Pitfalls in the radiographic diagnosis of angiofibroma.

abstract：PURPOSE:To investigate at which age testicular blood flow can be demonstrated consistently by color Doppler sonography and power Doppler sonography. MATERIALS AND METHODS:In this prospective study, 172 normal testes of 86 boys (age range, 4 days to 15 years) were examined with gray-scale ultrasound, color Doppler sono...

journal_title：Radiology

authors： Bader TR,Kammerhuber F,Herneth AM

更新日期：1997-02-01 00:00:00

abstract：:A consensus does not exist as to the optimal contrast agent for hysterosalpingography. This study was undertaken to evaluate the early and delayed inflammatory responses of the peritoneal surfaces to various types of iodinated contrast media. Guinea pigs received intraperitoneal injections of lactated Ringer solution,...

journal_title：Radiology

authors： Eisenberg AD,Winfield AC,Page DL,Holburn GE,Schifter T,Segars JH

更新日期：1989-07-01 00:00:00

abstract：:The diagnostic potential of volume-selective proton magnetic resonance (MR) spectroscopy in vivo was evaluated in 20 children and young adults with various neurodegenerative brain disorders. All patients were examined with MR spectroscopy in conjunction with MR imaging of the brain on a whole-body imager at 1.5 T. Com...

journal_title：Radiology

authors： Grodd W,Krägeloh-Mann I,Klose U,Sauter R

更新日期：1991-10-01 00:00:00

abstract：:Purpose To determine if a reduced-dose computed tomography (CT) protocol could effectively help to identify patients in the emergency department (ED) with moderate to high likelihood of calculi who would require urologic intervention within 90 days. Materials and Methods The study was approved by the institutional rev...

journal_title：Radiology

authors： Moore CL,Daniels B,Singh D,Luty S,Gunabushanam G,Ghita M,Molinaro A,Gross CP

更新日期：2016-09-01 00:00:00

abstract：:This report is to complement the original Fleischner Society recommendations for incidentally detected solid nodules by proposing a set of recommendations specifically aimed at subsolid nodules. The development of a standardized approach to the interpretation and management of subsolid nodules remains critically impor...

journal_title：Radiology

authors： Naidich DP,Bankier AA,MacMahon H,Schaefer-Prokop CM,Pistolesi M,Goo JM,Macchiarini P,Crapo JD,Herold CJ,Austin JH,Travis WD

更新日期：2013-01-01 00:00:00

abstract：:The relationship of the brain angiographic mode circulation time (AVCT) to the mean transit time of the vascular indicator C15O-labeled hemoglobin (tc15o) and the regional cerebral blood flow (rCBF) as measured by the clearance of the diffusible tracer H2-15O was examined in 38 patients with selected cerebral diseases...

journal_title：Radiology

authors： Gado M,Eichling J,Grubb R,Phelps M,Raichie M,Ter-Pogossian MM

更新日期：1975-04-01 00:00:00

abstract：:Spiral volumetric computed tomography (CT) with single breath-hold technique was compared with conventional sequential CT in 39 patients. The spiral CT protocol consisted of a 10 mm/sec table feed during a 24-second breath hold at 145 mA, with reconstruction of images at 10-mm intervals; one (n = 21) or two (n = 18) s...

journal_title：Radiology

authors： Remy-Jardin M,Remy J,Giraud F,Marquette CH

更新日期：1993-05-01 00:00:00

abstract：:Doppler sonography and magnetic resonance (MR) angiography were prospectively used in combination as a substitute for conventional angiography in 24 consecutive patients likely to undergo carotid endarterectomy. Of 19 patients (20 lesions) who underwent carotid endarterectomy, 18 had not undergone preoperative angiogr...

journal_title：Radiology

authors： Polak JF,Kalina P,Donaldson MC,O'Leary DH,Whittemore AD,Mannick JA

更新日期：1993-02-01 00:00:00

abstract：:Twenty-seven patients presented with painful acute scrotal swelling. After a clinical impression was established, all patients underwent diagnostic imaging with color Doppler ultrasound (US). Seven patients underwent surgical exploration for testicular torsion diagnosed with color Doppler US (100% operative confirmati...

journal_title：Radiology

authors： Lerner RM,Mevorach RA,Hulbert WC,Rabinowitz R

更新日期：1990-08-01 00:00:00

abstract：PURPOSE:To investigate the incidence and characteristics of cerebellar injury in a cohort of very preterm infants by using the mastoid fontanelle (MF) and posterior fontanelle (PF) approach in addition to routine cranial ultrasonography (US) through the anterior fontanelle (AF), with magnetic resonance (MR) imaging as ...

journal_title：Radiology

authors： Steggerda SJ,Leijser LM,Wiggers-de Bruïne FT,van der Grond J,Walther FJ,van Wezel-Meijler G

更新日期：2009-07-01 00:00:00

abstract：:The mediassinum is a relatively uncommon site for a pancreatic pseudocyst. Two such cases are presented, along with a review of 14 additional cases from the English literature. In most cases the pseudocyst is located in the posterior mediastinum, with entry to the mediastinum via the aortic or esophageal hiatus. The m...

journal_title：Radiology

authors： Kirchner SG,Heller RM,Smith CW

更新日期：1977-04-01 00:00:00

abstract：:Renal dynamic computed tomographic (CT) data for 16 patients with unilateral renal artery stenosis were compared with those for 12 control subjects. Three patterns of perfusion were distinguished in stenotic kidneys: pattern A, symmetric time-attenuation curves; pattern B, asymmetric time-attenuation curve with simila...

journal_title：Radiology

authors： Paul JF,Ugolini P,Sapoval M,Mousseaux E,Gaux JC

更新日期：2001-10-01 00:00:00

abstract：PURPOSE:To investigate the correlation between magnetic resonance (MR) imaging findings and pathologic subtype classification of hepatocellular adenoma (HCA). MATERIALS AND METHODS:This retrospective study was approved by the institutional review board, and the requirement for informed consent was waived. MR imaging s...

journal_title：Radiology

authors： van Aalten SM,Thomeer MG,Terkivatan T,Dwarkasing RS,Verheij J,de Man RA,Ijzermans JN

更新日期：2011-10-01 00:00:00

abstract：:The records of 22 patients in whom wall thickening of the renal collecting system was seen at ultrasound (US) were retrospectively reviewed. Wall thickening was found in 15 patients with renal transplants and seven with native kidneys. Severe thickening occurred with transplant rejection, but thickening also occurred ...

journal_title：Radiology

authors： Nicolet V,Carignan L,Dubuc G,Hébert G,Bourdon F,Paquin F

更新日期：1988-08-01 00:00:00

abstract：:Radiologic education, research, and the practice of radiology will be of the highest quality in the future if academic departments stress organ-system subspecialization while continuing to integrate and interface with technique-based specialists. Planning should begin now to effect an orderly progression to an organ-s...

journal_title：Radiology

authors： Hartman GW,McClennan BL,Pfister RC

更新日期：1986-02-01 00:00:00

abstract：:The radiologic studies of 107 patients with pulsatile tinnitus or a vascular retrotympanic mass were retrospectively reviewed. Of the 100 patients with pulsatile tinnitus, 25 had objective tinnitus. A vascular tympanic membrane was present in 37 cases (35%). Normal vascular variants were present in 23 patients (21%). ...

journal_title：Radiology

authors： Remley KB,Coit WE,Harnsberger HR,Smoker WR,Jacobs JM,McIff EB

更新日期：1990-02-01 00:00:00

abstract：PURPOSE:To determine, with arterial spin labeling (ASL) perfusion magnetic resonance (MR) imaging and physostigmine challenge, if abnormal hippocampal blood flow in ill Gulf War veterans persists 11 years after initial testing with single photon emission computed tomography and nearly 20 years after the 1991 Gulf War. ...

journal_title：Radiology

authors： Li X,Spence JS,Buhner DM,Hart J Jr,Cullum CM,Biggs MM,Hester AL,Odegard TN,Carmack PS,Briggs RW,Haley RW

更新日期：2011-10-01 00:00:00

abstract：:Spermatic venography with hot contrast material embolization was undertaken in 81 patients with varicoceles and infertility. Long-term follow-up information was available in 91% of the patients, and there was an overall conception rate of 40.5%. Embolization with hot contrast material was easily performed without spec...

journal_title：Radiology

authors： Smith TP,Hunter DW,Cragg AH,Darcy MD,Castaneda-Zuniga WR,Sinclair TR,Ercole C,Hulbert JC,Kaye KW,Amplatz K

更新日期：1988-07-01 00:00:00

abstract：PURPOSE:To test, by using an electrotransfer protocol for the transfection of skeletal muscle with naked plasmid complementary DNA, whether in vivo magnetic resonance (MR) imaging can help delineate either the spatial extent of the electric field when contrast agent is injected intraperitoneally or the transfection are...

journal_title：Radiology

authors： Paturneau-Jouas M,Parzy E,Vidal G,Carlier PG,Wary C,Vilquin JT,de Kerviler E,Schwartz K,Leroy-Willig A

更新日期：2003-09-01 00:00:00

abstract：:Magnetic resonance images of cranial bone marrow in 238 patients (246 examinations) less than 25 years old were reviewed to establish normal age-related standards. Bone marrow in the clivus and calvaria had uniformly low signal intensity (grade 1) on T1-weighted images in most infants less than 1 year old. The number ...

journal_title：Radiology

authors： Okada Y,Aoki S,Barkovich AJ,Nishimura K,Norman D,Kjos BO,Brasch RC

更新日期：1989-04-01 00:00:00

abstract：PURPOSE:To investigate the evolution of metabolic changes detectable with proton magnetic resonance (MR) spectroscopic imaging in acute stroke and to compare these findings with those of conventional MR imaging. MATERIALS AND METHODS:A patient with middle cerebral artery stroke underwent conventional proton-density (P...

journal_title：Radiology

authors： Barker PB,Gillard JH,van Zijl PC,Soher BJ,Hanley DF,Agildere AM,Oppenheimer SM,Bryan RN

更新日期：1994-09-01 00:00:00

abstract：:A new type of endovascular prosthesis was inserted in 28 animals and evaluated for several factors, including thrombogenicity, tendency to migrate, critical implant zones, and incorporation into the vascular wall. The new prosthesis is a woven, multifilament structure of stainless steel alloy; its inherent elastic, se...

journal_title：Radiology

authors： Rousseau H,Puel J,Joffre F,Sigwart U,Duboucher C,Imbert C,Knight C,Kropf L,Wallsten H

更新日期：1987-09-01 00:00:00

abstract：:Management of advanced or recurrent primary tracheal neoplasms has been restricted to palliative external beam irradiation. A patient with recurrent adenoid cystic carcinoma of the trachea was recently treated again by combined external irradiation and endotracheal brachytherapy with iridium 192 sources; the results w...

journal_title：Radiology

authors： Percarpio B,Price JC,Murphy P

更新日期：1978-07-01 00:00:00

abstract：:Images from endoscopic retrograde pancreatography performed in 38 patients with cystic pancreatic neoplasms were reviewed to determine whether they might allow differentiation of malignant from benign lesions. Twenty-three patients had histologically proved benign lesions; 15 had frankly malignant lesions. Images were...

journal_title：Radiology

authors： Gazelle GS,Mueller PR,Raafat N,Halpern EF,Cardenosa G,Warshaw AL

更新日期：1993-09-01 00:00:00

abstract：:Eleven patients (five female and six male, aged 6-67 years) with venous angiomas underwent axial and coronal T1-weighted and fast short inversion time inversion-recovery (STIR) magnetic resonance (MR) imaging to assess the full extent of the malformations. Images were assessed subjectively by the authors in a nonblind...

journal_title：Radiology

authors： Saks AM,Paterson FC,Irvine AT,Ayers BA,Burnand KG

更新日期：1995-03-01 00:00:00

abstract：:Serial proton nuclear magnetic resonance (NMR) images of distal upper extremities were obtained in four healthy volunteers and four patients with giant cell tumor of the distal radius. The steady-state-free-precession (SSFP) data collection technique and an 8-cm bore superconducting magnet (1.44 tesla) were used. All ...

journal_title：Radiology

authors： Brady TJ,Gebhardt MC,Pykett IL,Buonanno FS,Newhouse JH,Burt CT,Smith RJ,Mankin HJ,Kistler JP,Goldman MR,Hinshaw WS,Pohost GM

更新日期：1982-08-01 00:00:00

abstract：PURPOSE:To assess whether ultrasonography (US)-based real-time elastography (RTE) can be used to detect gut fibrosis. MATERIALS AND METHODS:In this institutional review board-approved, prospective, proof-of-concept study, unaffected and affected gut segments in 10 patients with Crohn disease (four women, six men; medi...

journal_title：Radiology

authors： Baumgart DC,Müller HP,Grittner U,Metzke D,Fischer A,Guckelberger O,Pascher A,Sack I,Vieth M,Rudolph B

更新日期：2015-06-01 00:00:00

abstract：:Radiographs and CT images taken during oral cholecystography in dogs were interpreted in an independent, blind fashion by three radiologists on two occasions and visual assessment of gallbladder density compared to the actual CT values. While there was significant intra- and inter-observer variation, the mean scores f...

journal_title：Radiology

authors： Fon GT,Hunter TB,Berk RN,Patton DD,Capp MP

更新日期：1982-07-01 00:00:00

abstract：PURPOSE:To estimate the radiation dose from whole-body fluorine 18 ((18)F)-fluorodeoxyglucose (FDG) positron emission tomographic (PET)/computed tomographic (CT) studies and to evaluate the induced cancer risk to U.S. and Hong Kong populations. MATERIALS AND METHODS:Fluorine 18-FDG PET/CT studies obtained by using a 6...

journal_title：Radiology

authors： Huang B,Law MW,Khong PL

更新日期：2009-04-01 00:00:00

abstract：PURPOSE:To evaluate the prevalence of testicular microlithiasis (TM) in children who have undergone scrotal ultrasonography (US) and their association with testicular tumors. MATERIALS AND METHODS:This HIPAA-compliant study with waiver of informed consent was approved by the institutional review board. From 2003 to 20...

journal_title：Radiology

authors： Cooper ML,Kaefer M,Fan R,Rink RC,Jennings SG,Karmazyn B

更新日期：2014-03-01 00:00:00