Jonathan P. Roach
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View article: The Impact of Lymph Node Ratio for Children with Wilms Tumors: A National Cancer Database Analysis
The Impact of Lymph Node Ratio for Children with Wilms Tumors: A National Cancer Database Analysis Open
Background: Lymph node status is a prognostic factor in Wilms tumor, and adequate lymph node sampling is strongly recommended. This study investigates the impact of lymph node ratio (LNR) (number of positive to examined lymph nodes) on ove…
View article: Is There a Role for ERCP in the Management of Gallstone Pancreatitis in Children? A Western Pediatric Surgery Research Consortium Study
Is There a Role for ERCP in the Management of Gallstone Pancreatitis in Children? A Western Pediatric Surgery Research Consortium Study Open
In children with GP, hyperbilirubinemia and CBD dilation were not reliable predictors of a positive ERCP, potentially leading to unnecessary radiation and/or anesthesia. MRCP with visualized stone was the best predictor of CDL. Although ER…
View article: Current management of pulmonary relapse in Ewing sarcoma: A report from the Pediatric Surgical Oncology Research Collaborative
Current management of pulmonary relapse in Ewing sarcoma: A report from the Pediatric Surgical Oncology Research Collaborative Open
Background: Relapse occurs in 30–40 % of patients with localized Ewing sarcoma (EWS). Our objective was to describe the current management and outcomes of patients with initially localized EWS who experience first pulmonary relapse. Method…
View article: A Comparison of Commonly Utilized Diagnostic Biopsy Techniques for Pediatric Patients With Cancer: A Systematic Review by the APSA Cancer Committee
A Comparison of Commonly Utilized Diagnostic Biopsy Techniques for Pediatric Patients With Cancer: A Systematic Review by the APSA Cancer Committee Open
Treatment study, Level III.
View article: Synoptic operative reports for pediatric surgical oncology
Synoptic operative reports for pediatric surgical oncology Open
Synoptic operative notes for pediatric surgical oncology provide standardized and structured documentation of surgical procedures performed on pediatric patients with cancer. These reports capture essential details such as preoperative dia…
View article: Management of undifferentiated embryonal sarcoma of the liver: A Pediatric Surgical Oncology Research Collaborative study
Management of undifferentiated embryonal sarcoma of the liver: A Pediatric Surgical Oncology Research Collaborative study Open
Background Undifferentiated embryonal sarcoma of the liver (UESL) is a rare tumor for which there are few evidence‐based guidelines. The aim of this study was to define current management strategies and outcomes for these patients using a …
View article: Corrigendum to “Primary vs. Salvage Liver Transplantation for Biliary Atresia: A Retrospective Cohort Study” J Pediatr Surg 57 (2022) 407–413
Corrigendum to “Primary vs. Salvage Liver Transplantation for Biliary Atresia: A Retrospective Cohort Study” J Pediatr Surg 57 (2022) 407–413 Open
View article: Machine learning to predict pediatric choledocholithiasis: A Western Pediatric Surgery Research Consortium retrospective study
Machine learning to predict pediatric choledocholithiasis: A Western Pediatric Surgery Research Consortium retrospective study Open
This multicenter study uses machine learning for pediatric choledocholithiasis. Nine clinical factors were highly predictive of choledocholithiasis, and a machine learning model trained using medical and laboratory data was able to identif…
View article: Multi‐institutional assessment of the prevalence of neuroendocrine tumors in children undergoing laparoscopic appendectomy for acute appendicitis in the United States
Multi‐institutional assessment of the prevalence of neuroendocrine tumors in children undergoing laparoscopic appendectomy for acute appendicitis in the United States Open
As non‐operative management of acute appendicitis in children has become more common, missed incidental appendiceal pathology can be an unintended consequence. We assessed the prevalence of neuroendocrine tumors in appendectomy specimens f…
View article: Unwrapping Nephrogenic Rests and Nephroblastomatosis for Pediatric Surgeons: A Systematic Review Utilizing the PICO Model by the APSA Cancer Committee
Unwrapping Nephrogenic Rests and Nephroblastomatosis for Pediatric Surgeons: A Systematic Review Utilizing the PICO Model by the APSA Cancer Committee Open
Treatment study, Level III.
View article: Anorectal malformation in a 46,XY patient with a de novo stop-loss variant in PPP1R12A and associated difference in sexual development: A case report
Anorectal malformation in a 46,XY patient with a de novo stop-loss variant in PPP1R12A and associated difference in sexual development: A case report Open
Introduction: Here we report an infant with a 46,XY karyotype and novel de novo PPP1R12A stop-loss variant with a concomitant anorectal malformation (ARM) and difference in sex development (DSD). Case report: This is an infant born with am…
View article: Extended Lymph Node Sampling During Surgery for Pediatric Renal Tumors Concerning for Malignancy Does Not Increase Postoperative Complication Rates
Extended Lymph Node Sampling During Surgery for Pediatric Renal Tumors Concerning for Malignancy Does Not Increase Postoperative Complication Rates Open
In this cohort, there was no statistically significant difference in clinically significant complications in patients who underwent more extensive lymph node sampling during surgery for a suspected malignant pediatric renal tumor. Future s…
View article: Pediatric Small Renal Masses: Can Tumor Size Predict Histology and the Potential for Nephron-sparing Surgery?
Pediatric Small Renal Masses: Can Tumor Size Predict Histology and the Potential for Nephron-sparing Surgery? Open
The probability that a pediatric unilateral renal mass is Wilms tumor increases with tumor size. Four centimeters is a logical cut point to start the conversation around defining pediatric small renal masses and may help predict nephron-sp…
View article: Histologic type predicts disparate outcomes in pediatric hepatocellular neoplasms: A Pediatric Surgical Oncology Research Collaborative study
Histologic type predicts disparate outcomes in pediatric hepatocellular neoplasms: A Pediatric Surgical Oncology Research Collaborative study Open
Background Hepatocellular carcinoma (HCC) is a rare cancer in children, with various histologic subtypes and a paucity of data to guide clinical management and predict prognosis. Methods A multi‐institutional review of children with hepato…
View article: Multi-Institutional Quality Improvement Project to Minimize Opioid Prescribing in Children after Appendectomy Using NSQIP-Pediatric
Multi-Institutional Quality Improvement Project to Minimize Opioid Prescribing in Children after Appendectomy Using NSQIP-Pediatric Open
BACKGROUND There is wide variation in opioid prescribing after appendectomy in children and adolescents, with recent increases noted in opioid-related pediatric deaths from prescription and illicit opioids. The goal of this project was to …
View article: The need for early Kasai portoenterostomy: a Western Pediatric Surgery Research Consortium study
The need for early Kasai portoenterostomy: a Western Pediatric Surgery Research Consortium study Open
View article: Implications of Tumor Characteristics and Treatment Modality on Local Recurrence and Functional Outcomes in Children With Chest Wall Sarcoma
Implications of Tumor Characteristics and Treatment Modality on Local Recurrence and Functional Outcomes in Children With Chest Wall Sarcoma Open
Objective: To determine the impact of tumor characteristics and treatment approach on (1) local recurrence, (2) scoliosis development, and (3) patient-reported quality of life in children with sarcoma of the chest wall. Summary of Backgrou…
View article: Table of Contents
Table of Contents Open
View article: Rapunzel syndrome presenting as biliary obstruction
Rapunzel syndrome presenting as biliary obstruction Open