MR imaging of the chest: A practical approach at 1.5T

Puderbach, Michael; Hintze, C.; Ley, Sebastian; Eichinger, Monika; Kauczor, Hans‐Ulrich; Biederer, Jürgen

doi:10.1016/j.ejrad.2007.08.009

Cited by 170 publications

(136 citation statements)

References 28 publications

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“…The easiest way to overcome respiratory motion is to use breath-hold techniques within a single or multiple breath-holds. Recently available breath-hold sequences are singleshot half-Fourier turbo spin-echo acquisition (T2-HASTE), T2-weighted turbo spin-echo, and T1-weighted 2D or 3D fast gradient-echo (GRE) (66).…”

Section: Imaging Technique Mrmentioning

confidence: 99%

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Computed tomography and magnetic resonance imaging of mediastinal tumors

Takahashi¹,

Al-Janabi²

2010

Magnetic Resonance Imaging

176

131

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We describe the clinical, pathological, and imaging findings of mediastinal tumors with focus on thymic hyperplasia, thymic epithelial tumors, and germ cell tumors, malignant lymphoma, and various cystic masses. Chemical shift magnetic resonance imaging (MRI) is useful in characterization of the normal thymus and differentiation of hyperplastic thymus and thymic tumors. In contrast to noninvasive thymomas, invasive thymomas and thymic carcinomas show a more aggressive growth pattern. Local invasion and pleural spread are characteristic of invasive thymoma and mediastinal lymphadenopathy and distant metastasis suggest thymic carcinomas. Mature teratoma typically shows various computed tomography (CT) attenuation, and MR signal intensity depending on its contents and fat tissue and bone within the lesions are its characteristic findings. Seminomas typically have homogenous internal CT attenuation and MR signal intensity with minimal contrast enhancement. Nonseminomatous malignant germ cell tumors characteristically show prominent internal degenerative changes and invasion to the adjacent structures. In mediastinal lymphomas, a residual mass is common after treatment and MRI provides important information in distinguishing viable tumors from residual benign masses. Some mediastinal cysts may reveal high attenuation similar to solid lesions on CT depending on their contents and MRI can be useful in the differentiation of cystic masses from solid lesions.

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Section: Imaging Technique Mrmentioning

confidence: 99%

“…The basic protocol comprises a GRE localizer, coronal or axial T2-weighted images using T2-HASTE, and pre-and postcontrast axial T1-weighted 3D fast GRE (66,67). Fat saturation is imperative in contrastenhanced images to sufficiently visualize the lymph nodes and masses within the surrounding fat tissue.…”

Section: Imaging Technique Mrmentioning

confidence: 99%

Computed tomography and magnetic resonance imaging of mediastinal tumors

Takahashi¹,

Al-Janabi²

2010

Magnetic Resonance Imaging

176

131

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“…In addition, pre-interventional lung perfusion scintigraphy is recommended for estimating the loss of function following treatment of the target area. MRI of lung perfusion can also be expediently used to diagnose diseases of the airways and lung parenchyma [50]. For planning LVR, the areas of the lungs with impaired function can be visualized with the advantage of higher spatial resolution, combined imaging of morphology and function as well as absence of ra- diation exposure.…”

Section: Target Areamentioning

confidence: 99%

Emphysema: Imaging for Endoscopic Lung Volume Reduction

Storbeck

Schröder

Oldigs

et al. 2015

Fortschr Röntgenstr

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!Chronic obstructive pulmonary disease (COPD) is characterized by two entities, the more airway-predominant type ("bronchitis") on the one hand, and emphysema-predominant type on the other. Imaging via high-resolution computed tomography plays an important role in phenotyping COPD. For patients with advanced lung emphysema, new endoscopic lung volume reduction therapies (ELVR) have been developed. Proper selection of suitable patients requires thinsection reconstruction of volumetric CT image data sets also in coronal and sagittal orientation are required. In the current manuscript we will describe emphysema subtypes (centrilobular, paraseptal, panlobular), options for quantifying emphysema and this importance of regional distribution (homogeneous or heterogeneous, target area) as this is crucial for patient selection. Analysis of the interlobular fissures is obligatory despite the lack of standardization, as incomplete fissures indicate collateral ventilation (CV) via parenchymal bridges, which is an important criterion in choosing endoscopic methods of LVR. Every radiologist should be familiar with modern LVR therapies such as valves and coils, and furthermore should know what a lung doctor expects from radiologic evaluation (before and after ELVR). Finally we present a checklist as a quick reference for all steps concerning imaging for ELVR.

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“…(136)(137)(138) Although MRI has never really played a major role in routine chest imaging, several pathological processes can be evaluated using proton imaging, including pleural effusions, pneumonia, lung tumors (particularly useful in Pancoast tumors and for determination of tumor invasion in mesothelioma) and the assessment of the mediastinum (Figure 7). (139)(140)(141).The technique is complementary to CT, although tissue plane definition and characterization is better using MRI.…”

Section: Proton Imagingmentioning

confidence: 99%

Functional Imaging: CT and MRI

Beek

Hoffman

2008

Clinics in Chest Medicine

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Synopsis-Numerous imaging techniques permit evaluation of regional pulmonary function. Contrast-enhanced CT methods now allow assessment of vasculature and lung perfusion. Techniques using spirometric controlled MDCT allow for quantification of presence and distribution of parenchymal and airway pathology, Xenon gas can be employed to assess regional ventilation of the lungs and rapid bolus injections of iodinated contrast agent can provide quantitative measure of regional parenchymal perfusion. Advances in magnetic resonance imaging (MRI) of the lung include gadolinium-enhanced perfusion imaging and hyperpolarized helium imaging, which can allow imaging of pulmonary ventilation and .measurement of the size of emphysematous spaces.

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MR imaging of the chest: A practical approach at 1.5T

Cited by 170 publications

References 28 publications

Computed tomography and magnetic resonance imaging of mediastinal tumors

Computed tomography and magnetic resonance imaging of mediastinal tumors

Emphysema: Imaging for Endoscopic Lung Volume Reduction

Functional Imaging: CT and MRI

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