Day 3 - Case 12

Paolo Spinnato, Roberta Clinca, Sara Guerri, Alberto Bazzocchi
Diagnostic and Interventional Radiology, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy

Clinical history:
A 3-year-old boy presented to the emergency department with acute neck pain and torticollis, developed after a somersault. There was no background of previous trauma. Clinical examination revealed neck stiffness and head fixed on the left in a ‘cock-robin’ position (marked rotation with some degrees of flexion).

Possible answers
  • Myogenic torticollis
  • Atlantoaxial rotary subluxation in congenital ligamentous laxity
  • Grisel’s Syndrome
  • Atlantoaxial rotary subluxation associated with posterior arch of C1 fracture
  • Atlantoaxial rotary subluxation in a patient with os odontoideum

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