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ABSTRACTObjectivesTo present one of the first descriptive case series of pediatric and adolescent lower extremity stress injuries, their management, and outcomes in athletes and non-athletes.MethodsThe IRB-approved retrospective study included patients under 18 years at a tertiary children’s hospital who were diagnosed with a lower extremity stress fracture/reaction. Demographic data, mechanism of injury, physical exam, radiographic findings, treatment, & outcomes were collected. Descriptive statistical analysis was conducted.ResultsNinety-seven patients with stress injuries on clinical exams and on radiographs or MRI were included. The average age when diagnosed was 11.7 years (range 1.1–18 years) and the most common injuries were to the tibia (n = 33, 28.4%) and the least common involved were the cuneiforms (n = 4, 3.4%). Patients under the age of 14 were more likely to experience cuboid and calcaneal stress injuries (mean age 5.5 and 8.3 years respectively). Nineteen patients (19.6%) had high-risk stress fractures, with the average age of 14.9 years versus 11.6 for those with low risk (p-value = 0.01) and return to activity time being 15 weeks compared to 10.5 (p-value = 0.027). The most common forms of treatment were controlled ankle motion (CAM), walker boots (58.6%), and physical therapy (PT) (38.1%). The mean Lower Extremity Function Score of the patient population was 73.8, indicating no clinically important difference from full functionality.ConclusionLower extremity stress injuries in this cohort were most seen in the tibia, although patients younger than 14 had a high number of cuboid and calcaneal stress injuries. Those with high-risk stress fractures were older and took longer to recover from when compared to low-risk injuries. Treatment is commonly conservative, with CAM boots and PT being the most frequently utilized interventions and serving as a successful approach to treatment, with patients returning to activity at an average of 11.4 weeks, which is comparable to similar studies.

Tibial spine fractures are a relatively rare injury in the young athlete. Previously thought to be the equivalent of a “pediatric anterior cruciate ligament (ACL) tear,” contemporary understanding of these injuries classifies them as distinct from ACL injuries in this patient population. Successful treatment hinges on accurate diagnosis paying special attention to fracture displacement and the presence of concomitant intraarticular injury. Surgery can be performed using open or arthroscopic techniques and a variety of fixation options. The most common complication after surgical treatment is arthrofibrosis and, therefore, stable fixation is necessary to allow for early, unimpeded knee motion postoperatively.

ABSTRACTPurposeTo describe the largest case series of lower extremity traumatic internal degloving injury, i.e. Morel-Lavallée lesion (MLL) in the pediatric and adolescent population, its treatment and outcomes.MethodsRetrospective review of patients under 18 years who presented with MLL to a tertiary children’s hospital. Demographic, clinical, radiographic, treatment and outcomes data were collected. Descriptive statistical analysis was conducted.Results38 patients having MLL with mean age 14.6 years were classified into two groups: hip/thigh MLL (nine patients) and lower leg MLL (29). Most common cause of lower leg and hip/thigh MLL was sports injury (79.3%) and motor vehicle accident (MVA) (33%) respectively. Most implicated sports were football and baseball. Primary care physicians/pediatricians were the initial treating providers for 63% of patients. Imaging modality of choice was magnetic resonance imaging (MRI) for lower leg MLLs (72.4%) and ultrasonography (US) for hip/thigh MLL (66.7%). Twenty-five (65.8%) patients were treated with conservative management, 12 (31.6%) with minimally invasive methods and 1 (2.6%) needed surgical management. Average return to normal activities took 14.3 and 9.1 weeks for hip/thigh and lower leg MLL, respectively. Twenty-four patients with adequate documentation demonstrated lower extremity functional score (LEFS) and pain level of 74/80 (92.5%) and 0.7/10, respectively, at mean 12.5 months follow-up.ConclusionIn contrast to adult injury literature, pediatric MLLs are more common in the leg/knee than hip/thigh region and caused mostly by sports injuries. Primary care physicians are the initial treating providers for the majority of the patients. Intervention is more often needed in the hip/thigh MLLs as opposed to non-operative management for lower leg injuries. This large case series on MLL in the pediatric population demonstrates differences in the management of hip and thigh lesions when compared to the management of the knee and leg lesions in the majority of these patients. Non-operative management in the majority of these lesions provided overall satisfactory outcomes.

Slipped capital femoral epiphysis in patients younger than 10 years is rare and is often associated with some identifiable metabolic or endocrinologic abnormality. We present a case of a 5-year-old girl with an acute, unstable, severe slipped capital femoral epiphysis associated with congenital coxa vara and its surgical management. This association has not been described in previous literature. Surgical treatment is proposed and described.

Discoid lateral meniscus is a common abnormal meniscal variant in children. Detailed history and physical examination combined with an MRI of the knee predictably diagnose a discoid meniscus. The clinical presentation varies from being asymptomatic to snapping, locking, and causing severe pain and swelling of the knee. Because of the pathologic anatomy and instability, discoid menisci are more prone to tearing. Treatment options for symptomatic patients vary based on the type of anomaly, the age of the patient, stability, and the presence or absence of a tear. Improvements in arthroscopic equipment and technique have resulted in good to excellent short-term outcomes for saucerization and repair.

The use of the conventional halo is accompanied by the possibility of serious complications, especially in the pediatric population. Complications could include penetration of pin into the skull, pin loosening, pin tract infection, cranial nerve palsies, and vest-related pressure sores. The noninvasive “pinless” halo was introduced in an attempt to mitigate these problems while retaining the effectiveness of the conventional halo. The purpose of this study is to determine the indications and complications related to pinless halo application.

Chest wall osteochondroma is a rare tumor in children. Even though the potential for malignant transformation or serious intrathoracic complications is low, it has led some centers to advocate surgical management of these bony tumors. We present our experience of the surgical management of costal osteochondromata.

Cervical spondylolysis with spondylolisthesis is a rare condition in the pediatric population. The nature of this condition and clinical presentation are important to provide appropriate management.

There are few areas within the field of pediatric orthopaedics that have had more profound advancements in the past 15 years than the care of children with early onset scoliosis. Although the number of underlying diagnoses and associated comorbidities are numerous, there are several essential underlying principles: comprehensive initial evaluation, close and ongoing communication with caregivers, exhausting the nonoperative methods before moving to surgery, diligent informed consent, preparing the family for potential complications and unplanned surgery, and a thoughtful approach to the end of lengthening or expansion, with final fusion surgery in most cases. This review aims to present the state-of-the-art in the care of early onset scoliosis, including evaluation, operative decision-making, and management of complications. Although the care is complex, and problems are common, many children successfully treated would not have survived into adulthood without the modern methods available to manage their severe spinal and chest wall deformities. Advances on the horizon, including new imaging modalities, the possibility of nonoperative lengthening, and increasingly sophisticated final fusion procedures, offer even more hope for the next generation of children with early onset scoliosis.