本帖最后由 刘欣 于 2022-5-23 09:34 编辑
《每周一问》活动目的有二，其一是为了让大家更好的学习和交流，其二是增加获得奖励的机会。每周一专家发帖提问，同周五专家公布答案。期间答对问题的用户将获得奖励，奖励多少由专家视情况而定，宠医帮的专家出手都挺大方的。 选择题，单选： 一只9岁的被诊断为1级软组织肉瘤的大丹犬切除胫骨近端内侧15cm组织。随着时间的推移，手术部位部分闭合(PC)，部分保持开放愈合(PLO)。 如果切口的2个区域如所述愈合，每个区域将发生哪种类型的伤口愈合？ A 9-year-old spayed Great Dane was presented for excision of a 15-cm grade 1 soft tissue sarcoma on the medial aspect of the proximal tibia. The surgical site was partially closed (PC) and partially left open to heal (PLO) over time. If the 2 regions of the incision heal as described, what type of wound healing would occur in each area?
A.部分闭合(PC)涉及延迟一期闭合；部分开放愈合(PLO)是一期伤口闭合（一期愈合）。 B. PC是一期伤口闭合（一期愈合）；PLO涉及收缩和上皮化（二期愈合）。 C. PC是一期伤口闭合（一期愈合）；PLO是二期闭合（三期愈合）。 D. PC涉及收缩和上皮化（二期愈合）；PLO是二期闭合（三期愈合）。 A. Partially closed (PC) involves delayed primary closure; partially le! open to heal (PLO) is primary wound closure (first-intention healing). B. PC is primary wound closure (first-intention healing); PLO involves contraction and epithelialization (secondintention healing). C. PC is primary wound closure (first-intention healing); PLO is secondary closure (third-intention healing). D. PC involves contraction and epithelialization (secondintention healing); PLO is secondary closure (thirdintention healing). 回答 正确答案是B 缝合闭合切口时，伤口边缘对合，为一期愈合。因此，部分缝合以对合皮肤边缘的切口为一期伤口闭合或一期愈合。随着时间的推移，切口部分保持开放愈合，为二期愈合。随着时间的推移，发生收缩和上皮化的过程，导致伤口缓慢收缩，数周内愈合。二期闭合（三期愈合）通常在3-5天内形成肉芽组织。 When an incision is sutured closed, the wound edges are apposed and heal by first intention. Thus, sections of the incision that were partially sutured closed to appose the skin edges heal by primary wound closure, or first-intention healing. The section of incision left open to heal over time heals by second intention. With time, the process of contraction and epithelialization occurs, resulting in a slowly shrinking wound that heals over several weeks. Secondary closure (third-intention healing) involves closure after granulation tissue has formed, typically within 3 to 5 days. | 
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发表于 2022-4-18 11:00:24
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