Retroperitoneal perirenal pseudocyst in a Massese breed ram.

The macroscopic and microscopic features of a retroperitoneal perirenal pseudocyst in a 12-month-old ram without impairment of renal function are described. In humans and animals, uriniferous pseudocysts may be of traumatic origin, resulting from rupture of kidney, renal pelvis, or ureter, or congenital. Lymphatic pseudocysts may develop secondary to inflammatory obstruction of the hilar lymphatics after perinephritis or renal transplantation. In this case, histologic characteristics of the pseudocyst wall were suggestive of development from the parietal peritoneal layer encapsulating the kidney. This is the first case of retroperitoneal perirenal pseudocyst in a sheep.
AuthorsFranco Mutinelli, Marta Vascellari, Eliana Schiavon
JournalJournal of veterinary diagnostic investigation : official publication of the American Association of Veterinary Laboratory Diagnosticians, Inc (J Vet Diagn Invest) Vol. 17 Issue 3 Pg. 288-90 (May 2005) ISSN: 1040-6387 [Print] United States
PMID15945391 (Publication Type: Case Reports, Journal Article)
  • Animals
  • Cysts (pathology, veterinary)
  • Kidney
  • Male
  • Retroperitoneal Space (pathology)
  • Sheep
  • Sheep Diseases (pathology)

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