Category:Pancreas - Hyperplastic and Neoplastic Pathology

From WikiVet English
Jump to navigation Jump to search

Pancreas - Nodular Hyperplasia

Neoplasia

  • Originates from the exocrine tissue or excretory ducts
  • Neoplasia of the Islet cells is rare but may cause hypoglycaemia due to overproduction of insulin

Adenoma

Carcinoma

Pancreatic carcinoma (Image sourced from Bristol Biomed Image Archive with permission)

Image of haemorrhage and pancreatic carcinoma in a cat from Cornell Veterinary Medicine


  • In older dogs, more common in Airedale terriers, rare in cats, other species too
  • Tend to arise centrally in the gland
  • Highly invasive and infiltrative
  • Metastases to the liver, visceral serosa, abdominal lymph nodes, spleen, adrenals etc.
  • Similar to malignant ovarian tumours - implant on the peritoneum


Gross appearance

Pancreatic carcinoma (Image sourced from Bristol Biomed Image Archive with permission)
  • Usually spherical nodules with adhesions to nearby structures
  • Single or multiple, variable size
  • Greyish or yellow fibrous tissue - firm on cutting
  • May show internal necrosis and haemorrhage
  • Some tumours may contain cysts wih mucinous content
  • Adhesions may occur


Microscopic appearance

  • May be well differentiated with normal acini and ducts
  • Or diffuse sheet of undifferentiated cells

Pages in category "Pancreas - Hyperplastic and Neoplastic Pathology"

The following 7 pages are in this category, out of 7 total.