[Roentgen diagnosis of statically-induced chronic fractures]

Three patients with statically conditioned non-traumatic permanent fractures are presented. X-ray morphology classification criteria and commonly used definitions are presented, basing on an extensive list of references. Different non-traumatic fracture types are demarcated according to roentgenological and aetiological criteria. Typical characteristics of permanent fractures are highlighted and illustrated by means of pictorial representations.