Ultraschall in Med 2019; 40(04): 519-520
DOI: 10.1055/a-0900-4765
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Publication History

Publication Date:
05 August 2019 (online)

Vector Flow Imaging Compared with Digital Subtraction Angiography for Stenosis Assessment in the Superficial Femoral Artery – A Study of Vector Concentration, Velocity Ratio and Stenosis Degree Percentage

Kristoffer Lindskov Hansen, Peter Møller Hansen, Caroline Ewertsen, Lars Lönn, Jørgen Arendt Jensen, Michael Bachmann Nielsen

DOI: 10.1055/a-0853-2002

Stenosis of the superficial femoral artery (SFA) induces complex blood flow with increased velocities. Disease assessment is performed with Doppler ultrasound and digital subtraction angiography (DSA). An alternative is the vector flow imaging method based on transverse oscillation (TO), an angle-independent vector velocity technique using ultrasound. TO is a potential diagnostic tool for the assessment of atherosclerosis and peripheral arterial disease.

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Fig. 1 Vector velocity images of 2 patients with stenosis of the SFA are shown in a and b, where A corresponds to lesion no. 3 and B to lesion no. 1.

EFSUMB Recommendations for Gastrointestinal Ultrasound Part 3: Endorectal, Endoanal and Perineal Ultrasound

Dieter Nuernberg, Adrian Săftoiu, Ana Paula Barreiros et al.

DOI: 10.1055/a-0825-6708

This article represents part 3 of the EFSUMB Recommendations and Guidelines for Gastrointestinal Ultrasound (GIUS). It provides an overview of the examination techniques recommended by experts in the field of endorectal/endoanal ultrasound (ERUS/EAUS), as well as perineal ultrasound (PNUS).

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Fig. 3 Radial endorectal ultrasound (ERUS) elastography showing a hard (low strain) perirectal lymph node (red arrows) in a patient with concomitant rectal adenocarcinoma. A balloon surrounding the transducer is inflated with water to improve acoustic coupling with the rectal wall (courtesy of Adrian Săftoiu, Elena Tatiana Ivan).

Thyroid Lymphoepithelial Cysts Mimicking Calcified or Solid Nodules on Ultrasonography

Yukie Tsutsuura, Mitsuyoshi Hirokawa, Ayana Suzuki, Hisashi Ota, Maki Oshita, Mitsuhiro Fukushima, Kaoru Kobayashi, Akira Miyauchi

DOI: 10.1055/a-0943-6553

Thyroid lymphoepithelial cysts (TLECs) are rare, and detailed ultrasonography (US) findings have not been reported. This study aimed to examine in detail the US findings for 32 TLECs and to clarify the diagnostic problems associated with them.

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Fig. 5 Ultrasonography of a thyroid lymphoepithelial cyst, pseudosolid type. Intranodular vascular flow indicates liquid. (Color Doppler image of B-mode, longitudinal view).