Results 11 to 20 of about 50,529 (255)

A Method for High-Frequency Mechanical Scanning Ultrasonic Flow Imaging with Motion Compensation

open access: yesDiagnostics, 2023
Mechanical scanning with a single transducer is an alternative method for high-frequency ultrasound imaging, which is simple in structure, convenient to implement, and low in cost.
Jiaming Heng   +4 more
doaj   +1 more source

Role of Doppler in Predicting the Complicated and Impending to Complicate Cases of Acute Appendicitis [PDF]

open access: yesInternational Journal of Anatomy Radiology and Surgery, 2017
Introduction: Acute appendicitis is one of the most common emergency surgical problems which could result due to obstructive or non-obstructive causes. The obstructive type progresses fast and could result in complications like gangrene formation and
Girish Babu Swarna   +5 more
doaj   +1 more source

Comparison of Three Different Color Doppler Techniques for the Assessment of Blooming in Venous Flow during Pregnancy

open access: yesActa Medica Alanya, 2023
Aim: Blooming is an important color Doppler artifact for the assessment of small or slow-flow blood vessels during pregnancy. The degree of blooming varies depending on the color Doppler technique used.
Muzaffer Sindel   +3 more
doaj   +1 more source

Conservative management of pubertal segmental testicular infarction associated with epididymitis

open access: yesUrology Case Reports, 2023
Urgent scrotal exploration is performed for segmental testicular infarction (STI) because malignant testicular tumors cannot be ruled out even when STI is suspected on color Doppler ultrasound (US). This report describes the case of a 14-year-old boy who
Hidenori Nishio   +5 more
doaj   +1 more source

Early Pregnancy Fetal Cardiac Activity Detection by Superb Micro-Vascular Imaging (cSMI) Comparing with Color Doppler Ultrasound

open access: yesPakistan Armed Forces Medical Journal, 2023
Objective: To observe the sonographic advancement of the Doppler technique Superb Microvascular imaging (cSMI) for detecting fetal cardiac activity (FCA) in early pregnancy when not detected on grey scale ultrasound and conventional Doppler.
Riffat Masud   +3 more
doaj   +1 more source

Ultrasound and Color Doppler Flow Imaging of Paratesticular Leiomyoma [PDF]

open access: yesAdvanced Ultrasound in Diagnosis and Therapy, 2022
ObjectiveIn this paper, we retrospectively analyzed the ultrasonographic features of paratesticular leiomyoma to help doctors correctly diagnose the disease before operation and guide surgical treatment.
Nianyu Xue, MM, Yaya Chen, MD, Guoyao Wang, BS, Shengmin Zhang, BS
doaj   +1 more source

Guidelines for ultrasound examination in ophthalmology. Part III: Color Doppler ultrasonography

open access: yesJournal of Ultrasonography, 2019
The aim of this article was to present the possibilities of use and application of color-coded Doppler ultrasonography in the diagnosis of various diseases of the eyeball and orbit which result from vascular disorders. Color-coded Doppler ultrasonography
Monika Modrzejewska
doaj   +1 more source

Imaging of blood flow and oxygen state with a multi-segment optoacoustic ultrasound array

open access: yesPhotoacoustics, 2018
Changes in hemodynamic parameters are directly linked to biological function and physiological activity. Characterization of hemodynamics is commonly performed by Doppler ultrasound, which provides accurate measurements of blood flow velocity.
Elena Merčep   +2 more
doaj   +1 more source

Pilomatrixoma of the right thigh: Sonographic-pathologic correlation in a young man

open access: yesRadiology Case Reports, 2020
Pilomatrixoma, also known as calcifying epithelioma of Malherbe, is a histological type of benign subcutaneous tumor arising from the cutaneous adnexa. We present our experience and the characteristic findings of a pilomatrixoma of the right thigh in a ...
Maria Adele Marino, MD   +4 more
doaj   +1 more source

Update on Color Flow Imaging in Obstetrics

open access: yesLife, 2022
Color flow imaging (CFI), being non-invasive, is commonly used in obstetrics to study the fetal and placental circulations. The conventional CFI modes include color Doppler flow imaging (CDFI) and power Doppler imaging (PDI).
Kwok-yin Leung, Yung-Liang Wan
doaj   +1 more source

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