Pathogenesis

PATHOGENESIS

  • S/C nodules are seen mainly on the shoulder region and on the dorsal aspect of (loins, withers and neck) the body.
  • The nodules are 12 to 15 mm in dia and 5 to 7 mm in height.
  • The gravid female moves to dermis for oviposition. (egg laying).
  • During this period, the nodules become enlarged and painful heamorrhage may occur.
  • There will be marked edema and infiltration of lymphocytes and neutrophils.
Last modified: Saturday, 21 August 2010, 8:44 AM