本文選題：嬰兒　切入點(diǎn)：新生　出處：《中國(guó)醫(yī)學(xué)影像技術(shù)》2016年11期 　論文類型：期刊論文

【摘要】：目的探討MSCT增強(qiáng)掃描在嬰兒肝臟血管內(nèi)皮細(xì)胞瘤中的應(yīng)用價(jià)值。方法回顧性分析9例嬰兒肝臟血管內(nèi)皮細(xì)胞瘤的CT表現(xiàn),包括形態(tài)與分布、病灶大小、密度、病灶邊緣、強(qiáng)化特點(diǎn)及有無(wú)動(dòng)脈靜脈瘺。結(jié)果腫塊呈圓形或類圓形,單發(fā)5例,局限于單側(cè)肝葉,最大徑15~106mm,平均(51.40±31.53)mm;多發(fā)4例,彌漫分布于肝左、右葉,最大徑12~99 mm,平均(45.75±32.89)mm;2例平掃呈等密度,7例呈低密度;CT值25~46 HU,平均(37.78±22.17)HU,2例腫塊內(nèi)有條狀、點(diǎn)狀鈣化。單發(fā)病灶邊緣欠清楚,多發(fā)病灶邊緣清晰。增強(qiáng)掃描動(dòng)脈期7例病灶邊緣呈花瓣?duì)睢⒔Y(jié)節(jié)狀明顯強(qiáng)化,內(nèi)部呈條狀、結(jié)節(jié)狀強(qiáng)化,CT值139~263 HU,平均(188.89±98.42)HU,與主動(dòng)脈密度相似;2例完全強(qiáng)化。門靜脈期對(duì)比劑逐漸向中心填充。平衡期除2例不完全填充外,7例完全填充,呈等密度或稍高密度。7例動(dòng)脈期門靜脈同時(shí)顯影,2例肝靜脈與肝動(dòng)脈同期顯影;血管VR見(jiàn)肝靜脈與病變連接呈"棒棒糖"樣。結(jié)論平衡期腫瘤完全充填對(duì)比劑是嬰兒血管內(nèi)皮細(xì)胞瘤特征性強(qiáng)化表現(xiàn),增強(qiáng)CT對(duì)發(fā)現(xiàn)其并發(fā)癥肝動(dòng)脈-肝靜脈瘺、肝動(dòng)脈-門靜脈瘺有重要意義。
[Abstract]:Objective to evaluate the value of MSCT enhanced scanning in the diagnosis of hepatic angioendothelioma in infants. Methods CT findings of 9 cases of infantile hepatic hemangioendothelioma were retrospectively analyzed, including morphology and distribution, size, density and edge of the lesion. Results the tumor was round or round in 5 cases, limited to the unilateral lobe with a maximum diameter of 151.40 鹵31.53 mm, multiple in 4 cases, distributed in the left and right lobes of the liver. The maximum diameter was 125.75 鹵32.89 mm, with a mean of 45.75 鹵32.89 mm in 2 cases. The CT value was 2546 HUU in 7 cases of plain scan, and the mean value was 37.78 鹵22.17 HUU in 2 cases with calcification and calcification. The margin of single lesion was not clear. The edge of multiple lesions was clear. In arterial phase, 7 cases showed petal, nodular enhancement and stripe inside. The CT value of nodular enhancement was 139 ~ 263 HUU, with an average of 188.89 鹵98.42 HUU. The density of the aorta was similar to that of the aorta in 2 cases with complete enhancement. Portal vein phase contrast agent was gradually filled into the center. In the equilibrium phase, 7 cases were completely filled except 2 cases without complete filling. The portal vein showed isodensity or slightly high density in 7 cases, and hepatic vein was developed simultaneously with hepatic artery in 2 cases. Conclusion the complete tumor filling contrast agent in balanced phase is the characteristic enhancement of angioendothelioma in infants, and contrast-enhanced CT is useful in detecting hepatic arterial-hepatic vein fistula. Hepatic arteriovenous fistula is of great significance.
【作者單位】： 中山市博愛(ài)醫(yī)院影像中心;中山市博愛(ài)醫(yī)院急診科;
【分類號(hào)】：R735.7;R730.44

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