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Successful introduction of modified dorsolumbar epidural anesthesia in a bovine referral cent
Inhyung Lee,Miho Hiraoka,Toshiharu Miyagawa,Hayato Kobayashi,Toshihiko Takahashi,Hiroaki Kishi,Hiroshi Kobayashi 대한수의학회 2007 Journal of Veterinary Science Vol.8 No.2
This study describes the successful use of modified dorsolumbar epidural anesthesia with a fixed volume of anesthetic in a bovine referral center. Among the 130 Holstein cattle scheduled for flank surgery, 90 cattle received a mixed anesthetic consisting of 1 ml of xylazine hydrochloride and 3 ml of lidocaine hydrochloride by modified dorsolumbar epidural anesthesia. Eighteen cattle with dehydration and/or lameness received a mixed anesthetic containing 0.5 ml of xylazine and 3 ml of lidocaine. Infiltration anesthesia was performed in 22 cattle whose epidural space could not be reached in order to perform the flank surgery. The surgeries began about 12 min after the administration of the anesthetic and lasted for about 36 min. The modified method using a fixed volume of anesthetic was successfully introduced and effectively used in a bovine referral center. This modified method will allow veterinarians to save time and effort, thus lowering the cost of each surgery.
TP53 variants in p53 signatures and the clonality of STICs in RRSO samples
Tomoko Akahane,Kenta Masuda,Akira Hirasawa,Yusuke Kobayashi,Arisa Ueki,Miho Kawaida,Kumiko Misu,Kohei Nakamura,Shimpei Nagai,Tatsuyuki Chiyoda,Wataru Yamagami,Shigenori Hayashi,Fumio Kataoka,Kouji Ban 대한부인종양학회 2022 Journal of Gynecologic Oncology Vol.33 No.4
Objective: Precursor lesions may be identified in fallopian tube tissue after risk-reducing salpingo-oophorectomy (RRSO) in patients with pathogenic variants of . Serous tubal intraepithelial carcinoma (STIC) is considered a precursor of high-grade serous carcinoma, whereas the significance of the p53 signature remains unclear. In this study, we investigated the relationship between the p53 signature and the risk of ovarian cancer. Methods: We analyzed the clinicopathological findings and conducted DNA sequencing for variants of p53 signatures and STIC lesions isolated using laser capture microdissectionin 13 patients with pathogenic variants of who underwent RRSO and 17 control patients with the benign gynecologic disease. Results: pathogenic variants were detected significantly higher in RRSO group than control (p<0.001). No difference in the frequency of p53 signatures were observed between groups (53.8% vs 29.4%; p=0.17). sequencing and next-generation sequencing analysis in a patient with STIC and occult cancer revealed 2 mutations causing different p53 staining for STICs and another mutation shared between STIC and occult cancer. Conclusion: The sequence analysis for revealed 2 types of p53 signatures, one with a risk of progression to STIC and ovarian cancer with pathological variants in and the other with a low risk of progression without pathological variants in as seen in control.