Enhanced navigational tools for comparing medical images

A navigational tool to facilitate the comparison of two temporally related medical images comprising:

• a display of first and second medical images alongside one another, the two images being images of the same thing at different times,
• a plurality of lines extending between the images at least a first line beginning at a feature at a first location in the first image and ending at a corresponding feature at a corresponding location in the second image and at least a second line extending from a feature found at a second location in one of the images toward a corresponding second location in the other image where no corresponding feature is found;
• and
• a scroll bar alongside the first and second images having markers aligned with the first and second lines.

A navigational tool to facilitate the comparison of first and second temporally related medical images comprising:

• a display of the first medical image;
• at least a first marker located at a first location in the first medical image where the same feature is found in both the first and second medical images;
• and
• at least a second marker, visually different from the first marker, located at a second location in the first medical image where a feature is found in only one of the first and second medical images.

A method of comparing first and second temporally related medical images comprising:

• locating corresponding features in each of the first and second medical images,
• displaying at least one of the medical images,
• identifying on the displayed medical image(s) the corresponding features, and
• identifying on a displayed medical image at least one feature found in one of the first and second medical images but not the other.