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Ultrasonography01:17

Ultrasonography

Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called a...
Ultrasound II: Endoscopic Ultrasound and FibroScan01:25

Ultrasound II: Endoscopic Ultrasound and FibroScan

Endoscopic Ultrasound (EUS) and FibroScan are valuable diagnostic tools in gastroenterology and hepatology, each with specific applications and techniques.
Endoscopic Ultrasound (EUS):
Ultrasound I: Abdominal Ultrasonography01:20

Ultrasound I: Abdominal Ultrasonography

Introduction:
Abdominal ultrasonography, commonly known as abdominal ultrasound, is a vital, non-invasive medical imaging technique widely used in healthcare.
Procedure:
This diagnostic tool allows the clinician to visually inspect internal structures within the abdomen, including vital organs such as the liver, gallbladder, pancreas, kidneys, and spleen.
The abdominal ultrasound process begins with applying a special gel to the patient's skin over the abdomen. This gel enhances the...
Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
Three-Dimensional Microscopy in Microbiology01:28

Three-Dimensional Microscopy in Microbiology

Three-dimensional imaging techniques are essential in cell biology, allowing researchers to visualize intricate cellular structures with high resolution. Two prominent methods, Differential Interference Contrast Microscopy (DIC) and Confocal Scanning Laser Microscopy (CSLM), provide distinct advantages for imaging live and thick specimens, respectively.Differential Interference Contrast MicroscopyDIC microscopy enhances contrast in transparent, unstained samples by converting phase...

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Updated: Jul 24, 2026

Three-dimensional Optical-resolution Photoacoustic Microscopy
08:31

Three-dimensional Optical-resolution Photoacoustic Microscopy

Published on: May 3, 2011

光学ホログラム型3次元超音波撮影

G Baum, G W Stroke

    Science (New York, N.Y.)
    |September 19, 1975
    PubMed
    まとめ

    スーパーポジション光学ホログラフィーは,乳房や肝臓などの臓器のよりよい解剖学的視点を得るために3D超音波を作成します. このテクニックはデータを減らし,歪みを排除することによって視覚化を改善します.

    科学分野:

    • メディカルイマージング (医学イメージング)
    • ホログラフィー ホログラフィー
    • ウルトラソノグラフィー (超音波撮影)

    背景:

    • 伝統的な超音波検査は,パラエンキマ臓器の解剖学的な指向とデータ管理に限界があります.
    • アコースティック・ホログラフィーは幾何学的な歪みを導入し,正確な視覚化を妨げることができます.

    研究 の 目的:

    • 三次元 (3D) 超音波を作成するための重置光学ホログラムの導入と評価.
    • 乳房,肝臓,腎臓,臓などの臓器の研究のための解剖学的な指向とデータ削減の改善を実証する.

    主な方法:

    • スーパーポジション光学ホログラフィを使用して3次元超音波の準備.
    • パルスエコー超音波を用いて,解像度を高め,グレースケール画像を撮影する.
    • マルチプレーンビューイング機能の実装.

    主要な成果:

    • スーパーポジション光学ホログラフィーは,パレンキマ臓器の解剖学的な指向を大幅に改善します.
    • この技術は,臓器研究に必要なデータの量を減らすことができます.
    • 光学ホログラムは,同時多層の観測を可能にし,構造物の中身や周囲を重ね合わせることなく見ることができます.
    • パルスエコー超音波は解像度とグレースケールを向上させ,多平面の表示を可能にし,幾何学的歪みを排除します.

    さらに関連する動画

    Universal Hand-held Three-dimensional Optoacoustic Imaging Probe for Deep Tissue Human Angiography and Functional Preclinical Studies in Real Time
    09:56

    Universal Hand-held Three-dimensional Optoacoustic Imaging Probe for Deep Tissue Human Angiography and Functional Preclinical Studies in Real Time

    Published on: November 4, 2014

    Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy (oSLO) and Optical Coherence Tomography (OCT)
    12:22

    Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy (oSLO) and Optical Coherence Tomography (OCT)

    Published on: August 4, 2018

    関連する実験動画

    Last Updated: Jul 24, 2026

    Three-dimensional Optical-resolution Photoacoustic Microscopy
    08:31

    Three-dimensional Optical-resolution Photoacoustic Microscopy

    Published on: May 3, 2011

    Universal Hand-held Three-dimensional Optoacoustic Imaging Probe for Deep Tissue Human Angiography and Functional Preclinical Studies in Real Time
    09:56

    Universal Hand-held Three-dimensional Optoacoustic Imaging Probe for Deep Tissue Human Angiography and Functional Preclinical Studies in Real Time

    Published on: November 4, 2014

    Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy (oSLO) and Optical Coherence Tomography (OCT)
    12:22

    Multimodal Volumetric Retinal Imaging by Oblique Scanning Laser Ophthalmoscopy (oSLO) and Optical Coherence Tomography (OCT)

    Published on: August 4, 2018

    結論:

    • スーパーポジション光学ホログラフィーは,3D超音波の準備に優れた方法を提供します.
    • この高度なホログラム技術により,臓器の医学イメージングにおける可視化とデータ効率が向上します.
    • この方法は,伝統的なホログラフィと音響ホログラフィの限界を克服し,より明確で歪みのない多重平面のビューを提供します.