Nonpalpable breast lesions: accuracy of prebiopsy mammographic diagnosis.

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：:Preliminary work has shown that normal lungs have predictable CT patterns and density ranges. In emphysema, there are irregular zones of extremely low density as well as an overall low mean density. CT appears to have considerable potential for early detection of pulmonary emphysema and characterization of the degree ...

journal_title：Radiology

authors： Rosenblum LJ,Mauceri RA,Wellenstein DE,Bassano DA,Cohen WN,Heitzman ER

更新日期：1978-11-01 00:00:00

abstract：PURPOSE:To prospectively evaluate the relationships between change in white matter (WM) anisotropy and (a) patient age at craniospinal irradiation (CSI), (b) CSI dose, and (c) time of magnetic resonance (MR) imaging since CSI and to determine the effect of these neurotoxicity risk factors on WM anisotropy in posttreatm...

journal_title：Radiology

authors： Khong PL,Leung LH,Chan GC,Kwong DL,Wong WH,Cao G,Ooi GC

更新日期：2005-08-01 00:00:00

abstract：PURPOSE:To define age-specific patterns of distribution of red and yellow marrow about the shoulder. MATERIALS AND METHODS:Red and yellow marrow distribution was reviewed on magnetic resonance images of 189 subjects aged 15-69 years. Double-echo and fast spin-echo, gradient, and short inversion time inversion recovery...

journal_title：Radiology

authors： Richardson ML,Patten RM

更新日期：1994-07-01 00:00:00

abstract：:Sensitivity and specificity of lumbar spine radiography in the assessment of facet joint osteoarthritis were evaluated, with computed tomography (CT) as the standard. Two independent radiologists used a four-point scale to blindly grade facet joint osteoarthritis on oblique radiographs and transaxial CT scans obtained...

journal_title：Radiology

authors： Pathria M,Sartoris DJ,Resnick D

更新日期：1987-07-01 00:00:00

abstract：:Over the past 6 years, the authors evaluated 300 patients with hepatoma as part of phase 1 and 2 treatment protocol trials. Analysis of the available clinical data and radiographic studies revealed 22 patients (7.3%) with skeletal metastases demonstrated by radiography, computed tomography (CT), and/or nuclear scintig...

journal_title：Radiology

authors： Kuhlman JE,Fishman EK,Leichner PK,Magid D,Order SE,Siegelman SS

更新日期：1986-07-01 00:00:00

abstract：PURPOSE:To determine the magnetic resonance (MR) imaging characteristics of endometrial polyps and the accuracy of MR imaging in distinguishing endometrial polyps from endometrial carcinomas in a case-control study. MATERIALS AND METHODS:Cross-referencing pathology records with MR studies from two institutions disclos...

journal_title：Radiology

authors： Grasel RP,Outwater EK,Siegelman ES,Capuzzi D,Parker L,Hussain SM

更新日期：2000-01-01 00:00:00

abstract：:Schmieder and colleagues introduced a new molecular magnetic resonance (MR) probe with a promising lipophilic gadolinium chelate complex that provides high relaxivity. Results of in vivo experiments clearly demonstrate the excellence of the probe for longitudinally monitoring α(v)β(3) integrin expression in tumors. In...

journal_title：Radiology

authors： Kiessling F

更新日期：2013-08-01 00:00:00

abstract：:A prospective study was undertaken to establish the normal spectrum and timing of gadolinium-enhanced magnetic resonance (MR) imaging findings in 15 patients who had resolution of symptoms after successful lumbar disk surgery. Enhancement of the facet joints (in 88% of disk levels) and paraspinal muscles (100%) decrea...

journal_title：Radiology

authors： Boden SD,Davis DO,Dina TS,Parker CP,O'Malley S,Sunner JL,Wiesel SW

更新日期：1992-01-01 00:00:00

abstract：:Rod-shaped reflectors such as those used in the AIUM test object resonate at medical ultrasound frequencies, producing artifacts posterior to the reflector. Rods of various diameters and materials were examined to determine their resonant properties, and the effect of the Plexiglas scanning surface of the enclosure on...

journal_title：Radiology

authors： Hefner LV,Goldstein A

更新日期：1981-04-01 00:00:00

abstract：:A case of blind pouch formation presenting as gastrointestinal bleeding 23 years following side-to-side small bowel anastomosis to relieve obstruction is reported. Although rare, blind pouches may occasionally be encountered. Familiarity with the clinical and radiographic features can aid in a prompt and precise preop...

journal_title：Radiology

authors： Maglinte DD

更新日期：1979-08-01 00:00:00

abstract：PURPOSE:To examine the efficacy of transperineal sonographically guided drainage of deep pelvic abscesses. MATERIALS AND METHODS:Twelve drainage procedures were performed in 11 adults with symptoms of infection and cross-sectional images demonstrating a deep pelvic abscess. Eight patients had recently undergone abdomi...

journal_title：Radiology

authors： Sperling DC,Needleman L,Eschelman DJ,Hovsepian DM,Lev-Toaff AS

更新日期：1998-07-01 00:00:00

abstract：UNLABELLED:Ovarian cancer is the most lethal of the gynecologic malignancies. Because ovarian cancer symptoms are subtle and nonspecific, the diagnosis is often delayed until the disease is well advanced. Overall 5-year survival is a rather dismal 50% but can be improved to greater than 90% if the disease is confined t...

journal_title：Radiology

authors： Lutz AM,Willmann JK,Drescher CW,Ray P,Cochran FV,Urban N,Gambhir SS

更新日期：2011-05-01 00:00:00

abstract：PURPOSE:To measure the safety and effectiveness of conscious sedation in order to assess utilization and the effect on magnetic resonance (MR) imaging examinations. MATERIALS AND METHODS:A database of conscious sedation records for MR imaging at the Johns Hopkins Hospital, Baltimore, Md, from 1991 to 1998 was searched...

journal_title：Radiology

authors： Bluemke DA,Breiter SN

更新日期：2000-09-01 00:00:00

abstract：:Six cases of acoustic neurinoma are presented in which the tumor is supplied by branches of the external carotid artery, with or without supply from the internal carotid artery. A new angiographic protocol for the investigation of masses in the cerebellopontine angle is suggested. According to early results of the CT ...

journal_title：Radiology

authors： Théron J,Lasjaunias P

更新日期：1976-01-01 00:00:00

abstract：:The authors describe three pediatric patients with diffuse pulmonary hemangiomatosis. Virtually identical clinical, radiographic, and pathologic findings were observed in each case. The combination of diffuse interstitial pulmonary infiltration and bloody pleural effusion in a child is pathognomonic. Early recognition...

journal_title：Radiology

authors： Rowen M,Thompson JR,Williamson RA,Wood BJ

更新日期：1978-05-01 00:00:00

abstract：:The rationale for prebiopsy and preoperative irradiation in a multimodal approach to treatment of osteosarcoma is presented. Six patients with osteosarcoma underwent preoperative irradiation, amputation, and elective chemotherapy. Five of these also received prebiopsy irradiation: three survive without metastases at 2...

journal_title：Radiology

authors： Munzenrider JE,Emami B,Tchakarova I,Necheles TF,Banks HH,Paradelo JC,Oh WH

更新日期：1977-11-01 00:00:00

abstract：:Cardiac masses are usually first detected at echocardiography. In their further evaluation, cardiac magnetic resonance (MR) imaging has become a highly valuable technique. MR imaging offers incremental value owing to its larger field of view, superior tissue contrast, versatility in image planes, and unique ability to...

journal_title：Radiology

authors： Motwani M,Kidambi A,Herzog BA,Uddin A,Greenwood JP,Plein S

更新日期：2013-07-01 00:00:00

abstract：PURPOSE:To prospectively evaluate the efficacy of additional radiofrequency (RF) ablation by comparing the results of one and two sessions. MATERIALS AND METHODS:All patients gave written informed consent to participate in this institutional review board-approved prospective study. From September 2007 to February 2008...

journal_title：Radiology

authors： Huh JY,Baek JH,Choi H,Kim JK,Lee JH

更新日期：2012-06-01 00:00:00

abstract：:Purpose To compare long-term graft and patient survival after percutaneous angioplasty (PTA) or stent placement for transplant renal artery stenosis (TRAS) with a control cohort without TRAS. Materials and Methods This is a retrospective matched cohort study of 41 patients (median age, 49 years; range, 18-72 years), i...

journal_title：Radiology

authors： Patel U,Kumar S,Johnson OW,Jeon JH,Das R

更新日期：2019-02-01 00:00:00

abstract：:Colony formation of JB-1-E tumor cells was studied after hyperthermic treatment (42.5 degrees C) at a pH of 6.4 or 7.2 under hypoxic and euoxic conditions. At a pH of 7.2 and normal oxygen tension, there was a moderate decrease in colony formation with increasing duration of hyperthermic treatment (To = 65 min.). This...

journal_title：Radiology

authors： Overgaard J,Bichel P

更新日期：1977-05-01 00:00:00

abstract：:Purpose To evaluate glass-fiber-based guidewires that are safe for magnetic resonance (MR) imaging-guided endovascular interventions by using a phantom and an in vivo swine model. Materials and Methods MR imaging-safe guidewires were made from micropultruded glass and/or aramid fibers and epoxy resin with diameters of...

journal_title：Radiology

authors： Massmann A,Buecker A,Schneider GK

更新日期：2017-08-01 00:00:00

abstract：PURPOSE:To prospectively correlate single- and multisection magnetic resonance (MR) imaging measurements with clinical measurements for assessment of abdominal adipose tissue volumes in healthy (control subjects), overweight, and diabetic overweight preadolescents and adolescents. MATERIALS AND METHODS:The study was a...

journal_title：Radiology

authors： Siegel MJ,Hildebolt CF,Bae KT,Hong C,White NH

更新日期：2007-03-01 00:00:00

abstract：:Radiologically characteristic extra-alveolar air collections in one or both inferior pulmonary ligaments developed in 14 neonates with respiratory distress on assisted ventilation. Eleven infants had radiographically visible pulmonary interstitial emphysema prior to or concurrent with the air collections. All infants ...

journal_title：Radiology

authors： Volberg FM Jr,Everett CJ,Brill PW

更新日期：1979-02-01 00:00:00

abstract：PURPOSE:To assess forced-expiratory bronchial collapsibility in healthy volunteers by using multidetector computed tomography (CT) and to compare the results with the current diagnostic criterion for bronchomalacia. MATERIALS AND METHODS:The institutional review board approved this HIPAA-compliant study. Following inf...

journal_title：Radiology

authors： Litmanovich D,O'Donnell CR,Bankier AA,Ernst A,Millett ME,Loring SH,Boiselle PM

更新日期：2010-11-01 00:00:00

abstract：:58 cases of breast cancer treated primarily by radiotherapy were evaluated to determine the optimum dose for local control. Of 36 patients with T1 + T2 lesions who had tumorectomy prior to radiotherapy, incomplete excision of tumor was demonstrated on microscopic examination in 18. The minimum tumor dose to the breast...

journal_title：Radiology

authors： Ghossein NA,Stacey P,Alpert RT,Ager PJ,Krishnaswamy V

更新日期：1976-11-01 00:00:00

abstract：:To compare two methods of evaluating patients with coronary artery disease, the authors assessed the ejection fraction (EF) during the first-third (1/3) of systole by first-pass radionuclide angiography and the EF response to exercise in 22 normal individuals and 40 patients. The 1/3 EF was calculated by averaging 3--...

journal_title：Radiology

authors： Slutsky R,Battler A,Karliner JS,Froelicher V,Ashburn W

更新日期：1980-07-01 00:00:00

abstract：:Purpose To determine whether functional outcomes of veterans who sustained combat-related mild traumatic brain injury (TBI) are associated with scalar metrics derived from diffusion-tensor (DT) imaging at their initial postdeployment evaluation. Materials and Methods This HIPAA-compliant retrospective study was approv...

journal_title：Radiology

authors： Ware JB,Biester RC,Whipple E,Robinson KM,Ross RJ,Nucifora PG

更新日期：2016-07-01 00:00:00

abstract：:Purpose To develop multiparametric magnetic resonance (MR) imaging models to generate a quantitative, user-independent, voxel-wise composite biomarker score (CBS) for detection of prostate cancer by using coregistered correlative histopathologic results, and to compare performance of CBS-based detection with that of s...

journal_title：Radiology

authors： Metzger GJ,Kalavagunta C,Spilseth B,Bolan PJ,Li X,Hutter D,Nam JW,Johnson AD,Henriksen JC,Moench L,Konety B,Warlick CA,Schmechel SC,Koopmeiners JS

更新日期：2016-06-01 00:00:00

abstract：:Hirschprung disease is usually diagnosed in infancy. Occasionally patients reach adulthood without diagnosis or treatment. Four cases of adult Hirschprung disease are described. The principal radiographic findings are a markedly dilated, feces-filled colon above the zone of transition; a narrowed rectum; a cone- or fu...

journal_title：Radiology

authors： Mindelzun RE,Hicks SM

更新日期：1986-09-01 00:00:00