[Future of mammography-based imaging.]
Abstract Mammography is the central diagnostic method for clinical diagnostics of breast cancer and the breast cancer screening program. In the clinical routine complementary methods, such as ultrasound, tomosynthesis and optional magnetic resonance imaging (MRI) are already combined for the diagnostic procedure. Future developments will utilize investigative procedures either as a hybrid (combination of several different imaging modalities in one instrument) or as a fusion method (the technical fusion of two or more of these methods) to implement fusion imaging into diagnostic algorithms. For screening there are ...
Source: Der Radiologe - February 27, 2014 Category: Radiology Authors: Schulz-Wendtland R, Wittenberg T, Michel T, Hartmann A, Beckmann MW, Rauh C, Jud SM, Brehm B, Meier-Meitinger M, Anton G, Uder M, Fasching PA Tags: Radiologe Source Type: research

[Diffusion-weighted breast imaging : Clinical implementation procedure.]
Abstract Diffusion-weighted imaging (DWI) of the breast provides additional contrast information in breast magnetic resonance imaging (MRI). The DWI procedure can easily be implemented in the routine breast MRI protocol with little time expenditure regarding image acquisition and evaluation. Evaluation of the DW images can be performed with or without the routine breast MRI sequences (T2w and T1w with contrast material) but evaluation in combination with the routine program is highly recommended. Objective analysis of the tissue diffusion can be achieved by calculating the apparent diffusion coefficient (ADC) valu...
Source: Der Radiologe - February 27, 2014 Category: Radiology Authors: Wenkel E, Uder M, Janka R Tags: Radiologe Source Type: research

[Imaging of the elbow joint with focus MRI : Part 2: muscles, nerves and synovial membranes.]
Abstract This review article discusses the magnetic resonance imaging (MRI) features and pathological changes of muscles, nerves and the synovial lining of the elbow joint. Typical imaging findings are illustrated and discussed. In addition, the cross-sectional anatomy and anatomical variants, such as accessory muscles and plicae are discussed. Injuries of the muscles surrounding the elbow joint, as well as chronic irritation are particularly common in athletes. Morphological changes in MRI, for example tennis or golfer's elbow are typical and often groundbreaking. By adapting the examination sequences, imaging pl...
Source: Der Radiologe - February 27, 2014 Category: Radiology Authors: Rehm J, Zeifang F, Weber MA Tags: Radiologe Source Type: research

[Molecular breast imaging : An update.]
Abstract CLINICAL/METHODICAL ISSUE: The aim of molecular imaging is to visualize and quantify biological, physiological and pathological processes at cellular and molecular levels. Molecular imaging using various techniques has recently become established in breast imaging. STANDARD RADIOLOGICAL METHODS: Currently molecular imaging techniques comprise multiparametric magnetic resonance imaging (MRI) using dynamic contrast-enhanced MRI (DCE-MRI), diffusion-weighted imaging (DWI), proton MR spectroscopy ((1)H-MRSI), nuclear imaging by breast-specific gamma imaging (BSGI), positron emission tomography (PET) and ...
Source: Der Radiologe - February 22, 2014 Category: Radiology Authors: Pinker K, Helbich TH, Magometschnigg H, Fueger B, Baltzer P Tags: Radiologe Source Type: research

[Innovative teleradiology network : Concept and experience report.]
h G Abstract (DICOM E-MAIL provides a standardized way for exchanging DICOM objects (Digital Imaging and Communications in Medicine) and further relevant patient data for the treatment context reliably and securely via encrypted e-mails. The current version of the DICOM E-MAIL standard recommendations of the"Deutsche Röntgengesellschaft" (DRG, German Röntgen Society) defines for the first time options for setting up a special directory service for the provision and distribution of communication data of all participants in a network. By using such"telephone books", networks of any size...
Source: Der Radiologe - February 20, 2014 Category: Radiology Authors: Kämmerer M, Bethge OT, Antoch G Tags: Radiologe Source Type: research

[Automatic segmentation and annotation in radiology.]
Abstract The technical progress and broader indications for cross-sectional imaging continuously increase the number of radiological images to be assessed. However, as the amount of image information and available resources (radiologists) do not increase at the same pace and the standards of radiological interpretation and reporting remain consistently high, radiologists have to rely on computer-based support systems. Novel semantic technologies and software relying on structured ontological knowledge are able to "understand" text and image information and interconnect both. This allows complex database ...
Source: Der Radiologe - February 14, 2014 Category: Radiology Authors: Dankerl P, Cavallaro A, Uder M, Hammon M Tags: Radiologe Source Type: research

[Radiological diagnostics in CUP syndrome.]
Abstract CLINICAL/METHODICAL ISSUE: Imaging plays an essential role in the therapeutic management of cancer of unknown primary (CUP) patients for localizing the primary tumor, for the identification of tumor entities for which a dedicated therapy regimen is available and for the characterization of clinicopathological subentities that direct the subsequent diagnostic and therapeutic strategy. STANDARD RADIOLOGICAL METHODS: Modalities include conventional x-ray, computed tomography (CT), magnetic resonance imaging (MRI) and ultrasound as well as positron emission tomography (PET)-CT and MRI-PET. PERFORMAN...
Source: Der Radiologe - February 7, 2014 Category: Radiology Authors: Kazmierczak PM, Nikolaou K, Rominger A, Graser A, Reiser MF, Cyran CC Tags: Radiologe Source Type: research

[Incidental finding of a rare cerebellar space-occupying lesion : The radiologist can make the diagnosis.]
PMID: 24500248 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - February 7, 2014 Category: Radiology Authors: Nowak J, Durmus T, Bison B Tags: Radiologe Source Type: research

[Surgical options in cancer of unknown primary (CUP).]
CONCLUSION: Surgery is an important therapy option in different subgroups of patients with CUP. Together with multimodal therapy, adjusted according to the identified most likely origin of the primary tumor, it is possible to prolong patient survival. PMID: 24496789 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - February 6, 2014 Category: Radiology Authors: Schmidt T, Ulrich A Tags: Radiologe Source Type: research

[The big mystery.]
r D PMID: 24493101 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - February 5, 2014 Category: Radiology Authors: Delorme S, Jäger D Tags: Radiologe Source Type: research

[Recurrent atrial fibrillation after pulmonary vein isolation : Myocardial extracellular volume as prognosis marker.]
PMID: 24477839 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - January 31, 2014 Category: Radiology Authors: Avanesov M, Karul M Tags: Radiologe Source Type: research

[The role of pathology in the diagnostics of CUP syndrome.]
This article reviews the options and challenges of tissue-based conventional as well as molecular diagnostic procedures to categorize this heterogeneous group of neoplasms. The role of pathology in the diagnostics of CUP syndrome is described as part of a multidisciplinary effort involving oncologists, surgeons and radiologists with the ultimate goal of assisting clinical reasoning and decision-making. PMID: 24463713 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - January 26, 2014 Category: Radiology Authors: Stenzinger A, Kriegsmann M, Weichert W Tags: Radiologe Source Type: research

[Visualization of subtle temporal bone structures : Comparison of cone beam CT and MDCT.]
CONCLUSION: The use of CBCT and MDCT allows equivalent and excellent imaging results if optimized protocols are chosen. With both imaging techniques subtle temporal bone structures could be visualized with a similar degree of definition. In vivo differences do not seem to be as large as suggested in several previous studies. PMID: 24463714 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - January 26, 2014 Category: Radiology Authors: Pein MK, Brandt S, Plontke SK, Kösling S Tags: Radiologe Source Type: research

[Importance of nuclear medicine diagnostics in CUP syndrome.]
Abstract CLINICAL/METHODICAL ISSUE: The diagnostic work-up in patients with carcinoma of unknown primary (CUP) syndrome is extensive, highly time-consuming and cost-intensive and ultimately often fails to detect a primary site. STANDARD RADIOLOGICAL METHODS: In this context chest X-ray and computed tomography (CT) have been used as standard imaging modalities in CUP syndrome. METHODOLOGICAL INNOVATIONS: Since the introduction of positron emission tomography (PET) evaluation of tumor vitality has become possible. Furthermore, PET-CT hybrid scanners allow the combination of functional and morphological ima...
Source: Der Radiologe - January 22, 2014 Category: Radiology Authors: Winter MC, Haberkorn U, Kratochwil C Tags: Radiologe Source Type: research

[Passive smoking: 6 years of the non-smoker protection act in Germany and the consequences.]
r M PMID: 24445409 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - January 22, 2014 Category: Radiology Authors: Pötschke-Langer M Tags: Radiologe Source Type: research

[Cancer of unknown primary : Epidemiology and pathogenesis.]
CONCLUSION: In combination with the fact that a primary tumor cannot be identified by autopsy in more than 20 % of cases, the important conclusion can be drawn that curative approaches seem appropriate for localized CUP cases. PMID: 24435156 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - January 18, 2014 Category: Radiology Authors: Löffler H, Neben K, Krämer A Tags: Radiologe Source Type: research

[Structured diagnostics and therapy of the CUP syndrome.]
l;mer A Abstract BACKGROUND: In the majority of cases, patients with cancer of unknown primary (CUP) have a poor prognosis with no prospect of being cured. Hence, a reasonable focus of diagnostics on its essential targets seems appropriate. PATIENTS: Particularly important is the identification of all patients who can be assigned to subgroups with a favorable prognosis and who might benefit from a specific therapy. For all other patients, platinum-based combination therapy is the standard cytostatic therapy. THERAPY: In addition to platinum derivatives, taxanes, gemcitabine and irinotecan can also be use...
Source: Der Radiologe - January 18, 2014 Category: Radiology Authors: Löffler H, Neben K, Krämer A Tags: Radiologe Source Type: research

[Imaging of the elbow joint with focused MRI : Part 1: examination techniques and sequences for bone and ligaments.]
Abstract Imaging of the elbow joint places high demands on the quality of imaging due to the challenging anatomy and the sometimes subtle findings. For the diagnosis of periarticular soft tissues, ligamentous structures and in individual cases for fracture and tumor diagnosis, magnetic resonance imaging (MRI) is mostly groundbreaking and allows a reliable diagnosis in most cases. This review article discusses the complex imaging anatomy and anatomical variants of this joint and the most common osseous and ligamentous injuries of the elbow joint are presented. The typical MRI findings and indications are illustrate...
Source: Der Radiologe - January 18, 2014 Category: Radiology Authors: Rehm J, Zeifang F, Weber MA Tags: Radiologe Source Type: research

[No exchange of information without technology : Modern infrastructure in radiology.]
Abstract Modern radiology cannot accomplish the daily numbers of examinations without supportive technology. Even though technology seems to be becoming increasingly more indispensable, business continuity should be ensured at any time and if necessary even with a limited technical infrastructure by business continuity management. An efficient information security management system forms the basis. The early radiology information systems were islands of information processing. A modern radiology department must be able to be modularly integrated into an informational network of a bigger organization. The secondary...
Source: Der Radiologe - January 10, 2014 Category: Radiology Authors: Hupperts H, Hermann KG Tags: Radiologe Source Type: research

[Current reporting in radiology : What will happen tomorrow?]
r E Abstract CLINICAL/METHODICAL ISSUE: Reporting in radiology faces considerable changes in the near future that will be influenced by a broader understanding of the task and increasing technological possibilities. STANDARD RADIOLOGICAL METHODS: Until now a radiological report could be regarded as a text phrased by a radiologist after viewing imaging data. METHODICAL INNOVATIONS: New solutions will be accessed by advances in visualization of large datasets, in extracting, analyzing, and communicating metadata as well as by improved integration and interpretation of clinical information. PERFORMANCE...
Source: Der Radiologe - January 10, 2014 Category: Radiology Authors: Baumann T, Hackländer T, Kotter E Tags: Radiologe Source Type: research

[Change in the Editor of Der Radiologe.]
PMID: 24402725 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - January 10, 2014 Category: Radiology Authors: Reiser M Tags: Radiologe Source Type: research

[Ergonomically designed radiology workplace.]
Abstract An ergonomically designed radiology workplace is a key factor for concentrated work during the whole day and is essential in preventing negative long-term effects due to inappropriate physical strain. To avoid such negative effects it is of paramount importance to know the factors that might cause strain on the radiologist, the appropriate application for workplace design to address these factors and how work-related disorders emerge. To minimize physical strain due to long-lasting and repetitive movements, the workspace must be adapted to the physical needs of the radiologist. Adjustable settings for the...
Source: Der Radiologe - January 5, 2014 Category: Radiology Authors: Knogler T, Ringl H Tags: Radiologe Source Type: research

[IT systems in radiology and IT systems for radiologists.]
l;ber C Abstract Radiology plays an important role in introduction and use of information technology (IT) systems in the daily clinical routine. The radiology information system (RIS) and picture archiving and communication system (PACS) are the main systems used in a digital radiology department. In this article the basic principles and functions of these systems and trends in development are described. PMID: 24366353 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - December 25, 2013 Category: Radiology Authors: Hempel JM, Jungmann F, Klöckner R, Pinto Dos Santos D, Kurz H, Düber C Tags: Radiologe Source Type: research

[Slowly enlarging space-occupying lesion of the posterior head with loss of hair.]
PMID: 24352345 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - December 20, 2013 Category: Radiology Authors: Leschka SC, Maruschke L Tags: Radiologe Source Type: research

[Radiotherapeutic concepts in cancer of unknown primary site.]
CONCLUSION: Radiation oncology is a crucial component of the interdisciplinary management of patients with CUP. Therapeutic decisions in patients with CUP should be made in an interdisciplinary setting. PMID: 24337673 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - December 15, 2013 Category: Radiology Authors: Krug D, Debus J, Sterzing F Tags: Radiologe Source Type: research

[A cystic lesion in the ulna : A simple one-look diagnosis?]
MA PMID: 24337674 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - December 15, 2013 Category: Radiology Authors: Sprengel SD, Renker EK, Mechtersheimer G, Macher-Göppinger S, Weber MA Tags: Radiologe Source Type: research

[Multiple osteosclerotic intraspongiosa focal findings.]
PMID: 24337675 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - December 15, 2013 Category: Radiology Authors: Sprengel SD, Weber MA, Rehnitz C Tags: Radiologe Source Type: research

[Cervicalgia with increased C-reactive protein levels.]
PMID: 24337651 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - December 13, 2013 Category: Radiology Authors: Bender B, Widmann G, Riechelmann H, Schmutzhard J Tags: Radiologe Source Type: research

[Oncological imaging for therapy response assessment.]
Abstract This review illustrates different radiological methods for therapy response assessment in the field of oncological imaging. Unidimensional measurement of tumor size according to the response evaluation criteria in solid tumors (RECIST) is of utmost importance. The established RECIST definitions of changes in size are decisive for subdivision into the categories complete response (CR), partial response (PR), stable disease (SD) and progressive disease (PD), which are generally accepted as the concise characterization for therapy response. Problems with size-dependent response assessment occur particularly ...
Source: Der Radiologe - December 12, 2013 Category: Radiology Authors: Stattaus J Tags: Radiologe Source Type: research

[Von Hippel-Lindau syndrome.]
r H Abstract Von Hippel-Lindau syndrome is an autosomal dominant inherited phacomatosis with a predisposition for the central nervous system and retina. There is variable expression with hemangioblastomas in the brain, medulla oblongata, spinal chord, renal carcinoma, pheochromocytoma, pancreatic cysts and islet cell tumors as well as tumors of the endolymphatic sac of the inner ear. Clinical symptoms occur first after an age of approximately 30 years. Magnetic resonance imaging (MRI) of the neuroaxis is indicated in all patients with a suspicion of von Hippel-Lindau syndrome. PMID: 24292403 [PubMed - as...
Source: Der Radiologe - December 1, 2013 Category: Radiology Authors: Reith W, Körner H Tags: Radiologe Source Type: research

[Phacomatoses.]
PMID: 24292368 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - November 30, 2013 Category: Radiology Authors: Reith W Tags: Radiologe Source Type: research

[Sturge-Weber syndrome.]
Abstract Sturge-Weber syndrome (SWS) is a rare congenital disease which affects the brain, the skin and the eyes. It is a sporadically occurring neurocutaneous syndrome affecting the intracerebral veins (venous angiomatosis). The frequency is estimated to be 1 in 50,000 births [1]. The main symptom is intracranial leptomeningeal angiomatosis which mostly affects the occipital and posterior parietal lobes and can occur unilaterally and also bilaterally. Facial cutaneous vascular alterations occur ipsilaterally in the form of port wine stains (nevus flammeus) which are normally found in the catchment area of the tri...
Source: Der Radiologe - November 30, 2013 Category: Radiology Authors: Reith W, Yilmaz U, Zimmer A Tags: Radiologe Source Type: research

[Osler's disease.]
r S Abstract Osler's disease, also known as hereditary hemorrhagic telangiectasia (HHT) and Osler-Weber-Rendu syndrome, is an autosomal dominant disorder leading to abnormal blood vessel formation in the skin, mucous membranes and often in organs, such as the lungs, liver and brain (arteriovenous malformations AVM). Various types are known. Patients may present with epistaxis. Teleangiectasia can be identified by visual inspection during physical examination of the skin or oral cavity or by endoscopy. Diagnosis is made after clinical examination and genetic testing based on the Curacao criteria. Modern imaging mod...
Source: Der Radiologe - November 27, 2013 Category: Radiology Authors: Ahlhelm F, Lieb J, Schneider G, Müller U, Ulmer S Tags: Radiologe Source Type: research

[Tuberous sclerosis complex.]
This article provides an overview of the clinical features and therapy as well as the specific imaging of tuberous sclerosis complex. PMID: 24276215 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - November 27, 2013 Category: Radiology Authors: Yilmaz U, Altmeyer K, Meyer S Tags: Radiologe Source Type: research

[Neurofibromatoses.]
Abstract Neurofibromatosis type 1 (NF1) and type 2 (NF2) are hereditary autosomal dominant neurocutaneous disorders, the phacomatoses, characterized by the development of tumors derived from the cells of the peripheral nerve sheath and also includes schwannomatosis. Regarding the clinical and genetic aspects they are, however, two distinct entities which are described separately in the following review. In addition to the typical clinical presentation and diagnostic criteria, characteristic imaging findings are presented especially in terms of the role of imaging in the diagnosis, follow-up and assessmen...
Source: Der Radiologe - November 22, 2013 Category: Radiology Authors: Zimmer A Tags: Radiologe Source Type: research

[Propagation of ultrasound in tissue and principles of ultrasound imaging.]
This article explains the phenomena of ultrasound propagation in tissue and the principles of ultrasound image generation-from the scan head to the image on the screen. PMID: 24258316 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - November 22, 2013 Category: Radiology Authors: Jenderka KV Tags: Radiologe Source Type: research

[Value of galactography for the diagnostic work-up of pathological nipple discharge in multimodal breast diagnostics : Part 1: An online survey among German breast care centers.]
CONCLUSION: Currently galactography is no longer a mandatory standard and newer methods are preferred. The evidential value of galactography in comparison to other techniques should be established on the basis of the literature. The second part of this paper will deal with this question. PMID: 24233401 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - November 15, 2013 Category: Radiology Authors: Scheurlen K, Schnitzer A, Krammer J, Kaiser C, Schönberg SO, Wasser K Tags: Radiologe Source Type: research

[Value of galactography for the diagnostic work-up of pathological nipple discharge in multimodal breast diagnostics : Part 2: A systematic review of the literature.]
CONCLUSION: Galactography, US and MRM all show a weak level of evidence and no superiority of a particular method can be derived. Therefore, galactography can no longer be considered as a mandatory standard in modern multimodal imaging of the breast. Recommendations for the diagnostic work-up of pathological nipple discharge have to be included in current guidelines and must consider these facts. PMID: 24233402 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - November 15, 2013 Category: Radiology Authors: Scheurlen K, Schnitzer A, Krammer J, Kaiser C, Schönberg SO, Wasser K Tags: Radiologe Source Type: research

[Recanalization of thrombosis of the superior vena cava using an Aspirex catheter.]
h M PMID: 24233403 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - November 15, 2013 Category: Radiology Authors: Minko P, Massmann A, Obst-Gleditsch K, Bücker A, Katoh M Tags: Radiologe Source Type: research

[Image postprocessing part 2: algorithms and workflow.]
Abstract Apart from various display options, a large variety of complex algorithms to analyze radiological datasets have become available by means of advanced visualization. Basic knowledge of common concepts and properties allows the physician to choose and employ these algorithms more efficiently and successfully. In addition to functionality alone, the seamless integration of these methods into the radiological workflow is of special importance. Different scenarios can be implemented to achieve this integration. Detailed information on the individual goals of an installation and on the existing infrastructure r...
Source: Der Radiologe - November 14, 2013 Category: Radiology Authors: Baumann T, Langer M Tags: Radiologe Source Type: research

[Value of new MR techniques in MR-PET.]
This article reports on initial clinical experiences with simultaneously acquired MRI-PET data, focusing on the potential benefits and limitations of MRI with respect to motion correction as well as metal and attenuation correction artefacts. PMID: 24221697 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - November 14, 2013 Category: Radiology Authors: Attenberger UI, Quick HH, Guimaraes A, Catalano O, Morelli JN, Schoenberg SO Tags: Radiologe Source Type: research

[Diagnostic odyssey in progressive dysphagia.]
ms J PMID: 24221698 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - November 14, 2013 Category: Radiology Authors: Schaarschmidt M, Keßler J, Voigt R, Bormann A, Harms J Tags: Radiologe Source Type: research

[New aspects on the macroanatomy of anterolateral ligament structures of the knee and the implications for Segond fractures.]
PMID: 24221699 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - November 14, 2013 Category: Radiology Authors: Weber MA Tags: Radiologe Source Type: research

[Dysuria and unclear lesional mass in the bladder.]
a J PMID: 24193304 [PubMed - as supplied by publisher] (Source: Der Radiologe)
Source: Der Radiologe - November 2, 2013 Category: Radiology Authors: Baum T, Holzapfel K, Münzel D, Rummeny EJ, Gaa J Tags: Radiologe Source Type: research

[Interventional sonography of the liver and kidneys.]
Abstract CLINICAL/METHODICAL ISSUE: Optimization of ultrasound guided interventional procedures of the liver and kidneys using new imaging methods. STANDARD RADIOLOGICAL METHODS: Punctures, biopsies, drainage, intraoperative ultrasound, fusion, embolization in correlation with ultrasound and other imaging methods. METHODICAL INNOVATIONS: Real-time-sonography, contrast-enhanced ultrasound (CEUS) and fusion for planning, monitoring and postinterventional control. PERFORMANCE: The use of CEUS enables better detection, characterization and execution of interventional procedures. Fusion facilitates detec...
Source: Der Radiologe - November 2, 2013 Category: Radiology Authors: Clevert DA, Jung EM Tags: Radiologe Source Type: research

[Image guiding techniques and navigation for TACE, SIRT and TIPS.]
Abstract CLINICAL/METHODICAL ISSUE: To avoid non-targeted embolization in liver tumors, arteries important for embolization must be detected. In transarterial chemoembolization (TACE) arteries for particle embolization have to be detected and in selective internal radiotherapy (SIRT) extrahepatic arteries which must be protected from embolization have to be detected. In transjugular intrahepatic portosystemic shunt (TIPS) the problem is to achieve an exactly targeted puncture of the portal vein. STANDARD RADIOLOGICAL METHODS: In TACE and SIRT detection of the vessels is performed from various angles by digita...
Source: Der Radiologe - November 2, 2013 Category: Radiology Authors: Adamus R, Pfister M, Uder M, Loose RW Tags: Radiologe Source Type: research

[Image-guided therapy with closed MRI : An update.]
Abstract STANDARD RADIOLOGICAL METHODS: Standard imaging modalities for percutaneous minimally invasive therapy are ultrasound, fluoroscopy and computed tomography. METHODICAL INNOVATIONS: Magnetic resonance imaging is becoming increasingly more popular for minimally invasive procedures. The advantages are high soft-tissue contrast, the possibility of free selection of multiple imaging slices, multiple tools for intrainterventional monitoring and the absence of ionizing radiation for the patient and the interventional radiologist. ACHIEVEMENTS: Magnetic resonance imaging is a promising imaging modality f...
Source: Der Radiologe - October 31, 2013 Category: Radiology Authors: Hoffmann R, Rempp H, Pereira PL, Clasen S Tags: Radiologe Source Type: research

[Percutaneous interventions in an open MR system : Technical background and clinical indications.]
Abstract The latest and therefore more efficient open magnetic resonance (MR) scanners with a field strength of 1 T allow freehand fluoroscopic interventions with excellent image quality. Specifically designed interactive software simplifies examination planning and performance. Guidance in two imaging planes allows fast and accurate device positioning and interventional procedures during free breathing. The diagnostic and therapeutic spectrum includes a wide variety of interstitial percutaneous interventions. The most important are periradicular therapy (PRT), intra-abdominal drainage and nephrostoma placeme...
Source: Der Radiologe - October 31, 2013 Category: Radiology Authors: Fischbach F, Fischbach K, Ricke J Tags: Radiologe Source Type: research

[MRI for monitoring of high intensity focused ultrasound : Current developments.]
Abstract With respect to monitoring of high intensity focused ultrasound (HIFU), synonym focused ultrasound (FUS) treatment, magnetic resonance imaging (MRI) is characterized by several advantageous properties: the precise definition and morphological characterization of the target area (before and after the intervention), the real-time visualization of the treatment effect by thermal imaging (during the intervention) and in the sense of a stereotactic system, the 3-dimensional localization of the target lesion, planning of the target volume and assessment of the achieved ablation volume (before and during the int...
Source: Der Radiologe - October 31, 2013 Category: Radiology Authors: Trumm CG, Stahl R, Peller M, Clevert DA, Huber A, Reiser MF, Matzko M Tags: Radiologe Source Type: research

[Osteochondroma and multiple osteochondromas : Recommendations on the diagnostics and follow-up with special consideration to the occurrence of secondary chondrosarcoma.]
CONCLUSIONS: The risk of malignant transformation of SO is generally low. Axial lesions as well as recurrent osteochondromas and MO seem to have an increased risk of malignant transformation. The follow-up, requiring sufficient primary diagnostics, includes regular self-control and can usually be clinically carried out in more peripherally located lesions but in certain cases supplementary X-ray imaging is needed. In cases of anatomical regions which are more difficult to access manually, follow-up examination by magnetic resonance imaging (MRI) is the method of choice. Especially MO patients seem to benefit from long-term...
Source: Der Radiologe - October 17, 2013 Category: Radiology Authors: Herget GW, Kontny U, Saueressig U, Baumhoer D, Hauschild O, Elger T, Südkamp NP, Uhl M Tags: Radiologe Source Type: research