Abstract:
:A summary of the activities of the International Commission on Radiation Units and Measurements since 1973 is presented.
journal_name
Radiologyjournal_title
Radiologyauthors
Wyckoff HOdoi
10.1148/127.2.549subject
Has Abstractpub_date
1978-05-01 00:00:00pages
549-52issue
2eissn
0033-8419issn
1527-1315journal_volume
127pub_type
杂志文章相关文献
RADIOLOGY文献大全abstract::Optical imaging currently can be used to characterize some of the early steps in the angiogenic pathway in vivo in animals. Liu and Matsui have provided valuable information in regard to the sequential changes in the origin and nature of newly formed blood vessels during progressive stages of growth of hepatic colorec...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2432061988
更新日期:2007-05-01 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
pub_type: 杂志文章
doi:10.1148/radiology.192.1.8208940
更新日期:1994-07-01 00:00:00
abstract:PURPOSE:To determine whether hepatosplenomegaly was a reproducible finding in seven neonates who were being treated with extracorporeal membrane oxygenation (ECMO) for respiratory failure. MATERIALS AND METHODS:The authors measured splenic and hepatic dimensions with ultrasound (US) at the time ECMO was initiated and ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.190.2.8284390
更新日期:1994-02-01 00:00:00
abstract:PURPOSE:To determine if magnetic resonance (MR) imaging data can be used to create rigid models that are accurate representations of the right ventricular outflow tract (RVOT) and pulmonary trunk anatomy and if such models can be used to refine the selection of patients for percutaneous pulmonary valve implantation (PP...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2422051994
更新日期:2007-02-01 00:00:00
abstract:PURPOSE:To determine the value of parenchymal findings at contrast material-enhanced spiral computed tomography (CT) in patients suspected to have pulmonary embolism (PE). MATERIALS AND METHODS:Eighty-eight patients suspected to have PE underwent contrast-enhanced spiral CT and ventilation-perfusion scintigraphy. Conc...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.207.3.9609900
更新日期:1998-06-01 00:00:00
abstract:PURPOSE:To quantify the effects of spiral computed tomographic (CT) acquisition parameters on the magnitude of three-dimensional (3D) rippling artifacts and polyp depiction. MATERIALS AND METHODS:An in vitro colon phantom was constructed with air-filled acrylic cylinders that contained synthetic polyps of 3-13 mm. The...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.217.1.r00oc13165
更新日期:2000-10-01 00:00:00
abstract::Fibromuscular dysplasia (FMD) of the intracranial internal carotid and vertebro-basilar system is extremely rare. A case with diffuse intracranial involvement and an associated carotid-cavernous fistula is presented. The literature is reviewed and the pathogenesis of this complication of FMD is discussed. ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/122.3.725
更新日期:1977-03-01 00:00:00
abstract::The author reviews the regulatory process through which new cardiovascular interventional devices reach the hands of the interventional radiologist and the cardiologist. The marketing mechanisms are outlined, as are the data requirements. The reader is taken step-by-step from device investigation conducted under an ap...
journal_title:Radiology
pub_type: 临床试验,杂志文章
doi:10.1148/radiology.174.3.174-3-923
更新日期:1990-03-01 00:00:00
abstract::Twelve cases of fibrous ureteral polyps are presented, illustrating their characteristic radiographic appearances. Two types--a long pedunculated mobile variety having a smooth surface, and a relatively shorter lesion covered with thin, finger-like projections--may be identified. Demonstration of the typical findings ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/130.1.73
更新日期:1979-01-01 00:00:00
abstract:PURPOSE:To assess the relationship between imaging findings, therapy, and functional outcome in patients with persistent low back pain who are suspected of having herniated nucleus pulposus. MATERIALS AND METHODS:Data collected during a multicenter, longitudinal study were retrospectively analyzed (n = 1,084). Multiva...
journal_title:Radiology
pub_type: 杂志文章,多中心研究
doi:10.1148/radiology.203.3.9169710
更新日期:1997-06-01 00:00:00
abstract:PURPOSE:To develop a noninvasive method for demonstrating the main salivary gland duct systems. MATERIALS AND METHODS:The authors developed a magnetic resonance (MR) imaging protocol that uses a heavily T2-weighted (echo time, 750 msec), fat-suppressed pulse sequence and rapid acquisition with relaxation enhancement. ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.200.1.8657900
更新日期:1996-07-01 00:00:00
abstract::Thirty-two patients with a known primary malignancy and a symptomatic malignant pleural effusion underwent small-bore-catheter thoracostomy and talc pleurodesis. Twenty-three patients (72%) had a complete response; four (12%), a partial response; and five (16%), no response. Symptoms in all those who responded were cl...
journal_title:Radiology
pub_type: 临床试验,杂志文章
doi:10.1148/radiology.210.1.r99dc04277
更新日期:1999-01-01 00:00:00
abstract::Pneumoperitoneum, pneumomediastinum, pneumopericardium and subcutaneous emphysema developed in a patient following simple dental extraction. Other causes of this unusual complication, such as pneumatosis cystoides intestinalis, insufflation of fallopian tubes, pulmonary-peritoneal fistula, post-partum knee-chest exerc...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/15.3.539
更新日期:1975-06-01 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
pub_type: 杂志文章
doi:10.1148/radiology.160.3.3526400
更新日期:1986-09-01 00:00:00
abstract::A 22 gauge "skinny core" (Madayag) biopsy needle, an 18 gauge Menghini needle, and a 14 gauge Tru-cut needle were compared in 51 patients. The Madayag needle was found to have a high recovery rate and provided adequate histological information in a large percentage of cases. However, the larger needles more consistent...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.146.3.6828680
更新日期:1983-03-01 00:00:00
abstract:PURPOSE:To compare the effects on the myometrium of polyvinyl alcohol (PVA) particles and calibrated microspheres (MS) in embolization of the uterine arteries in sheep. MATERIALS AND METHODS:Superselective and bilateral embolization of the uterine arteries was performed with PVA particles and calibrated MS within 24 h...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiol.2242010847
更新日期:2002-08-01 00:00:00
abstract::We believe that a substantial experience demonstrating the effectiveness and safety of infrapopliteal artery PTA has been accumulated. It is clear that the results of tibial PTA and femoropopliteal PTA are closely associated for most patients undergoing limb salvage procedures. Anatomic selection is most important; pa...
journal_title:Radiology
pub_type: 评论,杂志文章,评审
doi:10.1148/radiology.200.1.8657940
更新日期:1996-07-01 00:00:00
abstract:PURPOSE:To evaluate the effect of a reduction in iodine dose by altering volume and/or concentration of contrast material on hepatic contrast enhancement (HCE) values during hepatic helical computed tomography (CT). MATERIALS AND METHODS:One hundred eleven patients were randomized into four contrast material protocols...
journal_title:Radiology
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1148/radiology.197.1.7568860
更新日期:1995-10-01 00:00:00
abstract::Background Traumatic brachial plexus injuries affect 1% of patients involved in major trauma. MRI is the best test for traumatic brachial plexus injuries, although its ability to differentiate root avulsions (which require urgent reconstructive surgery) from other types of nerve injury remains unknown. Purpose To eval...
journal_title:Radiology
pub_type: 杂志文章,meta分析
doi:10.1148/radiol.2019190218
更新日期:2019-10-01 00:00:00
abstract::The appearance of testicular prostheses on magnetic resonance (MR) images was studied in six patients with seven silicone implants: two with a fluid consistency and five that were solid. On T1-weighted images, both types of prosthesis demonstrated homogeneous low signal intensity; on T2-weighted images, the fluid impl...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.173.2.2798890
更新日期:1989-11-01 00:00:00
abstract::The safety of small-caliber firearms in a 1.5-T magnetic resonance (MR) imaging environment was assessed with six handguns, which were unloaded before testing. Each firearm was withdrawn barrel-first to assess the interaction of the magnetic field with the hammer and/or trigger. Two of the six weapons discharged repro...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.193.3.7972840
更新日期:1994-12-01 00:00:00
abstract::To assess the reliability of sonography in the detection of absence of invasion of the carotid artery by tumor, high-resolution ultrasound, surgical, and pathologic findings were prospectively evaluated in 24 patients with disease metastatic to the neck. Sonography performed with 5- and 10-MHz transducers had a sensit...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.171.2.2649920
更新日期:1989-05-01 00:00:00
abstract::The diagnosis of seminal vesicle invasion by prostatic carcinoma is based on observation of foci of relatively decreased signal intensity on T2-weighted magnetic resonance (MR) images. Similar findings were observed in the absence of tumor invasion in nine patients who had recently undergone prostatic needle biopsy. N...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.185.2.1410340
更新日期:1992-11-01 00:00:00
abstract::The chest radiographs of 24 patients with documented Legionnaires' disease were evaluated. Twenty-two of the 24 patients had positive findings for the disease initially. There was unilateral involvement in 68% and the most common lung shadows were poorly marginated round opacities (46%), diffuse patchy (25%) and perip...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/127.3.577
更新日期:1978-06-01 00:00:00
abstract:PURPOSE:To determine the appearance of normal hilar lymph nodes and associated soft tissue at spiral computed tomography (CT). MATERIALS AND METHODS:At spiral CT in 50 healthy patients, peribronchovascular hypoattenuated areas of 42 right and 45 left hila were systematically evaluated. Histologic results were correlat...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.196.2.7617850
更新日期:1995-08-01 00:00:00
abstract::The postnatal outcome of nine patients with the prenatal diagnosis of fetal hydronephrosis is reported. In only three of the nine cases was true obstructive hydronephrosis demonstrated, and in only one of these cases (11%) the patient might have benefited from decompressive surgery at the time of diagnosis of the abno...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.147.1.6828770
更新日期:1983-04-01 00:00:00
abstract::The radiographic demonstration of lymph node involvement in amyloidosis is rare. Of 12 previously reported cases with lymph node enlargement, two also showed calcified nodes. This paper presents two new cases, one of which illustrates previously unreported findings. Recent advances that help to explain the pathogenesi...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.138.1.7455070
更新日期:1981-01-01 00:00:00
abstract:PURPOSE:To characterize the thin-section computed tomographic (CT) appearance of bronchiolitis fibrosa obliterans syndrome in infants and young children after lung transplantation. MATERIALS AND METHODS:Thin-section CT studies in six patients with bronchiolitis obliterans syndrome (age range, 2 months to 5 1/2 years) ...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.208.3.9722860
更新日期:1998-09-01 00:00:00
abstract:PURPOSE:To determine the accuracy of helical computed tomography (CT) without the oral, intravenous, or rectal administration of contrast material in confirming suspected acute appendicitis. MATERIALS AND METHODS:Three hundred consecutive patients referred from the departments of surgery and emergency medicine were ex...
journal_title:Radiology
pub_type: 临床试验,杂志文章
doi:10.1148/radiology.213.2.r99nv44341
更新日期:1999-11-01 00:00:00
abstract::To improve reproducibility in proton magnetic resonance (MR) spectroscopic imaging in human brain, simultaneous acquisition of the internal water reference and metabolite signals was evaluated. Measurements in healthy volunteers showed that the increase in dynamic range from signal oversampling was sufficient to avoid...
journal_title:Radiology
pub_type: 杂志文章
doi:10.1148/radiology.217.1.r00oc36296
更新日期:2000-10-01 00:00:00