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Webster's New World dictionary, Second College Edition, describes NORMAL as "conforming with or constituting an accepted standard, model, or pattern; esp., corresponding to the median or average of a large group in type, appearance, achievement, function and development, etc.; natural; usual; standard;.... Also described by Webster is TYPICAL;  "serving as a type; symbolic. Having or showing the characteristics, qualities, etc. of a kind, class, or group so fully as to be a representative example....."

The following images are typical of their group.  The findings were normal when correlated with the clinical evaluations. These examples display typical patterns seen repeatedly within each group.

The normal appearance of a bone scan changes notably from the foal to the adult horse.  The most apparent feature being the pronounced uptake in the growth centers.  The degree of uptake is relative to metabolic activity. In the normal adult, the activity in these areas resolves almost equally to the surrounding bone.  The larger more compact or dense bones and the ends of long bones continue to exhibit greater uptake than the diaphyses.  The urinary bladder and the kidneys are normally visualized as well as a halo of soft tissue surrounding the entire skeleton.

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Copyright 2001 University of Pennsylvania School of Veterinary Medicine
Faculty Sponsor: Dr. Michael W. Ross
Technologist: Vivian S. Stacy CNMT
Comments and suggestions to vstacy@vet.upenn.edu