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Objective: To review the Anorectal Malformation Network experience with perineal groove (PG) focusing on its clinical characteristics and management., Study Design: Data on patients with PG managed at 10 participating Anorectal Malformation Network centers in 1999-2019 were collected retrospectively by questionnaire., Results: The cohort included 66 patients (65 females) of median age 1.4 months at diagnosis. The leading referral diagnosis was anal fissure (n = 20 [30.3%]): 23 patients (34.8%) had anorectal malformations. Expectant management was practiced in 47 patients (71.2%). Eight (17%) were eventually operated for local complications. The median time to surgery was 14 months (range, 3.0-48.6 months), and the median age at surgery was 18.3 months (range, 4.8-58.0 months). In the 35 patients available for follow-up of the remaining 39 managed expectantly, 23 (65.7%) showed complete or near-complete self-epithelization by a mean age 15.3 months (range, 1-72 months) and 4 (11.4%) showed partial self-epithelization by a mean age 21 months (range, 3-48 months). Eight patients showed no resolution (5 were followed for ≤3 months). Nineteen patients (28.7%) were primarily treated with surgery. In total, 27 patients were operated. Dehiscence occurred in 3 of 27 operated patients (11.1%)., Conclusions: PG seems to be an underestimated anomaly, frequently associated with anorectal malformations. Most cases heal spontaneously; therefore, expectant management is recommended. When associated with anorectal malformations requiring reconstruction, PG should be excised in conjunction with the anorectoplasty., (Copyright © 2020 Elsevier Inc. All rights reserved.)

Aim: Perineal hemangiomas rarely occur in patients with anorectal malformations (ARMs), but they can pose a significant challenge and warrant special attention. Surgical incision of posterior sagittal anorectoplasty (PSARP) may involve the hemangioma site resulting in hemorrhage, damage to blood supply, leading to complications and adversely affecting outcome. The aim of this study was to review the experience of the ARM-Net Consortium in the management of perineal hemangioma associated with ARM and evaluate treatment strategies., Materials and Methods: Data on all patients with ARM and a perineal hemangioma located in the planes of the PSARP dissection who were managed at participating ARM-Net centers were collected retrospectively by questionnaire, as follows: ARM type, hemangioma distribution and penetration, imaging findings, medical/surgical management, timing of definitive repair, complications and outcome., Results: Ten patients from eight centers were included. Three patients each had a rectobulbar or rectovestibular fistula, 2 had a rectoperineal fistula, and one had a rectoprostatic fistula; in one patient, the hemangioma was too disfiguring to determine malformation type. Mean follow-up time was 36.6 months (median 29 months). Colostomies were performed before definitive repair in 8 patients. Five patients received systemic beta-blockers before PSARP: 3 were operated uneventfully following partial/complete involution of the hemangioma, and 2 are awaiting surgery. The two patients with rectoperineal fistula were managed expectantly. The remaining 3 patients underwent surgery with no preoperative medical treatment, and all had complications: mislocated neoanus in three and complete perineal dehiscence in one., Conclusion: Attempting PSARP in the presence of a perineal hemangioma may lead to complications and adversely affect outcome. This study confirms the benefits of beta blocker treatment before surgical reconstruction., Level of Evidence: Treatment study, level III., (Copyright © 2019 Elsevier Inc. All rights reserved.)

Introduction: Anorectal injuries in children are not frequently reported and their management is challenging. This report reviews the experience in managing this type of injuries in two medical centers over 20 years., Methods: An institutional database search for patients who were treated for anorectal injuries between 1994 and 2015 was undertaken. Twenty cases were located and medical records reviewed. This study was conducted with institutional review board approval (#572-14)., Results: There were 6 girls and 14 boys with ages ranging between 1 and 15 years (mean 7 years). Eleven patients sustained penetrating trauma, while nine sustained blunt trauma. The mechanism of injury was variable and associated injuries were more common in blunt trauma. Most common presenting symptoms were rectal bleeding (n = 12) and anal pain (n = 11), followed by abdominal pain in six patients. Eighteen anorectal injuries were extraperitoneal and two intraperitoneal. Among patients with extraperitoneal injuries, 12/18 were managed by primary repair with (6) or without (6) fecal diversion and 2/18 by wound irrigation and drainage with fecal diversion and delayed repair. Four patients had superficial anal and perineal injuries that were irrigated and left to heal by secondary intention. Two patients with intraperitoneal rectal injuries underwent primary repair with fecal diversion. Follow-up period ranged from 2 weeks to 8 years (mean 2 years). There were three cases of wound infection, one case of suture line leak requiring reoperation and one case of vesicorectal fistula in a patient with combined trauma of the rectum and urinary bladder. There was no mortality. Fecal continence was preserved in all patients available for follow-up evaluation., Conclusions: Primary repair of the perineal wound and anal sphincters can be performed safely in most cases given hemodynamic stability. Fecal diversion should be saved for cases with severe perineal involvement or cases with substantial associated injuries and concern of gross contamination.