Tracheal autografts wrapped in one-side sternomastiod muscule flap and two-side sternohyoid muscle flap based on different pedicle was examined by MRI in forth week after operation.

• 以上方或下方为蒂的单侧胸骨乳突肌瓣和双侧胸骨舌骨肌瓣包裹自体移植气管在术后4周行MRI检查，移植气管结构完整，管腔通畅。早期增强率在上、下吻合口、中间部位无明显差异。