Articles

Texture-based classification of different single liver lesion based on SPAIR T2W MRI images

To assess the feasibility of texture analysis (TA) based on spectral attenuated inversion-recovery T2 weighted magnetic resonance imaging (SPAIR T2W-MRI) for the classification of hepatic hemangioma (HH), hepa...

Authors: Zhenjiang Li, Yu Mao, Wei Huang, Hongsheng Li, Jian Zhu, Wanhu Li and Baosheng Li

The value of ultrasound-guided biopsy of fluorodeoxy-glucose positron emission tomography (FDG-PET)-positive supraclavicular lymph nodes in patients with suspected lung cancer

Accurate lymph node staging is essential for adequate prognostication and therapy planning in patients with non-small cell lung cancer (NSCLC). FDG-PET/CT is a sensitive tool for the detection of metastases, i...

Authors: Lennart Werner, Franziska Aebersold Keller, Ujwal Bhure, Justus Egidius Roos, Katharina Tornquist, Maria del Sol Pèrez-Lago, Oliver Gautschi and Klaus Strobel

Prospective evaluation of computer-assisted analysis of skeletal lesions for the staging of prostate cancer

The purpose of this study was to compare the agreement of the bone scan index (BSI) using EXINI Bone^BSI versus experts’ readings in the initial staging for bone metastasis in prostate cancer. In addition, the dia...

Authors: Lars J. Petersen, Jesper C. Mortensen, Henrik Bertelsen and Helle D. Zacho

Microbubbles in macrocysts – Contrast-enhanced ultrasound assisted sclerosant therapy of a congenital macrocystic lymphangioma: a case report

Congenital cystic lymphangiomas are benign malformations due to a developmental disorder of lymphatic vessels. Besides surgical excision, sclerosant therapy of these lesions by intracavitary injection of OK-43...

Authors: Carlos Menendez-Castro, Maren Zapke, Fabian Fahlbusch, Heiko von Goessel, Wolfgang Rascher and Jörg Jüngert

CT texture features are associated with overall survival in pancreatic ductal adenocarcinoma – a quantitative analysis

To assess whether CT-derived texture features predict survival in patients undergoing resection for pancreatic ductal adenocarcinoma (PDAC).

Authors: Armin Eilaghi, Sameer Baig, Yucheng Zhang, Junjie Zhang, Paul Karanicolas, Steven Gallinger, Farzad Khalvati and Masoom A. Haider

Atypical findings of perineural cysts on postmyelographic computed tomography: a case report of intermittent intercostal neuralgia caused by thoracic perineural cysts

Perineural cysts are sometimes found incidentally with magnetic resonance imaging, and clinical symptoms requiring treatment are rare. Perineural cysts typically exhibit delayed filling with contrast medium on...

Authors: Hirokazu Iwamuro, Taro Yanagawa, Sachiko Takamizawa and Makoto Taniguchi

Statistical Permutation-based Artery Mapping (SPAM): a novel approach to evaluate imaging signals in the vessel wall

Cardiovascular diseases are the leading cause of death worldwide. A prominent cause of cardiovascular events is atherosclerosis, a chronic inflammation of the arterial wall that leads to the formation of so ca...

Authors: Robert Seifert, Aaron Scherzinger, Friedemann Kiefer, Sven Hermann, Xiaoyi Jiang and Michael A. Schäfers

Importance of correctly interpreting magnetic resonance imaging to diagnose posterior reversible encephalopathy syndrome associated with HELLP syndrome: a case report

Severe haemolysis, elevated liver enzyme levels, and low platelet count (HELLP) syndrome in pregnancy are possible underlying trigger factors for posterior reversible encephalopathy syndrome (PRES). Magnetic r...

Authors: Syuichi Tetsuka and Hiroaki Nonaka

Deterministic compressive sampling for high-quality image reconstruction of ultrasound tomography

A well-known diagnostic imaging modality, termed ultrasound tomography, was quickly developed for the detection of very small tumors whose sizes are smaller than the wavelength of the incident pressure wave wi...

Authors: Tran Quang Huy, Huynh Huu Tue, Ton That Long and Tran Duc-Tan

The effect of initial teaching on evaluation of left ventricular volumes by cardiovascular magnetic resonance imaging: comparison between complete and intermediate beginners and experienced observers

High reproducibility and low intra- and interobserver variability are important strengths of cardiac magnetic resonance (CMR). In clinical practice a significant learning curve may however be observed. Basic C...

Authors: Erik Hedström, Masaki Ishida, Alvaro Sepúlveda-Martínez, Daniel Salehi, Johannes Sperling, Henrik Engblom and Eike Nagel

Rapid Cartesian versus radial acquisition: comparison of two sequences for hepatobiliary phase MRI at 3 tesla in patients with impaired breath-hold capabilities

Hepatocyte-specific gadolinium based contrast agents (HSCA) provide substantial information for the classification of liver lesions in magnetic resonance imaging (MRI). However, breathing artifacts which reduc...

Authors: Johannes Budjan, Philipp Riffel, Melissa M. Ong, Stefan O. Schoenberg, Ulrike I. Attenberger and Daniel Hausmann

Evaluation of patients with painful total hip arthroplasty using combined single photon emission tomography and conventional computerized tomography (SPECT/CT) – a comparison of semi-quantitative versus 3D volumetric quantitative measurements

It was the primary purpose of our study to evaluate the inter- and intra-observer reliability of a standardized SPECT/CT algorithm for evaluating patients with painful primary total hip arthroplasty (THA). The...

Authors: Emilienne Barthassat, Faik Afifi, Praveen Konala, Helmut Rasch and Michael T. Hirschmann

Registration error of the liver CT using deformable image registration of MIM Maestro and Velocity AI

Understanding the irradiated area and dose correctly is important for the reirradiation of organs that deform after irradiation, such as the liver. We investigated the spatial registration error using the defo...

Authors: Nobuyoshi Fukumitsu, Kazunori Nitta, Toshiyuki Terunuma, Toshiyuki Okumura, Haruko Numajiri, Yoshiko Oshiro, Kayoko Ohnishi, Masashi Mizumoto, Teruhito Aihara, Hitoshi Ishikawa, Koji Tsuboi and Hideyuki Sakurai

Semi-automated brain tumor segmentation on multi-parametric MRI using regularized non-negative matrix factorization

Segmentation of gliomas in multi-parametric (MP-)MR images is challenging due to their heterogeneous nature in terms of size, appearance and location. Manual tumor segmentation is a time-consuming task and cli...

Authors: Nicolas Sauwen, Marjan Acou, Diana M. Sima, Jelle Veraart, Frederik Maes, Uwe Himmelreich, Eric Achten and Sabine Van Huffel

A comparison of pediatric and adult CT organ dose estimation methods

Computed Tomography (CT) contributes up to 50% of the medical exposure to the United States population. Children are considered to be at higher risk of developing radiation-induced tumors due to the young age ...

Authors: Yiming Gao, Brian Quinn, Usman Mahmood, Daniel Long, Yusuf Erdi, Jean St. Germain, Neeta Pandit-Taskar, X. George Xu, Wesley E. Bolch and Lawrence T. Dauer

Semi-automatic synthesis and biodistribution of N-(2-¹⁸F-fluoropropionyl)-bis(zinc (II)-dipicolylamine) (¹⁸F-FP-DPAZn2) for AD model imaging

Phosphatidylserine (PS)-targeting positron emission tomography (PET) imaging with labeled small-molecule tracer is a crucial non-invasive molecule imaging method of apoptosis. In this study, semi-automatic rad...

Authors: Fuhua Wen, Dahong Nie, Kongzhen Hu, Ganghua Tang, Shaobo Yao and Caihua Tang

Usefulness of grayscale inverted images in addition to standard images in digital mammography

Mammography is essential for early diagnosis of breast cancer, which is the most common type of cancer in females that is associated with a high mortality rate. We investigated whether evaluation of the graysc...

Authors: Ayşegül Altunkeser and M. Kazım Körez

Estimation of myocardial deformation using correlation image velocimetry

Tagged Magnetic Resonance (tMR) imaging is a powerful technique for determining cardiovascular abnormalities. One of the reasons for tMR not being used in routine clinical practice is the lack of easy-to-use t...

Authors: Athira Jacob, Ganapathy Krishnamurthi and Manikandan Mathur

Image quality improvement using model-based iterative reconstruction in low dose chest CT for children with necrotizing pneumonia

Model-based iterative reconstruction (MBIR) is a promising reconstruction method which could improve CT image quality with low radiation dose. The purpose of this study was to demonstrate the advantage of usin...

Authors: Jihang Sun, Tong Yu, Jinrong Liu, Xiaomin Duan, Di Hu, Yong liu and Yun Peng

Analysis of the three-dimensional anatomical variance of the distal radius using 3D shape models

Various medical fields rely on detailed anatomical knowledge of the distal radius. Current studies are limited to two-dimensional analysis and biased by varying measurement locations. The aims were to 1) gener...

Authors: Sebastian F. Baumbach, Jakob Binder, Alexander Synek, Fabian G. Mück, Yan Chevalier, Ekkehard Euler, Georg Langs and Lukas Fischer

Focused cardiac ultrasound by unselected residents—the challenges

Focus Cardiac Ultrasound (FoCUS) performed by internal medicine residents on call with 2 h of training can provide a means for ruling out cardiac disease, but with poor sensitivity. The purpose of the present ...

Authors: Vidar Ruddox, Ingvild Billehaug Norum, Thomas Muri Stokke, Thor Edvardsen and Jan Erik Otterstad

Ultrasonographic prevalence and characteristics of non-palpable thyroid incidentalomas in a hospital-based population in a sub-Saharan country

Thyroid incidentalomas (TI) are highly prevalent asymptomatic thyroid nodules with ultrasound as the best imaging modality for their detection and characterization. Although they are mostly benign, potential f...

Authors: Boniface Moifo, Jean Roger Moulion Tapouh, Sylviane Dongmo Fomekong, François Djomou and Emmanuella Manka’a Wankie

Evaluating segmental liver function using T1 mapping on Gd-EOB-DTPA-enhanced MRI with a 3.0 Tesla

Assessing the liver function provides valuable information to evaluate surgical risk and plan accordingly. Current studies focus on whole liver function evaluation. However, assessment of segmental liver funct...

Authors: Zhi-Peng Zhou, Li-Ling Long, Wei-Jia Qiu, Ge Cheng, Li-Juan Huang, Teng-Fei Yang and Zhong-Kui Huang

Time-resolved tracking of the atrioventricular plane displacement in Cardiovascular Magnetic Resonance (CMR) images

Atrioventricular plane displacement (AVPD) is an indicator for systolic and diastolic function and accounts for 60% of the left ventricular, and 80% of the right ventricular stroke volume. AVPD is commonly mea...

Authors: Felicia Seemann, Ulrika Pahlm, Katarina Steding-Ehrenborg, Ellen Ostenfeld, David Erlinge, Jean-Luc Dubois-Rande, Svend Eggert Jensen, Dan Atar, Håkan Arheden, Marcus Carlsson and Einar Heiberg

Distal radius plate of CFR-PEEK has minimal effect compared to titanium plates on bone parameters in high-resolution peripheral quantitative computed tomography: a pilot study

Carbon-fiber-reinforced poly-ether-ether-ketone (CFR-PEEK) has superior radiolucency compared to other orthopedic implant materials, e.g. titanium or stainless steel, thus allowing metal-artifact-free postoper...

Authors: Joost J. A. de Jong, Arno Lataster, Bert van Rietbergen, Jacobus J. Arts, Piet P. Geusens, Joop P. W. van den Bergh and Paul C. Willems

The assessment of accessory mental foramen in a selected polish population: a CBCT study

Accessory mental foramen (AMF) is a rare anatomical variation. When accessory mental foramen is present, the nerves and vessels that go through the mental foramen (MF) must follow alternative courses and speci...

Authors: Ewa Zmysłowska-Polakowska, Mateusz Radwański, Michał Łęski, Sławomir Ledzion, Monika Łukomska-Szymańska and Michał Polguj

Biodegradable magnesium Herbert screw – image quality and artifacts with radiography, CT and MRI

Magnesium alloys have recently been rediscovered as biodegradable implants in musculoskeletal surgery. This study is an ex-vivo trial to evaluate the imaging characteristics of magnesium implants in different ...

Authors: Lena Sonnow, Sören Könneker, Peter M. Vogt, Frank Wacker and Christian von Falck

Automatic MRI segmentation of para-pharyngeal fat pads using interactive visual feature space analysis for classification

Obstructive sleep apnea (OSA) is a public health problem. Detailed analysis of the para-pharyngeal fat pads can help us to understand the pathogenesis of OSA and may mediate the intervention of this sleeping d...

Authors: Muhammad Laiq Ur Rahman Shahid, Teodora Chitiboi, Tetyana Ivanovska, Vladimir Molchanov, Henry Völzke and Lars Linsen

Abdominal ultrasound-scanning versus non-contrast computed tomography as screening method for abdominal aortic aneurysm – a validation study from the randomized DANCAVAS study

Validating non-contrast-enhanced computed tomography (nCT) compared to ultrasound sonography (US) as screening method for abdominal aortic aneurysm (AAA) screening.

Authors: Mads Liisberg, Axel C. Diederichsen and Jes S. Lindholt

An artificial neural networks approach for assessment treatment response in oncological patients using PET/CT images

Positron Emission Tomography – Computed Tomography (PET/CT) imaging is the basis for the evaluation of response-to-treatment of several oncological diseases. In practice, such evaluation is manually performed ...

Authors: Mariana A. Nogueira, Pedro H. Abreu, Pedro Martins, Penousal Machado, Hugo Duarte and João Santos

Three-dimensional comparison of intramuscular fat content between young and old adults

Fat infiltration within skeletal muscle is known as intramuscular fat (IMF), which increases with aging. Studies have assessed IMF content, using the mid-thigh as a representative location. However, three-dime...

Authors: Akito Yoshiko, Maya Hioki, Nana Kanehira, Kiyoshi Shimaoka, Teruhiko Koike, Hisataka Sakakibara, Yoshiharu Oshida and Hiroshi Akima

Developing a nomogram based on multiparametric magnetic resonance imaging for forecasting high-grade prostate cancer to reduce unnecessary biopsies within the prostate-specific antigen gray zone

Since 1980s the application of Prostate specific antigen (PSA) brought the revolution in prostate cancer diagnosis. However, it is important to underline that PSA is not the ideal screening tool due to its low...

Authors: Xiang-ke Niu, Jun Li, Susant Kumar Das, Yan Xiong, Chao-bing Yang and Tao Peng

Combination of IVIM-DWI and 3D-ASL for differentiating true progression from pseudoprogression of Glioblastoma multiforme after concurrent chemoradiotherapy: study protocol of a prospective diagnostic trial

Standard therapy for Glioblastoma multiforme (GBM) involves maximal safe tumor resection followed with radiotherapy and concurrent adjuvant temozolomide. About 20 to 30% patients undergoing their first post-ra...

Authors: Zhi-Cheng Liu, Lin-Feng Yan, Yu-Chuan Hu, Ying-Zhi Sun, Qiang Tian, Hai-Yan Nan, Ying Yu, Qian Sun, Wen Wang and Guang-Bin Cui

T2 relaxation time for intervertebral disc degeneration in patients with upper back pain: initial results on the clinical use of 3.0 Tesla MRI

Magnetic resonance imaging (MRI) is a useful non-invasive tool for evaluating abnormalities of intervertebral discs. However, there are few studies which applied functional MRI techniques to investigate degene...

Authors: Raoying Xie, linhui Ruan, Lei chen, Kai Zhou, Jiandong Yuan, Wei Ji, Guangjian Jing, Xiaojing Huang, Qinglei Shi and Chun Chen

Characteristics of incidentally found thyroid nodules in computed tomography: comparison with thyroid scintigraphy

In our daily experience, the differentiation between a cold and hot nodule is a very important factor for further clinical management of the patient.

Authors: Shahin Zandieh, Dina Muin, Reinhard Bernt, Karl Hittmair, Joerg Haller and Klaus Hergan

Computed tomography and magnetic resonance imaging of a plexiform angiomyxoid myofibroblastic tumor: a case report

Plexiform angiomyxoid myofibroblastic tumor (PAMT) is a very rare mesenchymal tumor of the stomach. Here we report a case of pathologically confirmed PAMT with an unique cyst formation.

Authors: Hiroyuki Akai, Shigeru Kiryu, Masaru Shinozaki, Yasunori Ohta, Yoshiyasu Nakano, Koichiro Yasaka and Kuni Ohtomo

Multi-contrast brain magnetic resonance image super-resolution using the local weight similarity

Low-resolution images may be acquired in magnetic resonance imaging (MRI) due to limited data acquisition time or other physical constraints, and their resolutions can be improved with super-resolution methods...

Authors: Hong Zheng, Xiaobo Qu, Zhengjian Bai, Yunsong Liu, Di Guo, Jiyang Dong, Xi Peng and Zhong Chen

CT characteristics of non-small cell lung cancer with epidermal growth factor receptor mutation: a systematic review and meta-analysis

To systematically investigate the relationship between CT morphological features and the presence of epidermal growth factor receptor (EGFR) mutations in non-small cell lung cancer (NSCLC).

Authors: Zenghui Cheng, Fei Shan, Yuesong Yang, Yuxin Shi and Zhiyong Zhang

Newly recognized cerebral infarctions on postmortem imaging: a report of three cases with systemic infectious disease

Postmortem imaging (PMI) refers to the imaging of cadavers by computed tomography (CT) and/or magnetic resonance imaging (MRI). Three cases of cerebral infarctions that were not found during life but were newl...

Authors: Sakon Noriki, Kazuyuki Kinoshita, Kunihiro Inai, Toyohiko Sakai, Hirohiko Kimura, Takahiro Yamauchi, Masayuki Iwano and Hironobu Naiki

A case report in cardiovascular magnetic resonance: the contrast agent matters in amyloid

Cardiac amyloidosis is a progressive but underdiagnosed and underappreciated cause of heart failure. In the last few years, cardiovascular magnetic resonance (CMR) has become the gold standard for non invasive...

Authors: Marianna Fontana, Thomas A. Treibel, Ana Martinez-Naharro, Stefania Rosmini, Raymond Y. Kwong, Julian D. Gillmore, Philip N. Hawkins and James C. Moon

Dimensionality reduction-based fusion approaches for imaging and non-imaging biomedical data: concepts, workflow, and use-cases

With a wide array of multi-modal, multi-protocol, and multi-scale biomedical data being routinely acquired for disease characterization, there is a pressing need for quantitative tools to combine these varied ...

Authors: Satish E. Viswanath, Pallavi Tiwari, George Lee and Anant Madabhushi

FDG PET using SUV_max for preoperative T-staging of esophageal squamous cell carcinoma with and without neoadjuvant chemoradiotherapy

Accurate T-staging is pivotal for predicting prognosis and selecting appropriate therapies for esophageal squamous cell carcinoma (ESCC). The diagnostic performance of fluorodeoxyglucose (FDG) positron emissio...

Authors: Yung-Cheng Huang, Hung-I Lu, Shun-Chen Huang, Chien-Chin Hsu, Nan-Tsing Chiu, Yu-Ming Wang, Yi-Chun Chiu and Shau-Hsuan Li

Skeleton-based cerebrovascular quantitative analysis

Cerebrovascular disease is the most common cause of death worldwide, with millions of deaths annually. Interest is increasing toward understanding the geometric factors that influence cerebrovascular diseases,...

Authors: Xingce Wang, Enhui Liu, Zhongke Wu, Feifei Zhai, Yi-Cheng Zhu, Wuyang Shui and Mingquan Zhou

Intra- and inter-observer reliability of a new standardized diagnostic method using SPECT/CT in patients with osteochondral lesions of the ankle joint

Single Photon Emission Computed Tomography-Computed Tomography (SPECT/CT) gains an important part of diagnostics in patients with osteochondral lesions (OCL). SPECT/CT is a hybrid imaging modality, which combi...

Authors: Geneviève Hassink, Enrique A. Testa, André Leumann, Thomas Hügle, Helmut Rasch and Michael T. Hirschmann

The 5th International Conference on Biomedical Engineering and Biotechnology (ICBEB 2016)

Authors: Shaoqing Wang, Xiancun Yang, Meixia Su, Qiang Liu, Tao Gong, Qi Mao, Shuguang Zhao, Fang Han, Keming Mao, Yixian Liu, Yanchun Zhu, Shuo Li, Jie Yang, Nan Fu, Shaode Yu, Rongmao Li…

Prevalence and location of the secondary mesiobuccal canal in 1,100 maxillary molars using cone beam computed tomography

Several articles have used cone beam computed tomography (CBCT) to study the morphology of the maxillary molars and to ascertain its ability to visualize the second mesiobuccal canal (MB2); however, its geomet...

Authors: Pablo Betancourt, Pablo Navarro, Gonzalo Muñoz and Ramón Fuentes

Chemical shift MR imaging in the lumbar vertebra: the effect of field strength, scanner vendors and flip angles in repeatability of signal intensity index measurement

To evaluate the reproducibility of signal intensity index (SII) measurements with MRI systems from different vendors and with different field strengths, and to test the effectiveness of flip angle.

Authors: Zebin Xiao, Jian Li, Chengqi Li, Yuyang Zhang, Dejun She and Dairong Cao

Comparison of coronary arterial lumen dimensions on angiography and plaque characteristics on optical coherence tomography images and their changes induced by statin

Coronary angiography (CAG) is widely used to assess lumen dimensions, and optical coherence tomography (OCT) is used to evaluate the characteristics of atherosclerotic plaque. This study was aimed to compare c...

Authors: Nana Dong, Zulong Xie, Wei Wang, Jiannan Dai, Meng Sun, Zhongyue Pu, Jinwei Tian and Bo Yu

Qualitative analysis of small (≤2 cm) regenerative nodules, dysplastic nodules and well-differentiated HCCs with gadoxetic acid MRI

The characterization of small lesions in cirrhotic patients is extremely difficult due to the overlap of imaging features among different entities in the step-way of the hepatocarcinogenesis. The aim of our st...

Authors: Michele Di Martino, Michele Anzidei, Fulvio Zaccagna, Luca Saba, Sandro Bosco, Massimo Rossi, Stefano Ginanni Corradini and Carlo Catalano

Variation in type and frequency of diagnostic imaging during trauma care across multiple time points by patient insurance type

Research has shown that uninsured patients receive fewer radiographic studies during trauma care, but less is known as to whether differences in care are present among other insurance groups or across differen...

Authors: Nathaniel Bell, Laura Repáraz, William R. Fry, R. Stephen Smith and Alejandro Luis