The imaging finding mostly manifested as malacia and chronic hemorrhagic foci.

损伤的表现主要为软化灶和陈旧出血改变。

Young age and laryngeal or tracheal-bronchial malacia are high-risk factors for complications .

婴儿及喉一气管支气管软化是并发症发生的高危因素。

Objective To observe the therapeutic and side effects of tracheal stents in tracheal stenosis caused by tracheal malacia and malignant tumours.

目的观察置入气管支架对良恶性气管狭窄的治疗效果及不良反应。

Bronchofiberoscopically, inflammation, tracheobronchial stenosis and tracheobronchial malacia are common in children with congenital heart disease.

炎症反应，气管或支气管狭窄，气管或支气管软化在先天性心脏病患儿中较为常见。

Results:There were 26 intraspinal extramedullary tumors, 4 intramedullary tumors, 11 myelitis, 3 localized ischemic necrosis or malacia of spinal cord.

结果：椎管内髓外肿瘤2 6例，髓内肿瘤4例，脊髓炎症11例，脊髓局限性坏死软化3例。

Conclusions tracheal stents can relieve symptoms and improve the life quality in patients with tracheal stenosis caused by malignant tumors or tracheal malacia.

结论气管支架对良恶性肿瘤引起的气管受压性狭窄，气管软化引起的气管狭窄，有良好的缓解症状，改善生活质量的作用。

Objective To investigate the clinical value of inverted Y-shaped metal stent implantation in treatment of relapsing polychondritis (RP) with tracheobronchial malacia.

目的探讨置入倒y形气道内支架治疗复发性多软骨炎(RP)气管软化的临床价值。

Conclusions Metallic intratracheal stent placement can really relieve symptoms and improve the life quality in patients with tracheobronchial malacia caused by relapsing polychondritis.

结论气管支架对复发性多软骨炎重度气管软化，有良好的缓解症状，改善生活质量的作用。

Brain injury in late period term infants mainly had cystoid alteration and atrophy in brain substance while preterm infants had mainly white matter malacia surrounding the brain ventricle.

晚期脑损伤足月儿以脑实质内囊腔样改变和脑萎缩改变为主，早产儿以脑室周匿白质软化为主。