24 results
Causes of Portal Hypertension According to Site of Vascular Obstruction
1) Prehepatic pre-sinusoidal: Portal vein thrombosis due
Causes of Portal ... pre-sinusoidal: Portal ... Cirrhosis, Polycystic liver ... regenerative hyperplasia, Metastatic ... differential #diagnosis #causes
Portal Hypertension - Differential Diagnosis
Portal Pressure = the pressure difference between the pressure in the portal
Post-Hepatic: • Cardiac causes ... sarcoidosis) • Liver ... metastasis • ... Fatty liver of pregnancy ... Differential #Diagnosis #causes
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Appearance of Liver ... Contrast Enhanced Ultrasound ... embryonal sarcoma, Metastasis ... #Liver #Lesions ... #Hepatic #Ultrasound
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
Leukocoria (absent or partial ... in vitreous • Metastatic ... Retinoblastoma #pathophysiology ... #ophthalmology
Portal venous gas on hepatic ultrasound: A concerning finding in the critically ill patient that should
Portal venous gas ... on hepatic ultrasound ... variety of other causes ... #venousgas #ultrasound ... #hepatology #liver
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
Acute Fatty Liver ... Pregnancy (AFLP) Pathophysiology ... = nonspecific (nausea ... Antithrombin Ill • Ultrasound ... diagnosis #management #pathophysiology
Gynecomastia - Differential Diagnosis Algorithm
No Testicular Mass on Ultrasound
 • Adrenal Neoplasm
 • Increased Extraglomerular Aromatase
Testicular Mass on Ultrasound ... Aromatase Activity • Liver ... Germ Cell Tumor Normal ... Secreting Tumor Normal ... Diagnosis #Algorithm #causes
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
• Drugs: - Oral ... Syndrome, Ischemic Liver ... atheroemboli) • Aorta ... coagulation and other causes ... Venous #Arterial #pathophysiology
Primary Biliary Cirrhosis (PBC) - Summary

PBC Epidemiology:
 • Female:Male 9:1
 • Common European descent
 • Age:
65 years PBC Pathophysiology ... intralobular bile ducts causes ... cholestasis → Cirrhosis/Liver ... • ALT & AST normal ... or higher • Liver
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
protein C and S Pathophysiology ... DIC • Severe Liver ... Treat primary cause ... - APTT < 1.5 x normal ... Coagulation #diagnosis #causes