Multiparametric ultrasound in torsion of the testicular appendages: a reliable diagnostic tool?

Aim: Torsion of the testicular appendages represents the most common cause of an acute scrotum in prepubertal boys. Its sonographic appearances on gray-scale US and color Doppler US have already been presented in several studies. The aim of this analysis was to expand those already established techniques with strain elastography and thus present typical features of this entity on multiparametric US.Material and methods: Retrospective analysis of all patients presented to the urological department with an acute scrotum between January 2018 and July 2020 identified eleven patients 6-17 years old (mean, 11.1 years), discharged with the diagnosis torsion of the testicular appendages that were examined with a high-end ultrasound device. Results: On gray-scale US all patients showed a round lesion with heterogenous echotexture adjacent to the upper pole of the testis/epididymis with a diameter of 4 to 11.1 mm (mean, 7.7 mm). Scrotal skin thickening and a concomitant hydrocele were found in 9 (81.8%) and 7 (63.6%) cases, respectively. On color Doppler images, all torsed appendages were avascular and in 9 (81.8%) patients we observed hyperemia of the adjacent epididymis. Strain elastography showed increased tissue stiffness in all documented images.Conclusion: Torsion of the testicular appendages has a set of features on multiparametric US. Awareness of this features can facilitate diagnosis of torsion of the testicular appendages and reduce unnecessary surgicalscrotal exploration or unwarranted antibiotic treatment.

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A semiquantitative color Doppler ultrasound scoring system for evaluation of synovitis in joints of patients with blood-induced arthropathy

Insights into Imaging ◽

10.1186/s13244-021-01043-0 ◽

2021 ◽

Vol 12 (1) ◽

Author(s):

Ningning Zhang ◽

Sheng Yang ◽

Anne-Fleur Zwagemaker ◽

Aihua Huo ◽

Ying-Jia Li ◽

...

Keyword(s):

Doppler Ultrasound ◽

Scoring System ◽

Color Doppler ◽

Color Doppler Ultrasound ◽

Von Willebrand Disease ◽

Bleeding Disorders ◽

Gray Scale ◽

Synovial Hypertrophy ◽

Doppler Us ◽

Color Doppler Us

Abstract Background Intra-articular bleeds in patients with inherited bleeding disorders lead to active synovitis which may progress to a chronic state over time. We explored the diagnostic value of color Doppler ultrasound in detecting synovitis in boys with bleeding disorders. Results Sixty boys with hemophilia and 3 boys with type 3 von Willebrand disease aged 5 to 18 years (median 12.3 years) were imaged by gray-scale and color Doppler ultrasound (US) in three centers (Beijing, China [n = 22], Guangzhou, China [n = 12] and Toronto, Canada [n = 29])) in this observational study. Images were independently reviewed by two radiologists blinded to clinical data using a subjective semi-quantitative scoring system and objective measurements of synovial thickness and vascularity. Inter-reader reliability for using subjective versus objective color Doppler US methods for assessing synovial vascularity was excellent for the subjective method and moderate/lower range of substantial for the objective method. Agreement between degree of vascularity on color Doppler and extent of synovial hypertrophy on gray-scale US was overall poor for Canada data and moderate for China data. Correlations between degree of vascularity on color Doppler and synovial hypertrophy on gray-scale US, and clinical constructs (total and itemized HJHS scores and total Pettersson X-ray scores) for assessment of blood-induced arthropathy were all poor. Conclusion Color Doppler US is a valuable scoring method for evaluating reactive synovitis in joints of subjects with inherited bleeding disorders and holds potential for assessing post-bleed reactive synovitis once further information on its association with timing of the joint bleed becomes available in the literature.

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Gray scale and color Doppler US findings of amniotic sheets

Diagnostic and Interventional Radiology ◽

10.4261/1305-3825.dir.4696-11.1 ◽

2011 ◽

Author(s):

Esra Ozkavukcu ◽

Nuray Haliloglu

Keyword(s):

Color Doppler ◽

Gray Scale ◽

Doppler Us ◽

Color Doppler Us ◽

Us Findings

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Pediatric testicular tumors: evaluation with gray-scale and color Doppler US.

Radiology ◽

10.1148/radiology.191.2.8153341 ◽

1994 ◽

Vol 191 (2) ◽

pp. 561-564 ◽

Cited By ~ 38

Author(s):

G D Luker ◽

M J Siegel

Keyword(s):

Color Doppler ◽

Gray Scale ◽

Testicular Tumors ◽

Doppler Us ◽

Color Doppler Us

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Accuracy of Gray-Scale and Color Doppler US and Serum Markers as Predictors of Prostate Carcinoma

Radiology ◽

10.1148/radiol.2231011463 ◽

2002 ◽

Vol 223 (1) ◽

pp. 282-284 ◽

Cited By ~ 5

Author(s):

Ferdinand Frauscher ◽

Ethan J. Halpern ◽

Andrea Klauser

Keyword(s):

Prostate Carcinoma ◽

Color Doppler ◽

Serum Markers ◽

Gray Scale ◽

Doppler Us ◽

Color Doppler Us

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Nilai Diagnostik USG Gray Scale, Color Doppler, dan Strain Elastografi dalam Menentukan Keganasan Tumor Payudara

Jurnal Radiologi Indonesia ◽

10.33748/jradidn.v3i1.59 ◽

2017 ◽

Vol 3 (1) ◽

pp. 1-9

Author(s):

Febie Irsandy Syahruddin ◽

Mirna Muis ◽

Bachtiar Murtala

Keyword(s):

Malignant Tumor ◽

Benign Tumor ◽

Color Doppler ◽

Resistance Index ◽

Strain Ratio ◽

Diagnostic Value ◽

University Hospital ◽

Gray Scale ◽

Chi Square ◽

Strain Elastography

The study’s aim is to analize the diagnostic values of Gray Scale ultrasound, Color Doppler and strain Elastography determining malignancy of breast tumor. The research was conducted at the Radiology Division of Wahidin Sudirohusodo and Hasanuddin University hospital in Makassar from February to March 2018 by using the diagnostic value. There were 51 research samples who had the clinical symptom of breast nodule. The examination of ultrasound gray scale, color doppler and strain elastography was performed to assess the breast nodules and determine malignancy and benign based on the classification of each examination. The results were based on USG breast and the three were compared. The comparative standard used was histopathological examinations as a gold and the data were analized using the Chi-Square test.The research results indicated that based on the histopatology examination from 51 samples, 18 samples (35,3%) had malignant tumor, and 33 samples (64,7%) had benign tumor. The gray scale revealed sensitivity of 94,4% and spesifisity of 81,8%, whereas usg color doppler based on vascular distribution revealed the sensitivity of 77,8% and the spesificity 93,9%, based on vascular amount of sensitivity 72,2% and spesificity 93,9% and resistance index sensitivity 89,4% and spesificity 87,5% with cut off value for malignant tumor ≥0,495 in 17 samples (81%), whereas benign has a resistance value index <0,495 in 28 samples (93,3%). As for the strain elastography based on Tsukuba scores, sensitivity was 94,4%, spesificity was 81,8%and based on strain ratio sensitivity was 94,4%, spesificity was 90,9% with cut off value for malignant tumor of ≥2,63, whereas benign tumor of <2,63. The highest sensitivity and spesificity were found in the examination of strain elastography based on strain ratio ,which were 94,4% dan 90,9% with the value of Area Under Curve of 0,906 with the cut-off point of 2,63.

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