All that bleeds is not black: susceptibility weighted imaging of intracranial hemorrhage and the effect of T1 signal

Michael B. Salmela; Shri H. Krishna; Douglas J. Martin; Sara Khanipour Roshan; Alexander M. McKinney; Huseyin G. Tore; Brian Knaeble; Jeffrey B. Rykken; Zuzan Cayci; Bharathi D. Jagadeesan

doi:10.1016/j.clinimag.2016.10.009

All that bleeds is not black: susceptibility weighted imaging of intracranial hemorrhage and the effect of T1 signal

Michael B. Salmela, Shri H. Krishna, Douglas J. Martin, Sara Khanipour Roshan, Alexander M. McKinney, Huseyin G. Tore, Brian Knaeble, Jeffrey B. Rykken, Zuzan Cayci, Bharathi D. Jagadeesan

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Abstract

Purpose To determine if intracranial hemorrhages (ICH) are always hypointense on Susceptibility weighted imaging (SWI) and to determine the effect of T1-signal intensity on the appearance of ICH in SWI series. Methods SWI and T1-signal intensities of ICH were retrospectively studied in a series of patients. SWI signal intensities were statistically correlated with T1-signal intensities. Results In a series of 57 MRI scans from 40 patients, ICH was hypointense in 19, mixed-intensity in 21, and hyperintense in 17. Hyperintensity of ICH on SWI was significantly associated with increased T1 signal (P<.001). Conclusion ICH can have a varied appearance on SWI.

Original language	English (US)
Pages (from-to)	69-72
Number of pages	4
Journal	Clinical Imaging
Volume	41
DOIs	https://doi.org/10.1016/j.clinimag.2016.10.009
State	Published - Jan 1 2017

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Publisher Copyright:
© 2016 Elsevier Inc.

Keywords

Intracranial hemorrhage
MRI
Subarachnoid hemorrhage
Susceptibility weighted imaging

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title = "All that bleeds is not black: susceptibility weighted imaging of intracranial hemorrhage and the effect of T1 signal",

abstract = "Purpose To determine if intracranial hemorrhages (ICH) are always hypointense on Susceptibility weighted imaging (SWI) and to determine the effect of T1-signal intensity on the appearance of ICH in SWI series. Methods SWI and T1-signal intensities of ICH were retrospectively studied in a series of patients. SWI signal intensities were statistically correlated with T1-signal intensities. Results In a series of 57 MRI scans from 40 patients, ICH was hypointense in 19, mixed-intensity in 21, and hyperintense in 17. Hyperintensity of ICH on SWI was significantly associated with increased T1 signal (P<.001). Conclusion ICH can have a varied appearance on SWI.",

keywords = "Intracranial hemorrhage, MRI, Subarachnoid hemorrhage, Susceptibility weighted imaging",

author = "Salmela, {Michael B.} and Krishna, {Shri H.} and Martin, {Douglas J.} and Roshan, {Sara Khanipour} and McKinney, {Alexander M.} and Tore, {Huseyin G.} and Brian Knaeble and Rykken, {Jeffrey B.} and Zuzan Cayci and Jagadeesan, {Bharathi D.}",

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year = "2017",

month = jan,

day = "1",

doi = "10.1016/j.clinimag.2016.10.009",

language = "English (US)",

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TY - JOUR

T1 - All that bleeds is not black

T2 - susceptibility weighted imaging of intracranial hemorrhage and the effect of T1 signal

AU - Salmela, Michael B.

AU - Krishna, Shri H.

AU - Martin, Douglas J.

AU - Roshan, Sara Khanipour

AU - McKinney, Alexander M.

AU - Tore, Huseyin G.

AU - Knaeble, Brian

AU - Rykken, Jeffrey B.

AU - Cayci, Zuzan

AU - Jagadeesan, Bharathi D.

PY - 2017/1/1

Y1 - 2017/1/1

N2 - Purpose To determine if intracranial hemorrhages (ICH) are always hypointense on Susceptibility weighted imaging (SWI) and to determine the effect of T1-signal intensity on the appearance of ICH in SWI series. Methods SWI and T1-signal intensities of ICH were retrospectively studied in a series of patients. SWI signal intensities were statistically correlated with T1-signal intensities. Results In a series of 57 MRI scans from 40 patients, ICH was hypointense in 19, mixed-intensity in 21, and hyperintense in 17. Hyperintensity of ICH on SWI was significantly associated with increased T1 signal (P<.001). Conclusion ICH can have a varied appearance on SWI.

AB - Purpose To determine if intracranial hemorrhages (ICH) are always hypointense on Susceptibility weighted imaging (SWI) and to determine the effect of T1-signal intensity on the appearance of ICH in SWI series. Methods SWI and T1-signal intensities of ICH were retrospectively studied in a series of patients. SWI signal intensities were statistically correlated with T1-signal intensities. Results In a series of 57 MRI scans from 40 patients, ICH was hypointense in 19, mixed-intensity in 21, and hyperintense in 17. Hyperintensity of ICH on SWI was significantly associated with increased T1 signal (P<.001). Conclusion ICH can have a varied appearance on SWI.

KW - Intracranial hemorrhage

KW - MRI

KW - Subarachnoid hemorrhage

KW - Susceptibility weighted imaging

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SP - 69

EP - 72

JO - Clinical Imaging

JF - Clinical Imaging

ER -

All that bleeds is not black: susceptibility weighted imaging of intracranial hemorrhage and the effect of T1 signal

Abstract

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Keywords

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