Inferior mesenteric arteriovenous fistula

Inferior mesenteric arteriovenous fistula

Arteriovenous fistula (AVF) involving the inferior mesenteric artery and vein is very rare with only 33 cases described in the literature and may be of congenital or acquired (iatrogenic or traumatic) or idiopathic etiology. The pathophysiology of AVF that acts as a left-to-right shunt has accounted for clinical signs and symptoms associated with ischemic colitis, portal hypertension, and heart...

Inferior mesenteric arteriovenous fistula with nonpulsatile abdominal mass

RATIONALE Inferior mesenteric arteriovenous fistula (IMAVF) is a rare condition principally characterized by portal hypertension and ischemic bowel disease. Up to now, only 30 cases have been reported. Presented here is an IMAVF patient with nonpulsatile abdominal mass as the main manifestation. PATIENT CONCERNS A 62-year-old Chinese male who complained of abdominal discomfort for a month was...

Mesenteric arteriovenous fistula after a gunshot wound.

Inferior mesenteric arteriovenous malformation: an unusual cause of ischemic colitis

A 59-year-old male presented with a 1-month history of intermittent diarrhea, abdominal pain, and hematochezia. He had a right hemicolectomy for cecal cancer 5 years ago. His radiologic and endoscopic surveillance have been negative. He had no other medical comorbidities. On presentation, he was hemodynamically stable. Laboratory studies were only significant for anemia (hemoglobin 10.2 g/dL) w...

Portal hypertension caused by postoperative superior mesenteric arteriovenous fistula.

INTRODUCTION Arteriovenous fistula of the superior mesenteric blood vessels is a rare complicaton in abdominal surgery. CASE REPORT We presented a 49-year-old man with cramp-like abdominal pain, abdominal distension and weight loss symptoms, with a history of previous small bowel resection and right colectomy, due to Crohn disease, 16 years ago. Clinical examination revealed a paraumbilical p...