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Concept
Gastrointestinal disease
Summary
Gastrointestinal diseases (abbrev. GI diseases or GI illnesses) refer to diseases involving the gastrointestinal tract, namely the esophagus, stomach, small intestine, large intestine and rectum, and the accessory organs of digestion, the liver, gallbladder, and pancreas.
Oral and maxillofacial pathologyTongue disease and Salivary gland disease
The oral cavity is part of the gastrointestinal system and as such the presence of alterations in this district can be the first sign of both systemic and gastrointestinal diseases. By far the most common oral conditions are plaque-induced diseases (e.g., gingivitis, periodontitis, dental caries). Oral symptoms can be similar to lesions occurring elsewhere in the digestive tract, with a pattern of swelling, inflammation, ulcers, and fissures. If these signs are present, then patients are more likely to also have anal and esophageal lesions and experience other extra-intestinal disease manifestations. Some diseases which involve other parts of the GI tract can manifest in the mouth, alone or in combination, including:
Gastroesophageal reflux disease can cause acid erosion of the teeth and halitosis.
Gardner's syndrome can be associated with failure of tooth eruption, supernumerary teeth, and dentigerous cysts.
Peutz–Jeghers syndrome can cause dark spots on the oral mucosa or on the lips or the skin around the mouth.
Several GI diseases, especially those associated with malabsorption, can cause recurrent mouth ulcers, atrophic glossitis, and angular cheilitis (e.g., Crohn's disease is sometimes termed orofacial granulomatosis when it involves the mouth alone).
Sideropenic dysphagia can cause glossitis, angular cheilitis.
Oesophageal disease
Oesophageal diseases include a spectrum of disorders affecting the oesophagus. The most common condition of the oesophagus in Western countries is gastroesophageal reflux disease, which in chronic forms is thought to result in changes to the epithelium of the oesophagus, known as Barrett's oesophagus.
Official source
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