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Related Concept Videos

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Jaundice

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Jaundice, or icterus, is the yellow discoloration of the skin, sclerae, and mucous membranes. It happens when plasma bilirubin levels rise above 2.5-3 mg/dL, leading to bilirubin deposition in tissue.Bilirubin is a byproduct of hemoglobin degradation. In macrophages, hemoglobin breaks down into globin and heme. Globin is converted into amino acids, while heme is turned into biliverdin by heme oxygenase, which is then reduced to unconjugated bilirubin by biliverdin reductase.Unconjugated...
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Portal hypertension is an increase in blood pressure within the portal venous system. Normally, this pressure is less than 5 mmHg. It is considered clinically significant when it rises above 10 mmHg. At this threshold, complications from altered blood flow and venous congestion emerge.EtiologyPortal hypertension arises from conditions that impede blood flow through the liver. The most common cause is cirrhosis, in which chronic liver injury leads to fibrotic scarring. This fibrosis narrows or...
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Cirrhosis is a progressive chronic liver injury caused by prolonged inflammation, excessive fibrotic remodeling, and impaired regeneration. Over time, repeated hepatic insults disrupt the liver’s architecture and function, leading to reduced blood flow, impaired bile drainage, and diminished metabolic capacity.Pathophysiology of cirrhosisCirrhosis arises from three main responses to chronic liver damage: inflammation, immune activation, and hepatocyte death. These processes lead to...
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Hepatic artery aneurysm causing obstructive jaundice.

Alexander Julianov1, Yonko Georgiev1

  • 1Department of Surgery, Trakia University Hospital, 6000 Stara Zagora, Bulgaria.

Quantitative Imaging in Medicine and Surgery
|September 10, 2014
PubMed
Summary

Hepatic artery aneurysms (HAA) are rare vascular conditions. Diagnosis of HAA, often asymptomatic, relies on imaging, with complications like jaundice or rupture being common presentation points.

Keywords:
Hepatic arteryaneurysmcomplicationsjaundice

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Area of Science:

  • Vascular Surgery
  • Gastroenterology
  • Diagnostic Imaging

Background:

  • Hepatic artery aneurysms (HAA) are uncommon, comprising 14-20% of visceral artery aneurysms.
  • Most HAAs are extrahepatic and increasingly iatrogenic, linked to biliary procedures.
  • Predisposing factors include trauma, infection, inflammation, and atherosclerosis.

Observation:

  • HAAs are frequently asymptomatic, with diagnosis often occurring after complications arise.
  • Common complications include rupture, bleeding, obstructive jaundice, and biliary tree rupture.
  • This case highlights HAA presenting with obstructive jaundice.

Findings:

  • Diagnosis of hepatic artery aneurysms is consistently established through imaging modalities.
  • Imaging is crucial for identifying HAAs regardless of their clinical presentation.
  • Early detection through imaging can potentially prevent severe complications.

Implications:

  • Understanding the etiology and predisposing factors of HAAs is vital for prevention.
  • Timely diagnosis via imaging can guide appropriate management strategies.
  • Awareness of HAA presentations, including jaundice, is important for clinicians.