Heterotopic bone formation after hip surgery: prevention with single-dose postoperative hip irradiation.

abstract：:Purpose The Radiological Society of North America (RSNA) Pediatric Bone Age Machine Learning Challenge was created to show an application of machine learning (ML) and artificial intelligence (AI) in medical imaging, promote collaboration to catalyze AI model creation, and identify innovators in medical imaging. Materi...

journal_title：Radiology

authors： Halabi SS,Prevedello LM,Kalpathy-Cramer J,Mamonov AB,Bilbily A,Cicero M,Pan I,Pereira LA,Sousa RT,Abdala N,Kitamura FC,Thodberg HH,Chen L,Shih G,Andriole K,Kohli MD,Erickson BJ,Flanders AE

更新日期：2019-02-01 00:00:00

abstract：PURPOSE:To retrospectively compare the sensitivity of a computer-aided detection (CAD) system for depicting breast cancer in three digital mammographic views. MATERIALS AND METHODS:This study was conducted with institutional review board approval; informed consent was waived. A commercially available CAD system was ap...

journal_title：Radiology

authors： Kim SJ,Moon WK,Cho N,Cha JH,Kim SM,Im JG

更新日期：2006-12-01 00:00:00

abstract：PURPOSE:To detect regional metabolic differences in amyotrophic lateral sclerosis (ALS) with whole-brain echo-planar spectroscopic imaging. MATERIALS AND METHODS:Sixteen patients with ALS (nine men, seven women; mean age, 56.6 years), five persons suspected of having ALS (four men, one woman; mean age, 62.6 years), an...

journal_title：Radiology

authors： Verma G,Woo JH,Chawla S,Wang S,Sheriff S,Elman LB,McCluskey LF,Grossman M,Melhem ER,Maudsley AA,Poptani H

更新日期：2013-06-01 00:00:00

abstract：:Cardiac arrest of 2-15 minutes was induced in 14 dogs. When circulatory arrest lasted longer than 5 minutes, abnormal cerebral angiographic findings were seen 3-4 hours after resuscitation, consisting of (a) marked prolongation of the arterial phase in both intracranial and extracranial arteries, and (b) faint (poor) ...

journal_title：Radiology

authors： Lin SR

更新日期：1975-12-01 00:00:00

abstract：:The ultrasonic appearance of the normal and abnormal fetal spine before 20 weeks' gestation was reviewed in 121 pregnances. A model was constructed to establish the mechanism of production in the various configurations seen. The relative roles of ultrasonography, alpha fetoprotein assay, and fetoscopy in the diagnosis...

journal_title：Radiology

authors： Miskin M,Baim RS,Allen LC,Benzie RJ

更新日期：1979-07-01 00:00:00

abstract：:The radiation dose and the anatomic detail of computed tomography (CT) and conventional tomography were studied in 18 patients with suspected acoustic neuroma, cholesteatoma, malignant tumor, and temporal bone fracture. It is concluded that CT is the technique of choice in patients suspected of having acoustic neuroma...

journal_title：Radiology

authors： Shaffer KA,Haughton VM,Wilson CR

更新日期：1980-02-01 00:00:00

abstract：PURPOSE:To present prevalence screening data from a nonrandomized screening trial by using low-dose computed tomography (CT) and a simple algorithm based on the size and attenuation of detected nodules to guide diagnostic work-up. MATERIALS AND METHODS:Eight hundred seventeen asymptomatic volunteers (age range, 40-78 ...

journal_title：Radiology

authors： Diederich S,Wormanns D,Semik M,Thomas M,Lenzen H,Roos N,Heindel W

更新日期：2002-03-01 00:00:00

abstract：:Fine needle, percutaneous aspiration of suspect lymph nodes was carried out in 29 patients during fluoroscopy. The correct positioning of the needle was assured if the node moved with the tip of the needle. In 29 patients, there were 65 successful aspirations and 29 failures. Anesthesia is recommended but care should ...

journal_title：Radiology

authors： Göthlin JH

更新日期：1976-07-01 00:00:00

abstract：:A lateral view of the knee in 90 degree flexion can reveal popliteal cysts which do not show on routine arthrography. Flexion causes transfer of intra-articular fluid to the posterior portion of the joint space, lowering pressure within the cyst and allowing it to fill with contrast media. ...

journal_title：Radiology

authors： Clark JM

更新日期：1975-05-01 00:00:00

abstract：PURPOSE:To determine the incremental benefit of combined endorectal magnetic resonance (MR) imaging and MR spectroscopic imaging, as compared with endorectal MR imaging alone, for sextant localization of peripheral zone (PZ) prostate cancer. MATERIALS AND METHODS:This prospective multicenter study, conducted by the Am...

journal_title：Radiology

authors： Weinreb JC,Blume JD,Coakley FV,Wheeler TM,Cormack JB,Sotto CK,Cho H,Kawashima A,Tempany-Afdhal CM,Macura KJ,Rosen M,Gerst SR,Kurhanewicz J

更新日期：2009-04-01 00:00:00

abstract：:A phase-contrast cine magnetic resonance (MR) imaging technique was used to study normal dynamics of cerebrospinal fluid (CSF) in 10 healthy volunteers and four patients with normal MR images. This pulse sequence yielded 16 quantitative flow-encoded images per cardiac cycle (peripheral gating). Flow encoding depicted ...

journal_title：Radiology

authors： Enzmann DR,Pelc NJ

更新日期：1991-02-01 00:00:00

abstract：:Twenty consecutive patients with known liver malignancies underwent ultrasonography (US) in conventional B mode and in pulse-inversion mode in the late hepatic-specific parenchymal phase after intravenous administration of SH U 508A, a microbubble US contrast agent. Two experienced readers assessed subjective and obje...

journal_title：Radiology

authors： Harvey CJ,Blomley MJ,Eckersley RJ,Cosgrove DO,Patel N,Heckemann RA,Butler-Barnes J

更新日期：2000-09-01 00:00:00

abstract：:Computed tomographic (CT) scans and magnetic resonance (MR) images obtained in 24 patients with cervical lymphadenopathy were retrospectively and blindly evaluated by two readers for the presence of central nodal necrosis (CNN) and extracapsular nodal spread (ENS). The CT studies were all enhanced, and the MR images w...

journal_title：Radiology

authors： Yousem DM,Som PM,Hackney DB,Schwaibold F,Hendrix RA

更新日期：1992-03-01 00:00:00

abstract：PURPOSE:To evaluate the relative benefits and cost-effectiveness of treating iliac arterial occlusive disease with various interventions. MATERIALS AND METHODS:Cost-effectiveness was analyzed in a hypothetical cohort of patients with intermittent claudication caused by an iliac arterial stenosis. Primary stent placeme...

journal_title：Radiology

authors： Bosch JL,Tetteroo E,Mali WP,Hunink MG

更新日期：1998-09-01 00:00:00

abstract：:Ultrasound may replace urography in screening pediatric patients with uncomplicated urinary tract infections but without vesicoureteral reflux. A child undergoing a first radiographic evaluation for urinary tract infection is initially examined by voiding cystourethrography. If reflux is present, urography is performe...

journal_title：Radiology

authors： Mason WG Jr

更新日期：1984-10-01 00:00:00

abstract：:We describe a patient who had cryptosporidiosis and cytomegalovirus infection of the gastric antrum that was initially detected on computed tomography (CT) scans. CT may be useful in the evaluation of immunocompromised patients with diarrheal illness, as well as in the assessment of the gastrointestinal tract. ...

journal_title：Radiology

authors： Soulen MC,Fishman EK,Scatarige JC,Hutchins D,Zerhouni EA

更新日期：1986-06-01 00:00:00

abstract：:Normal pancreatic ultrasound studies of 28 patients were evaluated as to pancreatic echogenicity and correlated with the morphologic appearance of the pancreas on CT to test the hypothesis that increasing pancreatic echogenicity is related to greater fat infiltration. Statistical analysis indicates that fat is a major...

journal_title：Radiology

authors： Marks WM,Filly RA,Callen PW

更新日期：1980-11-01 00:00:00

abstract：:Three cases of talocalcaneal coalition were evaluated with routine radiography, conventional tomography, 99mTc-MDP bone scintigraphy, and computed tomography (CT). Routine radiography was normal in 1 case and demonstrated secondary findings suggesting coalition in 2. Conventional tomography confirmed the coalition in ...

journal_title：Radiology

authors： Deutsch AL,Resnick D,Campbell G

更新日期：1982-07-01 00:00:00

abstract：:High-resolution computed tomography of the temporomandibular joint (TMJ) was performed in 43 patients. Exquisite detail of the face, skull base, and TMJs was obtained with CT using soft tissue and bone algorithms, narrow collimation, and multiplanar images. In 10 patients clinically suspected of joint derangement, CT ...

journal_title：Radiology

authors： Thompson JR,Christiansen E,Hasso AN,Hinshaw DB Jr

更新日期：1984-01-01 00:00:00

abstract：:Midline activity low in the pelvis seen on Ga-67 scans is frequently attributed to colonic excretion of radionuclide. We have seen two cases of infectious prostatitis with focal uptake of Ga-67 within the prostate gland. We describe a technique of using limited quantities of barium administered by enema and appropriat...

journal_title：Radiology

authors： Sullivan WT,Rosen PR,Weiland FL,Ritchey ML

更新日期：1984-08-01 00:00:00

abstract：:The authors report the first clinical experience in the United States with the highly water soluble, nonionic dimer (6:1 ratio) contrast medium iodixanol (5,5'-[(2-hydroxyl-1,3-propanediyl)bis(acetylimino)]bis[N,N' - bis(2,3dihydroxypropyl)-2,4,6-triodo1,3-benzenedicarbooxa mide]). Iodixanol has an osmolality less tha...

journal_title：Radiology

authors： Gavant ML,Siegle RL

更新日期：1992-05-01 00:00:00

abstract：:Computed tomographic (CT) colonography is a new-generation technique for detecting colorectal neoplasms by using volumetric CT data combined with specialized imaging software. Patient examinations require full colonic preparation, insufflation, and data acquisition with the patient in the supine and prone positions. C...

journal_title：Radiology

authors： Johnson CD,Dachman AH

更新日期：2000-08-01 00:00:00

abstract：:Agent Orange exposure and its long-term health consequences on Vietnam veterans have been widely discussed in the past few years. Myriad physical and mental disabilities have been studied with regard to exposure to various herbicides. The number of persons potentially exposed is large, since 2.4-2.8 million U.S. milit...

journal_title：Radiology

authors： Pollei S,Mettler FA Jr,Kelsey CA,Walters MR,White RE

更新日期：1986-10-01 00:00:00

abstract：:The vlue of epinephrine enhanced angiography in the preoperative distinction of isolated hamartoma (angiomyolipoma without stigma of tuberous sclerosis) from hypernephroma has been largely discounted in the past. The authors performed this procedure in 6 patients (4 with isolated hamartoma and 2 with tuberous sclerosi...

journal_title：Radiology

authors： Jander HP,Tonkin IL

更新日期：1979-07-01 00:00:00

abstract：:Purpose To identify risk factors for hippocampal calcifications and to investigate the association between hippocampal calcifications and cognitive function. Materials and Methods For this retrospective study, consecutive patients visiting a memory clinic at a Dutch general hospital between April 2009 and April 2015 w...

journal_title：Radiology

authors： de Brouwer EJM,Kockelkoren R,Claus JJ,de Jonghe A,Geerlings MI,Jongsma TEF,Mali WPTM,Hendrikse J,de Jong PA,Koek HL

更新日期：2018-09-01 00:00:00

abstract：:From a clinical-radiologic standpoint, there are a limited number of structures and disease entities in the temporal bone with which one must be familiar in order to proficiently interpret a computed tomographic or magnetic resonance imaging study of the temporal bone. It is helpful to examine the region in an organiz...

journal_title：Radiology

authors： Juliano AF,Ginat DT,Moonis G

更新日期：2013-10-01 00:00:00

abstract：:Single oblique-view mammography has been recommended for screening purposes. The authors present data indicating that using the oblique view only can allow 11% of cancers to remain undetected. The smallest and potentially curable cancers are most likely to be overlooked in this way; any possible benefit of screening i...

journal_title：Radiology

authors： Muir BB,Kirkpatrick AE,Roberts MM,Duffy SW

更新日期：1984-04-01 00:00:00

abstract：PURPOSE:To assess emergency ultrasonography (US) for detection of bowel and mesenteric injury from blunt trauma. MATERIALS AND METHODS:For 3 years, prospective data on all patients undergoing emergency US were recorded. Patients with bowel and mesenteric injury were identified, and physical examination, laboratory, co...

journal_title：Radiology

authors： Richards JR,McGahan JP,Simpson JL,Tabar P

更新日期：1999-05-01 00:00:00

abstract：:Arthrography is considered extremely safe since reactions to intraarticular contrast media are rare. We have only seen one severe complication in the performance of more than 2,000 arthrographic procedures. To determine the incidence of complications, a questionnaire was sent to 84 radiologists experienced in arthrogr...

journal_title：Radiology

authors： Newberg AH,Munn CS,Robbins AH

更新日期：1985-06-01 00:00:00

abstract：:The authors reviewed 100 randomized controlled trials (RCTs) conducted in humans to compare safety or efficacy of new low-osmolality contrast media (LOM) with that of high-osmolality contrast media (HOM). Findings of the 43 RCTs judged to be of the highest quality suggest that the efficacy of LOM in imaging is equal o...

journal_title：Radiology

authors： Kinnison ML,Powe NR,Steinberg EP

更新日期：1989-02-01 00:00:00