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Background: Congenital diaphragmatic hernia (CDH) is a rare developmental defect in the diaphragm, occurring in 2 in 10,000 births. Herniation of intraperitoneal organs through the diaphragmatic opening is always present, however few cases mention the herniation of retroperitoneal organs, such as a kidney. Due to the rarity of this condition, the optimal treatment strategy remains unclear., Methods: A PubMed search was conducted, gathering all published reports of CDH with intrathoracic herniation of the kidney. Cases of isolated intrathoracic kidney without CDH and cases of traumatic hernia were excluded. Patients who underwent surgical repair before the age of 5 years were included for further analysis., Results: Thirty-seven cases were found from 1970 to 2022. The approach used for surgical repair was not mentioned in 55.6% of cases. 52.9% of the remaining patients were treated through laparotomy, whereas in 23.5% a thoracoscopy was performed. A primary repair of the hernia was performed in 88.6%. A hernia sac was noted in 70%. Most patients had a normal origin of the renal vessels and reduction of the intrathoracic kidney was achieved in 78.8%. Moreover, we report a case of CDH with intrathoracic kidney treated through thoracoscopic repair., Conclusion: A thoracoscopic approach is effective for the treatment of CDH with an intrathoracic kidney case with an associated intrathoracic kidney. A therapeutic strategy for CDH with intrathoracic kidney is suggested based on data from published cases.

Background: The heterogeneity of rectal biopsy techniques has encouraged us to search for a surgical and pathological standardisation of this diagnostic technique to exclude Hirschsprung's disease. The different amounts of information on the anatomopathology report prompted us to compile a template for the anatomopathology report for diagnostic rectal biopsies for surgical colleagues and pathologists working on Hirschsprung's disease., Methods: We gathered the anonymous biopsy information and its pathology information from five hospitals for all patients in which rectal biopsies were taken to diagnose Hirschsprung's disease over two years (2020-2021)., Results: Of the 82 biopsies, 20 suction (24.4%), 31 punch (37.8%) and 31 open biopsies (37.8%) were taken. Of all biopsies, 69 were conclusive (84.2%), 13 were not (15.8%). In the suction biopsy group, 60% were conclusive and 40% were not; for punch biopsy, the values were 87% and 13%, respectively and for open biopsy, 97% and 3%. Inconclusive results were due to insufficient submucosa in 6/8 suction biopsies, 4/4 punch biopsies and 0/1 open biopsies. An insufficient amount of submucosa was the reason for an inconclusive result in 6/20 cases (30%) after suction biopsy, 4/31 (12.9%) cases after punch biopsy and 0 cases (0%) after open biopsy. We had one case with major postoperative bleeding post suction biopsy; there were no further adverse effects after biopsy., Conclusions: Diagnostic rectal biopsies in children are safe. Non-surgical biopsies are more likely to give inconclusive results due to smaller amounts of submucosa present in the specimen. Open biopsies are especially useful when previous non-surgical biopsies are inconclusive. An experienced pathologist is a key factor for the result. The anatomopathology report should specify the different layers present in the specimen, the presence of ganglion cells and hypertrophic nerve fibres, their description and a conclusion.

Introduction: Small bowel obstruction (SBO) due to internal herniation (IH) is a well-known complication of laparoscopic Roux-en-Y gastric bypass (LRYGBP). The objective of this study is to evaluate different types of non-absorbable sutures used for closure of the defects regarding the incidence of SBO due to IH/adhesions, adhesion formation in general, or reopening of the defects., Methods: A single-center retrospective study was performed. Patients who underwent LRYGBP were divided in 3 groups: group A closure of the defects with monofilament Polypropylene suture (Prolene®), group B with braided polyester suture (Ethibond®), group C with barbed knotless Polybutester suture (V-Loc®). Descriptive statistics were performed regarding SBO due to IH/adhesions, adhesion formation, and reopening of closed defects., Results: From 5145 patients, 224 patients underwent exploratory laparoscopy for suspicion of SBO. Mean time interval was 28.4 months. IH or intermittent IH was found in 1.94% in group A, 1.78% in group B, and 1.40% in group C. Obstruction due to adhesions was found in 0.70%, 0.36%, and 0.42% per group, respectively. Adhesions in general were observed in 1.47% in group A, 1.43% in group B, and 1.06% in group C. The incidence of reopening was higher in group A (2.24%) in comparison with group B (1.13%, P = 0.041) and group C (1.05%, P = 0.001)., Conclusions: After descriptive analysis, these results can withhold no difference among the 3 non-absorbable sutures regarding incidence of SBO due to IH or SBO due to adhesions, yet tendency for higher reopening rates after closure with monofilament Polypropylene suture is observed., (© 2022. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.)

Background: Pediatric germ cell tumors account for approximately 3.5 % of all childhood cancers for children under the age of 15 years. Up to one-third are extragonadal neoplasms. Germ cell tumors are a heterogeneous group of malignant tumors with a wide variety of histopathological features. Yolk sac tumor is the predominant variant in newborns and younger children. We report for the first time, the presentation of a primary yolk sac tumor in the abdominal wall of a small child., Case Presentation: An 18-month-old white girl underwent resection of a small, round subcutaneous lump (1.5×1.3×0.8 cm) of the abdominal wall in her right hypochondriac region. The histopathology was compatible with yolk sac tumor. Her alpha-fetoprotein was initially elevated but normalized after the resection. Magnetic resonance imaging of her abdomen was normal. The surgeon decided to observe and follow her alpha-fetoprotein level closely. One year after resection a local recurrence appeared and her alpha-fetoprotein rose to 58 ng/mL. The surgeon performed a wide resection of the lesion with normalization of her alpha-fetoprotein. Follow-up consisted of measuring alpha-fetoprotein, clinical evaluation, and abdominal ultrasound., Conclusions: Clinicians should be aware that a yolk sac tumor can present in an unusual extragonadal place, for example in this case it was subcutaneous. In some cases, conservative treatment can be carried out with careful monitoring of the patient and their alpha-fetoprotein.

In a small number of patients with pancreas divisum (with stenotic minor papilla) a relative obstruction to pancreatic exocrine secretory flow results in pancreatitis. We report a 2-year-old boy presenting with recurrent bouts of abdominal pain. The diagnosis of acute pancreatitis was made based on blood biochemistry results. Ultrasound, computed tomography and magnetic resonance imaging showed several abdominal pseudocysts, peritoneal exsudate and confirmed pancreatitis but initially failed to reveal the aetiology. Ascites and cysts contained pancreatic enzymes. After weeks of combined conservative and surgical treatment, a magnetic resonance cholangiopancreaticography with secretin, showed a pancreas divisum with a cyst between the ducts of Santorini and Wirsung. Based on these findings, two endoscopic papillotomies (minor and major papilla) were performed. Three years follow-up was uneventful. In a child with recurrent pancreatitis or pancreatitis with chronic recurrent abdominal pain it is crucial to search aggressively for congenital abnormalities, including pancreas divisum. Secretin-enhanced magnetic resonance cholangiopancreaticography or diffusion-weighted magnetic resonance imaging is a valuable diagnostic tool for visualizing pancreatic duct anatomy.

Percutaneous endoscopic gastrostomy (PEG) provides for enteral nutrition in children with feeding problems. PEG, however, is not without complications. The present study has a twofold aim: (1) comparing our incidence of major complications after PEG with the incidence in other centers, and (2) identifying risk factors for major complications. All patients receiving a PEG or laparoscopic-assisted PEG (lap PEG) in the period 1992-2008 were reviewed. Primary outcome was the occurrence of major complications, defined as the need for surgery, non-prophylactic antibiotics, or blood transfusion, and procedure-related death. Potential risk factors, eg, age under 1 year, mental retardation, scoliosis, constipation, hepatomegaly, upper abdominal surgery, ventriculoperitoneal shunt, peritoneal dialysis, esophageal stenosis, and coagulopathy, were analyzed. Of the 467 patients (448 PEG, 19 lap PEG), 12.6% developed major complications. The complication rate significantly decreased (P = 0.003) over the years. A significantly higher complication rate of 32% (P = 0.02) occurred in children with a ventriculoperitoneal shunt. None of the lap PEG procedures was associated with a major complication, but the difference was not significant, perhaps because of the small numbers in the latter group. The major complication rate after PEG in children is high. Preexisting ventriculoperitoneal shunt is a significant risk factor. Laparoscopically assisted PEG procedures seem to be associated with a lesser major complication rate.

A free jejunal autograft reconstruction after debulking high stage larynx and hypopharynx tumors has become a popular method in our 10-year experience. We retrospectively studied the efficacy and outcome. Nine patients (M/F, 8/1) underwent a total of 10 free jejunal autograft reconstructions. The median age was 58.6 years (range, 48-78 years). The median hospital stay was 32 days (range, 13-67 days) and the graft failure rate was 10% (1/10), 9/10 successfully retransplanted. Postoperative mortality rate was 0%; one patient was lost during follow-up, one patient died of lung cancer, three died of local recurrence, and four patients have no evidence of disease at this moment (mean follow-up of 16.5 months; range, 9-41 months). Salivation fistulas were present postoperatively in four patients: one closed spontaneously and three closed after surgery. In our hands, the free jejunal graft is the preferred method for single-stage reconstruction of circumferential defects of the gullet.