An orthopedic appliance such as a body brace or a prosthesis includes a substantially rigid structure adapted to be placed against a body portion. The beam is deflected at a frequency such that the beam makes one or more passes through the sample volume while data are collected from the sample volume. After accessing the images, tumors are selected and routines employed to both identify the boundaries of the tumors, as well as, to quantify various aspects of the tumor boundaries.