Predicting pathologic response to neoadjuvant chemotherapy in breast cancer by using MR imaging and quantitative 1H MR spectroscopy.

abstract：:Thirty-four episodes of pyogenic pulmonary infection in 30 patients infected with human immunodeficiency virus (HIV) and 30 episodes of Pneumocystis carinii pneumonia (PCP) in 30 AIDS patients were reviewed to determine if the radiologic features were more helpful than clinical and laboratory findings in the different...

journal_title：Radiology

authors： Amorosa JK,Nahass RG,Nosher JL,Gocke DJ

更新日期：1990-06-01 00:00:00

abstract：:In 41 patients with clinical evidence of pancreatic islet cell tumors, CT detected 21 of 27 tumors that were proved at surgery (sensitivity 78%) and correctly excluded the diagnosis in 14 of 14 patients with no evidence of tumor at long-term follow-up. Using rapid sequence CT scanning and bolus contrast material infus...

journal_title：Radiology

authors： Stark DD,Moss AA,Goldberg HI,Deveney CW

更新日期：1984-02-01 00:00:00

abstract：:The ingestion of small, flat disc batteries by infants and children may be life threatening if the battery leaks or disintegrates resulting in perforation of the gastrointestinal tract. The fluoroscopic removal of six ingested batteries from the stomach using an orogastric tube and magnet and a Foley catheter is descr...

journal_title：Radiology

authors： Jaffe RB,Corneli HM

更新日期：1984-02-01 00:00:00

abstract：:Percutaneous aspiration of the gallbladder was performed for nine hospitalized patients, most commonly to establish the diagnosis of acute cholecystitis and its complications in the critically ill patient or patient with sepsis. In five patients, aspiration alone was performed; in four, permanent percutaneous catheter...

journal_title：Radiology

authors： McGahan JP,Walter JP

更新日期：1985-06-01 00:00:00

abstract：:Noninvasive breast cancer comprises two distinct entities, lobular carcinoma in situ (LCIS) and ductal carcinoma in situ (DCIS). The increased use of screening mammography has caused more cases of noninvasive breast cancer to be discovered. However, the increased detection of LCIS and DCIS has posed problems in patien...

journal_title：Radiology

authors： Rebner M,Raju U

更新日期：1994-03-01 00:00:00

abstract：PURPOSE:To compare the antiquated x-ray system of Hoffmans and van Kleef (circa 1896) with modern x-ray equipment in terms of radiation dose, x-ray beam properties, image quality, and electrical parameters. MATERIALS AND METHODS:The antiquated x-ray system consisted of a Ruhmkorff inductor, battery, and Crookes tube. ...

journal_title：Radiology

authors： Kemerink M,Dierichs TJ,Dierichs J,Huynen HJ,Wildberger JE,van Engelshoven JM,Kemerink GJ

更新日期：2011-05-01 00:00:00

abstract：PURPOSE:To determine if comparison of in-phase and opposed-phase gradient-echo magnetic resonance (MR) images enables detection of lipid in renal clear cell carcinoma. MATERIALS AND METHODS:A retrospective search of MR and pathologic records identified 43 patients with biopsy-proved renal masses who underwent in-phase...

journal_title：Radiology

authors： Outwater EK,Bhatia M,Siegelman ES,Burke MA,Mitchell DG

更新日期：1997-10-01 00:00:00

abstract：:The authors present 3 cases of surgically proved Klatskin tumor diagnosed by ultrasound alone. Sonographic features of these tumors include (a) dilatation of the intrahepatic biliary ducts but not the extrahepatic duct, (b) non-union of the right and left hepatic ducts, and (c) small, solid masses at the hepatic hilus...

journal_title：Radiology

authors： Meyer DG,Weinstein BJ

更新日期：1983-09-01 00:00:00

abstract：:The purposes, implications, and history of development of the American College of Radiology-National Electrical Manufacturers Association (ACR-NEMA) Digital Imaging and Communication Standard and its contents are briefly described, and the minimum requirements of the ACR-NEMA Digital Imaging and Communication Standard...

journal_title：Radiology

authors： Wang Y,Best DE,Hoffman JG,Horii SC,Lehr JL,Lodwick GS,Morse RR,Murphy LL,Nelson OL,Perry J

更新日期：1988-02-01 00:00:00

abstract：:Radiographs of 18 children thought to have carbonic anhydrase II deficiency were reviewed to assess intracranial calcification. These children have an autosomal recessive syndrome consisting of osteopetrosis, renal tubular acidosis, intracranial calcification, and developmental retardation. This calcification is in th...

journal_title：Radiology

authors： Cumming WA,Ohlsson A

更新日期：1985-11-01 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：PURPOSE:To determine if computed tomographic (CT) texture and histogram analysis measurements of the primary mass are independently associated with overall survival in patients with locally advanced squamous cell carcinoma of the head and neck who were previously treated with cisplatin, 5-fluorouracil, and docetaxel (T...

journal_title：Radiology

authors： Zhang H,Graham CM,Elci O,Griswold ME,Zhang X,Khan MA,Pitman K,Caudell JJ,Hamilton RD,Ganeshan B,Smith AD

更新日期：2013-12-01 00:00:00

abstract：:Peritoneal masses arising from different types of primary carcinoma were studied ultrasonographically in 34 patients as well as with computed tomography in 3 patients. In shape, the masses were nodular, mantle- or sheetlike, or irregular. The peritoneal line was usually obliterated unless the mass was very small. When...

journal_title：Radiology

authors： Yeh HC

更新日期：1979-11-01 00:00:00

abstract：:Purpose To cross-validate T1-weighted oxygen-enhanced (OE) MRI measurements of tumor hypoxia with intrinsic susceptibility MRI measurements and to demonstrate the feasibility of translation of the technique for patients. Materials and Methods Preclinical studies in nine 786-0-R renal cell carcinoma (RCC) xenografts an...

journal_title：Radiology

authors： Little RA,Jamin Y,Boult JKR,Naish JH,Watson Y,Cheung S,Holliday KF,Lu H,McHugh DJ,Irlam J,West CML,Betts GN,Ashton G,Reynolds AR,Maddineni S,Clarke NW,Parker GJM,Waterton JC,Robinson SP,O'Connor JPB

更新日期：2018-09-01 00:00:00

abstract：:Background The full-scale airway network (FAN) flow model shows excellent agreement with limited functional imaging data but requires further validation prior to clinical use. Purpose To validate the ventilation distributions computed with the FAN flow model with xenon ventilation from xenon-enhanced dual-energy (DE) ...

journal_title：Radiology

authors： Kim M,Doganay O,Hwang HJ,Seo JB,Gleeson FV

更新日期：2021-01-01 00:00:00

abstract：:Background The coronavirus disease 2019 (COVID-19) pandemic has spread across the globe with alarming speed, morbidity, and mortality. Immediate triage of patients with chest infections suspected to be caused by COVID-19 using chest CT may be of assistance when results from definitive viral testing are delayed. Purpos...

journal_title：Radiology

authors： Lessmann N,Sánchez CI,Beenen L,Boulogne LH,Brink M,Calli E,Charbonnier JP,Dofferhoff T,van Everdingen WM,Gerke PK,Geurts B,Gietema HA,Groeneveld M,van Harten L,Hendrix N,Hendrix W,Huisman HJ,Išgum I,Jacobs C,Kluge R

更新日期：2021-01-01 00:00:00

abstract：:The specificity of the intraarticular facet block as a diagnostic test for facet joint disease is currently unknown. Capsular rupture with epidural and periarticular diffusion is probably responsible for many false positive findings. We found a comparatively low success rate of the procedure in 25 patients in whom max...

journal_title：Radiology

authors： Raymond J,Dumas JM

更新日期：1984-05-01 00:00:00

abstract：:Cyst formation in an infarcted bone, though rare, can be diagnosed with reasonable confidence when radiographs show an expanding lytic lesion confined by an intact but attenuated cortex. If the cortex is destroyed and a periosteal response or soft-tissue mass is present, malignant transformation should be suspected. ...

journal_title：Radiology

authors： Norman A,Steiner GC

更新日期：1983-02-01 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

abstract：:Persistent bile leaks after liver transplantation were successfully treated in three patients with percutaneous or surgical drainage of bilomas and endoscopic retrograde ampullary sphincterotomy. In all three patients, biliary anastomoses were achieved by means of choledochocholedochostomies, with a T-tube stent in th...

journal_title：Radiology

authors： Ward EM,Wiesner RH,Hughes RW,Krom RA

更新日期：1991-06-01 00:00:00

abstract：PURPOSE:To prospectively evaluate the feasibility of magnetic resonance (MR) coronary artery imaging and to define myocardial damage with late-enhancement myocardial MR imaging in children who underwent arterial switch surgery for transposition of the great arteries. MATERIALS AND METHODS:The local research ethics com...

journal_title：Radiology

authors： Taylor AM,Dymarkowski S,Hamaekers P,Razavi R,Gewillig M,Mertens L,Bogaert J

更新日期：2005-02-01 00:00:00

abstract：PURPOSE:To determine whether magnetic resonance (MR) imaging with diffusion-weighted (DW) imaging can help discriminate between radiologically indeterminate benign and malignant orbital masses and to identify optimal apparent diffusion coefficient (ADC) thresholds for such discrimination. MATERIALS AND METHODS:Informe...

journal_title：Radiology

authors： Sepahdari AR,Aakalu VK,Setabutr P,Shiehmorteza M,Naheedy JH,Mafee MF

更新日期：2010-08-01 00:00:00

abstract：:Zones of high and low signal intensity on magnetic resonance (MR) images of articular cartilage were correlated with the four histologic zones normally found in such cartilage. Grossly normal articular cartilage from knees and ankles of a fresh cadaver were used in the study. The three zones identified on MR images in...

journal_title：Radiology

authors： Modl JM,Sether LA,Haughton VM,Kneeland JB

更新日期：1991-12-01 00:00:00

abstract：:A method is presented for acquiring magnetic resonance (MR) images in parallel from both members of a pair of organs, such as the temporomandibular joint (TMJ), with use of two surface coil receivers. Interleaved sagittal sections are broken into two groups, one on each side of the head, and the MR receiver is toggled...

journal_title：Radiology

authors： Hardy CJ,Katzberg RW,Frey RL,Szumowski J,Totterman S,Mueller OM

更新日期：1988-06-01 00:00:00

abstract：:Fifty consecutive patients with suspected herniated nucleus pulposus at L4-5 or L5-S1 were evaluated prospectively with both epidural venography and iophendylate myelography. The two procedures were compared with respect to diagnostic accuracy, ease of performance, and complications. Evaluation of both the L4-5 and L5...

journal_title：Radiology

authors： Lotz PR,Seeger JF,Gabrielsen TO

更新日期：1980-01-01 00:00:00

abstract：PURPOSE:To assess the diagnostic performance of 64-section cardiac computed tomographic (CT) angiography for detection of left atrial appendage (LAA) thrombi in stroke patients by using transesophageal echocardiography (TEE) as the reference standard. MATERIALS AND METHODS:This study was approved by the institutional ...

journal_title：Radiology

authors： Hur J,Kim YJ,Nam JE,Choe KO,Choi EY,Shim CY,Choi BW

更新日期：2008-10-01 00:00:00

abstract：:The purpose of this study was to prospectively use a whole-heart three-dimensional (3D) coronary magnetic resonance (MR) angiography technique specifically adapted for use at 3 T and a parallel imaging technique (sensitivity encoding) to evaluate coronary arterial anomalies and variants (CAAV). This HIPAA-compliant st...

journal_title：Radiology

authors： Gharib AM,Ho VB,Rosing DR,Herzka DA,Stuber M,Arai AE,Pettigrew RI

更新日期：2008-04-01 00:00:00

abstract：:The institutional review board approved the described HIPAA-compliant study, which was performed to prospectively evaluate observer performance in the detection of artificial multiple sclerosis (MS) lesions that were randomly distributed supra- and infratentorially on simulated fluid-attenuated inversion-recovery (FLA...

journal_title：Radiology

authors： Pikus L,Woo JH,Wolf RL,Herskovits EH,Moonis G,Jawad AF,Krejza J,Melhem ER

更新日期：2006-04-01 00:00:00

abstract：:Internal derangements of the temporomandibular joint (TMJ) may be a significant factor in the etiology of painful dysfunction of the jaw and associated clinical symptoms. In a two-year prospective investigation, 170 TMJs in 85 patients were studied with plain tomography prior to arthrotomography. Arthritis was detecte...

journal_title：Radiology

authors： Katzberg RW,Keith DA,Guralnick WC,Manzione JV Jr,Ten Eick WR

更新日期：1983-01-01 00:00:00

abstract：PURPOSE:To determine the patency of Wallstents placed across the venous anastomosis of prosthetic bridge grafts after percutaneous graft recanalization. MATERIALS AND METHODS:Wallstents were placed across 26 lesions at the venous anastomosis of polytetrafluoroethylene (PTFE) grafts in 25 patients (11 men, 14 women; ag...

journal_title：Radiology

authors： Patel RI,Peck SH,Cooper SG,Epstein DM,Sofocleous CT,Schur I,Falk A

更新日期：1998-11-01 00:00:00