Wang Weifan is a member of the standing committee of the China Christian Council, and a Christian theology education professor. He recently discovered that several Eastern Han Dynasty museum exhibits in the Jiangsu Xu...Wang Weifan is a member of the standing committee of the China Christian Council, and a Christian theology education professor. He recently discovered that several Eastern Han Dynasty museum exhibits in the Jiangsu Xuzhou Han Dynasty Stone Carving Museum include depictions of the bible and of展开更多
BACKGROUND Extragonadal yolk sac tumors(YSTs)are rare,with only a low reported tumor occurrence outside the gonads locally and abroad.Extragonadal YSTs are usually a diagnostic challenge,because they are infrequent,bu...BACKGROUND Extragonadal yolk sac tumors(YSTs)are rare,with only a low reported tumor occurrence outside the gonads locally and abroad.Extragonadal YSTs are usually a diagnostic challenge,because they are infrequent,but also because a thoughtful and detailed differential diagnostic process must be performed.CASE SUMMARY Here we present a case of an abdominal wall YST in a 20-year-old woman admitted with a tumor in the lower abdomen close to the umbilicus.The tumorectomy was performed.The histological examination revealed characteristic findings such as Schiller-Duval bodies,loose reticular structures,papillary structures,and eosinophilic globules.According to the immunohistochemical staining,the tumor tissue was positive for broad-spectrum cytokeratin,Spalt-like transcription factor 4,glypican-3,CD117,and epithelial membrane antigen.Based on the clinical information,histological features,and immunohistochemical staining profile,the tumor was diagnosed as a YST present in the abdominal wall.CONCLUSION Based on the clinical information,histological features,and immunohistochemical staining profile described above,the tumor was diagnosed as a primary YST in the abdominal wall.展开更多
本文通过对三义黄土剖面孢粉资料的分析,初步重建了内蒙克旗地区16000 a以来植被及环境的变迁过程.约16 010～15 380 aBP,植被稀疏,气候寒冷而干燥;约15 380～11270 a B P,植被以草本植物为主,气候变得更加干旱;约11270～9 940 a B P,...本文通过对三义黄土剖面孢粉资料的分析,初步重建了内蒙克旗地区16000 a以来植被及环境的变迁过程.约16 010～15 380 aBP,植被稀疏,气候寒冷而干燥;约15 380～11270 a B P,植被以草本植物为主,气候变得更加干旱;约11270～9 940 a B P,气候总体上由先前的冷干开始向暖湿方向发展,植被仍以草原为主;约9 940～2 320 a B P,植被得到进一步发展,气候表现出温暖湿润的特征;约2 320 a B P至今,植被仍以草原为主,气候向温凉方向发展.展开更多
文摘Wang Weifan is a member of the standing committee of the China Christian Council, and a Christian theology education professor. He recently discovered that several Eastern Han Dynasty museum exhibits in the Jiangsu Xuzhou Han Dynasty Stone Carving Museum include depictions of the bible and of
基金Supported by National Natural Science Foundation of China(Grant No.82103624 to Wang Y)Horizontal Project of Jinzhou Medical University(Grant No.STC-2S21094 to Yang J).
文摘BACKGROUND Extragonadal yolk sac tumors(YSTs)are rare,with only a low reported tumor occurrence outside the gonads locally and abroad.Extragonadal YSTs are usually a diagnostic challenge,because they are infrequent,but also because a thoughtful and detailed differential diagnostic process must be performed.CASE SUMMARY Here we present a case of an abdominal wall YST in a 20-year-old woman admitted with a tumor in the lower abdomen close to the umbilicus.The tumorectomy was performed.The histological examination revealed characteristic findings such as Schiller-Duval bodies,loose reticular structures,papillary structures,and eosinophilic globules.According to the immunohistochemical staining,the tumor tissue was positive for broad-spectrum cytokeratin,Spalt-like transcription factor 4,glypican-3,CD117,and epithelial membrane antigen.Based on the clinical information,histological features,and immunohistochemical staining profile,the tumor was diagnosed as a YST present in the abdominal wall.CONCLUSION Based on the clinical information,histological features,and immunohistochemical staining profile described above,the tumor was diagnosed as a primary YST in the abdominal wall.
文摘本文通过对三义黄土剖面孢粉资料的分析,初步重建了内蒙克旗地区16000 a以来植被及环境的变迁过程.约16 010～15 380 aBP,植被稀疏,气候寒冷而干燥;约15 380～11270 a B P,植被以草本植物为主,气候变得更加干旱;约11270～9 940 a B P,气候总体上由先前的冷干开始向暖湿方向发展,植被仍以草原为主;约9 940～2 320 a B P,植被得到进一步发展,气候表现出温暖湿润的特征;约2 320 a B P至今,植被仍以草原为主,气候向温凉方向发展.
