This study is to assess the frequency of different etiologies of acute pancreatitis in our locality & assess the effect of different risk factors on outcome of the patients.

Inclusion Criteria:

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Diagnosis of acute pancreatitis according to the following: the presence of two of the three following criteria:

• abdominal pain consistent with the disease
• serum amylase and or lipase greater than three times the upper limit of normal
• characteristic findings from abdominal imaging Contrast-enhanced computed tomographic (CECT) and or magnetic resonance imaging (MRI) of the pancreas

Exclusion Criteria:

• No exclusion criteria .

All patients admitted in assuit university hospital during the period of the study and diagnosed as acute pancreatitis