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Related Concept Videos

Ultrasonography01:17

Ultrasonography

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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...
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Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

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Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...
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Radiological Investigation I: X-ray and CT01:30

Radiological Investigation I: X-ray and CT

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Radiological investigations, including X-rays and computed tomography (CT) scans, are critical for diagnosing and evaluating various medical conditions. These imaging techniques provide valuable insights into the body's internal structures, aiding in the detection of abnormalities, assessment of disease progression, and development of treatment strategies. This article delves into two primary radiological investigations, chest X-rays and CT scans, outlining their purpose, procedures, and...
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Ureters01:22

Ureters

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The ureters are retroperitoneal tubes located on either side of the vertebral column. They are responsible for transporting urine from each kidney to the urinary bladder. These tubes have thick walls and are approximately 25-30 cm long. Their diameter is around 10 mm at the renal pelvis, gradually narrowing to 1 mm as the ureter obliquely enters the posterior bladder wall through the ureteric orifices. The shape of these orifices is slit-like, which helps to prevent urine backflow toward the...
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Related Experiment Video

Updated: Jul 2, 2025

Author Spotlight: Developing a Bedside Protocol for Kidney and Genitourinary Ultrasonography
03:19

Author Spotlight: Developing a Bedside Protocol for Kidney and Genitourinary Ultrasonography

Published on: June 21, 2024

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[Imaging in nephroureterolithasis].

Julia Peters1,2, David Oswald3, Christian Eiben3

  • 1Universitätsklinikum Salzburg, Salzburg, Österreich. j.peters@salk.at.

Urologie (Heidelberg, Germany)
|February 20, 2024
PubMed
Summary
This summary is machine-generated.

Ultrasonography is the primary diagnostic tool for suspected kidney stones. Noncontrast computed tomography (CT) scans are recommended for unclear flank pain, fever, or solitary kidneys.

Keywords:
Emergency diagnosticsKidney calculiLow-dose CTRadiation exposureUltrasonography

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Area of Science:

  • Radiology
  • Urology
  • Medical Imaging

Context:

  • Nephroureterolithiasis diagnosis requires precise imaging.
  • Choosing the right imaging modality impacts patient outcomes.
  • Current guidelines recommend specific imaging pathways.

Purpose:

  • To outline the optimal imaging sequence for diagnosing and managing nephroureterolithiasis.
  • To differentiate the roles of ultrasonography, CT, MRI, and X-ray in various clinical scenarios.
  • To guide imaging choices for acute diagnostics, pre- and post-interventional assessment, and conservative management.

Summary:

  • Ultrasonography is the initial choice for suspected nephroureterolithiasis.
  • Noncontrast CT is essential for cases with fever, unclear flank pain, or solitary kidneys.
  • MRI may be used in pregnant patients if sonography is inconclusive, and retrograde imaging or CT is suitable for pre-interventional planning.

Impact:

  • Standardizes imaging protocols for kidney stone diagnosis.
  • Improves diagnostic accuracy and timely management of nephroureterolithiasis.
  • Reduces unnecessary imaging and associated risks.