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gastrointestinal

Autoimmune Pancreatitis (Type 1 - IgG4 related)

ICD-10 Code
K86.8

Autoimmune Pancreatitis (Type 1 - IgG4 related) - Clinical guidelines.

Clinical Presentation & Protocol

Patient Usually Complains Of

Patient presents with [subacute/chronic] epigastric pain radiating to the back, associated with [obstructive jaundice/steatorrhea/weight loss]. History significant for IgG4-related systemic involvement (e.g., sialadenitis, retroperitoneal fibrosis). No history of heavy alcohol use or biliary lithiasis. Symptoms are [improving/worsening] with current steroid regimen.

Clinical Examination Findings

Abdominal exam: Mild epigastric tenderness, no rebound or guarding. Scleral icterus present/absent. Skin: No evidence of xanthomas. Lymphadenopathy: [Palpable/Non-palpable] cervical or submandibular nodes. General: Patient appears [well-nourished/cachectic]. Vitals stable.

Treatment Protocol

Initiate/Continue Prednisone [dosage] mg daily with planned taper over [duration] weeks. Monitor serum IgG4 levels and CA 19-9. Consider steroid-sparing agents (e.g., Azathioprine/Rituximab) if relapse occurs or steroid dependency develops. Maintain pancreatic enzyme replacement therapy (PERT) if exocrine insufficiency is present.

Detailed clinical guide coming soon.