Tomoki Tsuda

Learn More
BACKGROUND/PURPOSE There has not been any study comparing laparoscopic abdominoperineal rectoplasty (ARP) with open ARP. This study investigated the true benefits of the laparoscopic approach in infants with high anorectal malformation. PATIENTS AND METHODS A retrospective analysis was performed in 28 infants with high anorectal malformation treated(More)
The authors describe a newborn patient with mesenchymal hamartoma of the chest wall associated with pulmonary hypoplasia. A massive thoracic tumor was diagnosed by prenatal ultrasonography and magnetic resonance imaging at the 28th week of gestation. She was delivered through cesarean delivery at the 36th gestational week. Respiratory distress because of(More)
PURPOSE The aim of this study was to determine the possible role of the retinoid-mediated signaling pathway in the pathogenesis of anorectal malformations (ARM). The authors investigated whether all-trans retinoic acid (ATRA) affects the expression pattern of Sonic hedgehog (Shh) and Bone morphogenetic protein 4 (BMP4), which play important roles in(More)
 A neonate with ileal atresia (IA) complicated by meconium peritonitis (MP) whose prenatal ultrasonography (US) detected an intrauterine intussusception (IUI) is reported. Fetal ascites, dilated bowel loops, and abdominal calcifications were identified on serial US from 25 weeks of gestation. Intestinal loops with high echogenecity and a “target-like”(More)
A case of herpes zoster ophthalmicus complicated by contralateral hemiplegia and normal pressure hydrocephalus is presented. The hydrocephalus is considered to be caused by recurrent haemorrhage from extensive cerebral arteritis. Es wird über einen Fall von Herpes Zoster ophthalmicus berichtet, welcher durch eine kontralaterale Hemiplegie und einen(More)
Hirschsprung's disease is an inherited disorder characterized by the absence of ganglion cells in the distal bowel. Neurocutaneous melanosis is a rare congenital syndrome characterized by proliferation of melanin-producing cells in the skin and leptomeninges. The authors described a newborn patient with neurocutaneous melanosis associated with(More)
BACKGROUND/PURPOSE Tethered spinal cord is frequently associated with anorectal malformations (ARMs). However, it remains unknown how the tethered spinal cord develops and relates to the severity of ARM. We studied the development of the spinal cord in ARM mouse embryos induced by all-trans retinoic acid (ATRA). METHODS Pregnant ICR-Slc mice were(More)
We herein describe the case of a 48-year-old man who presented to our hospital with abdominal distension and pain. Preoperative studies including abdominal ultrasonography and computed tomography failed to determine the cause of the pain. At laparotomy, a giant cystic tumor of the small bowel mesentery was found. Histologically, the tumor was diagnosed as(More)
A trichobezoar is a rare mass formed by the ingestion and accumulation of hair within the gastrointestinal tract, especially the stomach. Cases of an isolated gastric trichobezoar with extension into the duodenum or the jejunum have been reported; however, synchronous gastric and intestinal trichobezoars causing a small-bowel obstruction is very unusual. We(More)
Neuroblastoma has been recognized as the most common solid tumor of infancy and childhood. The occurrence of bilateral adrenal neuroblastoma, however, is extremely rare and only a small number of cases have been previously reported. The authors herein report the clinical, histopathological and molecular biological features of two bilateral adrenal cases out(More)