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[X-ray technique and congenital dislocation of hips (author's transl)].

Positioning, Fixation techniques and x-ray protection with methods accessible for every practising radiologist, are discussed on the example of roentgendiagnosis of congenital dislocation of hips (CDH) in young infants. Established radiologic criteria to diagnose CDH are mentioned and their dependence from correct radiologic techniques are stressed. Pitfalls arising from incorrect fixation and positioning of the infant are discussed.