[Preoperative diagnostics in periampullary adenocarcinomas]

Area of Science:

• Gastroenterology
• Surgical Oncology
• Pathology

Background:

• Nonpancreatic periampullary adenocarcinomas represent 30-40% of pancreatoduodenectomies.
• Four distinct carcinomas with histomorphological subtypes exist based on origin.

Purpose of the Study:

• To review current literature on periampullary adenocarcinoma classification and preoperative diagnostics.
• To highlight the prognostic and therapeutic relevance of accurate carcinoma location and subtype differentiation.

Main Methods:

• Literature review of classification and preoperative diagnostic methods.
• Analysis of diagnostic information from patient history, imaging, and endoscopy.

Main Results:

• Accurate classification requires precise knowledge of papillary anatomy.
• Patient history, imaging, and endoscopy provide valuable diagnostic information.

Conclusions:

• Interdisciplinary diagnostics achieve correct periampullary adenocarcinoma diagnosis in 70-80% of cases.
• Accurate preoperative diagnosis facilitates individualized treatment planning.