Portal Hypertension Classification by site of vascular obstruction 1) Post-hepatic Post-sinusoidal: Budd-Chiari syndrome 2) Intrahepatic Post-sinusoidal: Veno-occlusive disease 3) Sinusoidal: Cirrhosis, Polycystic liver disease, Nodular regenerative hyperplasia, Metastatic malignant disease 4) Intrahepatic Pre-sinusoidal: Schistosomiasis, Congenital hepatic fibrosis, Drugs, Vinyl chloride, Sarcoidosis 5) Prehepatic Pre-sinusoidal: Portal vein thrombosis due to sepsis (umbilical, portal pyaemia) or procoagulopathy or secondary to cirrhosis, Abdominal trauma including surgery #Portal #Hypertension #Classification #gastroenterology #diagnosis #differential
