某男,45岁。近日发现粪便色黑,伴不规则上腹痛。近半年来明显消瘦。应首先考虑的是
A.消化性溃疡病
B.胆管感染合并出血
C.胃癌
D.血小板减少性紫癜
E.肝硬化
参考答案:C
患者女,65岁,因“腹胀、腰部不适”来诊。CT:左上腹部占位性病变。病变7.5cm×6.8cm,呈结节状。
对患者诊断为肾源性血管平滑肌脂肪瘤有指导意义的是()。
A.血尿
B.CD117(+)
C.HMB-45(+)
D.CD34(-)
E.S100P(-)
F.DES
He walked up and down the room for half an hour, _______ behind him.
A.with his hands clasping
B.his hands clasped
C.his hands were clasped
D.as his hands clasped