采用长回波链快速自旋回波序列和表面线圈的屏气磁共振胰胆管造影术在慢性胰腺炎中的应用
Breath-hold MR cholangiopancreatography with a long-echo-train fast spin-echo sequence and a surface coil in chronic pancreatitis.
作者信息
Takehara Y, Ichijo K, Tooyama N, Kodaira N, Yamamoto H, Tatami M, Saito M, Watahiki H, Takahashi M
机构信息
Department of Radiology, Seirei Mikatabara General Hospital, Hamamatsu, Japan.
出版信息
Radiology. 1994 Jul;192(1):73-8. doi: 10.1148/radiology.192.1.8208969.
PURPOSE
To assess heavily T2-weighted breath-hold magnetic resonance cholangiopancreatography (MRCP) for imaging the pancreatic duct in patients with chronic pancreatitis.
MATERIALS AND METHODS
Thirty-nine patients with chronic pancreatitis were examined with a breath-hold fast spin-echo (FSE) sequence employing an echo train length of 32 and with a surface coil. Results were compared with those of endoscopic retrograde cholangiopancreatography (ERCP).
RESULTS
MRCP showed the head, body, and tail of the pancreatic duct well in 79%, 64%, and 53% of cases, respectively. Agreement between MRCP and ERCP was 83%-92% in cases of ductal dilatation, 70%-92% in cases of ductal narrowing, and 92%-100% in cases of filling defects. Interobserver variation was low (kappa > 0.5) for most findings.
CONCLUSION
Breath-hold MRCP with an FSE technique depicts the pancreatic duct well in patients with chronic pancreatitis and demonstrates narrowing, dilatation, and filling defects with moderate to high accuracy.
目的
评估重度T2加权屏气磁共振胰胆管造影（MRCP）对慢性胰腺炎患者胰管成像的效果。
材料与方法
39例慢性胰腺炎患者采用回波链长度为32的屏气快速自旋回波（FSE）序列及表面线圈进行检查。将结果与内镜逆行胰胆管造影（ERCP）的结果进行比较。
结果
MRCP分别在79%、64%和53%的病例中清晰显示胰管头部、体部和尾部。在导管扩张病例中，MRCP与ERCP的一致性为83% - 92%；在导管狭窄病例中为70% - 92%；在充盈缺损病例中为92% - 100%。大多数结果的观察者间差异较低（kappa>0.5）。
结论
采用FSE技术的屏气MRCP能较好地显示慢性胰腺炎患者的胰管，并能以中到高度准确性显示狭窄、扩张和充盈缺损。
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