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Re-epithelialization resulted from prostate basal cells in canine prostatic urethra may represent the ideal healing method after two-micron laser resection of the prostate

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Asian Journal of Andrology 2015年第5期17卷 831-838,I0010-I0011页

作者： Ying Cao Guang-Heng Luo Lei Luo Xiu-Shu Yang Jian-Xin Hu Hua Shi Ping Huang Zhao-Lin Sun Shu-Jie Xia Department of Urology Shanghai First People's Hospital Shanghai Jiaotong University Shanghai 200080 China Department of Urology Guizhou Provincial People's Hospital Guiyang 550002 China Department of Pathology Guizhou Provincial People's Hospital Guiyang 550002 China

The purpose of this study is to characterize the re-epithelialization of wound healing in canine prostatic urethra and to evaluate the effect of this re-epithelialization way after two-micron laser resection of the prostate （TmLRP）. TmLRP and partial bladder neck mucosa were performed in 15 healthy adult male crossbred canines. Wound specimens were harvested at 3 days, and 1, 2, 3, and 4 weeks after operation, respectively. The histopathologic characteristics were observed by hematoxylin and eosin staining. The expression of cytokeratin 14 （CK14）, CK5, CK18, synaptophysin （Syn）, chromogranin A （CgA）, uroplakin, transforming growth factor-β1 （TGF-β1）, and TGF-β type Ⅱ receptor in prostatic urethra wound were examined by immunohistochemistry and real-time polymerase chain reaction, respectively. Van Gieson staining was performed to determine the expression of collagen fibers in prostatic urethra and bladder neck would. The results showed that the re-epithelialization of the prostatic urethra resulted from the mobilization of proliferating epithelial cells from residual prostate tissue under the wound. The proliferating cells expressed CK14, CK5, but not CK18, Syn, and CgA and re-epithelialize expressed uroplakin since 3 weeks. There were enhanced TGF-β1 and TGF-β type Ⅱ receptor expression in proliferating cells and regenerated cells, which correlated with specific phases of re-epithelialization. Compared with the re-epithelialization of the bladder neck, re-epithelialization of canine prostatic urethra was faster, and the expression of collagen fibers was relatively low. In conclusion, re-epithelialization in canine prostatic urethra resulted from prostate basal cells after TmLRP and this re-epithelialization way may represent the ideal healing method from anatomic repair to functional recovery after injury.

关键词： basal cell benign prostate hyperplasia re-epithelialization two-micron laser wound healing

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Nasal sill reconstruction with the Abbe flap after skin cancer resection:A case report

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Chinese Journal of Plastic and Reconstructive Surgery 2023年第2期5卷 64-67页

作者： Renata Fernanda Ramos Marcante Oona Tomiê Daronch Murilo Sgarbi Secanho Maria Madalena Silva Department of Plastic Surgery State University of Sao PauloBotucatuSao Paulo 18618-687Brazil

Local flaps are widely known as the best option for partial nasal reconstructions depending on donor tissue laxity,vascularization,and defect shape and *** nasolabial flap is used more often in the nasal *** larger defects,greater tissue mobilization with larger scars or free flaps is ***,the Abbe flap has been used for lip reconstruction in patients with cleft lip *** allows less retraction than other local flaps or skin grafts in patients with large defect sizes and great defect *** study reported on the application of the Abbe flap for nasal sill reconstruction on a 71-year-old female patient with nasal sill basal cell carcinoma who had undergone resection surgery with a posterior lip switch operation with satisfactory *** application of the Abbe flap could be considered in patients with multiple previous surgeries and at risk for necrosis.

关键词： Surgical flaps Myocutaneous flap Nose Nasal diseases Nasal defects Neoplasms basal cell

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