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Accessory pancreatic duct patterns and their clinical implications
Lokadolalu Chandracharya Prasanna1, K V Rajagopal2, Huban R Thomas3
1Associate Professor, Department of Anatomy, Kasturba Medical College, Manipal University , Manipal, India .
Summary
This study investigated variations in the accessory pancreatic duct (APD). Long APD types were most common, and duct patency varied significantly, impacting clinical procedures.
Area of Science:
- Anatomy
- Surgical Anatomy
- Gastroenterology
Background:
- The accessory pancreatic duct (APD) serves as a secondary drainage channel, potentially reducing pressure in the main pancreatic duct.
- Variations in APD morphology and formation are not extensively documented but can hold significant clinical implications.
Purpose of the Study:
- To explore and categorize the diverse anatomical variations of the accessory pancreatic duct.
- To analyze the termination patterns and patency of different accessory pancreatic duct types.
Main Methods:
- Dissection of 40 adult human pancreas specimens with duodenum.
- Injection of eosin dye to assess duct patency.
- Detailed examination and photography of APD formation, tributaries, relations, and termination.
Main Results:
- Long accessory pancreatic ducts were observed in 50% of specimens, followed by short and ansa types (22.5% each), and embryonic types (5%).
- Patency rates varied: long ducts (75%), ansa type (44.4%), and short ducts (22.2%). Overall duct patency was 52.5%, with 42.5% obliterated.
- The minor duodenal papilla was typically anterosuperior to the major papilla (85%), with an average distance of 2.35 cm.
Conclusions:
- Understanding the anatomical variations and patency of the accessory pancreatic duct is crucial.
- This knowledge aids surgeons and endoscopists in effectively planning and executing diagnostic and therapeutic interventions.
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