| decubitus ulcer | <dermatology> A chronic ulcer that appears in pressure areas in debilitated patients confined to bed or otherwise immobilised, due to a circulatory defect from the enhanced tissue pressure in high-contact areas, often occurring over a bony prominence (for example sacral decubitus). (27 Sep 1997) |
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| Sutton's ulcer | A solitary, deep, painful ulcer of the buccal or genital mucous membrane. (05 Mar 2000) |
| dendritic corneal ulcer | Keratitis caused by herpes simplex virus. (05 Mar 2000) |
| dental ulcer | An ulcer on the oral mucuous membrane caused by biting or by rubbing against the edge of a broken tooth. (05 Mar 2000) |
| symptomatic ulcer | An ulcer due to systemic disease, such as tuberculosis. Synonym: symptomatic ulcer. (05 Mar 2000) |
| syphilitic ulcer | <dermatology> The primary skin lesion of syphilis which begins at the site of infection after an interval of 10-30 days as a papule or red ulcerated skin lesion. (27 Sep 1997) |
| Syrian ulcer | Old names for diphtheria. (05 Mar 2000) |
| diphtheritic ulcer | An ulcer covered with a gray adherent membrane, caused by Corynebacterium diphtheriae. (05 Mar 2000) |
| distention ulcer | An ulcer of the intestine in the dilated part above a stricture. (05 Mar 2000) |
| duodenal ulcer | A nonmalignant ulcer that develops in the portion of the gastrointestinal tract that is exposed to gastric secretions. Peptic ulcers occur in the stomach or duodenum. Common symptoms include epigastric abdominal pain and anorexia. Complications include perforation, penetration (into adjacent organs) and bleeding. The microorganism Helicobacter pylori has been implicated in the development of peptic ulcer disease. For this reason, new therapies may now involve the use of oral antibiotics. (27 Sep 1997) |
| inflamed ulcer | An ulcer with a purulent discharge and inflamed borders. (05 Mar 2000) |
| oesophageal ulcer | A hole in the lining of the oesophagus corroded by the acidic digestive juices secreted by the stomach cells. Ulcer formation is related to H. Pyloridus bacteria in the stomach, anti-inflammatory medications, and smoking cigarettes. Ulcer pain may not correlate with the presence or severity of ulceration. Diagnosis is made with barium X-ray or endoscopy. Complications of ulcers include bleeding and perforation. Treatment involves antibiotics to eradicate H. Pyloridus, eliminating risk factors, and preventing complications. (12 Dec 1998) |
| oral ulcer | A loss of mucous substance of the mouth showing local excavation of the surface, resulting from the sloughing of inflammatory necrotic tissue. It is the result of a variety of causes, e.g., denture irritation, aphthous stomatitis (stomatitis, aphthous), noma, necrotizing gingivitis (gingivitis, necrotizing, ulcerative), toothbrushing, and various irritants. (12 Dec 1998) |
| Oriental ulcer | The lesion occurring in cutaneous leishmaniasis. Synonym: Oriental sore. (05 Mar 2000) |
| tanner's ulcer | An ulcer produced by exposure to chromium compounds. Synonym: tanner's ulcer. (05 Mar 2000) |