<unk>  often do not cause symptoms (asymptomatic). When present, symptoms usually relate to painless bleeding, with vomiting blood (hematemesis) and/or black stools (melena). Less often,<unk> s may cause rectal bleeding (hematochezia), or rarely, iron deficiency anemia. Usually, there are no gastrointestinal symptoms that precede the bleeding (abdominal pain, nausea, etc.). Presenting Symptoms Recurrent hematemesis with melena 51% of cases Hematemesis without melena 28% of cases Melena without hematemesis 18% of cases Though exceptionally rare, cases of<unk><unk> s occurring in the gallbladder can cause upper abdominal pain, which is usually right upper quadrant or upper middle (epigastric). Though gallbladder<unk><unk> s usually occur with anemia (83%), they generally do not cause overt bleeding (hematochezia, hematemesis, melena, etc.).
Dieulafoy's lesion
Martorell's ulcer
Marjolin's ulcer
Curling's ulcer
Hunner's ulcer
Tornwaldt's disease
Lipschütz ulcer
Dercum's disease