The management of chronic pancreatitis is multifaceted, involving a comprehensive approach that includes thorough assessment, diagnostic testing, and a variety of management strategies.

Assessment:

1. Detailed History: Understanding the patient's symptoms is critical. It includes inquiring about abdominal pain, weight loss, and digestive issues, which are common in chronic pancreatitis.
2. Physical Examination: This might reveal abdominal tenderness, jaundice, and signs of malnutrition, indicative of the disease's progression.

Diagnostic Studies:

1. CT Scan: Often the first diagnostic test, it provides comprehensive images of the pancreas and surrounding structures. It is essential for identifying calcifications, atrophy, and other complications associated with chronic pancreatitis.
2. Magnetic Resonance Cholangiopancreatography (MRCP): This non-invasive imaging technique helps visualize the pancreatic ducts and can identify strictures or blockages.
3. Abdominal Ultrasound: Useful in detecting structural abnormalities such as pancreatic duct dilation or the presence of pancreatic pseudocysts.
4. Endoscopic Ultrasound (EUS): Offers high-resolution imaging, particularly effective for visualizing small ducts and early changes in the pancreas.

Laboratory Assessments include confirming elevated serum amylase and lipase levels, conducting a glucose tolerance test to evaluate pancreatic islet cell function, and conducting a fecal fat content analysis to confirm steatorrhea.

Secretin Stimulation Test: A functional test that measures the secretion of pancreatic fluid in response to secretin, helping to assess exocrine pancreatic function.

Medical Management:

1. Pain Management: Utilizes nonopioid methods and, if necessary, opioid analgesics. Antioxidants, antidepressants, and nonopioid agents may also be used.
2. Endoscopy (ERCP): Employed to remove duct stones, correct strictures, and drain cysts.
3. Nutritional Support and Dietary Modifications: Address malabsorption and malnutrition, crucial in managing chronic pancreatitis.
4. Pancreatic Enzyme Replacement: Indicated for treating malabsorption and steatorrhea.
5. Glucose Control: Managed through diet, insulin, or oral antidiabetic agents.
6. Lifestyle Changes: Patients are advised to avoid smoking and alcohol. Mindfulness-based therapies can also be beneficial for pain reduction.

Surgical Options:

1. Pancreaticojejunostomy: Aims to manage ductal strictures.
2. Whipple Procedure (Pancreaticoduodenectomy): Excises the head of the pancreas, a section of the small intestine, the gallbladder, and occasionally a portion of the stomach.
3. Islet Cell Transplantation: This may improve insulin production in selected cases.

Patient Education and Follow-Up:

1. Educating patients on their condition and the significance of follow-up care is essential for successful long-term management. It is also vital to monitor and modify the treatment plan regularly according to the patient's response.

Managing chronic pancreatitis requires a comprehensive and personalized approach, incorporating diagnostic, therapeutic, and supportive strategies. It's essential to address the condition's physical and emotional aspects to improve patient outcomes.