Medicine on the stent is released slowly over time to stop the development of scar tissue . scar tissue can cause the artery to become narrow again 在支架上的药物慢慢地释放出来，以防止结痂。结痂可以使动脉再次变得狭窄。
Five days ( but usually 1 to 2 days ) before onset of rash and continuing until all lesions are crusted ( usually about 5 days after rash appears ) 从出现皮疹前五天(较常见为一至两天) ，至水痘水泡变乾、结痂为止(通常为出疹后五天) 。
As long as 5 days but usually 1 to 2 days before onset of rash and continuing until all lesions are crusted usually about 5 days after rash appears 最长可由患者出疹前五天较常见为一至两天，至水痘水泡变乾结痂为止通常为出疹后五天。
Avoid physical contact with the area from the time of the first symptoms ( tingling , itching , burning ) until all sores are completely healed , not just scabbed - over 从第一次症状（刺痛感、痒、灼烧感）开始就避免接触局部，直到疼痛感全部消失而不是仅仅结痂后。
The sick child should stay at home and be excluded from school or kindergarten for around 1 week or until the skin lesions crusted to prevent spreading the disease to others 患上水痘的儿童不应上学，应留在家中约一星期或直至所有水泡变乾、结痂为止，以免把病毒传染给校内其他同学。
Children who are ill should be kept out of school until their fever and rash have subsided and all the vesicles have dried and crusted . avoid going to overcrowded places . strict personal hygiene is of utmost importance 由于手足口病的传染性颇高，病童应留在家中，直至退热，口、手脚的溃疡及水泡结痂后才回校上课。
From first to last , in short , hester prynne had always this dreadful agony in feeling a human eye upon the token ; the spot never grew callous ; it seemed , on the contrary , to grow more sensitive with daily torture 简而言之，海丝特白兰始终感到被人们注视那标记的可怕的痛苦那地方不但众远不会结痂，相反看来还会随着逐日的折磨而变得益发敏感。
Children with hfmd should be excluded from schools or any group settings until fever has subsided and all the vesicular lesions have dried and crusted . this measure could help reduce the transmission of infection amongst children 患有手足口病的儿童应该避免上学或者参加团体活动，直至已经退烧以及身体上的水乾涸及结痂，这项措施可帮助减低手足口病在儿童中传播。
They are also more likely to develop in chronic ulcers and old scar tissue . squamous cell carcinoma starts as a small , firm painless lump most often found on the face , ear or back of the hand . this cancer enlarges fairly quickly and often ulcerates 这种癌症通常生于慢性溃疡及结痂的组织上，初期为细小结实无痛的肿块，最常出现于脸、耳及手背位置，生长得颇快，常会溃疡
Within 72 hours of starting igi treatment , her lesions began to scab oer , and serum collected on march 8 was immunoglobulin g and immunoglobulin m negatie , indicating that she had not yet deeloped an antiorthopoxirus humoral immune response 开始静脉输入牛痘免疫球蛋白治疗的72小时内，皮损开始结痂， 3月8日其血清检测免疫球蛋白g和免疫球蛋白m阴性，表明还没有引起抗痘苗病毒的体液免疫应答。
