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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 III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

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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...
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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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Ultrasound I: Abdominal Ultrasonography01:20

Ultrasound I: Abdominal Ultrasonography

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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...
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Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

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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...
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Computed Tomography01:10

Computed Tomography

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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...
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Related Experiment Video

Updated: Jan 13, 2026

Transperineal Prostate Biopsy Using a Cone-shaped Double-hole Method with Dual-plane Probe Guidance
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Transperineal Prostate Biopsy Using a Cone-shaped Double-hole Method with Dual-plane Probe Guidance

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Navigating Biopsy Safety: Complication Rates Under Ultrasound and CT Guidance.

Theresa Sophie Patzer1,2, Franziska Müller1, Michael Meir3

  • 1Department of Diagnostic and Interventional Radiology, University Hospital Würzburg, Oberdürrbacher Straße 6, 97080 Würzburg, Germany.

Diagnostics (Basel, Switzerland)
|October 29, 2025
PubMed
Summary
This summary is machine-generated.

Ultrasound-guided biopsies are faster and safer than CT-guided procedures, with significantly fewer complications. While CT-guided biopsies showed higher complication rates, most events were mild and rarely life-threatening.

Keywords:
X-ray computedbleedingcomplicationsliverlungpercutaneous biopsypneumothoraxtomography

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Area of Science:

  • Radiology
  • Medical Imaging
  • Interventional Radiology

Background:

  • Image-guided biopsies are increasingly common but carry risks.
  • Technical success rates are high, but complications can occur.
  • Comparing safety profiles of different imaging modalities is crucial.

Purpose of the Study:

  • To compare the safety and efficacy of ultrasound-guided versus CT-guided percutaneous biopsies.
  • To analyze procedure duration, technical success, and complication rates.
  • To evaluate the type, severity, and timing of complications associated with each modality.

Main Methods:

  • Retrospective study of 250 patients undergoing liver, thoracic, retroperitoneal, lymph node, or bone biopsies.
  • Comparison of ultrasound-guided and CT-guided percutaneous biopsy procedures.
  • Analysis of procedure duration, technical success, complication details, and radiation dose (for CT).

Main Results:

  • Overall technical success rate was 97.6% with no significant difference between modalities.
  • Ultrasound-guided biopsies were significantly faster (19 min vs. 25.5 min for CT).
  • Complication rates were significantly higher for CT-guided (30.3%) compared to ultrasound-guided biopsies (7.6%), with bleeding and pneumothorax more frequent with CT.

Conclusions:

  • CT-guided biopsies are associated with higher complication rates, potentially due to complexity and detection of minor events.
  • Most post-biopsy complications were mild and occurred within four hours.
  • Severe complications were rare for both modalities, with no life-threatening events reported.