Non-occlusive intestinal ischemia in the ascending colon and rectum: a pediatric case occurring during encephalitis treatment.

Background: Non-occlusive mesenteric ischemia (NOMI) is a rare and severe pathological condition that can cause intestinal necrosis without mechanical obstruction of the mesenteric artery. NOMI often develops during the treatment of severe disease in elderly patients and mostly occurs in the intestine supplied by the superior mesenteric artery (SMA). We experienced a 12-year-old patient with NOMI that was segmentally localized in the ascending colon and rectum during encephalitis treatment.

A Modified Technique with a New Device of Laparoscopic Percutaneous Extraperitoneal Closure for Pediatric Inguinal Hernia.

Introduction: Laparoscopic percutaneous extraperitoneal closure (LPEC) in boys is more complex than in girls, because the vas deferens and testicular vessels must be separated from the peritoneum. We therefore developed a needle-shaped surgical instrument that enables blunt separation. Here, we report the effectiveness of this new device.

Identification of novel ALK rearrangement A2M-ALK in a neonate with fetal lung interstitial tumor.

Fetal lung interstitial tumor (FLIT) is a recently reported type of congenital lung lesion comprising solid and cystic components. The pathological features include unique interstitial mesenchyme-based cell proliferation, and differ from other neoplasms represented by pleuropulmonary blastoma or congenital peribronchial myofibroblastic tumor. FLIT is extremely rare and its gene expression profile has not yet been reported.

Tracheal stenosis treated by division of the brachiocephalic artery: Report of a case.

Tracheal stenosis of the brachiocephalic artery (BCA) is rare, and no definitive treatment protocol has yet been established. Brachiocephalic artery compression of the trachea is also relatively rare. This report presents a case of tracheal stenosis treated by division of the BCA.

Ganglion of the groin in a child: an unusual cause of soft-tissue swelling of the groin.

A case of groin ganglion with asymptomatic compression of the femoral vein is described. A 2-year-old girl was referred because of a symptomless groin mass. A mass was palpable in the right femoral triangle.

Omphalocele associated with a large multilobular umbilical cord pseudocyst.

The prevalence of umbilical cord cysts at 7-13 weeks' gestation is approximately 3%. More than 20% of such cases are complicated by structural defects and/or chromosomal abnormalities such as trisomy 18. These cysts usually have a single cavity and are <5 cm in size.

Experimental study of the embryogenesis of gastrointestinal duplication and enteric cyst.

The theory of gastrointestinal duplication and enteric cyst embryogenesis was verified by examining the developmental process of this experimentally induced anomaly. In Cynopus pyrrhogaster (amphibian) embryos (stage 18), the dorsal midline structures (including the neural plate and notochord) were split regionally to induce partial separation of the notochord and gut anlage endoderm herniation between the split elements of the notochord. Following this procedure, the embryonic development was traced morphologically and histologically.

Experimental split cord malformations.

Objective: To induce experimental split cord malformations (SCMs) produced through the surgical induction of a dorsal midline fistula.

Methods: In addition, the theory of embryogenesis of SCMs was verified by examining the developmental process of this experimentally induced anomaly. In Cynopus pyrrhogaster (amphibian) embryos (stage 18), the neural plate and notochord were split regionally to construct a fistula that appeared to be the ectopic neurenteric canal.