### High-Yield Summary – Madelung deformity is a rare, congenital wrist malformation characterized by premature growth arrest of the volar-ulnar distal radial physis, leading to wrist pain, deformityand functional impairment. – Surgical intervention is indicated primarily for symptomatic patients with progressive deformity, painor functional limitation refractory to conservative management. – Corrective osteotomies targeting the distal […]
High-Yield Summary The Goutallier classification grades fatty infiltration of periarticular muscles, primarily the hip abductors, influencing prognosis and surgical planning in pediatric hip disorders with muscle compromise. The Tonnis classification assesses radiographic hip osteoarthritis severity, guiding timing and extent of intervention in pediatric hip dysplasia and sequelae. Accurate interpretation of both systems requires understanding pediatric […]
High-Yield Summary Tibial eminence fractures are avulsion injuries of the anterior cruciate ligament (ACL) insertion, predominantly affecting children aged 8-14 due to incompletely ossified tibial spines. Classification by Meyers and McKeever (modified by Zaricznyj) guides management: nondisplaced (Type I) fractures are treated non-operatively; displaced (Types II-IV) often require surgical fixation. Early anatomic reduction and stable […]
High-Yield Summary Pediatric trigger finger is a rare flexor tendon entrapment distinct from adult trigger digit, often involving the A1 pulley or aberrant tendon anatomy, requiring precise diagnosis to avoid overtreatment. Key anatomy includes the flexor digitorum profundus and superficialis tendons, A1 pulleyand pulley system integrity; anomalies often coexist with syndromic or congenital hand differences. […]
High-Yield Summary Osteochondritis dissecans (OCD) of the pediatric knee primarily affects the lateral aspect of the medial femoral condyle, with juvenile lesions having superior healing potential compared to adult forms due to open physes and better vascularity. Stable, intact lesions without loose bodies and with open physes are managed non-operatively with activity modification and serial […]
High-Yield Summary Mirzels and Catterall classifications stratify Legg-Calvé-Perthes disease (LCPD) by extent of femoral head involvement and fragmentation, guiding prognosis and treatment. Catterall classification focuses on the degree of epiphyseal necrosis and fragmentation on radiographs, critical for timing surgical intervention. Mirzels classification refines staging by incorporating MRI findings, improving early detection of femoral head ischemia. […]
High-Yield Summary Radial club hand is a congenital longitudinal deficiency characterized by hypoplasia or aplasia of the radius, leading to radial deviation of the wrist and functional impairment. The Bayne classification system guides surgical management by categorizing the severity of radial deficiency and associated soft tissue anomalies. Early intervention focuses on soft tissue balancing and […]
High-Yield Summary The discoid lateral meniscus (DLM) is a congenital morphological variant characterized by an abnormally thick, enlarged lateral meniscus prone to tearing and instability. Symptomatic DLM with mechanical symptoms or tears requires surgical intervention focused on meniscal preservation via saucerization and repair rather than total meniscectomy. MRI is the diagnostic modality of choice; key […]
High-Yield Summary The King classification primarily categorizes thoracic curves into five types, guiding fusion levels but lacks comprehensive assessment of lumbar curves and sagittal alignment. The Lenke classification integrates coronal, sagittal, and lumbar curve patterns, providing a more reproducible and comprehensive framework for surgical planning. Accurate classification dictates fusion extent, implant selection, and correction strategy, […]
High-Yield Summary Pediatric trigger thumb results from stenosing tenosynovitis of the flexor pollicis longus (FPL) at the A1 pulley, presenting as a fixed flexion deformity or triggering of the interphalangeal (IP) joint. Observation is appropriate in children under 3 years with mild symptoms, as spontaneous resolution occurs in up to 50% of cases within 1-2 […]
Last Updated on January 25, 2026 by Christian Veillette
