scholarly journals B-mode Ultrasound Versus Color Doppler Twinkling Artifact in Detecting Kidney Stones

2013 ◽  
Vol 27 (2) ◽  
pp. 149-153 ◽  
Author(s):  
Mathew D. Sorensen ◽  
Jonathan D. Harper ◽  
Ryan S. Hsi ◽  
Anup R. Shah ◽  
Manjiri K. Dighe ◽  
...  
Keyword(s):  
Kidney Stones ◽  
Color Doppler ◽  
Twinkling Artifact ◽  
Versus Color

Etiology of the color Doppler ultrasound twinkling artifact on in situ human kidney stones

2017 ◽  
Vol 142 (4) ◽  
pp. 2696-2696
Author(s):  
Julianna C. Simon ◽  
Barbrina Dunmire ◽  
Bryan Cunitz ◽  
Oleg A. Sapozhnikov ◽  
Jeffrey Thiel ◽  
...  
Keyword(s):  
Doppler Ultrasound ◽  
Kidney Stones ◽  
Color Doppler ◽  
Human Kidney ◽  
Color Doppler Ultrasound ◽  
Twinkling Artifact

scholarly journals Twinkle, twinkle little stone: an artifact improves the ultrasound performance!

2017 ◽  
Vol 19 (3) ◽  
pp. 272 ◽  
Author(s):  
Mirela Liana Gliga ◽  
Cristian Nicolae Chirila ◽  
Daniela Maria Podeanu ◽  
Torok Imola ◽  
Sanda Lucia Voicu ◽  
...  
Keyword(s):  
Doppler Ultrasound ◽  
Kidney Stones ◽  
Predictive Value ◽  
Color Doppler ◽  
Renal Stones ◽  
Intravenous Urography ◽  
Color Doppler Ultrasound ◽  
Urinary Stones ◽  
Lumbar Pain ◽  
Twinkling Artifact

Aims: Ultrasound is a noninvasive method used for the diagnosis of urinary lithiasis. When the length of the stone is less than 5 mm, its detection may be difficult. The twinkling artifact (TwA) is an intense alternating color signal behind calcifications and stones in different organs. The aim of this paper was to evaluate the importance of the TwA in detecting kidney stones less than 5 mm in length. Material and methods: We examined 230 patients with lumbar pain or a history of kidney stones. We excluded patients with stones larger than 5 mm. 174 patients corresponded to the inclusion criteria. We performed color Doppler ultrasound and we noticed the presence of the twinkling artifact. The gold standard for the diagnosis was either computed tomography (CT) scan, intravenous urography (IVU) or the spontaneous elimination of the stones.Results: We found renal stones in 123 patients. The twinkling artifact was present in 113 cases and absent in the rest of 10 patients. In two patients the artifact was present but the stones were not confirmed by CT. The twinkling artifact had sensitivity, specificity, positive predictive value and negative predictive value of 99.12%, 90.91%, 99.12%, and 90.91% respectively.Conclusions: The twinkling artifact is a very useful color Doppler ultrasound tool for the detection of small urinary stones. We suggest the routine use of color Doppler in all suspicious cases in order to avoid unnecessary irradiating and expensive radiological methods.

scholarly journals MP10-12 THE COLOR DOPPLER ULTRASOUND TWINKLING ARTIFACT AND MICROBUBBLES ON KIDNEY STONES IN HUMANS

2020 ◽  
Vol 203 ◽  
pp. e130
Author(s):  
Julianna Simon* ◽  
James Holm ◽  
Jeffrey Thiel ◽  
Barbrina Dunmire ◽  
Bryan Cunitz ◽  
...  
Keyword(s):  
Doppler Ultrasound ◽  
Kidney Stones ◽  
Color Doppler ◽  
Color Doppler Ultrasound ◽  
Twinkling Artifact

A case of breast cholesterol granuloma presenting twinkling artifact on color Doppler sonography

Choonpa Igaku ◽  
2014 ◽  
Vol 41 (6) ◽  
pp. 867-870
Author(s):  
Yuka KUJIRAOKA ◽  
Yuichi DAI ◽  
Emika ICHIOKA ◽  
Tatsuhiko IKEDA ◽  
Hisato HARA
Keyword(s):  
Doppler Sonography ◽  
Color Doppler ◽  
Color Doppler Sonography ◽  
Cholesterol Granuloma ◽  
Twinkling Artifact

DIAGNOSTIC ACCURACY OF GRAY SCALE ULTRASONOGRAPHY VERSUS COLOR DOPPLER IN SUSPECTED CASES OF ACUTE APPENDICITIS

2021 ◽  
Vol 5 (1) ◽  
Author(s):  
Tahir Iqbal ◽  
Muhammad Usman Shahid ◽  
Ishfaq Ahmad Shad ◽  
Shahzad Karim Bhatti ◽  
Syed Amir Gilani ◽  
...  
Keyword(s):  
Acute Appendicitis ◽  
Positive Predictive Value ◽  
Diagnostic Accuracy ◽  
Negative Predictive Value ◽  
Predictive Value ◽  
Color Doppler ◽  
Diagnostic Tools ◽  
Gray Scale ◽  
Versus Color ◽  
Sensitivity Specificity

ABSTRACT: BACKGROUND: A common surgical emergency is acute appendicitis. Various diagnostic tools are available to diagnosis acute appendicitis. Radiological investigations play an important role in making accurate and early diagnosis and thus preventing morbidity associated with the disease. OBJECTIVE: To determine the diagnostic accuracy of gray scale ultrasonography versus color Doppler in suspected cases of acute appendicitis. MATERIALS AND METHODS: The study was carried in the department of Radiology of Mayo Hospital, Lahore. A total of 75 patients were enrolled of age 18-40 years, both genders who were suspected cases of acute appendicitis. All patients underwent baseline investigations along with gray scale ultrasonography and color Doppler. All patients were subjected to surgery to confirm the diagnosis and findings were subjected to statistical analysis. RESULTS: The mean age of the patients was 23.25 ±10.55 and mean transverse diameter of appendix was 8.37 ±3.39. There were 62.7% males and 37.3%females. Findings of gray scale ultrasonography and color Doppler were then correlated with surgical findings to calculate the diagnostic accuracy of these modalities. The results revealed that gray scale ultrasonography sensitivity, specificity, positive predictive value, negative predictive value and accuracy was 92.7%, 94.32%, 95%, 91.4% and 93.3% respectively, whereas color Doppler had sensitivity, specificity, positive predictive value, negative predictive value and accuracy of 97.7%, 93.9%, 95.3%, 97% and 96% respectively. Diagnostic accuracy of both modalities together was 98.6%. CONCLUSION: Color Doppler has better diagnostic accuracy than gray scale ultrasonography for diagnosis of acute appendicitis and the combination of both modalities yields diagnostic accuracy that is similar to gold standard.

Twinkling Artifact in Color Doppler Imaging of the Orbit

2002 ◽  
Vol 21 (5) ◽  
pp. 559-563 ◽  
Author(s):  
Andrzej Ustymowicz ◽  
Jaroslaw Krejza ◽  
Zofia Mariak
Keyword(s):  
Color Doppler ◽  
Color Doppler Imaging ◽  
Doppler Imaging ◽  
Twinkling Artifact
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