop SPT mostly. Tumors located mainly at head of pancreas. SPT appeared as a large, well-defined lesion with capsule, while cystic-solid masses or solid masses were showed, and macro-calcification was detected in 2 patients on US. On CEUS, peripheral rim iso-enhancement in the early arterial phase was noticed in all 4 patients. SPT showed heterogeneous hypo-enhancement with non-enhancement area in the arterial phase and hypo-enhancement because of clearance of contrast media in the venous phase in 3 of them, and the rest one appeared as non-enhancement inside in the arterial phase with most tumor tissue necrosis showed on pathological examination. Conclusion SPT has special US and CEUS characteristics. CEUS can reflect pathologic features of SPT more accurately. |
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