Infection of the cartilage is '''caused by injury to the coronet, sole, heel or pastern regions''', allowing deep introduction of infection. This causes '''abscesses to form and sinus tracts''' to extend from the diseased cartilage, breaking through the '''skin in the coronary region.''' | Infection of the cartilage is '''caused by injury to the coronet, sole, heel or pastern regions''', allowing deep introduction of infection. This causes '''abscesses to form and sinus tracts''' to extend from the diseased cartilage, breaking through the '''skin in the coronary region.''' |