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Celiac and mesenteric angiography is described as a method for the evaluation of pathologic states of the greater omentum.
Metastatic involvement of the omentum (11 cases) showed prominent hypertrophy and tortuosity of the epiploic vessels in the majority of cases. New vessel formation and tumor staining were less frequent.
Primary tumors of the omentum (2 cases) showed in addition to hypertrophy of the epiploic vessels, stretching and characteristic right angle bifurcations.
A case with fibromuscular dysplasia of the epiploic vessels bleeding between the layers of the mesocolic ligament, presenting clinically as internal blood loss and a movable abdominal mass, is also reported.
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