Dieulafoy Lesion / Caliber Persistent Artery
Differential Diagnosis
- Vascular malformations are composed of vessels with abnormal structure
- Dieulafoy vessels are normal in structure, but out of place
- Deep ulcers eroding vessels below the level of the muscularis mucosae are not this lesion
| Dieulafoy Lesion / Caliber Persistent Artery |
Gastric Antral Vascular Ectasia |
| Abnormaly large vessel in lamina propria |
Capillary ectasia and thrombosis in lamina propria |
| No specific submucosal lesion |
Submucosal vessels may be tortuous |
| No microthrombi |
Microthrombi characteristic |
| Lamina propria normal except for large vessels |
Fibromuscular hyperplasia with hyalinization of lamina propria |
