Causes of Portal Hypertension According to Site of Vascular Obstruction 1) Prehepatic pre-sinusoidal: Portal vein thrombosis due to sepsis (umbilical, portal pyaemia) or procoagulopathy or secondary to cirrhosis, Abdominal trauma including surgery 2) Intrahepatic pre-sinusoidal: Schistosomiasis, Congenital hepatic fibrosis, Drugs, Vinyl chloride, Sarcoidosis 3) Sinusoidal: Cirrhosis, Polycystic liver disease, Nodular regenerative hyperplasia, Metastatic malignant disease 4) Intrahepatic post-sinusoidal: Veno-occlusive disease 5) Post-hepatic post-sinusoidal: Budd-Chiari syndrome #portalhypertension #phtn #differential #diagnosis #causes #hepatology
