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Purpose To describe a series of children with extensive PNF or treatment refractory PLGG treated on a compassionate basis with trametinib. Methods We report on six patients with NF‐1 treated with trametinib on a compassionate basis at British Columbia Children's Hospital since 2017. Data were collected retrospectively from the patient record. RAPNO and volumetric criteria were used to evaluate the response of intracranial and extracranial lesions, respectively. Results Subjects were 21 months to 14 years old at the time of initiation of trametinib therapy and 3/6 subjects are male. Duration of therapy was 4–28 months at the time of this report. All patients had partial response or were stable on analysis. Two patients with life‐threatening PNF had a partial radiographic response in tandem with significant clinical improvement and developmental catch up. One subject discontinued therapy after 6 months due to paronychia and inadequate response. The most common adverse effect (AE) was grade 1–2 paronychia or dermatitis in 5/6 patients. There were no grade 3 or 4 AEs. At the time of this report, five patients remain on therapy. Conclusion Trametinib is an effective therapy for advanced PNF and refractory PLGG in patients with NF‐1 and is well tolerated in children. Further data and clinical trials are required to assess tolerance, efficacy and durability of response, and length of treatment required in such patients., Here, we report on response to Trametinib, a MEK inhibitor in children with NF‐1. Our experience presented in this report demonstrates that Trametinib is an effective therapy for advanced, life‐threatening PNF, and treatment‐refractory PLGG in patients with NF‐1 and is well tolerated in children.

Create a competency-based assessment tool for pediatric esophagoscopy with foreign body removal.Blinded modified Delphi consensus process.Tertiary care center.A list of 25 potential items was sent via the Research Electronic Data Capture database to 66 expert surgeons who perform pediatric esophagoscopy. In the first round, items were rated as "keep" or "remove" and comments were incorporated. In the second round, experts rated the importance of each item on a seven-point Likert scale. Consensus was determined with a goal of 7 to 25 final items.The response rate was 38/64 (59.4%) in the first round and returned questionnaires were 100% complete. Experts wanted to "keep" all items and 172 comments were incorporated. Twenty-four task-specific and 7 previously-validated global rating items were distributed in the second round, and the response rate was 53/64 (82.8%) with questionnaires returned 97.5% complete. Of the task-specific items, 9 reached consensus, 7 were near consensus, and 8 did not achieve consensus. For global rating items that were previously validated, 6 reached consensus and 1 was near consensus.It is possible to reach consensus about the important steps involved in rigid esophagoscopy with foreign body removal using a modified Delphi consensus technique. These items can now be considered when evaluating trainees during this procedure. This tool may allow trainees to focus on important steps of the procedure and help training programs standardize how trainees are evaluated.5. Laryngoscope, 131:1168-1174, 2021.

Objectives/hypothesis Create a competency-based assessment tool for pediatric esophagoscopy with foreign body removal. Study design Blinded modified Delphi consensus process. Setting Tertiary care center. Methods A list of 25 potential items was sent via the Research Electronic Data Capture database to 66 expert surgeons who perform pediatric esophagoscopy. In the first round, items were rated as "keep" or "remove" and comments were incorporated. In the second round, experts rated the importance of each item on a seven-point Likert scale. Consensus was determined with a goal of 7 to 25 final items. Results The response rate was 38/64 (59.4%) in the first round and returned questionnaires were 100% complete. Experts wanted to "keep" all items and 172 comments were incorporated. Twenty-four task-specific and 7 previously-validated global rating items were distributed in the second round, and the response rate was 53/64 (82.8%) with questionnaires returned 97.5% complete. Of the task-specific items, 9 reached consensus, 7 were near consensus, and 8 did not achieve consensus. For global rating items that were previously validated, 6 reached consensus and 1 was near consensus. Conclusions It is possible to reach consensus about the important steps involved in rigid esophagoscopy with foreign body removal using a modified Delphi consensus technique. These items can now be considered when evaluating trainees during this procedure. This tool may allow trainees to focus on important steps of the procedure and help training programs standardize how trainees are evaluated. Level of evidence 5. Laryngoscope, 131:1168-1174, 2021.

We report on a family with three siblings, male and female, affected by congenital bilateral limitation of vocal cord abduction, with the additional finding of clubfeet in two. The paternal family history suggests an autosomal dominant inheritance. The siblings and father also have mild craniofacial features, which may be an expression of variability or may be unrelated. The association between congenital vocal cord paralysis and clubfeet has been reported with additional major features or in the context of Charcot-Marie-Tooth disease. However, the two in isolation have only been reported in one other family previously. Genomic analyses of the family, including chromosomal microarray and exome sequencing, showed neither a likely pathogenic variant in a known disease gene nor a compelling candidate gene variant. We propose that the association of these two findings constitutes a novel recognizable phenotype, for which a genetic cause remains undetermined.

Objective: To present a novel case of Luc’s Abscess with coexisting intracranial abscess and venous sinus thrombosis. Case Presentation: A 4-year-old male had fever for two weeks, left-sided otalgia and otorrhea for 1 week and then suddenly developed left temporal soft tissue swelling and papilledema. Computerized tomography scan revealed a 3.5 x 2.3 x 1.2cm subperiosteal temporal space (Luc’s) Abscess, a 4.6 x 2.7 x 2.5 cm temporal lobe abscess, and transverse plus sigmoid sinus thrombosis. The patient was successfully treated with surgical drainage, long-term intravenous antibiotics, and anti-coagulation. Conclusion: To our knowledge, this is the first documented case of Luc’s abscess with a coexisting intracranial abscess and/or venous sinus thrombosis. Although Luc’s abscess is a rare and usually relatively benign complication of acute otitis media, early diagnosis and treatment remain essential in preventing potentially life-threatening disease progression.

Tracheal-bronchus is an aberrant bronchus arising from the lateral tracheal wall, superior to the carina. A "False-carina" can be classified as a sub-type. This clinical entity will be defined and the clinical presentation, diagnosis and management of five patients with variations of the anatomical definition of a False-carina, identified at our institution, will be reviewed. Congenital bronchial abnormalities, including False-carina, have important implications in the overall management of the airway. Management can range from expectant in asymptomatic patients to surgical intervention in cases of recurrent respiratory infections. Awareness and understanding of this clinical entity allows for timely investigation, diagnosis and appropriate intervention.

Objectives To review clinical presentations and management strategies for children with plastic bronchitis. Methods Retrospective chart review. Results Seven patients required rigid bronchoscopy to remove bronchial casts over a 17-year study period. Mean age at presentation was 60 months. Mean follow-up was 53 months. Co-morbidities included: congenital heart disease (n = 3), chronic pulmonary disorders (n = 2) and sickle cell disease (n = 1). 4 patients required multiple bronchoscopies for recurrent casts. Adjunctive topical therapies were administered in all 7 patients, without complication. Rigid bronchoscopy for cast removal was performed in 2 patients who were on extra-corporal membrane oxygenation (ECMO), using special precautions to safeguard the ECMO catheters. Conclusions Bronchial casts in children may present acutely or sub-acutely. Recurrent casts are unusual; however, in combination with severe cardiac disease may lead to mortality. Adjunctive topical therapies are still under investigation. Special safeguards for ECMO catheters are imperative. This case series complements and adds to the International Plastic Bronchitis Registry.