Abstract
All patients operated upon for Morton's neuroma during 1991 who were examined with both magnetic resonance imaging and ultrasonography were included in this prospective study. The object of the study was to evaluate the diagnostic value of these two modalities. The preoperative diagnosis was purely clinical. Histology confirmed surgical findings. A 0.3 T scanner was used for the magnetic resonnance imaging, and a 7.5 MHz linear transducer was used for the ultrasonography. The study includes ninepatients. Eight neuromas were found at surgery. This indicicates that false negative diagnoses are common. At present we find these modalities of little or no value, but, with improved these modalities of little or no value, but, with improved equipment and experience, they may become valuable.
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