A 17-year-old woman presents to the emergency department with sudden-onset abdominal pain. A CT scan reveals a spontaneous sigmoid colon rupture. She reports a history of easy bruising, congenital clubfoot, and her mother tells you she has thin, translucent skin. This patient is at highest risk for which of the following life-threatening complications?
A 16-year-old rugby player falls directly on his shoulder and presents with a visible step-off deformity at the acromioclavicular joint. Radiographs show superior displacement of the distal clavicle from the coracoid by 50%. Which finding is characteristic of this Type III acromioclavicular joint injury?
A 7-year-old boy with Legg-Calvé-Perthes disease is being evaluated. His anteroposterior hip radiograph is in the fragmentation stage. According to the Herring lateral pillar classification, which finding would place him in group C, indicating a poor prognosis and likely need for surgical containment?
A newborn is diagnosed with radial longitudinal deficiency. The infant has present thumbs but is noted to have thrombocytopenia on initial labs, which is expected to improve over time. Which associated syndrome is most consistent with these findings?
A 4-year-old boy sustains a minimally displaced proximal tibial metaphyseal fracture (Cozen fracture) after a fall. The fracture is treated appropriately with a long-leg cast and heals without incident. What potential late complication should the family be counseled about regarding this specific fracture?
A 12-year-old girl with concerns for generalized hypermobility is being examined. To assess for this, you perform several maneuvers. Which of the following findings would contribute a score of 2 points to her total Beighton score?
A 9-month-old infant, who is not yet crawling or walking, is brought to the emergency department for leg swelling and irritability when handled. Radiographs reveal a transverse fracture of the femoral shaft. Which action is most appropriate for the evaluating physician?
A 7-year-old child sustains a closed, mid-shaft femur fracture with 1.5 cm of shortening. Which management strategy is most appropriate for this patient, considering the expected biological response to this injury in this age group?
A 12-year-old girl with a history of a first-time traumatic patellar dislocation is being evaluated. An MRI is obtained. Which combination of anatomic risk factors seen on the MRI confers the highest risk for recurrent instability?
A 12-year-old competitive soccer player presents with a 3-week history of anterior knee pain and a tender, prominent bump over her right tibial tubercle. The pain is worse with running and jumping. There is no knee effusion on examination. What is the most likely diagnosis?
