Ophthalmic Signs
Ophthalmic Signs Case 1.1 A 21-year-old college student presents with a 2-day history of a red and painful right eye. He reports that he sleeps with his contact lenses that…
Information about MR and CT Contrast Agents
Information about MR and CT Contrast Agents Roland Bammer This short chapter is intended to provide an overview of some of the most common commercially available magnetic resonance imaging (MRI)…
Management of Frontal Sinus Fractures
Management of Frontal Sinus Fractures Paul J. Donald INTRODUCTION Fractures of the frontal sinus have become less common due to the introduction of the seat belt in modern automobiles. The…
Normal Blood Flow Values in Organs
Normal Blood Flow Values in Organs Shalini A. Amukotuwa Didem Aksoy Roland Bammer Blood flow is a measure that allows us to determine the rate at which oxygen and nutrients…
Nasoethmoidal and Le Fort Iii Facial Fractures
Nasoethmoidal and Le Fort Iii Facial Fractures Robert M. Kellman INTRODUCTION The fractures discussed in this section are typically described as high-energy or high-velocity or high-impact injuries to the facial…
Dynamic Contrast-Enhanced Magnetic Resonance Imaging Calibration between Sites and Comparability
Dynamic Contrast-Enhanced Magnetic Resonance Imaging Calibration between Sites and Comparability Gudrun Zahlmann Peter Gall Sandeep N. Gupta Thorsten Persigehl Dynamic contrast-enhanced (DCE) magnetic resonance imaging (MRI) is a method used…
Le Fort I and Le Fort Ii Fractures
Le Fort I and Le Fort Ii Fractures Jacob O. Boeckmann INTRODUCTION Fractures of the midface account for up to 20% of facial fractures presenting to the emergency department. When…
Fractures of the Zygomaticomaxillary Complex
Fractures of the Zygomaticomaxillary Complex Jason H. Kim INTRODUCTION Zygomaticomaxillary complex (ZMC) fractures occur frequently, representing the first or second most common facial fracture, depending on the series reported. They…
Arterial Spin Labeling Calibration between Sites and Comparability
Arterial Spin Labeling Calibration between Sites and Comparability Thomas T. Liu Matthias J.P. van Osch Matthias Günther Xavier Golay Arterial spin labeling (ASL) has been in use for more than…
Percutaneous Approach to Mandibular Angle Fractures
Percutaneous Approach to Mandibular Angle Fractures Michael A. Carron INTRODUCTION Facial trauma is responsible for a substantial portion of injuries seen in the emergency room. The most common cause of…
