Skin Congenital and Hereditary - Pathology

Zinc-related disorders

• Occurs in Bullterriers and calves
• Resolves with zinc supplementation in calves but not dogs
• In dogs:
  • Fatal acrodermatitis
  • Lesions start between digits and on foot pads -> severe interdigital pyoderma -> paronychia and hyperkeratosis of pads
  • May also occur on pinnae, elbows, muzzle, hocks or become generalised with crusting, ulceration and secondary pyoderma
  • Histologically:
    • Hyperkeratosis and bacterial pustular dermatitis