Welcome to Classifications and Online Calculators in Radiology

This site was build along with the Atlas of Radiology Images to support your knowledge in radiology.

You will find here:

that are used in radiology and related fields with free access.


  • Some pages are accompanied by illustrations
  • All pages contain tags for easy navigation

The concept

The concept of this website is based on a previous site that was founded in 2008 and is still up and running. The website is composed as a book, where all sources are properly referenced, according to a good practice in scientific publications.

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    Chronic pancreatitis - Ammann's diagnostic criteria: The Zurich Classification for Alcoholic Chronic Pancreatitis

    Ammann's diagnostic criteria for chronic pancreatitis were published with the 1997 Zurich international workshop on chronic pancreatitis.

    1) Recurrent pancreatitis and
    2) ≥1 of the following:

    • Calcifications in the pancreas
    • Moderate or severe ductal lesions as defined by the Cambridge criteria
    • Typical pancreatic histology of an adequate surgical specimen
    • Persistent exocrine insufficiency (for ≥2 years)


    1. Ammann RW. A clinically based classification system for alcoholic chronic pancreatitis: summary of an international workshop on chronic pancreatitis. Pancreas. 1997 Apr;14(3):215–21
    2. Tytgat G, Tytgat S. Grading and Staging in Gastroenterology. Thieme; 2008

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