関連する実験動画
Updated: Feb 14, 2026

10:02
Whole-body PET/MRI of Pediatric Patients: The Details That Matter
Published on: December 19, 2017
15.4K
多発性骨髄腫:全身拡散加重MRIとFDG PET/CTによる形態機能的治療応答評価
Marcos Jiménez-Vázquez1, Alberto Paternain1, María J García-Velloso2
1Department of Radiology, Clínica Universidad de Navarra, Avenida Pío XII No. 36, Pamplona 31008, Spain.
まとめ
全身MRIとFDG PET/CTは,多発性骨髄腫の治療反応を評価する上で極めて重要です. これらのイメージング技術は,補完的な洞察を提供し,正確な評価と患者の管理に役立ちます.
科学分野:
- 腫瘍学 腫瘍学
- 放射線学 放射線学
- メディカルイマージング (医学イメージング)
背景:
- 全身拡散加重型MRI (WB-DW MRI) とフッ素18-フッ素酸化グルコース (FDG) のPET/CTは,多発性骨髄腫 (MM) の治療反応評価においてますます使用されています.
- これらのイメージング方式は,分子および臨床基準を補完し,疾患の状態に関する貴重な洞察を提供します.
研究 の 目的:
- MMフォローアップにおけるWB-DW MRIとFDG PET/CTの適用を明確にするために.
- これらのイメージング技術の利点と限界を強調する.
- 各モダリティで使用される応答基準の概要を述べる.
主な方法:
- WB-DW MRIの解釈のために,ミエロマ応答評価および診断システムを活用し,応答を5つのカテゴリーに分類しました (RAC 1-5).
- FDG PET/CTの解釈の標準化と代謝反応の分類のために,PETの使用に関するイタリア骨髄腫基準と5ポイントのデオビルスコア (DS) を採用した.
- 関連形態学的変化は,DW画像,表面的な拡散係数値,および包括的な評価のためのFDG吸収値と相関しています.
主要な成果:
- WB-DW MRIとFDG PET/CTは,治療後のMM評価のために重要な情報を提供します.
- FDG PET/CTは,エクストラメデュラー疾患の検出に優れ,基準基準として機能しています.
- WB-DWMRIは,特に拡散性疾患の検出において,より高い感度を示しています.
結論:
- WB-DW MRIとFDG PET/CTの両方が,多発性骨髄腫の治療後の評価において貴重なツールです.
- これらのモダリティの補完的な使用は,臨床および分子データとのイメージングの発見を相関させ,包括的な評価のために推奨されます.
関連する概念動画
Imaging Studies I: CT and MRI
931
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...
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...
931
Diffusion
222.0K
Diffusion is the passive movement of substances down their concentration gradients—requiring no expenditure of cellular energy. Substances, such as molecules or ions, diffuse from an area of high concentration to an area of low concentration in the cytosol or across membranes. Eventually, the concentration will even out, with the substance moving randomly but causing no net change in concentration. Such a state is called dynamic equilibrium, which is essential for maintaining overall...
222.0K
Diffusion
6.7K
Diffusion is a type of passive transport. In passive transport, a substance tends to move from an area of high concentration to an area of low concentration until the concentration is equal across the space. For example, take the diffusion of substances through the air. When someone opens a perfume bottle in a room filled with people, the perfume is at its highest concentration in the bottle and is at its lowest at the edges of the room. The perfume vapor will diffuse, or spread away, from the...
6.7K
Weighted Mean
6.5K
While taking the arithmetic, geometric, or harmonic mean of a sample data set, equal importance is assigned to all the data points. However, all the values may not always be equally important in some data sets. An intrinsic bias might make it more important to give more weightage to specific values over others.
For example, consider the number of goals scored in the matches of a tournament. While computing the average number of goals scored in the tournament, it may be more important to...
For example, consider the number of goals scored in the matches of a tournament. While computing the average number of goals scored in the tournament, it may be more important to...
6.5K
Multiple Allele Traits
38.2K
The Concept of Multiple Allelism
38.2K
Atomic Weight
14.1K
Protons and neutrons have approximately the same mass, about 1.67 × 10-24 grams. Scientists arbitrarily define this amount of mass as one atomic mass unit (amu) or one Dalton. Electrons are much smaller in mass than protons, weighing only 9.11 × 10-28 grams, or about 1/1800 of an atomic mass unit. As a result, they do not contribute much to an element's overall atomic mass. This means that, when considering atomic mass, it is customary to ignore the mass of any electrons and...
14.1K

