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| 1 | Abdominal applications of diffusion-weighted magnetic resonance imaging: Where do we stand?显示文摘Diffusion-weighted imaging (DWI) is one of the magnetic resonance imaging (MRI) sequences providing qualitative as well as quantitative information at a cellular level. It has been widely used for various applications in the central nervous system. Over the past decade, various extracranial applications of DWI have been increasingly explored, as it may detect changes even before signal alterations or morphological abnormalities become apparent on other pulse sequences. Initial results from abdominal MRI applications are promising, particularly in oncological settings and for the detection of abscesses. The purpose of this article is to describe the clinically relevant basic concepts of DWI, techniques to perform abdominal DWI, its analysis and applications in abdominal visceral MR imaging, in addition to a brief overview of whole body DWI MRI. | Ajaykumar C Morani Khaled M Elsayes Peter S Liu William J Weadock Janio Szklaruk Jonathan Russell Dillman Asra Khan Thomas L Chenevert Hero K Hussain | 2013 | World Journal of Radiology2013，5，3： | 12 |
| 2 | Multimodality imaging of ovarian cystic lesions: Review with an imaging based algorithmic approach显示文摘Ovarian cystic masses include a spectrum of benign, borderline and high grade malignant neoplasms. Imaging plays a crucial role in characterization and pretreatment planning of incidentally detected or suspected adnexal masses, as diagnosis of ovarian malignancy at an early stage is correlated with a better prognosis. Knowledge of differential diagnosis, imaging features, management trends and an algorithmic approach of such lesions is important for optimal clinical management. This article illustrates a multi-modality approach in the diagnosis of a spectrum of ovarian cystic masses and also proposes an algorithmic approach for the diagnosis of these lesions. | Ashish P Wasnik Christine O Menias Joel F Platt Usha R Lalchandani Deepak G Bedi Khaled M Elsayes | 2013 | World Journal of Radiology2013，5，3： | 7 |
| 3 | Sonohysterography: Principles, technique and role in diagnosis of endometrial pathology显示文摘Sonohysterography (SHG), which provides enhanced endometrial visualization during standard transvaginal ultrasonography, is a relatively safe procedure for the evaluation of endometrial pathology. It can be used to evaluate patients with abnormal vaginal bleeding or infertility. This modality offers real time imaging of the endometrium without exposure to ionizing radiation. SHG is typically used in patients for whom standard transvaginal ultrasonography does not show the endometrium well, show a potential abnormality for which further imaging is required, or in patients without endometrial pathology defined on routine transvaginal imaging but in whom there is a strong clinical suspicion of an abnormality. This article will discuss the utility of the sonohysterogram in evaluation of various endometrial pathologies. Imaging examples of these pathological entities will be illustrated as well. | Thomas Yang Amit Pandya Leonardo Marcal Ronald O Bude Joel F Platt Deepak G Bedi Khaled M Elsayes | 2013 | World Journal of Radiology2013，5，3： | 5 |
| 4 | Virtual colonoscopy: Utility, impact and overview显示文摘Computed tomography (CT) colonoscopy is a well-established technique for evaluation of colorectal cancer. Significant advances have been made in the technique of CT colonoscopy since its inception. Excellent results can be achieved in detecting both colorectal cancer and significant sized polyps as long as a meticulous technique is adopted while performing CT colonoscopy. Furthermore, it is important to realize that there is a learning curve involved in interpreting these studies and adequate experience is essential to achieve high sensitivity and specificity with this technique. Indications, contraindications, technique and interpretation, including potential pitfalls in CT colonoscopy imaging, are reviewed in this article. Recent advances and the current role of CT colonoscopy in colorectal cancer screening are also discussed. | Dhakshina Ganeshan Khaled M Elsayes David Vining | 2013 | World Journal of Radiology2013，5，3： | 4 |
| 5 | Cross-sectional imaging work-up of adrenal masses显示文摘Advances in medical imaging with current cross-section modalities enable non-invasive characterization of adrenal lesions. Computed tomography (CT) provides characterization with its non-contrast and wash-out features. Magnetic resonance imaging (MRI) is helpful in further characterization using chemical shift imaging (CSI) and MR spectroscopy. For differentiating between benign and malignant masses, positron emission tomography (PET) imaging is useful with its qualitative analysis, as well as its ability to detect the presence of extra-adrenal metastases in cancer patients. The workup for an indeterminate adrenal mass includes evaluation with a non-contrast CT. If a lesion is less than 10 Hounsfield Units on a non-contrast CT, it is a benign lipid-rich adenoma and no further work-up is required. For the indeterminate adrenal masses, a lipid-poor adenoma can be differentiated from a metastasis utilizing CT wash-out features. Also, MRI is beneficial with CSI and MR spectroscopy. If a mass remains indeterminate, PET imaging may be of use, in which benign lesions demonstrate low or no fluorodeoxyglucose activity. In the few cases in which adrenal lesions remain indeterminate, surgical sampling such as percutaneous biopsy can be performed. | Brinda Rao Korivi Khaled M Elsayes | 2013 | World Journal of Radiology2013，5，3： | 4 |
| 6 | Quantitative enhancement washout analysis of solid cortical renal masses using muhidetector computed tomography 显示文摘 | Shebel HM Elsayes KM Sheir KZ | 2011 | J Comput Assist Tomogr2011，35，： | 1 |
| 7 | MR imaging of the spleen:spectrum of abnormalities显示文摘 | Narra VR Mukundan G | 2005 | Radiographics2005，25，4： | 1 |
| 8 | Rertoperitoneal masses:magnetic resonance imaging findings with pathologic correlation显示文摘 | Elsayes K M Staveteig P T Narra V B | | 0，，： | 1 |
| 9 | Foeal hepatic lesions:diagnosis value of enhancement pattem approach with contrast-enhanced 3D gradient-echo MR imaging显示文摘 | Elsayes KM Narra VR Yin Y | 2005 | Radiogra Phics2005，25，： | 1 |
| 10 | Adrenal masses:MR imaging features with pathologic correlation显示文摘 | Elsayes KM Mukundan G Narra VR | 2004 | Radiographics2004，24，4： | 1 |
| 11 | Adrenal ganglioneuroma: features and outcomes of 27 cases at a referral cancer centre 显示文摘 | Shawa H Elsayes KM Javadi S | 2014 | Clin Endocrinol (Oxf)2014，80，3： | 1 |
| 12 | Adrenal masses: mr imaging features with pathologic correlation 显示文摘 | Elsayes KM Mukundan G Narra VR | 2004 | Radiographics2004，24，1： | 1 |
| 13 | Adrenal masses:MR imaging features with pathologic correlation显示文摘 | Elsayes KM Mukudan G Narra VR | 2004 | Radiographice2004，24，1： | 1 |
| 14 | Magnetic resonance ima- ging features of renal synovial sarcoma: a case report 显示文摘 | Zakhary MM Elsayes KM Platt JF | 2008 | Cancer Imaging2008，25，8： | 1 |
| 15 | CT enterogra- phy : principles, trends, and interpretation of findings显示文摘 | Elsayes K M AI Hawary M M Jagdish J | 2010 | Radio- graphics2010，30，19： | 1 |
| 16 | Adrenal Masses:MR imaging features with pathologic correlation显示文摘 | Elsayes KM Mukundan G Narra VR | 2004 | Radiographics2004，24，： | 1 |
| 17 | Adrenal mass:MR imaging features with pathologic correlation显示文摘 | Elsayes KM Mukundan G Narra VR | 2004 | Radiographics2004，24，： | 1 |
| 18 | Ovarian malignant germ cell tumors: cellular Classification and clinical and imaging features 显示文摘 | Shaaban AM Rezvani M Elsayes KM | 2014 | Radiographics2014，34，： | 1 |
| 19 | Adrenal masses:MR imaging features with pathologic correlation显示文摘 | Elsayes K M Mukundan G Narra V R | 2004 | Radiographic2004，241，： | 1 |
| 20 | Retroperitoneal masses:magnetic resonance imaging findings with pathologic correlation显示文摘 | Elsayes KM Staveteig PT Narra VR | | 0，，03： | 1 |
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