Orthopädische Privat-Praxis

Privat Orthopedics Clinic Berlin

Dr. med. Oleg Surminski - Orthopedics Berlin Prenzlauer Berg

Specialist for Orthopedics, Emergency Surgery & Sports Medicine

X-ray examination

The process of measuring relative lengths and angles with X-rays is called radiometry.

In order to identify skeletal deformity obviously divergent from the norm, measurements are compared to those of a normal group. However, it must be remembered that the range of skeletal measurements taken to date is extremely wide. They include what is known as the biological spread and are an indication of formal skeletal diversity with no pathological implication. Included in the method-related spread are also errors due to differing radiological projections. Despite the standardisation of techniques, and subject to the size and localization of the images depicted, significant projection errors have to be taken into consideration. For example, even minor rotation of the chest during radiological imaging of a scoliosis results in a noticeable change of angle. This means that varying degrees of pelvic tilt also have to be taken into account when measuring the hip socket.

Radiometry is particularly significant in planning orthopaedic operations. It is impossible to specify the procedure and intention of an operation without having accurate evidence of the deformity. In  preparing the operating strategy an outline sketch is usually made from the X-ray and the aim of the operation  written in to it.  The superposition of the skeletal sketch determines the choice of specific operating schedule.

Should you have any further questions or want to make an appointment: Call us at 030 - 44 35 193 0, or send an email.

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