The aiming device for cervical distractor pin insertion: a proof-of-concept, feasibility study.

Background: Restoration of cervical lordosis after anterior discectomy and fusion is a desirable goal. Proper insertion of the vertebral distraction or Caspar pin can assist lordotic restoration by either putting the tips divergently or parallel to the index vertebral endplates. With inexperienced surgeons, the traditional free-hand technique for Caspar pin insertion may require multiple insertion attempts that may compromise the vertebral body and increase radiation exposure during pin localization.

Prevalence of atypical femoral fractures in Thai patients at a single institution.

Objective: Evaluate the prevalence of atypical femoral fracture (AFF) in Thai patients at a single institution based on the 2010 and 2013 American Society of Bone and Mineral Research (ASBMR) criteria and the sensitivity and specificity of each radiographic feature of AFF to identify bisphosphonate treatment.

Material And Method: The authors retrospectively reviewed plain radiographs of 856 patients who were diagnosed with subtrochanteric or femoral shaft fractures between 2002 and 2013. Only those who had major radiographic features of AFF according to the 2010 ASBMR criteria were included.