Review
Copyright ©The Author(s) 2015.
World J Gastrointest Endosc. Apr 16, 2015; 7(4): 295-307
Published online Apr 16, 2015. doi: 10.4253/wjge.v7.i4.295
Table 1 Clinico-epidemiologic characteristics of Dieulafoy lesion
Anatomy
Dilated, aberrant, submucosal artery eroding overlying gastrointestinal mucosa in absence of either underlying ulcer or local aneurysm
Location
70% of ulcers in stomach
In stomach most commonly located within 6 cm of gastroesophageal junction along lesser curve
Can occur moderately commonly in esophagus or duodenum, occasionally in jejunum or ileum, and rarely in colon
Epidemiology
Generally presents clinically in older age, but can occur at any age
Male:female ratio = 2:1
No known epidemiologic risk factors or clinically associated diseases
Clinical presentation
Typically presents with overt GI bleeding, often with hematemesis or melena, or both
Bleeding typically severe
No prodromal symptoms
Typically bleeding is painless
Frequent presentation with signs or laboratory tests of hemodynamic instability, including: tachycardia, hypotension, orthostasis, and acute prerenal azotemia
Frequently requires transfusion of multiple units of packed erythrocytes
Frequent recurrent bleeding if undetected or not treated at initial endoscopy