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Imaging Studies III: Computed Tomography

Imaging Studies III: Computed Tomography

DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...

Imaging Studies I: CT and MRI

Imaging Studies I: CT and MRI

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...

Imaging Studies II: Ultrasonography

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...

Computed Tomography

Computed Tomography

Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...

Imaging Studies I: Kidney, Ureter, and Bladder Studies

Imaging Studies I: Kidney, Ureter, and Bladder Studies

Kidney, Ureter, and Bladder (KUB) StudiesKidney, Ureter, and Bladder (KUB) studies are standard diagnostic imaging procedures used to assess the anatomy of the urinary system. They are commonly utilized for patients experiencing abdominal pain or urinary symptoms. By using a simple X-ray of the abdomen, KUB studies can reveal structural and pathological abnormalities within the kidneys, ureters, and bladder. These studies are particularly valuable in diagnosing kidney stones, urinary...

Ultrasonography

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...

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Updated: Jun 30, 2026

An Approach to Point-Of-Care Ultrasound Evaluation of the Abdominal Aorta

An Approach to Point-Of-Care Ultrasound Evaluation of the Abdominal Aorta

Published on: September 8, 2023

Contemporary imaging in abdominal emergencies.

Carlos J Sivit¹

¹Case Western Reserve School of Medicine, Department of Radiology, Rainbow Babies and Children's Hospital, Cleveland, OH 44106-5056, USA. Carlos.Sivit@UHhospitals.org

Pediatric Radiology

|September 24, 2008

Summary

Pediatric imaging, including computed tomography (CT), is crucial for diagnosing acute abdominal emergencies. This review examines various imaging techniques, focusing on CT

Area of Science:

Pediatric radiology
Medical imaging in emergency medicine

Background:

Imaging is essential for evaluating pediatric illness and injury.
Multiple imaging modalities exist, including radiography, CT, and MRI.
Computed tomography (CT) is increasingly used in pediatric emergency settings.

Purpose of the Study:

To review current imaging approaches for acute abdominal emergencies in children.
To discuss the role of various modalities, particularly CT.
To analyze the advantages, disadvantages, and radiation risks associated with pediatric abdominal imaging.

Main Methods:

Literature review of current imaging practices.
Discussion of different imaging modalities (radiography, angiography/fluoroscopy, sonography, CT, MRI, scintigraphy).

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Focused Assessment with Sonography for Trauma (FAST) Exam: Image Acquisition

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Published on: September 22, 2023

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Last Updated: Jun 30, 2026

An Approach to Point-Of-Care Ultrasound Evaluation of the Abdominal Aorta

An Approach to Point-Of-Care Ultrasound Evaluation of the Abdominal Aorta

Published on: September 8, 2023

Focused Assessment with Sonography for Trauma (FAST) Exam: Image Acquisition

Focused Assessment with Sonography for Trauma (FAST) Exam: Image Acquisition

Published on: September 22, 2023

Focused analysis on CT for pediatric abdominal pain and trauma.

Main Results:

CT is highly useful for evaluating pediatric abdominal emergencies, both traumatic and non-traumatic.
Each imaging modality has specific benefits and drawbacks.
Radiation exposure is a significant consideration with CT scans.

Conclusions:

CT is a vital tool in the pediatric emergency department for abdominal conditions.
Balancing the benefits of CT with its radiation risks is critical.
Further research into optimized imaging strategies is warranted.