Eccentric cortical metastases to the skeleton from bronchogenic carcinoma.

abstract：:This review offers insight into the possible role of vasa vasorum in the development of intracranial vascular disease. Unique structural features of intracranial vessels and nourishment from the surrounding cerebrospinal fluid environment may account for the relative lack of intracranial vasa vasorum early in life. Ho...

journal_title：Radiology

authors： Portanova A,Hakakian N,Mikulis DJ,Virmani R,Abdalla WM,Wasserman BA

更新日期：2013-06-01 00:00:00

abstract：:Epidemiologic data were obtained to evaluate potential risks from exposure to the static and time-varying magnetic fields used in magnetic resonance (MR) imaging. A questionnaire sent to women workers in more than 90% of clinical MR facilities in the United States addressed menstrual-reproductive experiences, work act...

journal_title：Radiology

authors： Kanal E,Gillen J,Evans JA,Savitz DA,Shellock FG

更新日期：1993-05-01 00:00:00

abstract：:Purpose To report the impact of changing from screen-film mammography to digital mammography (DM) in a large organized national screening program. Materials and Methods A retrospective analysis of prospectively collected annual screening data from 2009-2010 to 2015-2016 for the 80 facilities of the English National He...

journal_title：Radiology

authors： Blanks RG,Wallis MG,Alison R,Kearins O,Jenkins J,Patnick J,Given-Wilson RM

更新日期：2019-03-01 00:00:00

abstract：:The CT scanner makes three-dimensional anatomical information available for treatment planning, the calculational algorithm being the limiting factor in dose calculations. A method has been developed, called the "effective tissue-air ratio method," that uses all the information but reduces it to manageable proportions...

journal_title：Radiology

authors： Sontag MR,Cunningham JR

更新日期：1978-12-01 00:00:00

abstract：PURPOSE:To prospectively compare single- and multisection computed tomographic (CT) perfusion for tumor blood flow determination in an animal model. MATERIALS AND METHODS:All animal protocols and experiments were approved by the institutional animal care and use committee before the study was initiated. R3230 mammary ...

journal_title：Radiology

authors： Hakimé A,Peddi H,Hines-Peralta AU,Wilcox CJ,Kruskal J,Lin S,de Baere T,Raptopoulos VD,Goldberg SN

更新日期：2007-06-01 00:00:00

abstract：PURPOSE:To compare measures of diagnostic accuracy between large concurrent cohorts of women screened with digital computed radiography (CR), direct radiography (DR), and screen-film mammography (SFM). MATERIALS AND METHODS:This study was approved by the University of Toronto Research Ethics Board; informed consent wa...

journal_title：Radiology

authors： Prummel MV,Muradali D,Shumak R,Majpruz V,Brown P,Jiang H,Done SJ,Yaffe MJ,Chiarelli AM

更新日期：2016-02-01 00:00:00

abstract：PURPOSE:To assess the ability of helium 3 ((3)He) magnetic resonance (MR) imaging of regional alveolar partial pressure of oxygen (Pao2) to depict smoking-induced functional alterations and to compare its efficacy to that of current diagnostic techniques. MATERIALS AND METHODS:This study was approved by the local inst...

journal_title：Radiology

authors： Hamedani H,Kadlecek SJ,Ishii M,Xin Y,Emami K,Han B,Shaghaghi H,Gopstein D,Cereda M,Gefter WB,Rossman MD,Rizi RR

更新日期：2015-02-01 00:00:00

abstract：:The variety of cervical lymphadenectomy and neck reconstructive procedures that have been developed in the past 20 years has led to confusion about nomenclature in the literature. In addition, some of these operations result in gross alteration of the normal anatomy. The authors review the present classification syste...

journal_title：Radiology

authors： Som PM,Urken ML,Biller H,Lidov M

更新日期：1993-06-01 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：PURPOSE:To analyze the effect of the 1991 Maryland legislative mandate of screening mammography benefits. MATERIALS AND METHODS:Claims submitted between January 1991 and December 1993 for outpatient mammograms obtained in women covered under Blue Cross Blue Shield of Maryland insurance indemnity contracts were analyze...

journal_title：Radiology

authors： Dans PE,Wright AT

更新日期：1996-03-01 00:00:00

abstract：PURPOSE:To assess the value of resistive index (RI) and systolic acceleration time (SAT) for diagnosis of stenoses and thromboses of the hepatic artery in liver transplant recipients. MATERIALS AND METHODS:Doppler sonograms and angiograms in 125 liver transplant recipients were correlated and analyzed for any statisti...

journal_title：Radiology

authors： Dodd GD 3rd,Memel DS,Zajko AB,Baron RL,Santaguida LA

更新日期：1994-09-01 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：:Transducer side lobes consist of multiple low-intensity sound beams located outside of the main ultrasound beam. Although the echoes generated by side lobes originate outside of the main beam, they appear as specular or diffuse artifactual echoes within the beam. They are visible with both static and real-time equipme...

journal_title：Radiology

authors： Laing FC,Kurtz AB

更新日期：1982-12-01 00:00:00

abstract：:The radiological features of absence of a pulmonary artery are often characteristic enough to allow a diagnosis based on the plain radiograph. They include a small hemithorax, ipsilateral displacement of the mediastinum, absence of the corresponding pulmonary artery, and reticular parenchymal densities, generally attr...

journal_title：Radiology

authors： Kleinman PK

更新日期：1979-08-01 00:00:00

abstract：:Paraplegics whose range of motion is limited by para-osteo-arthropathy (POA) may have difficulty in becoming independent unless the heterotopic bone mass is removed. The recurrence rate is high if the bony mass is not mature at the time of surgery. Radiography and alkaline phosphatase correlations are not trustworthy....

journal_title：Radiology

authors： Tanaka T,Rossier AB,Hussey RW,Ahnberg DS,Treves S

更新日期：1977-04-01 00:00:00

abstract：:Ultrasonographic (US) examinations of the upper abdomen were performed in 80 patients with Gaucher disease. Of the 49 patients that had not undergone splenectomy, 47 had splenic enlargement. Sixteen patients had multiple lesions in the spleen. Most patients had discrete hypoechoic lesions that corresponded pathologica...

journal_title：Radiology

authors： Hill SC,Reinig JW,Barranger JA,Fink J,Shawker TH

更新日期：1986-09-01 00:00:00

abstract：:The authors prospectively treated 10 consecutive patients with multiloculated empyemas with intracavitary instillation of urokinase via a percutaneous drainage catheter. Urokinase (100,000 IU) in 100 mL of 5% dextrose in water was instilled into the pleural cavity via a percutaneous drainage catheter. After overnight ...

journal_title：Radiology

authors： Lee KS,Im JG,Kim YH,Hwang SH,Bae WK,Lee BH

更新日期：1991-06-01 00:00:00

abstract：PURPOSE:To compare 1.5- and 3.0-T magnetic resonance (MR) images of porcine knee specimens containing artificial cartilage lesions in terms of accuracy of lesion depiction, image quality, and signal-to-noise ratio (SNR). MATERIALS AND METHODS:This Health Insurance Portability and Accountability Act-compliant study had...

journal_title：Radiology

authors： Masi JN,Sell CA,Phan C,Han E,Newitt D,Steinbach L,Majumdar S,Link TM

更新日期：2005-07-01 00:00:00

abstract：PURPOSE:To identify predictors of clinically important abnormal findings in computed tomography (CT) images of the head among emergency department (ED) patients without a history of trauma. MATERIALS AND METHODS:Approval was obtained from the institutional research ethics board, and informed consent from patients was ...

journal_title：Radiology

authors： Wang X,You JJ

更新日期：2013-03-01 00:00:00

abstract：PURPOSE:To determine technical success with percutaneous abscess drainage (PAD) in patients with Crohn disease during 14 years. MATERIALS AND METHODS:Medical records of 32 patients with Crohn disease who underwent PAD from 1985 to 1999 were reviewed. Results of abscess drainage and nature of subsequent surgical proced...

journal_title：Radiology

authors： Gervais DA,Hahn PF,O'Neill MJ,Mueller PR

更新日期：2002-03-01 00:00:00

abstract：PURPOSE:To compare contrast material-enhanced three-dimensional (3D) magnetic resonance (MR) angiography and multi-detector row computed tomographic (CT) angiography in the same patients for assessment of the aortoiliac and renal arteries, with digital subtraction angiography (DSA) as the standard of reference. MATERI...

journal_title：Radiology

authors： Willmann JK,Wildermuth S,Pfammatter T,Roos JE,Seifert B,Hilfiker PR,Marincek B,Weishaupt D

更新日期：2003-03-01 00:00:00

abstract：PURPOSE:To use Prospective Investigation of Pulmonary Embolism Diagnosis (PIOPED) II data to retrospectively determine sensitivity and specificity of ventilation-perfusion (V/Q) scintigraphic studies categorized as pulmonary embolism (PE) present or PE absent and the proportion of patients for whom these categories app...

journal_title：Radiology

authors： Sostman HD,Stein PD,Gottschalk A,Matta F,Hull R,Goodman L

更新日期：2008-03-01 00:00:00

abstract：:The findings on images of liposarcomas of the extremities in 48 patients (26 men and 22 women aged 20-85 years) were reviewed to correlate the histologic subtypes with radiologic appearance. Computed tomographic scans were obtained in 36 patients; magnetic resonance (MR) images, in 27 patients. The study group had 19 ...

journal_title：Radiology

authors： Jelinek JS,Kransdorf MJ,Shmookler BM,Aboulafia AJ,Malawer MM

更新日期：1993-02-01 00:00:00

abstract：:Three patients presented with meningitis associated with congenital defects of the inner ear, consisting of a cyst-like cochlea and a short, wide horizontal semicircular canal. The findings were easily identified on routine skull radiographs, alleviating the need for further studies and leading to treatment of the def...

journal_title：Radiology

authors： Sykora GF,Kaufman B,Katz RL

更新日期：1980-05-01 00:00:00

abstract：:Idiopathic interstitial pneumonias comprise usual interstitial pneumonia (UIP), nonspecific interstitial pneumonia (NSIP), desquamative interstitial pneumonia (DIP), respiratory bronchiolitis-associated interstitial lung disease (RB-ILD), cryptogenic organizing pneumonia (COP), acute interstitial pneumonia (AIP), and ...

journal_title：Radiology

authors： Lynch DA,Travis WD,Müller NL,Galvin JR,Hansell DM,Grenier PA,King TE Jr

更新日期：2005-07-01 00:00:00

abstract：:Background Modern high-spatial-resolution radiologic methods enable increasingly detailed volumetric postmortem investigations of human neuroanatomy for diagnostic, research, and educational purposes. Purpose To evaluate the viability of postmortem x-ray phase-contrast micro-CT to provide tissue-conserving, high-spati...

journal_title：Radiology

authors： Barbone GE,Bravin A,Mittone A,Grosu S,Ricke J,Cavaletti G,Djonov V,Coan P

更新日期：2021-01-01 00:00:00

abstract：:Ultrasound-guided fallopian tube catheterization was performed in seven women a total of 14 times. The women had normal-appearing fallopian tubes at hysterosalpingography and received sperm via the catheter as a way to overcome their inability to conceive. Techniques similar to those used for fluoroscopically guided f...

journal_title：Radiology

authors： Thurmond AS,Patton PE,Hector DM,Jones MK

更新日期：1991-08-01 00:00:00

abstract：PURPOSE:To design a chest radiography unit that eliminates scatter. MATERIALS AND METHODS:A scanning slit radiography unit that also incorporates a conventional grid was designed. The scanning slit geometry defined a 10-mm-wide beam at the image receptor. RESULTS:With a typical heavy-duty radiographic tube, the propo...

journal_title：Radiology

authors： Barnes GT,Wu X,Sanders PC

更新日期：1994-02-01 00:00:00

abstract：:Purpose To evaluate the safety and efficacy of palliative treatment of patients with pathologic pelvic by using fluoroscopy and cone-beam CT needle guidance software to perform percutaneous fixation by internal cemented screw (FICS). Materials and Methods This single-center study involved retrospective analysis of 100...

journal_title：Radiology

authors： Roux C,Tselikas L,Yevich S,Sandes Solha R,Hakime A,Teriitehau C,Gravel G,de Baere T,Deschamps F

更新日期：2019-02-01 00:00:00

abstract：:The results of 179 radionuclide bone imaging examinations, 105 gathered retrospectively from the cases of 97 patients referred for assessment of possible occult fracture of the proximal femur (hip) and 74 performed prospectively on 63 patients referred with a diagnosis of obvious or suspected hip fracture, were analyz...

journal_title：Radiology

authors： Holder LE,Schwarz C,Wernicke PG,Michael RH

更新日期：1990-02-01 00:00:00