It was observed, that there were three possible sequences in
the diagnostic phase, as illustrated in Figure 2. There were no explicit rules for choosing between sequences. The third sequence, where tissue sampling comes before medical imaging, looked like an obvious problem. For some patients the sampling causes irritation in the affected areas, which in turn may cause artifacts making the interpretation of images taken after the sampling difficult. This often led to unnecessary delays in medical imaging. The cases with this sequence showed slightly longer average delays. While the relation could not be statistically verified, the observation is never the less interesting. It was recommended that the third type of sequence should be avoided whenever possible.