What does porta hepatis mean?

hilum of the liver
The porta hepatis, or hilum of the liver, is a deep, short, transverse fissure that passes across the left posterior aspect of the undersurface of the right lobe of the liver. It separates the caudate lobe and process from the quadrate lobe and meets the left sagittal fossa perpendicularly (1).

What are the content of porta hepatis?

The porta hepatis is the central intraperitoneal fissure of the liver that separates the caudate and the quadrate lobes. It is the entrance and the exit for several important vessels including the portal vein, the hepatic artery, the hepatic nervous plexus, the hepatic ducts and the lymphatic vessels.

Is the porta hepatis part of the liver?

Porta hepatis: central region of liver which contains the hepatic artery, portal vein, lymphatic vessels, and extrahepatic bile ducts (referred to as portal area). Bile: fluid produced in the liver which aids in digestion.

Is the porta hepatis covered by peritoneum?

With the exception of the fossa of the gallbladder and porta hepatis, it is covered with peritoneum. It is moulded by the shape of the surrounding organs, making it irregular and flat.

What duct does go from porta hepatis?

common hepatic duct (leaving)

Is porta hepatis covered with peritoneum?

Visceral surface – the posteroinferior surface of the liver. With the exception of the fossa of the gallbladder and porta hepatis, it is covered with peritoneum. It is moulded by the shape of the surrounding organs, making it irregular and flat.

What part of liver is not covered by peritoneum?

The posterior aspect of the diaphragmatic surface is not covered by visceral peritoneum, and is in direct contact with the diaphragm itself (known as the ‘bare area’ of the liver).

Which area of liver is covered by peritoneum?

The coronary ligament represent reflections of the visceral peritoneum covering the liver onto the diaphragm. As such, between the two layers of the coronary ligament lies the bare area of the liver, and this is attached to the diaphragm by areolar tissue….

What is the triangle of Calot?

The triangle of Calot is an important landmark whose boundaries include the common hepatic duct medially, the cystic duct laterally, and the inferior edge of the liver superiorly. This triangular space is dissected to allow the surgeon to identify, divide, and ligate the cystic duct and artery.

What part of the liver is not covered by peritoneum?

Bare area of the liver
The bare area of the liver (nonperitoneal area) is a large triangular area on the diaphragmatic surface of the liver, devoid of peritoneal covering. It is attached directly to the diaphragm by loose connective tissue.

How big is a simple hepatic cyst in centimeters?

Simple hepatic cysts may be isolated or multiple and may vary from a few millimeters to several centimeters in diameter. Simple hepatic cysts are benign developmental lesions that do not communicate with the biliary tree 2. The current theory regarding the origin of true hepatic cysts is that they originate from hamartomatous tissue.

Can a hepatic cyst be a sign of a serious condition?

Liver cysts or hepatic cysts are relatively common and can be simple or the sign of a more serious health condition. The thin-walled sac filled with air, fluid, or semi-solid material on the liver can include various symptoms depending on the cause.

Can a simple hepatic cyst be diagnosed by MRI?

Simple hepatic cysts are common benign liver lesions and have no malignant potential. They can be diagnosed with ultrasound, CT, or MRI. Simple hepatic cysts are one of the commonest liver lesions, occurring in ~2-7% of the population 1,2. There may be a slight female predilection.

Which is the best image of a cystic hepatic lesion?

A, Axial contrast-enhanced CT image shows incidental cystic lesion ( asterisks) in lateral segment. Fig. 1B —Simple hepatic cyst in 49-year-old woman who presented with abdominal pain. B, Ultrasound image obtained for further evaluation confirms simple nature of cyst.