Splenic Vein Aneurysm & Chronic Pancreatitis: A Rare Association
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Splenic Vein Aneurysm & Chronic Pancreatitis: A Rare Association Skaf Jad 1 , Bhishak Kamat 2 1 Division of Internal Medicine, 2 Division of Radiology. Introduction

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Introduction

Splenic Vein Aneurysm & Chronic Pancreatitis: A Rare Association

Skaf Jad1, Bhishak Kamat2

1Division of Internal Medicine, 2Division of Radiology

  • Introduction

  • Portal venous system aneurysms, which are the most common of the visceral venous aneurysms, are defined as a focal saccular or fusiform dilatation of the portal venous system. Portal venous system aneurysms represent 3% of all venous aneurysms. Prevalence is 0.6 per 1,000 persons. The most common sites at which portal venous system aneurysms develop are the main portal vein and the confluence of the splenic and the superior mesenteric veins. A significant number of previously reported cases of portal venous system aneurysms were associated with liver cirrhosis and portal hypertension. Most people with a portal venous system aneurysm are asymptomatic.

  • Vascular abnormalities associated with pancreatitis are well described, up to 50% with acute necrotizing pancreatitis, and include superior mesenteric and/or portal vein thromboses and arterial pseudo-aneurysms. Portal vein aneurysms and/or spleno-mesenteric venous aneurysms are rare entities.

CT A/P

3D Reconstruction

Focal Dilatation involving the central aspect of the splenic vein measuring 1.7x1.7 cm.

MR Abdomen

Splenic Vein pseudo-aneurysm measuring 18 mm.

Case History & HPI

Fluoroscopy

  • We describe a case of a 68 yo female with a history of recurrent pancreatitis who presented with intractable abdominal pain.

  • She was first diagnosed with pancreatitis back in August 2007, then underwent cholecystectomy for gallstones, but following that she had recurrent pancreatitis. She was at an outside hospital for a total of 5 weeks for abdominal pain. She presented to our institution one day after being discharged , complaining of persistent and intractable abdominal pain with nausea and inability to tolerate per os intake.

  • Other PMH is notable for Diabetes Mellitus, Hyperlipidemia, Hypertension and Hypothyroidism.

Physical Exam

Treatment & Follow-up

  • Vitals: Temp 97.2, HR 68, BP 149/72, SpO2 98% on RA

  • In Mild Distress (Pain), cachectic

  • Abdominal Exam: BS present normal, n

  • o Organomegaly.

  • No rebound tenderness, no guarding, no defense.

  • + Epigastric Tenderness.

  • Rest of physical exam is unremarkable

  • Symptoms of Splenic Vein Aneurysms are unusual. In our case the patient’s symptoms were caused by the recurrent pancreatitis.

  • Complications include rupture and Bleeding.

  • Because the incidence of these aneurysms are low, the exact type of intervention and the frequency of monitoring is unknown.

  • Follow-up by Duplex Sonography or CT-Scan is recommended every year until regression or a stable pattern is recognized.

  • Prophylactic surgical intervention or decompressive procedures are recommended in high-risk aneurysms in such cases where mechanical forces such as portal hypertension cause progressive enlargement of the aneurysms and pain.

  • Most cases are managed by simple observation and do not progress. In the case of our patient her splenic vein aneurysm has been stable in size at 1 year follow-up.

Amylase 165

Lipase134

Alkaline Phos.77

Bilirubin Total0.3

Bilirubin Direct 0.1

135

100

4

165

3.6

0.7

26

8.2

ALT13

AST22

Albumin 2.8

5.4

244

26.6


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