There are several radiographic methods which do not belong to the routine work of general X-ray departments, but more or less constitute exceptions. In so far as these involve specific projections and exposures which are not made as spot-films by the radiologist himself, the radiographer should refer to books on positioning to become acquainted with the technique adopted in these cases. These techniques will not be discussed here, nor will the use of special stands, e.g. for positioning the patient for skull exposures etc. In this chapter we will only discuss the other special methods, in general terms.
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