계명대학교 의학도서관 Repository

Patterns of accentuated grey-white differentiation on diffusion-weighted imaging or the apparent diffusion coefficient maps in comatose survivors after global brain injury

Metadata Downloads
Author(s)
E. KimC.-H. SohnK.-H. ChangH.-W. ChangD.H. Lee
Publication Year
2011
Abstract
AIM: To determine what disease entities show accentuated greyewhite differentiation of the
cerebral hemisphere on diffusion-weighted images (DWI) or apparent diffusion coefficient
(ADC) maps, and whether there is a correlation between the different patterns and the cause of
the brain injury.
METHODS AND MATERIALS: The DWI and ADC maps of 19 patients with global brain injury
were reviewed and evaluated to investigate whether there was a correlation between the
different patterns seen on the DWI and ADC maps and the cause of global brain injury. The ADC
values were measured for quantitative analysis.
RESULTS: There were three different patterns of ADC decrease: a predominant ADC decrease
in only the cerebral cortex (n¼ 8; pattern I); an ADC decrease in both the cerebral cortex and
white matter (WM) and a predominant decrease in the WM (n ¼ 9; pattern II); and
a predominant ADC decrease in only the WM (n ¼3; pattern III).
CONCLUSION: Pattern I is cerebral cortical injury, suggesting cortical laminar necrosis in
hypoxic brain injury. Pattern II is cerebral cortical and WM injury, frequently seen in brain
death, while pattern 3 is mainly WM injury, especially found in hypoglycaemic brain injury. It
is likely that pattern I is decorticate injury and pattern II is decerebrate injury in hypoxic
ischaemic encephalopathy.Patterns I and II are found in severe hypoxic brain injury, and
pattern II is frequently shown in brain death, whereas pattern III was found in severe hypoglycaemic
injury.
Department
Dept. of Radiology (영상의학)
Publisher
School of Medicine
Citation
Clinical Radiology, Vol.66(5) : 440-448, 2011
Type
Article
ISSN
0009-9260
URI
http://kumel.medlib.dsmc.or.kr/handle/2015.oak/35521
Authorize & License
  • AuthorizeOpen
Files in This Item:

Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.