中华放射学杂志
中華放射學雜誌
중화방사학잡지
Chinese Journal of Radiology
2009年
7期
735-738
,共4页
陈青华%王振常%鲜军舫%田其昌%燕飞%杨本涛%刘中林
陳青華%王振常%鮮軍舫%田其昌%燕飛%楊本濤%劉中林
진청화%왕진상%선군방%전기창%연비%양본도%류중림
脉络膜肿瘤%血管瘤%磁共振成像
脈絡膜腫瘤%血管瘤%磁共振成像
맥락막종류%혈관류%자공진성상
Choroid neoplasm%Hemangioma%Magnetic resonance imaging
目的 探讨眼脉络膜血管瘤的常规及动态增强MRI表现.方法 回顾性分析30例(31只眼共32个病灶)经临床、眼底相及荧光血管造影确诊的脉络膜血管瘤的MRI资料,其中行平扫和常规增强扫描30例,行动态增强扫描26例,观察各个序列MRI表现,计算动态增强曲线参数.结果 32个脉络膜血管瘤病灶中,位于视乳头颞侧26个病灶,呈梭形28个病灶;与玻璃体信号相比,T1WI呈等信号23个病灶,T2研呈等信号31个病灶;增强后明显强化32个病灶,强化均匀31个病灶,不均匀1个病灶,伴视网膜脱离18只眼;动态增强扫描出现填充征12个病灶,时间-信号曲线呈速升缓降型28个病灶,峰值时问为(91.00±25.27)s,上升斜率为3.03±1.13,流出率中位数为17.06%,强化率为2.87±0.79.结论 脉络膜血管瘤MRI现病灶形态、信号及动态增强具有一定特点,能为临床诊断和治疗方案制定提供重要信息.
目的 探討眼脈絡膜血管瘤的常規及動態增彊MRI錶現.方法 迴顧性分析30例(31隻眼共32箇病竈)經臨床、眼底相及熒光血管造影確診的脈絡膜血管瘤的MRI資料,其中行平掃和常規增彊掃描30例,行動態增彊掃描26例,觀察各箇序列MRI錶現,計算動態增彊麯線參數.結果 32箇脈絡膜血管瘤病竈中,位于視乳頭顳側26箇病竈,呈梭形28箇病竈;與玻璃體信號相比,T1WI呈等信號23箇病竈,T2研呈等信號31箇病竈;增彊後明顯彊化32箇病竈,彊化均勻31箇病竈,不均勻1箇病竈,伴視網膜脫離18隻眼;動態增彊掃描齣現填充徵12箇病竈,時間-信號麯線呈速升緩降型28箇病竈,峰值時問為(91.00±25.27)s,上升斜率為3.03±1.13,流齣率中位數為17.06%,彊化率為2.87±0.79.結論 脈絡膜血管瘤MRI現病竈形態、信號及動態增彊具有一定特點,能為臨床診斷和治療方案製定提供重要信息.
목적 탐토안맥락막혈관류적상규급동태증강MRI표현.방법 회고성분석30례(31지안공32개병조)경림상、안저상급형광혈관조영학진적맥락막혈관류적MRI자료,기중행평소화상규증강소묘30례,행동태증강소묘26례,관찰각개서렬MRI표현,계산동태증강곡선삼수.결과 32개맥락막혈관류병조중,위우시유두섭측26개병조,정사형28개병조;여파리체신호상비,T1WI정등신호23개병조,T2연정등신호31개병조;증강후명현강화32개병조,강화균균31개병조,불균균1개병조,반시망막탈리18지안;동태증강소묘출현전충정12개병조,시간-신호곡선정속승완강형28개병조,봉치시문위(91.00±25.27)s,상승사솔위3.03±1.13,류출솔중위수위17.06%,강화솔위2.87±0.79.결론 맥락막혈관류MRI현병조형태、신호급동태증강구유일정특점,능위림상진단화치료방안제정제공중요신식.
Objective To characterize the regular and the dynamic contrast enhancement MR imaging in choroidal hemangioma.Methods MR imaging findings of 30 cases (31eyes, 32 lesions) with choroidal hemangioma confirmed by follow-up results were retrospectively analyzed.Among them, postcontrasted T1-weighted imaging was performed in 30 patients and dynamic contrast enhancement scanning was performed in 26 cases.MRI findings and the time-intensity curve of dynamic contrast enhancement were analyzed.Results Among the 32 choroidal hemangiomas, 26 of them were at the temporal side of optic disc and 28 lesions were fusiform.Before enhancement, 23 lesions showed isointense T1-weighted signal and 31 lesions were isointense on T2-weighted imaging.All the lesions showed strong enhancement on postcontrast T1-weighted imaging, including 31 homogenously enhanced lesions and one heterogeneously enhanced lesion.Retinal detachments were found in 18 eyes.Fill-in sign were observed in 12 lesions during dynamic contrast enhancement.The time-intensity curve of dynamic contrast enhancement in 28 lesions suggested a pattern with rapid enhancement and slow washout, time to peak (91.00±25.27) s, slope ratio 3.03±1.13, the median of washout ratio 17.06%, enhancement ratio 2.87±0.79.Conclusion MRI showed a few features of the location, shape, signal characteristics, and enhancement pattern in choroidal hemangioma, which may contribut to diagnosis and treatment plan of this disease.
