Life-threatening hemorrhage rarely occurs from the portal vein following blunt hepatic trauma.Traditionally,severe portal bleeding in this setting has been controlled by surgical techniques such as packing,ligation,an...Life-threatening hemorrhage rarely occurs from the portal vein following blunt hepatic trauma.Traditionally,severe portal bleeding in this setting has been controlled by surgical techniques such as packing,ligation,and venorrhaphy.The presence of portal hypertension could potentially increase the amount of hemorrhage in the setting of blunt portal vein trauma making it more difficult to control.This case series describes the use of indirect carbon dioxide portography to identify portal hemorrhage.Furthermore,these cases illustrate attempted endovascular treatment utilizing a transjugular intrahepatic portosystemic shunt in one scenario and transmesocaval shunt coiling of a jejunal varix in the other.展开更多
Congenital airway anomalies can be asymptomatic or may cause severe respiratory distress requiring immediate treatment.These anomalies can present early in life,or may be just incidental findings.It is important to re...Congenital airway anomalies can be asymptomatic or may cause severe respiratory distress requiring immediate treatment.These anomalies can present early in life,or may be just incidental findings.It is important to recognize these entities to realize their clinical significance and to avoid false diagnosis.In this article, the various congenital airway anomalies and their imaging features by multidetector computed tomography (MDCT)are reviewed in order of occurrence during the embryological timeline.This pictorial essay reviews the various distinct congenital airway lesions and their MDCT manifestations.It also provides insight into the embryological basis of the congenital airway lesions encountered.展开更多
文摘Life-threatening hemorrhage rarely occurs from the portal vein following blunt hepatic trauma.Traditionally,severe portal bleeding in this setting has been controlled by surgical techniques such as packing,ligation,and venorrhaphy.The presence of portal hypertension could potentially increase the amount of hemorrhage in the setting of blunt portal vein trauma making it more difficult to control.This case series describes the use of indirect carbon dioxide portography to identify portal hemorrhage.Furthermore,these cases illustrate attempted endovascular treatment utilizing a transjugular intrahepatic portosystemic shunt in one scenario and transmesocaval shunt coiling of a jejunal varix in the other.
文摘Congenital airway anomalies can be asymptomatic or may cause severe respiratory distress requiring immediate treatment.These anomalies can present early in life,or may be just incidental findings.It is important to recognize these entities to realize their clinical significance and to avoid false diagnosis.In this article, the various congenital airway anomalies and their imaging features by multidetector computed tomography (MDCT)are reviewed in order of occurrence during the embryological timeline.This pictorial essay reviews the various distinct congenital airway lesions and their MDCT manifestations.It also provides insight into the embryological basis of the congenital airway lesions encountered.
