“…In this regard, we designed a study with the purpose to investigate the ability of ultrasound in detecting the sphincter muscle complex in children with imperforated anus. This study entitled: "Preoperative Trans-Perineal Sonographic Findings in Children with Imperforated Anus for Detection of Anal Sphincter Muscle Complex and the Anal Canal Pathway: A Pilot Study" by Alamdaran et al (1) was published in the Iran J Radiol. 2018; 15 (3).…”