Literature DB >> 20846980

Dynamic nature of the CT angiographic "spot sign".

S Chakraborty1, D Blacquiere, C Lum, G Stotts.   

Abstract

The "spot sign", first described in 2007, has shown that a focal area of contrast extravasation within an intracerebral haematoma (ICH) can be correlated with haematoma expansion. We describe a case where time-resolved dynamic CT angiography (dCTA) shows the appearance of the "spot sign" only in later images. This finding highlights the importance of timing of the static CT angiogram which, if performed too early, might result in a false-negative diagnosis.

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Year:  2010        PMID： 20846980      PMCID： PMC3473752          DOI： 10.1259/bjr/74416385

Source DB:  PubMed          Journal:  Br J Radiol        ISSN： 0007-1285            Impact factor:   3.039


  7 in total

1.  Pathological observations in hypertensive cerebral hemorrhage.

Authors:  C M Fisher
Journal:  J Neuropathol Exp Neurol       Date:  1971-07       Impact factor: 3.685

2.  Early hemorrhage growth in patients with intracerebral hemorrhage.

Authors:  T Brott; J Broderick; R Kothari; W Barsan; T Tomsick; L Sauerbeck; J Spilker; J Duldner; J Khoury
Journal:  Stroke       Date:  1997-01       Impact factor: 7.914

3.  CT angiography "spot sign" predicts hematoma expansion in acute intracerebral hemorrhage.

Authors:  Ryan Wada; Richard I Aviv; Allan J Fox; Demetrios J Sahlas; David J Gladstone; George Tomlinson; Sean P Symons
Journal:  Stroke       Date:  2007-02-22       Impact factor: 7.914

4.  Extravasation of radiographic contrast is an independent predictor of death in primary intracerebral hemorrhage.

Authors:  K J Becker; A B Baxter; H M Bybee; D L Tirschwell; T Abouelsaad; W A Cohen
Journal:  Stroke       Date:  1999-10       Impact factor: 7.914

5.  Postcontrast CT extravasation is associated with hematoma expansion in CTA spot negative patients.

Authors:  Ashraf Ederies; Andrew Demchuk; Tze Chia; David J Gladstone; Dar Dowlatshahi; Gabriel Bendavit; Kelly Wong; Sean P Symons; Richard I Aviv
Journal:  Stroke       Date:  2009-03-12       Impact factor: 7.914

6.  Contrast extravasation on CT predicts mortality in primary intracerebral hemorrhage.

Authors:  J Kim; A Smith; J C Hemphill; W S Smith; Y Lu; W P Dillon; M Wintermark
Journal:  AJNR Am J Neuroradiol       Date:  2007-12-07       Impact factor: 3.825

7.  Efficacy and safety of recombinant activated factor VII for acute intracerebral hemorrhage.

Authors:  Stephan A Mayer; Nikolai C Brun; Kamilla Begtrup; Joseph Broderick; Stephen Davis; Michael N Diringer; Brett E Skolnick; Thorsten Steiner
Journal:  N Engl J Med       Date:  2008-05-15       Impact factor: 91.245
  7 in total
  11 in total

1.  Modeling the pattern of contrast extravasation in acute intracerebral hemorrhage using dynamic contrast-enhanced MR.

Authors:  R Liu; T J Huynh; Y Huang; D Ramsay; K Hynynen; R I Aviv
Journal:  Neurocrit Care       Date:  2015-04       Impact factor: 3.210

2.  CT perfusion spot sign improves sensitivity for prediction of outcome compared with CTA and postcontrast CT.

Authors:  A Koculym; T J Huynh; R Jakubovic; L Zhang; R I Aviv
Journal:  AJNR Am J Neuroradiol       Date:  2012-11-01       Impact factor: 3.825

3.  The speed of ultraearly hematoma growth in acute intracerebral hemorrhage.

Authors:  Shoichiro Sato; Hisatomi Arima; Yoichiro Hirakawa; Emma Heeley; Candice Delcourt; Ronny Beer; Yuechun Li; Jingfen Zhang; Eric Jüettler; Jiguang Wang; Pablo M Lavados; Thompson Robinson; Richard I Lindley; John Chalmers; Craig S Anderson
Journal:  Neurology       Date:  2014-11-05       Impact factor: 9.910

Review 4.  Management of Patients on Non-Vitamin K Antagonist Oral Anticoagulants in the Acute Care and Periprocedural Setting: A Scientific Statement From the American Heart Association.

Authors:  Amish N Raval; Joaquin E Cigarroa; Mina K Chung; Larry J Diaz-Sandoval; Deborah Diercks; Jonathan P Piccini; Hee Soo Jung; Jeffrey B Washam; Babu G Welch; Allyson R Zazulia; Sean P Collins
Journal:  Circulation       Date:  2017-02-06       Impact factor: 29.690

5.  Which emphasizing factors are most predictive of hematoma expansion in spot sign positive intracerebral hemorrhage?

Authors:  So Hyun Kim; Hyun Ho Jung; Kum Whang; Jong Yun Kim; Jin Su Pyen; Ji Woong Oh
Journal:  J Korean Neurosurg Soc       Date:  2014-08-31

6.  Spot sign on 90-second delayed computed tomography angiography improves sensitivity for hematoma expansion and mortality: prospective study.

Authors:  Viesha A Ciura; H Bart Brouwers; Raffaella Pizzolato; Claudia J Ortiz; Jonathan Rosand; Joshua N Goldstein; Steven M Greenberg; Stuart R Pomerantz; R Gilberto Gonzalez; Javier M Romero
Journal:  Stroke       Date:  2014-10-09       Impact factor: 7.914

7.  Dynamic 'Spot Sign' Resolution following INR Correction in a Patient with Warfarin-Associated Intracerebral Hemorrhage.

Authors:  S Chakraborty; G Stotts; C Rush; M J Hogan; D Dowlatshahi
Journal:  Case Rep Neurol       Date:  2011-07-13

8.  Intracerebral hemorrhage: toward physiological imaging of hemorrhage risk in acute and chronic bleeding.

Authors:  Raphael Jakubovic; Richard I Aviv
Journal:  Front Neurol       Date:  2012-05-25       Impact factor: 4.003

Review 9.  The accuracy of spot sign in predicting hematoma expansion after intracerebral hemorrhage: a systematic review and meta-analysis.

Authors:  Fei-Zhou Du; Rui Jiang; Ming Gu; Ci He; Jing Guan
Journal:  PLoS One       Date:  2014-12-26       Impact factor: 3.240

10.  Dynamic characterization of the CT angiographic 'spot sign'.

Authors:  Santanu Chakraborty; Mohammed Alhazzaa; Jason K Wasserman; Yang Yang Sun; Grant Stotts; Mathew J Hogan; Andrew Demchuk; Richard I Aviv; Dar Dowlatshahi
Journal:  PLoS One       Date:  2014-03-03       Impact factor: 3.240
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