## Aetiology of Chronic Pancreatitis in India **Key Point:** Alcohol abuse accounts for 60–80% of chronic pancreatitis cases in Western populations and remains the leading cause in India, followed by idiopathic and tropical pancreatitis. ### Epidemiology & Pathophysiology **High-Yield:** Chronic alcohol consumption leads to: 1. Increased viscosity of pancreatic secretions 2. Precipitation of protein plugs within ducts 3. Recurrent inflammation → fibrosis and atrophy 4. Progressive loss of exocrine and endocrine function ### Comparative Causes of Chronic Pancreatitis | Cause | Frequency (%) | Key Features | Geography | |-------|---------------|--------------|----------| | **Alcohol** | 60–80 | Ductal dilation, atrophy, calcification | Western & India | | **Idiopathic** | 10–20 | No identifiable cause; may have genetic basis (CFTR, SPINK1) | All regions | | **Gallstone** | 5–10 | Rare cause of chronic pancreatitis (more acute) | All regions | | **Cystic fibrosis** | <2 | Autosomal recessive; presents in childhood | Western | | **Tropical pancreatitis** | 5–15 | Associated with cassava consumption; endemic in India, Africa | Tropical regions | **Clinical Pearl:** Steatorrhea and ductal dilation in a chronic drinker are classic for alcohol-induced chronic pancreatitis. Pancreatic calcification on imaging is pathognomonic. **Mnemonic — ACID:** **A**lcohol, **C**ystic fibrosis, **I**diopathic, **D**uct obstruction (gallstone, stricture) ### Why Alcohol Is the Answer Alcohol is the single most common cause globally and in India. The combination of chronic epigastric pain, steatorrhea (fat malabsorption), pancreatic atrophy, and ductal dilation in a heavy drinker is pathognomonic for alcohol-induced chronic pancreatitis.
Sign up free to access AI-powered MCQ practice with detailed explanations and adaptive learning.