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Intrahepatic splenosis in a dog.
K A B Knostman1, S E Weisbrode, P A Marrie
1Department of Veterinary Biosciences, College of Veterinary Medicine, The Ohio State University, 1925 Coffey Road, Columbus, OH 43210-1093, USA. knostman.3@osu.edu
Veterinary Pathology
|November 11, 2003
Summary
Intrahepatic splenosis, a rare condition where splenic tissue grows within the liver, was diagnosed in a Standard Poodle. This occurred after a previous splenectomy due to splenic rupture.
Area of Science:
- Veterinary Pathology
- Surgical Pathology
- Canine Medicine
Background:
- A 10-year-old Standard Poodle with a history of splenectomy for splenic rupture presented with acute lethargy and abdominal pain.
- The patient's prior splenectomy complicated the diagnostic process for current abdominal symptoms.
Observation:
- Surgical exploration revealed multiple, distinct red nodules distributed across all liver lobes.
- These nodules presented as cystic structures upon gross examination.
Findings:
- Histopathological examination identified the nodules as dilated bile ducts and lymphatics.
- Crucially, these dilated structures were surrounded by ectopic splenic tissue, confirming intrahepatic splenosis.
Implications:
- This case highlights intrahepatic splenosis as a potential, albeit rare, complication or sequela following splenectomy.
- Accurate diagnosis requires thorough histopathological evaluation of liver nodules in post-splenectomy patients.
- Understanding this condition is vital for veterinary surgeons and pathologists managing canine liver disease.