Surgical Pathology Criteria

Dieulafoy Lesion / Caliber Persistent Artery

Differential Diagnosis

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

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