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Rare Pancreatic Arterial Variations: A Cadaveric Case Report
Isaiah J Pratt1, Abigail L Ryan1, Emily J Gresner2
1College of Medicine, College of Osteopathic Medicine of the Pacific-Northwest, Western University of Health Sciences, Lebanon, USA.
Cureus
|May 19, 2025
Summary
A rare right posterior pancreatic artery (RPPA) variant was discovered during cadaveric dissection. This artery, originating from the gastroduodenal artery, supplied the dorsal pancreas, offering crucial insights for pancreatic surgery.
Area of Science:
- Anatomy
- Vascular Anatomy
- Surgical Anatomy
Background:
- The dorsal pancreatic artery typically supplies the dorsal surfaces of the pancreatic head and body.
- Its origins commonly include the splenic, superior mesenteric, celiac, or common hepatic arteries.
- This artery is usually present in some form.
Observation:
- A case study identified a large, uncommon artery supplying the dorsal pancreas.
- This vessel, termed the right posterior pancreatic artery (RPPA), was found during routine cadaveric dissection.
- The RPPA originated from the gastroduodenal artery.
Findings:
- The RPPA traveled along the dorsal aspect of the pancreatic head and body.
- It terminated at the abdominal aorta, potentially replacing other pancreatic arteries like the dorsal, large, or short pancreatic arteries.
- This variant artery was the sole blood supply to the dorsal pancreas in this case.
Implications:
- Understanding the RPPA's unique origin and course is vital for pancreatic surgery.
- Its specific location and size provide critical anatomical knowledge for surgeons.
- Awareness of this variation can help prevent intraoperative complications during pancreatic procedures.
