We report a case of an anomalous pulmonary vein on chest X-ray resembling a scimitar sign in an 80-year-old female undergoing investigation of syncope.Multislice computed tomography(CT) with multiplanar reformatting a...We report a case of an anomalous pulmonary vein on chest X-ray resembling a scimitar sign in an 80-year-old female undergoing investigation of syncope.Multislice computed tomography(CT) with multiplanar reformatting and maximum intensity projections demonstrated an aberrant right inferior pulmonary vein coursing inferomedially towards the diaphragm before turning superiorly and draining normally into the left atrium.The diagnosis of an incidental meandering right pulmonary vein was established.The case is used to review the literature on this rare pulmonary anomaly,including pathogenesis,its relationship with scimitar syndrome and scimitar variant,and diagnosis,with an emphasis on the role modern CT techniques can play in noninvasive diagnosis.A revision to the nomenclature of pulmonary vascular anomalies is proposed to help reduce confusion in the literature.展开更多
This study examines whether the Three Links(3L)policy affected stock returns before,during and after the 2008 Taiwan leadership election.The evidence shows that companies in the industries benefitting from(being damag...This study examines whether the Three Links(3L)policy affected stock returns before,during and after the 2008 Taiwan leadership election.The evidence shows that companies in the industries benefitting from(being damaged by)the 3L policy earned posi-tive(negative)cumulative abnormal returns.Although the polit-ical party connection/affiliation seems to have had an impact as well,it was not persistent.When both factors–the policy effect and the political connection effect–are considered together,we find that the policy effect persisted during the election,while the political connection effect did not.It is obvious that the policy effect is a powerful factor explaining changes of stock returns during the 2008 leadership election in China’s Taiwan.展开更多
文摘We report a case of an anomalous pulmonary vein on chest X-ray resembling a scimitar sign in an 80-year-old female undergoing investigation of syncope.Multislice computed tomography(CT) with multiplanar reformatting and maximum intensity projections demonstrated an aberrant right inferior pulmonary vein coursing inferomedially towards the diaphragm before turning superiorly and draining normally into the left atrium.The diagnosis of an incidental meandering right pulmonary vein was established.The case is used to review the literature on this rare pulmonary anomaly,including pathogenesis,its relationship with scimitar syndrome and scimitar variant,and diagnosis,with an emphasis on the role modern CT techniques can play in noninvasive diagnosis.A revision to the nomenclature of pulmonary vascular anomalies is proposed to help reduce confusion in the literature.
文摘This study examines whether the Three Links(3L)policy affected stock returns before,during and after the 2008 Taiwan leadership election.The evidence shows that companies in the industries benefitting from(being damaged by)the 3L policy earned posi-tive(negative)cumulative abnormal returns.Although the polit-ical party connection/affiliation seems to have had an impact as well,it was not persistent.When both factors–the policy effect and the political connection effect–are considered together,we find that the policy effect persisted during the election,while the political connection effect did not.It is obvious that the policy effect is a powerful factor explaining changes of stock returns during the 2008 leadership election in China’s Taiwan.
