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Background: Literature describing radiologic imaging of the adolescent labia is lacking and may lead to misdiagnoses and unnecessary medical care. Cases: Two adolescent patients presented with sudden‐onset unilateral labia minora enlargement and underwent multiple imaging modalities which identified a discrete mass. One patient was diagnosed with aphthous ulcers after a prolonged emergency department stay, and the other underwent an exam under anesthesia for mass removal and was found to have an elongated labia minora rolled into itself. Conclusion: Labia minora enlargement in adolescents can be significant and may be mistaken for a discrete mass on radiologic imaging given a lack of literature on expected findings. Clinical correlation and understanding of age‐appropriate etiologies of noninfectious labial swelling is crucial to avoid unnecessary medical therapies and procedures.

Background Postoperative return to recreational activity is a common concern among the increasingly active total knee arthroplasty (TKA) patient population, though there is a paucity of research characterizing sport-specific return and function. This study aimed to assess participation level, postoperative return to activity, sport function, and limitations for recreational athletes undergoing TKA. Methods A survey of recreational sports participation among primary, elective TKA patients from a single academic center between June 2011 and January 2022 was conducted. Of the 10,777 surveys administered, responses were received from 1,063 (9.9%) patients, among whom 784 indicated being active in cycling (273 [34.8%]), running (33 [4.2%]), jogging (68 [8.7%]), swimming (228 [29.1%]), tennis (63 [8.0%]), skiing (55 [7.0%]), or high-impact team sports (64 [8.2%]) between two years preoperatively and time of survey administration, and were included for analyses. Results Cycling (62.3% at two years preoperatively vs. 59.0% at latest follow-up) and swimming (62.7% at two years preoperatively vs. 63.6% at latest follow-up) demonstrated the most favorable participation rate changes, while running (84.0% at two years preoperatively vs. 48.5% at latest follow-up) and skiing (72.7% at two years preoperatively vs. 45.5% at latest follow-up) demonstrated the least favorable participation rate changes. The majority of respondents were “satisfied” or “very satisfied” with their return across all sports, though dissatisfaction was highest among runners and joggers. For cycling, running, jogging, and swimming, respondents most commonly reported no change in speed or distance capacity, though among these cyclists reported the highest rates of improved speed and distance. The majority of returning skiers reported improved balance, form, and ability to put on skis. Conclusion Return to sport is feasible following TKA with high satisfaction. Swimming and cycling represent manageable postoperative activities with high return-rates, while runners and joggers face increased difficulty returning to equal or better activity levels. Patients should receive individualized, sports-specific counseling regarding their expected postoperative course based on their goals of treatment.

Purpose The purpose of the current study is to systematically review and network meta-analyze the current evidence in the literature to ascertain if there is a superior lateral extra-articular augmentation technique in conjunction with anterior cruciate ligament (ACL) reconstruction (ACL.R) with respect to knee stability, re-rupture rates and functional outcomes. Methods The literature search was performed based on the PRISMA guidelines. Cohort studies comparing ACL.R to ACL.R + lateral extra-articular augmentation were included. Lateral extra-articular techniques included were anterolateral ligament reconstruction (ALL.R), Cocker-Arnold, Lemaire, Losee, Maraccaci, and McIntosh. Clinical outcomes were compared between ACL.R alone and the different lateral extra-articular augmentation techniques using a frequentist approach to network meta-analysis, with statistical analysis performed using R. The treatment options were ranked using the P -Score. Results Twenty-eight studies with a total of 2990 patients were included. ACL.R + Cocker-Arnold technique had the highest P -Score for ACL re-ruptures and residual pivot-shift. ACL.R + Cocker-Arnold, Lemaire, and ALL.R all significantly reduced the rate of ACL re-rupture, and residual pivot-shift, compared to ACL.R alone. There was no significant difference between any of the lateral extra-articular augmentation techniques and ACL.R alone. ALL.R had the highest P -Score for return to play, and return to play at pre-injury level. Conclusion This study established that ACL.R + Cocker-Arnold, Lemaire and ALL.R resulted in significantly lower ipsilateral ACL re-ruptures, as well as reduced pivot-shift, compared to ACL.R alone. Whereas, the other lateral extra-articular augmentation techniques did not reduce pivot-shift and re-rupture. Additionally, functional outcomes and return to play were comparable between those who underwent ACL.R and lateral extra-articular augmentation and ACL.R alone. Level of evidence III.

BackgroundWork-related stress and burnout were documented to be high among pediatric radiologists prior to the coronavirus disease 2019 (COVID-19) pandemic. New challenges arose from the COVID-19 pandemic, potentially introducing new stressors and anxieties.ObjectiveTo evaluate potential sources of stress and anxiety for pediatric radiology faculty during the early phase of the COVID-19 pandemic.Materials and methodsWe conducted a survey of attending physician members of the Society for Pediatric Radiology in North America from April 27, 2020, to May 22, 2020. The response rate was 21% (251/1,206). Survey questions included demographic information and questions regarding working remotely, personal protective equipment, redeployment, personal wellness, wellness resources and financial concerns. A psychometrician reviewed the questions to ensure minimal risk of misinterpretation.ResultsMedian age of respondents was 48 years (range 33–70 years) with median number of years in practice of 14 (range 1–45 years). Fifty-three percent of respondents were women and 46% were men. Because of an increase in remote work, 69% of respondents endorsed feeling more isolated from a lack of regular interaction with colleagues. Fifty-three percent of respondents indicated that it is challenging to work remotely while overseeing home schooling for children. In comparison to men, women reported overall higher work-related stress and anxiety (P=0.02), higher feelings of guilt from radiology staff (i.e. technologists and nurses) being more exposed to COVID-19 (P=0.02) and higher levels of stress providing for dependents (P=0.04). Most respondents thought that departmental leadership was effective and respondents were not concerned about meeting financial obligations or job loss.ConclusionThe early phase of the COVID-19 pandemic caused additional stress and anxiety for pediatric radiology faculty and disproportionally affected women. Given the continuously evolving state of the COVID-19 pandemic, these results could aid in planning and implementation of future strategies to combat burnout in radiology. Specific attention should be directed to different stressors experienced by female versus male radiologists, especially in regard to dependent care.

Purpose The purpose of this study was to determine and establish the MCID for the NAHS at 2 years in patients undergoing hip arthroscopy for femoroacetabular impingement syndrome (FAIS). Methods Patients that underwent primary hip arthroscopy for FAIS between 2010 and 2016 were analyzed for eligibility. Data were collected from a single surgeon’s hip arthroscopy database. MCID was calculated for the NAHS utilizing a distribution-based method. Results The study included 298 patients (184 females) with an average age of 40.4 ± 13.0 years and average body mass index (BMI) of 25.7 ± 4.2 kg/m 2 . At baseline, the cohort’s average NAHS score was 48.7 ± 13.6 and demonstrated an improvement of 36.5 ± 17.0 for NAHS at follow-up. This resulted in MCID values of + 8.5 for NAHS. Conclusion This is the first study to report the MCID (+ 8.5) for NAHS following primary hip arthroscopy, and as such, is a valuable contribution to future hip arthroscopy research. Level of evidence IV.

Purpose The purpose of this study was to identify if the location of posterolateral corner (PLC) injury was predictive of clinical common peroneal nerve (CPN) palsy. Methods A retrospective chart review was conducted of patients presenting to our institution with operative PLC injuries. Assessment of concomitant injuries and presence of neurologic injury was completed via chart review and magnetic resonance imaging (MRI) review. A fellowship-trained musculoskeletal radiologist reviewed the PLC injury and categorized it into distal, middle and proximal injuries with or without a biceps femoral avulsion. The CPN was evaluated for signs of displacement or neuritis. Results Forty-seven operatively managed patients between 2014 and 2019 (mean age-at-injury 29.5 ± 10.7 years) were included in this study. Eleven (23.4%) total patients presented with a clinical CPN palsy. Distal PLC injuries were significantly associated with CPN palsy [9 (81.8%) patients, ( P  = 0.041)]. Nine of 11 (81.8%) patients with CPN palsy had biceps femoral avulsion ( P  = 0.041). Of the patients presenting with CPN palsy, only four (36.4%) patients experienced complete neurologic recovery. Three of 7 patients (43%) with an intact CPN had full resolution of their clinically complete CPN palsy at the time of follow-up (482 ± 357 days). All patients presenting with a CPN palsy also had a complete anterior cruciate ligament (ACL) rupture in addition to a PLC injury ( P  = 0.009), with or without a posterior cruciate ligament (PCL) injury. No patient presenting with an isolated pattern of PCL-PLC injury (those without ACL tears) had a clinical CPN palsy. Conclusion Distal PLC injuries have a strong association with clinical CPN palsy, with suboptimal resolution in the initial post-operative period. Specifically, the presence of a biceps femoris avulsion injury was highly associated with a clinical CPN palsy. Additionally, CPN palsy in the context of PLC injury has a strong association with concomitant ACL injury. Furthermore, the relative rates of involvement of the ACL vs. PCL suggest that specific injury mechanism may have an important role in CPN palsy. Level of evidence IV.

BackgroundAltered biodistribution of [F-18]2-fluoro-2-deoxyglucose (FDG) is sometimes encountered in pediatric patients undergoing chemotherapy for lymphoma on post-induction positron emission tomography (PET) imaging. A characteristic pattern of increased FDG uptake in white adipose tissue can be seen, particularly in the buccal regions, body wall and gluteal regions, with a shift of radiotracer away from the blood pool and liver. This altered biodistribution has been attributed to effects of corticosteroids in pediatric and adult patients and is important to recognize because of its potential for limiting the diagnostic quality of the PET scan and interfering with therapeutic response assessment.ObjectiveIn contrast to the well-known metabolically active brown fat seen on up to one-third of pediatric PET scans, white fat is usually non-metabolically active. We sought to determine the incidence of altered distribution of FDG in subcutaneous white adipose tissue in pediatric patients undergoing PET imaging and to assess the association with corticosteroid use.Materials and methodsWe reviewed the medical records and imaging for four children in whom altered biodistribution in white adipose tissue was present on post-induction FDG PET/CT, identified during routine clinical practice. All four were receiving corticosteroids as part of their chemotherapy. We then retrospectively reviewed oncology FDG PET/CT scans over a 2-year period (1,361 scans in 689 patients) to determine the incidence of uptake in white fat by qualitative visual assessment. In the children identified with altered biodistribution, we measured maximum standard uptake value (SUVmax) and mean standard uptake value (SUVmean) in areas of subcutaneous white fat, the buccal regions, body wall or gluteal soft-tissue regions, liver and blood pool. We reviewed all medical records, including medication lists. We summarize the relevant clinical and imaging findings of 13 pediatric patients, including the 4 index patients.ResultsWe determined the incidence of FDG uptake in white fat to be rare, found in 9 of 1,361 (0.6%) PET scans performed for pediatric cancer evaluation. FDG uptake was increased in subcutaneous adipose tissue, particularly in the buccal regions, body wall and gluteal regions, with a shift of radiotracer away from the blood pool and liver. The degree of increased uptake in peripheral white fat varied from marked to mild, and the biodistribution was distinct from that of brown adipose tissue. Children with this altered biodistribution were uniformly receiving corticosteroids as part of induction treatment for their cancer, and these findings were only identified on post-induction PET/CT. Follow-up PET/CT documented resolution of this effect after treatment with corticosteroids ceased.ConclusionOur findings support the current understanding that characteristic uptake of FDG in white adipose tissue is mediated by corticosteroid effect. Although this altered biodistribution is rare (<1% of PET scans) it could impair the diagnostic quality of the scan, affecting image interpretation, and should be recognized when present.

PurposePeripheral bronchial atresia is a pulmonary abnormality diagnosed on postnatal computed tomography after prenatal imaging reveals a congenital lung lesion. Debate regarding management of this abnormality prompted us to review our institution’s practice patterns and outcomes.MethodsAll patients diagnosed with bronchial atresia were assessed from 6/2014 to 7/2020. Pediatric radiologists were surveyed to delineate computed tomography criteria used to diagnose peripheral bronchial atresia. Criteria were applied in an independent blinded review of postnatal imaging. Data for patients determined to have peripheral bronchial atresia and at least an initial pediatric surgical evaluation were analyzed.ResultsTwenty-eight patients with bronchial atresia received at least an initial pediatric surgical evaluation. Expectant management was planned for 22/28 (79%) patients. Two patients transitioned from an expectant management strategy to an operative strategy for recurrent respiratory infections; final pathology revealed bronchial atresia in both. Six patients were initially managed operatively; final pathology revealed bronchial atresia (n = 3) or congenital lobar overinflation (n = 3).ConclusionsPeripheral bronchial atresia can be safely managed expectantly. A change in symptoms is suspicious for alternate lung pathology, warranting further workup and consideration for resection.Level of evidenceLevel IV.

Background: Female hockey players have rates of sports-related concussion that are similar to male hockey players at various levels of play, despite differences in the rules that do not allow for body checking in the women’s game. One proposed hypothesis is that females are more likely than their male counterparts to report concussion symptoms to a coach or medical professional. At the elite level, there are limited data regarding concussion rates and concussion symptom reporting. Purpose: The purpose of this study was to determine the incidence of concussion and concussion symptom reporting in professional women’s ice hockey players. Methods: An anonymous survey was given to players of two National Women’s Hockey League (NWHL) teams at the time of their 2018-2019 end-of-season physicals. Players reported on the number of concussions in their career diagnosed by a physician, the number of times they have had concussion symptoms, how many times they continued playing after experiencing concussion symptoms, how many times they never told a medical professional or coach after having symptoms, and how many times they eventually disclosed their symptoms. Results: Fifty-four players anonymously completed the survey. Thirty-one(57%) of respondents reported at least one concussion diagnosed during their playing career, with 16(30%) reporting 2 or more diagnosed concussions. Thirty-six(67%) players reported experiencing concussion symptoms at least once, with 26(48%) reporting 2 or more occurrences of such symptoms. Of these players, 68% reported that they continued playing at least once after experiencing concussion symptoms. 36% of those players reported that they never told anyone about these symptoms on at least one occasion. Forty-four(81%) players either agreed or strongly agreed with the statement “I’m more likely to report concussion symptoms knowing what I know now.” Conclusion: There is a high incidence of sport related concussions in women’s professional ice hockey players as well as an alarming rate of symptom non-reporting. More than half of players experience at least one concussion during their career, with more than two-thirds of these continuing to play despite having concussion-related symptoms and more than one-third of these never reporting the concussion symptoms at all. Additional research is needed to determine the reasons for the high rates of concussion in women’s ice hockey players despite the no-checking policy; the motivation for not disclosing concussion symptoms when they occur; and the effects that concussion education has had on changing symptom reporting behaviors for ice hockey players at the elite level.