[Reliable diagnosis of cystic renal lesions].
J, Clevert DA Abstract CLINICAL/METHODICAL ISSUE: Cystic renal lesions are commonly seen during routine ultrasound examinations of the abdomen. STANDARD RADIOLOGICAL METHODS: Some cystic renal lesions cannot be sufficiently characterized using native ultrasound. In these cases additional imaging might be necessary. METHODICAL INNOVATIONS: Contrast-enhanced ultrasound (CEUS) is a reliable imaging modality to characterize cystic renal lesions. Contrast enhancement of septations and the cystic wall are visualized in high resolution. This information helps to categorize the cystic renal lesions applying...
Source: Der Radiologe - August 29, 2018 Category: Radiology Authors: Müller-Peltzer K, Negrão de Figueiredo G, Schwarze V, Rübenthaler J, Clevert DA Tags: Radiologe Source Type: research

[New developements in endovascular infrarenal aortic aneurysm treatment].
l;cker A Abstract CLINICAL/METHODICAL ISSUE: New technical developments in endovascular aortic repair (EVAR) have broadened the range of patients eligible for minimally invasive aneurysm treatment. Optimization of delivery sheaths and catheters by considerable downsizing of diameters, increase of pushability and stability combined with flexibility are important parameters. PERFORMANCE: Especially patients characterized by small and tortuous iliac access vessels can nowadays be treated by EVAR. Ease and effectiveness of applicability guarantee safety and quality improvement, which results in better treatment o...
Source: Der Radiologe - August 13, 2018 Category: Radiology Authors: Maßmann A, Shayesteh-Kheslat R, Frenzel F, Fries P, Bücker A Tags: Radiologe Source Type: research

[Assessment of ligament and tendon injuries of the elbow using magnetic resonance imaging].
nn A Abstract An overview about the normal anatomy and frequent pathologies of tendons and ligaments of the elbow using MRI will be provided. The unique joint configuration and articulation, as well as passive ligamentous and active muscle structures as well as the unique configuration of the articulating components of the elbow contribute to joint stabilization. MRI is an essential imaging modality in patients with ligamentous injuries including the sequelae of joint dislocation as well as chronic pathologies such as long-standing and refractory tendinopathies. Ideally, when reporting MRI of the elbow, the joint ...
Source: Der Radiologe - August 13, 2018 Category: Radiology Authors: Janßen R, Falkowski AL, Hirschmann A Tags: Radiologe Source Type: research

[Isolated iliac artery aneurysms : Interventional treatment].
Abstract CLINICAL ISSUE: Isolated iliac artery aneurysms occur considerably less often than abdominal aortic aneurysms. Mainly older men are affected by this disease. Most of these aneurysms are asymptomatic and are incidentally detected during cross-sectional imaging. Iliac aneurysms with a diameter larger than 3 cm are at risk for rupture, which is associated with high morbidity and mortality. STANDARD TREATMENT: To prevent their rupture as well as for symptomatic or ruptured aneurysms, endovascular treatment has recently been established as the primary approach due to the decreased morbidity and mor...
Source: Der Radiologe - August 9, 2018 Category: Radiology Authors: Pfammatter T, Kobe A, Lachat ML Tags: Radiologe Source Type: research

[Aortic bifurcation reconstruction : Endovascular repair and alternatives].
n K Abstract CLINICAL ISSUE: Aortic bifurcation disease is a manifestation of arteriosclerosis in about 95% of cases. Stenotic disease of the aortic bifurcation is a special form of peripheral arterial occlusive disease (PAOD). Men older than 60 years are particularly affected. STANDARD TREATMENT: The potential of endovascular therapy has continued to increase. Hereby, the increased availability of hybrid operating suites which allow for a combined use of endovascular techniques and open surgery plays an important role. DIAGNOSTIC WORK-UP: For the decision on the type of therapy and t...
Source: Der Radiologe - August 9, 2018 Category: Radiology Authors: Schürmann K Tags: Radiologe Source Type: research

[Thoracoabominal aortic aneurysms-endovascular options].
CONCLUSIONS: The preinterventional planning and sizing with the help of computed tomography (CT) scans for endovascular repair of TAAA, and the implantation of the grafts during the procedure are challenging; thus, a well-experienced interdisciplinary team of medical and nonmedical specialists is required. PMID: 30090958 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - August 8, 2018 Category: Radiology Authors: Gschwendtner M Tags: Radiologe Source Type: research

[Ultrasound of the elbow-standard examination technique and normal anatomy].
MA Abstract CLINICAL/METHODICAL ISSUE: Ultrasound of the elbow facilitates easily accessible evaluation of different pathologic conditions. The background for evaluating any pathologic state is the well-grounded knowledge of normal anatomy and standard ultrasound technique. STANDARD RADIOLOGICAL METHODS/METHODICAL INNOVATIONS/PERFORMANCE: A unique feature of ultrasound compared to other imaging modalities of the elbow is the possibility of dynamic imaging, the examination of the patient at the bedside and the direct assessment of the contralateral side as a reference. AIM: The aim of this article i...
Source: Der Radiologe - August 8, 2018 Category: Radiology Authors: Jäschke M, Weber MA Tags: Radiologe Source Type: research

[Endovascular aneurysm repair  (EVAR) : Complication management].
[Endovascular aneurysm repair (EVAR) : Complication management]. Radiologe. 2018 Aug 06;: Authors: Amin S, Schnabel J, Eldergash O, Chavan A Abstract A variety of complications may be experienced during or after endovascular repair (EVAR) of abdominal aortic aneurysms (AAA). Acute procedure-related complications include injury to the access vessels, improper endograft placement, ischaemic and systemic complications as well as the postimplantation syndrome. Femoral pseudoaneurysms, endograft migration, kinking or occlusion, endoleaks and endograft infection are complications that have been ob...
Source: Der Radiologe - August 6, 2018 Category: Radiology Authors: Amin S, Schnabel J, Eldergash O, Chavan A Tags: Radiologe Source Type: research

["Only a planning  …"].
["Only a planning …"]. Radiologe. 2018 Aug;58(8):705-707 Authors: Delorme S, Nestle U, Burnet N PMID: 30088038 [PubMed - in process] (Source: Der Radiologe)
Source: Der Radiologe - August 1, 2018 Category: Radiology Authors: Delorme S, Nestle U, Burnet N Tags: Radiologe Source Type: research

Mitteilungen des Berufsverbandes der Deutschen Radiologen.
Authors: PMID: 30088039 [PubMed - in process] (Source: Der Radiologe)
Source: Der Radiologe - August 1, 2018 Category: Radiology Tags: Radiologe Source Type: research

[On the 70th birthday of Prof. Dr. Dr. h.c. Maximilian Reiser : "Post-factual laudation" and-almost a declaration of love].
[On the 70th birthday of Prof. Dr. Dr. h.c. Maximilian Reiser : "Post-factual laudation" and-almost a declaration of love]. Radiologe. 2018 Jul 25;: Authors: PMID: 30046899 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - July 25, 2018 Category: Radiology Tags: Radiologe Source Type: research

[Complicated acute type  B aortic dissection-what does endovascular therapy contribute?]
DISCUSSION: For the treatment of complicated type B aortic dissection, a number of endovascular options are available. For optimal treatment, profound knowledge of the disease, of the diagnostic workup, and of the interventional procedures is mandatory. PMID: 30030555 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - July 20, 2018 Category: Radiology Authors: Puippe GD Tags: Radiologe Source Type: research

[Noninvasive phenotyping of renal tumors-current state of the art].
Abstract BACKGROUND: Due to often overlapping imaging features, solid renal tumors pose a diagnostic challenge. In addition, personalized therapies require exact tumor subtyping. To reduce complications, this should ideally be performed noninvasively. AIMS: The aim of this work was to provide an overview on the current state of the art and new developments in the field of noninvasive radiological phenotyping of the most common types of adult renal tumors. RESULTS: Multimodal and multiparametric imaging already enables an exact, noninvasive differentiation between many types of benign and malignant r...
Source: Der Radiologe - July 20, 2018 Category: Radiology Authors: Bickel HS Tags: Radiologe Source Type: research

[Spin echo and gradient echo : Methodological duo of MRI].
Abstract Clinical magnetic resonance imaging (MRI) offers a multitude of different techniques with which anatomical, functional and metabolic information can be gained. The technical basis of an MRI method is the so-called pulse sequence, which determines the manner in which data is acquired. Pulse sequences are differentiated between gradient and spin echo sequences. The aim of this article is to present the principal physical properties of both techniques. From these properties, specific applications arise that are routinely used in clinical practice. PMID: 30019076 [PubMed - as supplied by publisher] ...
Source: Der Radiologe - July 17, 2018 Category: Radiology Authors: Leupold J, Neubauer J, Bock M Tags: Radiologe Source Type: research

[Basics and applications of Natural Language Processing (NLP) in radiology].
DISCUSSION: NLP offers numerous application scenarios for decision support and for quality management in radiology. PMID: 30014451 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - July 16, 2018 Category: Radiology Authors: Jungmann F, Kuhn S, Kämpgen B Tags: Radiologe Source Type: research

Diffusion-weighted breast imaging.
t S Abstract Magnetic resonance imaging (MRI) of the breast represents one of the most sensitive imaging modalities in breast cancer detection. Diffusion-weighted imaging (DWI) is a sequence variation introduced as a complementary MRI technique that relies on mapping the diffusion process of water molecules thereby providing additional information about the underlying tissue. Since water diffusion is more restricted in most malignant tumors than in benign ones owing to the higher cellularity of the rapidly proliferating neoplasia, DWI has the potential to contribute to the identification and characteriza...
Source: Der Radiologe - July 12, 2018 Category: Radiology Authors: Deike-Hofmann K, Kuder T, König F, Paech D, Dreher C, Delorme S, Schlemmer HP, Bickelhaupt S Tags: Radiologe Source Type: research

[Imaging findings of intramammary malignant lymphoproliferative disease].
Abstract Intramammary manifestation of lymphoproliferative disease is rare. The radiological evaluation follows in most cases the clinical suspicion and therefore the radiologist takes an important place in diagnostics. The aim of this work is to demonstrate typical radiological patterns of this rare entity with multimodal cases and to sensitize for it. The differential diagnosis to other breast tumors, especially primary breast carcinoma, can be radiologically difficult, so the suspicious lesion must be histologically verified by biopsy. PMID: 29992401 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - July 10, 2018 Category: Radiology Authors: Wienbeck S, Meyer HJ, Surov A Tags: Radiologe Source Type: research

[Normal tissue: radiosensitivity, toxicity, consequences for planning].
PE Abstract Along with chemotherapy, surgery and immunotherapy, radiotherapy is a mainstay of cancer treatment. Considering the improving survival rates for various malignancies during the past decades, the importance of radiation-induced late normal tissue response is increasing. Quality of life is becoming an important issue in modern cancer treatment and is correlated with acute and late normal tissue response after radiotherapy. A profound understanding of radiation-induced normal tissue response is necessary to sufficiently diagnose and treat radiation-induced side effects and thereby increase the ...
Source: Der Radiologe - July 10, 2018 Category: Radiology Authors: Rühle A, Huber PE Tags: Radiologe Source Type: research

[Systematic literature search in PubMed : A short introduction].
tschall E Abstract In order to identify current (and relevant) evidence for a specific clinical question within the unmanageable amount of information available, solid skills in performing a systematic literature search are essential. An efficient approach is to search a biomedical database containing relevant literature citations of study reports. In this article, we explain step by step how to perform a systematic literature search via PubMed (MEDLINE) by means of an example research question in the field of ophthalmology. First, we demonstrate how to translate the clinical problem into a&nbs...
Source: Der Radiologe - July 4, 2018 Category: Radiology Authors: Blümle A, Lagrèze WA, Motschall E Tags: Radiologe Source Type: research

[Impact of anamnestic information and neurological deficits on the detection rate of secondary headaches].
t W Abstract PURPOSE: Headaches are a very common symptom and imaging is important to rule out symptomatic causes. For clinical differentiation between primary and secondary headaches an exact anamnesis and neurological examination are important. The aim of this study is therefore to identify anamnestic and neurological information that is associated with secondary headaches. Moreover, this study gives an overview of the causes and differential diagnoses of secondary headaches. METHODS: We performed a retrospective analysis of 239 patients ≥18 years with headaches who had undergone computed ...
Source: Der Radiologe - July 3, 2018 Category: Radiology Authors: Sporns PB, Hälker L, Heindel W, Niederstadt T, Allkemper T, Dziewas R, Schwindt W Tags: Radiologe Source Type: research

[Target volume concepts in radiotherapy and their implications for imaging].
Abstract CLINICAL ISSUE: Successful radiotherapy requires precise localization of the tumor and requires high-quality imaging for developing a treatment plan. STANDARD TREATMENT: Irradiation of the tumor region, including a safety margin. TREATMENT INNOVATIONS: The target volume consists of the gross tumor volume (GTV) containing visible parts of the tumor, the clinical target volume (CTV) covering the GTV plus invisible tumor extensions, and the planning target volume (PTV) to account for uncertainties. The non-GTV parts of the CTV are based on historical patient data. The PTV margins are based on ...
Source: Der Radiologe - June 27, 2018 Category: Radiology Authors: Burnet NG, Noble DJ, Paul A, Whitfield GA, Delorme S Tags: Radiologe Source Type: research

[Planning target volume : Management of uncertainties, immobilization, image guided and adaptive radiation therapy].
l O Abstract CLINICAL/METHODICAL ISSUE: As a standard, today's radiation therapy is based on CT images which are used for therapy planning. These images are obtained once before therapy starts and serve as a basis to obtain the position and shape of the target volume. As the patient has to be positioned anew for each fraction, deviations of the tumor position relative to the radiation field but also internal motion of the tumor may occur. These deviations lead to uncertainties, which are taken into account by adding a safety margin around the clinical target volume (CTV) to create the planning targe...
Source: Der Radiologe - June 26, 2018 Category: Radiology Authors: Schwahofer A, Jäkel O Tags: Radiologe Source Type: research

[Entrapment and non-entrapment syndromes at the elbow].
Abstract CLINICAL/METHODICAL ISSUE: Entrapment syndromes of peripheral nerves at the elbow are common and are often diagnostically challenging disorders. Difficulties consist in lesion localization and recognition of complex spatial lesion patterns as well as in differentiation of focal and multifocal disorders. STANDARD DIAGNOSTIC METHODS: Medical history taking, neurological examination and neurophysiological tests represent the gold standard in the diagnosis of peripheral nerve lesions at the elbow, but have known methodical limitations. METHODICAL INNOVATIONS: Additional diagnostic imaging tools rece...
Source: Der Radiologe - June 22, 2018 Category: Radiology Authors: Godel T, Pham M Tags: Radiologe Source Type: research

Machine learning: from radiomics to discovery and routine.
h H Abstract Machine learning is rapidly gaining importance in radiology. It allows for the exploitation of patterns in imaging data and in patient records for a more accurate and precise quantification, diagnosis, and prognosis. Here, we outline the basics of machine learning relevant for radiology, and review the current state of the art, the limitations, and the challenges faced as these techniques become an important building block of precision medicine. Furthermore, we discuss the roles machine learning can play in clinical routine and research and predict how it might change the field of radiology. PMID...
Source: Der Radiologe - June 19, 2018 Category: Radiology Authors: Langs G, Röhrich S, Hofmanninger J, Prayer F, Pan J, Herold C, Prosch H Tags: Radiologe Source Type: research

[Disorders of migration and gyration].
Abstract Disorders of migration and gyration are a versatile group of pathologies that may cause epilepsy and/or neurodevelopmental delay. With the recent improvement of imaging methods, it is possible to detect these pathologies, not only on postnatal MRI but also in utero using fetal MRI. The use of MRI together with genetic tests and knowledge of the classification of these malformations makes early diagnosis possible. Furthermore, the exact diagnosis of disorders of gyration and migration will help ensure better treatment of symptomatic epilepsies as well as be of great help in counselling the parents if ...
Source: Der Radiologe - May 30, 2018 Category: Radiology Authors: Pogledic I Tags: Radiologe Source Type: research

[Chiari malformation].
Abstract Chiari malformation is one of the most common congenital anomalies involving both skeletal and neuronal structures. Magnetic Resonance Imaging(MRI) is nowadays considered the imaging technique of choice for the diagnosis of Chiari malformations. Computed Tomography (CT) scans may provide additional information about skeletal anomalies. PMID: 29845332 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - May 29, 2018 Category: Radiology Authors: Alexandrou M, Politi M, Papanagiotou P Tags: Radiologe Source Type: research

[Fetal magnetic resonance imaging].
Abstract CLINICAL ISSUE: The most important prenatal screening method for the detailed assessment of the fetus is ultrasound, which is often combined with colour-coded Doppler sonography. In case of sonographically diagnosed fetal pathologies or technical limitations of the ultrasound, supplementary diagnostics may be necessary. STANDARD RADIOLOGICAL METHODS: With fast MRI sequences, fetal MRI screening provides important additional information especially with regard to the most common congenital pathologies-central nervous system (CNS) pathologies (agenesis of the corpus callosum, ventriculomegaly, arachnoid...
Source: Der Radiologe - May 28, 2018 Category: Radiology Authors: Reith W, Haussmann A, Yilmaz U Tags: Radiologe Source Type: research

DAWN and DEFUSE-3 trials: is time still important?
CONCLUSION: Thrombectomy was shown to have high efficacy up to 24 h after suspected symptom onset; however, patient selection is very complex. Early detection of large-vessel occlusion is of utmost importance. The cooperation between existing neurovascular networks should be adapted according to these new findings. PMID: 29808241 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - May 28, 2018 Category: Radiology Authors: Ragoschke-Schumm A, Walter S Tags: Radiologe Source Type: research

[CEUS-application possibilities in the musculoskeletal system].
r C Abstract METHODICAL ISSUE: Contrast-enhanced ultrasound (CEUS) offers easily accessible visualization and quantification of the skeletal muscle microcirculation and other tissues in vivo and in real-time with almost no side effects. AIM: The aim of this review is to present the increasing number of musculoskeletal CEUS applications. METHODICAL INNOVATIONS/PERFORMANCE: CEUS applications regarding the musculoskeletal system include applications at bone and joints extending beyond the visualization of only the muscular microcirculation. Besides basic muscle physiology, impaired microcirculation in patie...
Source: Der Radiologe - May 28, 2018 Category: Radiology Authors: Jäschke M, Weber MA, Fischer C Tags: Radiologe Source Type: research

[Imaging of abdominal tumors in childhood and adolescence : Part  I: Background, hepatic, splenic and pancreatic tumors].
[Imaging of abdominal tumors in childhood and adolescence : Part I: Background, hepatic, splenic and pancreatic tumors]. Radiologe. 2018 May 24;: Authors: Renz DM, Mentzel HJ Abstract In comparison to adult patients, other specific entities of abdominal tumors occur in childhood and adolescence. These include malignant tumors originating from embryonic tissue, such as hepatoblastoma. Some of the abdominal tumors are already diagnosed prenatally or in neonates. Sonography functions as the primary radiological basic diagnostics of pediatric abdominal space-occupying lesions, if necessary supplement...
Source: Der Radiologe - May 24, 2018 Category: Radiology Authors: Renz DM, Mentzel HJ Tags: Radiologe Source Type: research

[Dandy-Walker malformation].
Abstract The Dandy-Walker malformation is the most frequent cerebral malformation. It is defined by hypoplasia and upward rotation of the vermis cerebelli, a cystic enlargement of the fourth ventricle and in total an enlarged posterior fossa with cranially shifted position of the lateral sinus, tentorium and torcula herophili. This malformation was first described by Dandy and Blackfan in 1914 then supplemented again by Taggart and Walker in 1942. The current description as Dandy-Walker malformation was introduced in 1954 by Bender. In addition to these classical findings, the Dandy-Walker malformation is cha...
Source: Der Radiologe - May 24, 2018 Category: Radiology Authors: Reith W, Haussmann A Tags: Radiologe Source Type: research

[Spina bifida].
s R Abstract Spina bifida is a congenital disorder with incomplete closure of the spinal column due to a bony vertebral defect. The term spina bifida literally means cleft spine and is used as a generic term of spinal dysraphism (Greek: Raphe = seam). It is a midline defect that occurs during the embryonic period. The insufficient closure of one or more vertebral arches is the result of an incomplete junction of the neural tube. Depending on the extent of the neural tube defect, various types of spina bifida can be differentiated. Closed spinal dysraphisms, also known as spin...
Source: Der Radiologe - May 24, 2018 Category: Radiology Authors: Mühl-Benninghaus R Tags: Radiologe Source Type: research

[Contrast-enhanced ultrasound: Tingling].
PMID: 29797042 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - May 24, 2018 Category: Radiology Authors: Delorme S, Clevert DA Tags: Radiologe Source Type: research

[Contrast-enhanced ultrasound (CEUS) and image fusion for procedures of liver interventions].
Abstract CLINICAL/METHODICAL ISSUE: Contrast-enhanced ultrasound (CEUS) is becoming increasingly important for the detection and characterization of malignant liver lesions and allows percutaneous treatment when surgery is not possible. Contrast-enhanced ultrasound image fusion with computed tomography (CT) and magnetic resonance imaging (MRI) opens up further options for the targeted investigation of a modified tumor treatment. METHODICAL INNOVATIONS: Ultrasound image fusion offers the potential for real-time imaging and can be combined with other cross-sectional imaging techniques as well as CEUS. ...
Source: Der Radiologe - May 24, 2018 Category: Radiology Authors: Jung EM, Clevert DA Tags: Radiologe Source Type: research

Abdominal lymphatic malformations.
CONCLUSION: In cystic abdominal masses in early childhood or young adults, abdominal LM must be taken into account by the radiologist. Newly defined entities in this spectrum of diseases are central conducting lymphatic anomaly (CCLA) and generalized lymphatic anomaly (GLA). PMID: 29796772 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - May 23, 2018 Category: Radiology Authors: Wohlgemuth WA, Brill R, Dendl LM, Stangl F, Stoevesandt D, Schreyer AG Tags: Radiologe Source Type: research

[Rathke cysts, craniopharyngioma, and colloid cysts : What are the differences between these pathologies?]
Abstract CLINICAL ISSUE: Headache is the most common symptom of colloid cysts, Rathke cysts, and craniopharyngioma due to their location in the midline, being extra-axial and typically presenting in the parasellar region. THERAPEUTIC PROBLEMS: Although these tumors are generally considered benign, each has its typical characteristics defined by its location and histology. These individual characteristics define whether surgery is necessary at all and if so, the preferred surgical approach and resection's totality. The histopathological findings primarily indicate that embryonic malformations-at the first glan...
Source: Der Radiologe - May 17, 2018 Category: Radiology Authors: Eymann R, Kiefer M Tags: Radiologe Source Type: research

[Agenesis of the corpus callosum].
Abstract CLINICAL ISSUE: Agenesis of the corpus callosum is reported to have an incidence of about 1:4000 live births. In 30-45% of cases, genetic etiologies can be identified, e. g., 10% chromosomal anomalies and 20-35% genetic syndromes. Environmental factors like fetal alcohol syndrome are also known to be prone to callosal agenesis. Callosal agenesis can be complete or partial and can be isolated or associated with other central nervous system (CNS) anomalies (e. g., cortical developmental disorders, callosal lipoma, intracranial cysts) or extra-CNS anomalies (e. g., eyes, face, cardiovascular). STA...
Source: Der Radiologe - May 17, 2018 Category: Radiology Authors: Lieb JM, Ahlhelm FJ Tags: Radiologe Source Type: research

[CEUS-diagnosis of solid renal tumors].
l K Abstract CLINICAL ISSUE: Renal lesions are detected earlier, often as a result of ultrasound examinations. However, the imaging-based differential diagnosis of different tumour entities remains challenging STANDARD RADIOLOGICAL METHODS: All renal tumours>1 cm should be evaluated for malignancy by computed tomography (CT) or magnetic resonance imaging (MRI). If an angiomyolipoma diagnosis cannot be established with imaging, further diagnostics are appropriate or if malignant progression is suspected, then multidisciplinary discussion for TNM-staging based uro-oncologic therapy is usual. METHODICA...
Source: Der Radiologe - May 16, 2018 Category: Radiology Authors: Stock K, Kübler H, Maurer T, Slotta-Huspenina J, Holzapfel K Tags: Radiologe Source Type: research

[CEUS-diagnostic workup of cystic renal lesions].
levert DA Abstract CLINICAL/METHODICAL ISSUE: Cystic renal lesions are common incidental findings in radiological imaging and they should be adequately examined to be able to characterize them as benign or malignant. STANDARD RADIOLOGICAL METHODS: It is not always possible to sufficiently characterize cystic renal lesion solely using native B‑mode sonography and color-Doppler sonography. METHODICAL INNOVATIONS: Using contrast-enhanced ultrasound (CEUS), it is possible to dynamically evaluate the perfusion of cystic renal lesions and to characterize the potential malignancy of these lesions using the Bo...
Source: Der Radiologe - May 4, 2018 Category: Radiology Authors: Rübenthaler J, Mueller-Peltzer K, Negrão de Figueiredo G, Gresser E, Clevert DA Tags: Radiologe Source Type: research

[Contrast-enhanced ultrasound in the diagnostic workup of lymph nodes].
Abstract CLINICAL/METHODICAL ISSUE: Daily tasks in sonographic diagnostics include detection and characterization of peripheral and abdominal lymph nodes. STANDARD RADIOLOGICAL METHODS: In addition to the B‑mode methods, color-coded Doppler sonography (CCDS) plays an important role in the evaluation of lymph nodes. METHODICAL INNOVATIONS: Contrast-enhanced ultrasound (CEUS) has become a standard procedure in vascular and organ diagnostics. Tissue perfusion can be recorded visually and retrospectively in real time using time-dependent intensity analysis. The contrast agent dosage depends primarily ...
Source: Der Radiologe - May 4, 2018 Category: Radiology Authors: Weskott HP Tags: Radiologe Source Type: research

[Nuclear Magnetic Resonance: Pioneers of discovery].
PMID: 29721600 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - May 2, 2018 Category: Radiology Authors: Semmler W Tags: Radiologe Source Type: research

[CEUS-diagnosis of benign liver lesions].
vert DA Abstract CLINICAL/METHODICAL ISSUE: Focal liver lesions are commonly seen during routine ultrasound examinations. STANDARD RADIOLOGICAL METHODS: With native ultrasound there are lesions that cannot be sufficiently characterized. In these cases additional imaging might be necessary. METHODICAL INNOVATIONS: With contrast-enhanced ultrasound (CEUS), focal liver lesions can be characterized with high diagnostic accuracy. After the ultrasound contrast agent has been injected into a peripheral vein, the examiner saves video loops of the arterial, portal venous and late contrast phases. Combing the...
Source: Der Radiologe - April 27, 2018 Category: Radiology Authors: Müller-Peltzer K, Rübenthaler J, Negrao de Figueiredo G, Clevert DA Tags: Radiologe Source Type: research

[CEUS-Use in testicular pathologies].
CONCLUSION: CEUS is a feasible instrument in the diagnostic work-up of testicular pathologies. Results from previous studies are promising. Regarding the application in cases of scrotal trauma, the method could play an essential role in the future. With regard to a classification of unclear testicular lesions, further studies with a larger number of patients are needed in order to confirm previously described perfusion patterns. PMID: 29704012 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - April 27, 2018 Category: Radiology Authors: Marcon J, Trottmann M, Stief CG, Clevert DA Tags: Radiologe Source Type: research

[CEUS-Diagnostic of malignant liver lesions].
J, Clevert DA Abstract CLINICAL/METHODICAL ISSUE: Cross-sectional modalities or conventional ultrasound are not always able to sufficiently identify and characterize malignant liver lesions. STANDARD RADIOLOGICAL METHODS: The evaluation of malignant liver lesions in conventional ultrasound relies on echostructure, shape and borders, but often warrants additional contrast-enhanced computed tomography (CT) or magnetic resonance imaging (MRI) studies. METHODICAL INNOVATIONS: Contrast-enhanced ultrasound (CEUS) is a relatively safe imaging technique used for the detection and characterization of maligna...
Source: Der Radiologe - April 27, 2018 Category: Radiology Authors: Negrão de Figueiredo G, Müller-Peltzer K, Rübenthaler J, Clevert DA Tags: Radiologe Source Type: research

[Principles of PET].
Abstract Positron emission tomography (PET) is a procedure in nuclear medicine, which is applied predominantly in oncological diagnostics. In the form of modern hybrid machines, such as PET computed tomography (PET/CT) and PET magnetic resonance imaging (PET/MRI) it has found wide acceptance and availability. The PET procedure is more than just another imaging technique, but a functional method with the capability for quantification in addition to the distribution pattern of the radiopharmaceutical, the results of which are used for therapeutic decisions. A profound knowledge of the principles of PE...
Source: Der Radiologe - April 19, 2018 Category: Radiology Authors: Beuthien-Baumann B Tags: Radiologe Source Type: research

[Dyspnea after instillation therapy for bladder cancer].
PMID: 29675695 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - April 19, 2018 Category: Radiology Authors: Julius D, Geerdes Fenge HF, Weber MA Tags: Radiologe Source Type: research

[Injuries of ligaments and tendons of foot and ankle : What every radiologist should know].
Abstract Injuries of the ligaments and tendons of the ankle and foot are among the most common musculoskeletal injuries. A correct and precise description of the pathology and possible accompanying injuries is essential for treatment planning by trauma and orthopedic surgeons. While X‑ray is used to exclude fractures, ultrasound is a very useful tool to assess the ligaments and tendons. For the radiologist, magnetic resonance imaging (MRI) is invaluable regarding the correct assessment of (partial) ruptures, as well as for evaluating accompanying injuries. The aim of the present overview is to provide ...
Source: Der Radiologe - April 13, 2018 Category: Radiology Authors: Thierfelder KM, Gemescu IN, Weber MA, Meier R Tags: Radiologe Source Type: research

[Radiological imaging of inflammatory diseases of the gastrointestinal tract].
PMID: 29626251 [PubMed - in process] (Source: Der Radiologe)
Source: Der Radiologe - April 1, 2018 Category: Radiology Authors: Scharitzer M, Mang T, Herold C Tags: Radiologe Source Type: research

Mitteilungen des Berufsverbandes der Deutschen Radiologen.
Authors: PMID: 29626252 [PubMed - in process] (Source: Der Radiologe)
Source: Der Radiologe - April 1, 2018 Category: Radiology Tags: Radiologe Source Type: research

[Imaging of gastrointestinal inflammation : Characteristic patterns and signs].
This article summarizes common signs and typical patterns frequently seen in inflammatory conditions of the gastrointestinal tract. A systematic approach for structured analysis of specific and nonspecific imaging features and common pitfalls may aid in the interpretation and help to narrow the spectrum of potential differential diagnoses. PMID: 29572712 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - March 23, 2018 Category: Radiology Authors: Mang T, Scharitzer M Tags: Radiologe Source Type: research