Method for accurately locating a lesion and device for carrying out this method

摘要

The invention relates to a device and to a method for accurately locating a lesion. The method according to the invention is characterised in that the organ to be examined is immobilised in the same position as that in which the biopsy is to be carried out, tomodensitometric axial sections (XY) of the organ are taken through at least one transparent rectangle (1) equipped with three non-symmetrical, intersecting opaque wires which occupy defined positions with respect to the biopsy equipment, the lengths of the two segments (AB, AC) intercepted by the said opaque wires (2, 3, 4) are measured for a chosen lesion section, at least one exposure is taken at the recording position, the trace of the three opaque wires (2, 3, 4) is reconstructed on the said exposure, and the lengths of the segments (AB, AC) as measured are transferred onto the said exposure in order to determine the lesion base line corresponding to the chosen lesion section. Application to the detection of intracranial lesions. IMAGE