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Related Concept Videos

Imaging Studies I: CT and MRI01:14

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 IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
Imaging Studies III: Computed Tomography01:27

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 V: Intravenous Urography and Retrograde Pyelography01:22

Imaging Studies V: Intravenous Urography and Retrograde Pyelography

IntroductionIntravenous Urography (IVU) and Retrograde Pyelography (RP) are important diagnostic imaging techniques used to evaluate the urinary system. These methods help identify structural abnormalities, obstructions, and functional issues in the kidneys, ureters, and bladder. Both procedures use iodine-based contrast media to enhance the visibility of urinary tract structures on X-ray images, though they differ in their methods and indications.1. Intravenous Urography (IVU)Intravenous...
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...
Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...

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Intraoperative Ultrasound in Spinal Surgery
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Peri-intraprocedural imaging: US, CT, and MRI.

Laura Crocetti1, Clotilde Della Pina, Dania Cioni

  • 1Division of Diagnostic Imaging and Intervention, Department of Liver Transplants, Hepatology and Infectious Diseases, Cisanello Hospital, Pisa University School of Medicine, Building No. 29, Via Paradisa 2, 56124, Pisa, Italy. l.crocetti@med.unipi.it

Abdominal Imaging
|May 18, 2011
PubMed
Summary

Imaging is crucial in liver interventional oncology for patient selection, treatment guidance, and follow-up. Advanced imaging techniques ensure precise targeting and assessment of treatment effectiveness for better patient outcomes.

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Area of Science:

  • Interventional Radiology
  • Oncology
  • Medical Imaging

Background:

  • Imaging is integral to liver interventional oncology, guiding patient selection, treatment, and follow-up.
  • Accurate pre-procedural imaging is essential for determining treatment indications based on lesion characteristics and patient factors.

Purpose of the Study:

  • To discuss the pivotal role of imaging in patient selection and treatment planning for liver interventional oncology.
  • To review imaging modalities for real-time guidance and assessment of treatment effects.
  • To cover post-treatment imaging for evaluating therapeutic response and guiding future management.

Main Methods:

  • Review of imaging techniques for pre-procedural evaluation, including lesion assessment (size, number, location, vascular invasion, nodal/distant disease) and histology-based approach selection.
  • Discussion of ideal imaging qualities for targeting: clear tumor delineation, real-time, multiplanar, and interactive capabilities.
  • Examination of image guidance for visualizing therapy effects during intervention and post-treatment assessment using modified RECIST (mRECIST) and treatment-specific findings.

Main Results:

  • Pre-procedural imaging dictates patient selection and interventional strategy based on tumor burden and characteristics.
  • Real-time, multiplanar imaging is vital for accurate tumor targeting and preventing damage to surrounding structures.
  • Post-treatment imaging is imperative for assessing treatment response, detecting residual/recurrent disease, and informing subsequent therapeutic decisions.

Conclusions:

  • Imaging is indispensable throughout the liver interventional oncology continuum, from initial patient selection to long-term follow-up.
  • Advanced imaging modalities enhance precision in targeting, treatment delivery, and response assessment.
  • Standardized evaluation criteria like mRECIST are crucial for consistent outcome assessment in hepatocellular carcinoma.