Damage to the perineum, vulva, anal sphincters, rectal wall and the fascial structures of the pelvic floor may be caused by obstetric trauma. Emergency surgical treatment aims at control of the bleeding, anatomical reconstruction of the disrupted tissues and minimization of the risk of infection. Suturing of the rectal wall and mucosa of the anal canal is followed by reconstruction of the perineal body internal and external anal sphincters, vulva and the perineum. Delayed surgery is undertaken after the complete healing of the obstetric tear. All cicatricial fibers must be saved to reinforce sphincters and perineal body muscles suturing. Anal levators and perineal transvers muscles suturing is used for the rectovaginal septum and pelvic floor reconstruction. Anal sphincters are reconstructed by the 'overlapping' technique. X en Z suturing is used for a perineal skin plasty.
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http://dx.doi.org/10.17772/gp/1783 | DOI Listing |
J Infect Chemother
January 2025
AIDS Clinical Center, National Center for Global Health and Medicine, Tokyo, Japan.
Objective: This study investigated the efficacy and safety of electrocautery ablation for high-grade squamous intraepithelial lesions (HSILs) in men who have sex with men (MSM) including people with human immunodeficiency virus, using comprehensive biopsy with high-resolution anoscopy (HRA).
Methods: This single-arm, open-label pilot study included 20 MSM with HSIL who were treated with electrocautery ablation. The participants were recruited from the National Center for Global Health and Medicine and followed up using HRA with a comprehensive biopsy approach at 3- and 6-months post-ablation.
Clin J Gastroenterol
January 2025
Division of Endoscopy, Shizuoka Cancer Center, 1007 Shimonagakubo, Nagaizumi-Cho, Sunto-Gun, Shizuoka, 411-8777, Japan.
Anal canal cancer (ACC) is a rare yet noteworthy malignancy that is strongly associated with high-risk human papillomaviruses (HPVs). This case report highlights the diagnostic utility of endocytoscopy (EC) in distinguishing high-grade squamous intraepithelial lesions (HSILs) from low-grade lesions (LSILs) in a 57-year-old male presenting with hematochezia. Traditional magnifying endoscopy was inconclusive; however, EC provided detailed visualization of cellular and vascular changes, facilitating a diagnosis of HPV-associated HSIL or carcinoma in situ.
View Article and Find Full Text PDFCancer Diagn Progn
January 2025
Department of Gastroenterological Surgery, Osaka International Medical and Science Center, Osaka Keisatsu Hospital, Osaka, Japan.
Background/aim: Perianal Paget's disease (PPD) is an intraepithelial invasion of the perianal skin that is frequently associated with anorectal carcinoma. Rectal canal carcinoma with Pagetoid spread (PS) is a relatively rare disease, and few reports on its outcomes are available. The relatively rare nature of this disease makes the development of treatment recommendations difficult.
View Article and Find Full Text PDFAm J Physiol Gastrointest Liver Physiol
January 2025
Wake Forest Institute for Regenerative Medicine, Wake Forest Baptist Medical Center, Winston-Salem, North Carolina, USA.
This study aimed to determine if local injection of CXCL12 reduces sphincter fibrosis, restores sphincter muscle content, vascularization, and innervation, and recruits progenitor cells in a rabbit model of anal sphincter injury and incontinence. Adult female rabbits were assigned to 3 groups: uninjured/no treatment (control), injured/treated (treated), and injured/no treatment (untreated) (n=4 each). Injured groups were anesthetized and a section of external anal sphincter was removed at the 9:00 o'clock position.
View Article and Find Full Text PDFPLoS One
December 2024
Joint Biobank, Office of Human Research, Taipei Medical University, Taipei, Taiwan.
Few studies have demonstrated the interplay between human immunodeficiency virus (HIV), anal human papillomavirus (HPV), and anal microbiota, especially in persons living with HIV who are men who have sex with men. We, therefore, explored these interrelationships in a cohort of persons living with HIV, mainly comprising men who have sex with men. HPV genotyping using a commercial genotyping kit and ThinPrep cytology interpreted by Bethesda systems was performed on samples from 291 patients.
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