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Abdominal Radiology

Davide Ippolito, Anna Pecorelli, Simone Famularo, Davide Bernasconi, Eleonora Benedetta Orsini, Alessandro Giani, Fabrizio Romano, Cammillo Talei Franzesi, Sandro Sironi
AIM: To assess the efficacy of signal intensity in interstitial and hepatobiliary phase normalized for liver volume, on gadolinium-ethoxybenzyl-diethylenetriaminepentaacetic acid (Gd-EOB-DTPA)-enhanced magnetic resonance imaging (MRI) study, for the evaluation of liver function through the comparison with Child-Pugh (CP), model for end-stage liver disease (MELD), and biochemical tests. METHODS: All dynamic Gd-EOB-DTPA MRI studies performed in patients with suspected liver lesions were retrospectively reviewed...
November 8, 2018: Abdominal Radiology
Ji Hye Min, Kyung Mi Jang, Dong Ik Cha, Tae Wook Kang, Seong Hyun Kim, Seo-Youn Choi, Kwangseon Min
PURPOSE: To assess the differences in early imaging features and progression pattern on CT between intrahepatic biliary metastasis (IBM) and non-mass-forming cholangiocarcinoma (NMFC) in patients with extrabiliary malignancy. METHODS: This retrospective study included 35 patients who were surgically and pathologically confirmed with IBM (n = 14) or NMFC (n = 21) at the time of or after surgery for extrabiliary malignancy. Two observers evaluated the following aspects of biliary lesions on initial or follow-up CT images: location, characteristics of intrahepatic duct (IHD) dilatation, presence of duct wall thickening, and periductal infiltration lesion or periductal expansile mass...
November 7, 2018: Abdominal Radiology
Philip K Wong, Deborah A Baumgarten
No abstract text is available yet for this article.
November 7, 2018: Abdominal Radiology
Vinit Baliyan, Hamed Kordbacheh, Amir H Davarpanah, Amirhossein Mozafarry, Dushyant V Sahani, Avinash Kambadakone
PURPOSE: To study the occurrence of orthopedic metallic hardware in routine abdomen/pelvic computed tomography (CT) scans and their impact on image quality (IQ) and diagnostic evaluation. MATERIAL AND METHODS: In this retrospective single institution study, we analyzed 3500 consecutive abdomen/pelvis CT scans for occurrence of orthopedic metallic hardware. In the cohort of patients with metallic hardware detected on CT scans, subjective and objective IQ analysis was performed to estimate diagnostic acceptability (DA, 4-point scale), subjective noise (SN, 3-point scale), presence of artifacts (PA, 4-point scale) and objective noise...
November 1, 2018: Abdominal Radiology
Athina C Tsili, Nikolaos Sofikitis, Efrosyni Stiliara, Maria I Argyropoulou
Although testicular carcinoma represents approximately only 1% of solid neoplasms in men, it is the most common malignancy between young men. The two main histologic categories are testicular germ cell tumors (TGCTs), including seminomas and nonseminomas, accounting for 90-95% of testicular neoplasms and sex cord-stromal tumors. Scrotal MRI, including a multiparametric protocol, has been proposed as a valuable supplemental imaging technique in the investigation of testicular pathology. Recently, the Scrotal and Penile Imaging Working Group appointed by the board of the European Society of Urogenital Radiology has produced recommendations on when to perform scrotal MRI...
November 1, 2018: Abdominal Radiology
B Brac, C Sabbagh, B Robert, C Chivot, T Yzet, J M Regimbeau
INTRODUCTION: Colorectal surgery is complicated by postoperative collections in up to 25% of cases depending on local conditions. The aim of this study was to identify predictive factors of success of percutaneous drainage of collections in order to avoid follow-up imaging. PATIENTS AND METHODS: All consecutive patients between January 2009 and December 2016, who had undergone elective or emergency colorectal surgery (colorectal surgery and appendectomy) complicated by a postoperative collection treated by percutaneous drainage with follow-up imaging prior to drain removal, were included in this single-center and retrospective study...
October 31, 2018: Abdominal Radiology
Hye Jin Kim, Mi-Suk Park, Jin Woo Son, Kyunghwa Han, Jei Hee Lee, Jai Keun Kim, Hyo Chae Paik
PURPOSE: The purpose of this study was to investigate the radiological patterns of secondary sclerosing cholangitis (SSC) following lung transplantation. METHODS: Fifty-five patients underwent abdominopelvic CT before and after lung transplantation for end stage pulmonary disease. Nine patients underwent MR cholangiopancreatography (MRCP). The radiological patterns of biliary abnormalities (location, bile duct dilatation with stricture, beaded appearance, and biliary casts/sludge), laboratory data (serum total bilirubin and alkaline phosphatase), and patient survival rates were evaluated...
October 30, 2018: Abdominal Radiology
Giuseppe Mamone, Roberto Miraglia
No abstract text is available yet for this article.
October 26, 2018: Abdominal Radiology
Priya Pathak, Raymond B Dyer, Rafel Tappouni
No abstract text is available yet for this article.
October 26, 2018: Abdominal Radiology
James Tudor, Todd R Williams, Daniel T Myers, Beena Umar
Endosalpingiosis rarely affects the appendix but can be mistaken for acute appendicitis or appendiceal tumors. The medical literature regarding appendiceal endosalpingiosis is sparse; consisting of only four case reports which are primarily focused on the histopathology but provide little radiologic correlation. Endosalpingiosis is a rare condition characterized by the presence of benign fallopian tubal-like glandular epithelium derived from Mullerian ducts, usually affecting the serosal surfaces of the pelvis and peritoneum...
October 26, 2018: Abdominal Radiology
Mehdi Taghipour, Alireza Ziaei, Francesco Alessandrino, Elmira Hassanzadeh, Mukesh Harisinghani, Mark Vangel, Clare M Tempany, Fiona M Fennessy
PURPOSE: PI-RADS v2 dictates that dynamic contrast-enhanced (DCE) imaging be used to further classify peripheral zone (PZ) cases that receive a diffusion-weighted imaging equivocal score of three (DWI3), a positive DCE resulting in an increase in overall assessment score to a four, indicative of clinically significant prostate cancer (csPCa). However, the accuracy of DCE in predicting csPCa in DWI3 PZ cases is unknown. This study sought to determine the frequency with which DCE changes the PI-RADS v2 DWI3 assessment category, and to determine the overall accuracy of DCE-MRI in equivocal PZ DWI3 lesions...
October 25, 2018: Abdominal Radiology
Rajeev Nayan Priyadarshi, Vijay Prakash, Utpal Anand, Prem Kumar, Ashish Kumar Jha, Ramesh Kumar
OBJECTIVE: To determine the efficacy and safety ultrasound-guided percutaneous catheter drainage (US-PCD) in management of various types of ruptured amebic liver abscess including free rupture (FR) with diffuse intraperitoneal fluid collections (DIFC). METHODS: This study analyzed 117 patients with ruptured ALA who underwent US-PCD. The indication for US-PCD was failure to respond to conservative treatment and/or percutaneous needle aspiration. RESULTS: Majority of patients were locally fermented alcohol abusers (95%), and malnourished (75%)...
October 25, 2018: Abdominal Radiology
Ali Devrim Karaosmanoglu, Mehmet Ruhi Onur, Mehmet Coskun Salman, Alp Usubutun, Musturay Karcaaltincaba, Mustafa Nasuh Ozmen, Deniz Akata
Metastatic involvement of the ovaries is not rare. The most common tumor types metastasizing to the ovaries, from non-gynecological organs, are breast, colorectal, gastric, and appendix tumors. Lymphogenous, hematogenous, and transcoelomic pathways have all been proposed among potential pathways. Early diagnosis and treatment have an important potential to improve the patient outcome. Krukenberg tumors typically appear as complex semisolid masses with varying amounts of solid and cystic components. Ovarian metastases from the colon primaries are predominantly cystic in nature...
October 25, 2018: Abdominal Radiology
Roberta Fusco, Mario Sansone, Vincenza Granata, Robert Grimm, Ugo Pace, Paolo Delrio, Fabiana Tatangelo, Gerardo Botti, Antonio Avallone, Biagio Pecori, Antonella Petrillo
PURPOSE: To assess preoperative short-course radiotherapy (SCR) tumor response in locally advanced rectal cancer (LARC) by means of Standardized Index of Shape (SIS) by dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI), apparent diffusion coefficient (ADC), intravoxel incoherent motion (IVIM) and diffusion kurtosis imaging (DKI) parameters derived from diffusion-weighted MRI (DW-MRI). MATERIALS AND METHODS: Thirty-four patients with LARC who underwent MRI scans before and after SCR followed by delayed surgery, retrospectively, were enrolled...
October 25, 2018: Abdominal Radiology
Venkatraman Indiran, Jagannathan Kokilavani
No abstract text is available yet for this article.
October 19, 2018: Abdominal Radiology
Matthias Barral, Philippe Soyer
The original version of this article contained an error in the corresponding author's first name. The author name should read as ``Matthias Barral" instead of ``Mathias Barral''.
October 17, 2018: Abdominal Radiology
Nobuyuki Takeyama, Naruki Mizobuchi, Masashi Sakaki, Yu Shimozuma, Jiro Munechika, Atsushi Kajiwara, Manabu Uchikoshi, Syojiro Uozumi, Yoshimitsu Ohgiya, Takehiko Gokan
PURPOSE: To retrospectively evaluate the utility of fusion images of pre- and post-ablation hepatobiliary phase (HBP) series to assess the ablation margins after radiofrequency ablation (RFA) of hepatocellular carcinomas (HCCs). Additionally, to identify factors indicative of an adequate ablation margin and predictors of local tumor progression (LTP). METHODS: Fifty-nine HCCs in 29 patients were treated by RFA and followed-up for > 1 year (mean 37.9 months)...
October 16, 2018: Abdominal Radiology
Rory L O'Donohoe, Ruth M Dunne, Vera Kimbrell, Clare M Tempany
PURPOSE: To evaluate T2w and DWI image quality using a wearable pelvic coil (WPC) compared with an endorectal coil (ERC). METHODS: Twenty men consecutively presenting to our prostate cancer MRI clinic were prospectively consented to be scanned using a wearable pelvic coil then an endorectal coil and pelvic phased array coil at 3T. Eighteen patients were suitable for inclusion. Axial T2w images were obtained using the WPC and ERC, and DWI images were obtained using the WPC, ERC, and PPA...
October 15, 2018: Abdominal Radiology
Yu Liu, Min Liu, Xiaona Liu, Yan Zhou
OBJECTIVE: To evaluate the feasibility of using PET/CT and diffusion-weighted magnetic resonance imaging (DW-MRI) to monitor the early response of pancreatic ductal adenocarcinoma (PDAC) xenografts to brachytherapy, and to determine whether maximum standardized uptake value (SUVmax) correlate with apparent diffusion coefficient (ADC). MATERIALS AND METHODS: SW1990 human PDAC were subcutaneously implanted in 20 nude mice. They were randomly divided into 125-Iodine (125 I) seeds and blank seeds group...
October 12, 2018: Abdominal Radiology
T Kirchner, S Marquardt, T Werncke, M M Kirstein, T Brunkhorst, F Wacker, A Vogel, Thomas Rodt
PURPOSE: The purpose of this study was to compare quality of life (QoL) after two different transarterial therapies [transarterial chemoembolization (TACE) and transarterial radioembolization (TARE)] for patients with unresectable hepatocellular carcinoma (HCC) to assess tumor therapy in palliative situation additional to traditional aims like survival or image response. MATERIAL AND METHODS: QoL was evaluated with two validated questionnaires (EORTC QLQ-30 and EORTC HCC18) before and 14d after treatment in 94 initial therapies (TACE n = 67; TARE n = 27)...
October 11, 2018: Abdominal Radiology
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