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Related Concept Videos

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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Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

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Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
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Metallic Solids02:37

Metallic Solids

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Metallic solids such as crystals of copper, aluminum, and iron are formed by metal atoms. The structure of metallic crystals is often described as a uniform distribution of atomic nuclei within a “sea” of delocalized electrons. The atoms within such a metallic solid are held together by a unique force known as metallic bonding that gives rise to many useful and varied bulk properties.
All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and malleability....
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Structures of Solids02:22

Structures of Solids

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Solids in which the atoms, ions, or molecules are arranged in a definite repeating pattern are known as crystalline solids. Metals and ionic compounds typically form ordered, crystalline solids. A crystalline solid has a precise melting temperature because each atom or molecule of the same type is held in place with the same forces or energy. Amorphous solids or non-crystalline solids (or, sometimes, glasses) which lack an ordered internal structure and are randomly arranged. Substances that...
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Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT01:25

Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT

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Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
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Network Covalent Solids02:18

Network Covalent Solids

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Network covalent solids contain a three-dimensional network of covalently bonded atoms as found in the crystal structures of nonmetals like diamond, graphite, silicon, and some covalent compounds, such as silicon dioxide (sand) and silicon carbide (carborundum, the abrasive on sandpaper). Many minerals have networks of covalent bonds.
To break or to melt a covalent network solid, covalent bonds must be broken. Because covalent bonds are relatively strong, covalent network solids are typically...
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Related Experiment Video

Updated: Feb 15, 2026

Improved Home Blood Pressure Control by CT-guided Ozone-mediated Renal Denervation for Patients with Resistant Hypertension
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Improved Home Blood Pressure Control by CT-guided Ozone-mediated Renal Denervation for Patients with Resistant Hypertension

Published on: June 6, 2025

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CT and MR imaging for solid renal mass characterization.

Kohei Sasaguri1, Naoki Takahashi2

  • 1Department of Radiology, Faculty of Medicine, Saga University, 5-1-1 Nabeshima, Saga, 849-8501, Japan.

European Journal of Radiology
|January 25, 2018
PubMed
Summary
This summary is machine-generated.

Active surveillance is increasingly accepted for small renal masses due to many being benign. Advanced renal cell carcinoma (RCC) treatments are improving, driving research into better renal mass characterization using advanced imaging and machine learning.

Keywords:
AngiomyolipomaCTMROncocytomaRenal cell carcinomaRenal mass

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Monitoring Tumor Metastases and Osteolytic Lesions with Bioluminescence and Micro CT Imaging
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In Vivo, Percutaneous, Needle Based, Optical Coherence Tomography of Renal Masses
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Area of Science:

  • Oncology
  • Radiology
  • Medical Imaging

Background:

  • Growing evidence suggests a significant proportion of small, incidentally discovered renal masses are benign or indolent.
  • This has led to increased acceptance of conservative management, including active surveillance, for small renal masses.
  • Nonsurgical and subtype-specific treatments, like immunotherapy and targeted therapy, are advancing for advanced renal cell carcinomas (RCCs).

Purpose of the Study:

  • To investigate advanced methods for renal mass characterization.
  • To differentiate benign from malignant tumors, subtype RCCs, and predict RCC aggressiveness.
  • To explore the potential of novel imaging and analytical techniques in improving diagnostic accuracy for renal masses.

Main Methods:

  • Integration of texture analysis with conventional imaging techniques.
  • Utilization of functional imaging, including diffusion-weighted and perfusion imaging.
  • Application of multivariate diagnostic methods, such as machine learning algorithms.

Main Results:

  • Texture analysis, functional imaging, and machine learning have shown promising results in research settings for renal mass characterization.
  • These advanced methods aid in differentiating tumor types and predicting malignancy or aggressiveness.
  • Further standardization and multi-institutional validation are required to translate research findings into clinical practice.

Conclusions:

  • Advanced imaging techniques and machine learning show significant potential for improving the characterization of renal masses.
  • These methods can aid in distinguishing benign from malignant lesions and assessing tumor aggressiveness.
  • Continued research focusing on standardization and validation is crucial for clinical implementation.