Emergency Radiology: Imaging of Acute Pathologies

Preface
Contents
Contributors
1: Imaging of Acute Aortic Conditions
	Introduction
	Abdominal Aortic Aneurysm and Aortic Rupture
		Risk Factors for Aortic Rupture
		Imaging
		Hyperdense Crescent Sign
		Draped Aorta Sign
		Tangential Calcium Sign
		Mycotic Aneurysm
		Traumatic Aortic Transection
	Aortic Dissection
		Imaging
		True Versus False Lumen
		Intramural Hematoma
		Endoleak
		Penetrating Ulcer
	References
2: Emergencies of the Biliary Tract
	Introduction
	Acute Cholecystitis
	Imaging
	Mirizzi Syndrome
	Empyema
	Gangrenous Cholecystitis
	Emphysematous Cholecystitis
	Perforation
	Gallbladder Torsion
	Biliary Ductal Obstruction
	Cholangitis
	Hemobilia
	Gallstone Ileus
	Complications After Biliary Surgery
	Role of MRI in Emergent Biliary Pathologies
	References
3: Acute Appendicitis
	Normal Anatomy
	Pathophysiology
	Pathological Stages of Appendicitis: Three Stages
	Current Status of US, CT, and MR
	CT Protocol
		Imaging Findings on CT
	Complications
		Ultrasound Imaging
		Ultrasound Findings of Acute Appen