By Mayo Clinic Staff. An intravenous pyelogram (PIE-uh-low-gram), also called an excretory urogram, is an X-ray exam of your urinary tract. An intravenous pyelogram lets your doctor view your kidneys, your bladder and the tubes that carry urine from your kidneys to your bladder (ureters).
The silver, silver dapple, chocolate flax or Taffy gene. Silver, or silver dapple is the common term used for horses with a dilution gene that works to dilute black pigment. The gene usually causes a partial lightening of black pigment in the body coat and a more extreme lightening (or âsilveringâ) of the mane and tail.
Nodular Sarcoids: Around the eyes or in the groin are common sites for this type of sarcoid. They appear as a firm nodule underneath the skin. Damage to the overlying skin is likely to cause it to become more aggressive and transform into the fibroblastic form.he site and position of horse sarcoids is very important in regards to performance, and lesions in the eyelid and girth region can be very irritating. They can cause annoying problems when fitting tack. Equine Sarcoids are often very aggressive, and are likely to re-appear if removed.