What is Presinusoidal?

What is Presinusoidal?

[pre″si-nŭ-soi´d’l] located in front of a sinusoid or affecting the circulation before the sinusoids are reached; used especially to denote the location of vascular resistance in portal hypertension.

What is Ehpvo?

Extrahepatic portal venous obstruction (EHPVO) is the commonest cause of portal hypertension and variceal bleeding in children.

What causes Pvt?

The underlying causes of portal vein thrombosis (PVT) are frequently multifactorial and include malignancies, progressive chronic liver diseases, processes localized to the epigastrium and hepatobiliary system, and acquired as well as inherited thrombophilia.

What is Presinusoidal sinusoidal and Postsinusoidal?

Portal hypertension is defined as a pathologic elevation in portal venous pressures. The causes are classified as presinusoidal, sinusoidal, or postsinusoidal. In presinusoidal portal hypertension, there is obstruction or stenosis in the portal vein, its tributaries, or intrahepatic branches.

What is portal vein cavernoma?

Cavernous transformation of the portal vein (portal cavernoma) is a rare condition consisting of portosystemic or portoportal collaterals that substitute for a thrombosed portal vein.

What is NCPF?

Non-cirrhotic portal fibrosis (NCPF) is a chronic liver disease and type of non-cirrhotic portal hypertension (NCPH).

What is Portal Cavernoma?

What is Portal Pylephlebitis?

Pylephlebitis, or infective suppurative thrombosis of the portal vein, is a serious condition with significant morbidity and mortality, which can complicate intraabdominal sepsis of any etiology.

What is a liver sinusoid?

Sinusoids are low pressure vascular channels that receive blood from terminal branches of the hepatic artery and portal vein at the periphery of lobules and deliver it into central veins. Sinusoids are lined with endothelial cells and flanked by plates of hepatocytes.

Where are Paraumbilical veins?

The paraumbilical veins are small veins around the falciform ligament that drain venous blood from the anterior part of the abdominal wall and diaphragm directly into the liver, and communicate with other anterior abdominal wall veins.

What is Pylephlebitis and how is it defined?

Pylephlebitis is defined as a suppurative and inflamed thrombosis of the portal vein (1), which is a rare but potentially lethal complication of an intra-abdominal infection with a mortality rate of 25%. This condition can be difficult to diagnose due to its nonspecific clinical presentation.

What is Pylephlebitis of the portal mesenteric system?

Pylephlebitis, or suppurative thrombophlebitis of the portal mesenteric venous system occurring in the setting of abdominal inflammatory processes, is a rare but deadly disease commonly associated with diverticulitis. We review our institutional experience in the management of patients with this condition.

What is the prognosis of portal Pylephlebitis?

Pylephlebitis is an inflammation of the portal vein or any of its branches. It is usually a complication of intraabdominal sepsis, most often following diverticulitis or appendicitis. It has a poor prognosis.

Does Pylephlebitis show up on CT scan?

Pylephlebitis can be diagnosed via abdominal ultrasonography showing a thrombus in the portal vein (5). An abdominal CT scan is less operator-dependent and is more widely used because of its ability to detect other sources of infection in the abdomen.

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