Duplex ultrasound imaging: vascular applications.

abstract：:The role of adrenocortical scintigraphy in the evaluation of unilateral adrenal masses detected with computed tomography (CT) in 28 oncologic patients with normal adrenal function was studied prospectively with the use of NP-59 (iodine-131-6-iodomethyl-19-norcholesterol). The diagnosis was proved by means of percutane...

journal_title：Radiology

authors： Francis IR,Smid A,Gross MD,Shapiro B,Naylor B,Glazer GM

更新日期：1988-02-01 00:00:00

abstract：:The importance of axillary node status in the prognosis of breast cancer led the authors to conduct a prospective study comparing the value of clinical examination with ultrasound (US) performed by a transpectoral approach. All 60 patients examined underwent axillary dissection. Sensitivity was 45.4% for clinical exam...

journal_title：Radiology

authors： Bruneton JN,Caramella E,Héry M,Aubanel D,Manzino JJ,Picard JL

更新日期：1986-02-01 00:00:00

abstract：:We describe a patient who had cryptosporidiosis and cytomegalovirus infection of the gastric antrum that was initially detected on computed tomography (CT) scans. CT may be useful in the evaluation of immunocompromised patients with diarrheal illness, as well as in the assessment of the gastrointestinal tract. ...

journal_title：Radiology

authors： Soulen MC,Fishman EK,Scatarige JC,Hutchins D,Zerhouni EA

更新日期：1986-06-01 00:00:00

abstract：PURPOSE:To determine whether the Wallstent endoluminal prosthesis can be used to maintain patency of venous stenoses and occlusions related to hemodialysis access. MATERIALS AND METHODS:Wallstents were placed in 52 patients with 56 lesions. Thirty-two lesions were in central veins and 24 were in peripheral veins. Sten...

journal_title：Radiology

authors： Gray RJ,Horton KM,Dolmatch BL,Rundback JH,Anaise D,Aquino AO,Currier CB,Light JA,Sasaki TM

更新日期：1995-05-01 00:00:00

abstract：:Both carotid bifurcations were examined in 353 patients over a 20-month interval using a combination of real-time and pulsed Doppler ultrasound (duplex scanning). Angiographic correlation was available in 72 cases. Stenosis of the internal carotid was evaluated using a Doppler input frequency of 5 MHz and a scan angle...

journal_title：Radiology

authors： Jacobs NM,Grant EG,Schellinger D,Byrd MC,Richardson JD,Cohan SL

更新日期：1985-02-01 00:00:00

abstract：:We present the results of a study on the value of ultrasound in the detection of metastasis to the cervical lymph nodes in connection with cancer of the ear, nose, and throat. Comparison of clinical, ultrasound, and histological findings for 100 patients who underwent surgery revealed that clinical examination had a s...

journal_title：Radiology

authors： Bruneton JN,Roux P,Caramella E,Demard F,Vallicioni J,Chauvel P

更新日期：1984-09-01 00:00:00

abstract：:Purpose To validate accuracy of diagnosis of developmental dysplasia of the hip (DDH) from geometric properties of acetabular shape extracted from three-dimensional (3D) ultrasonography (US). Materials and Methods In this retrospective multi-institutional study, 3D US was added to conventional two-dimensional (2D) US ...

journal_title：Radiology

authors： Zonoobi D,Hareendranathan A,Mostofi E,Mabee M,Pasha S,Cobzas D,Rao P,Dulai SK,Kapur J,Jaremko JL

更新日期：2018-06-01 00:00:00

abstract：:Seventy-five spot compression views of equivocally suspicious lesions detected at routine mammographic examination of 72 women were reviewed in this retrospective study. Sixty-five of the 75 lesions appeared less suspicious on spot compression views, two did not change, and eight appeared more suspicious. Biopsy findi...

journal_title：Radiology

authors： Berkowitz JE,Gatewood OM,Gayler BW

更新日期：1989-05-01 00:00:00

abstract：:Real-time ultrasonography was useful in differentiating tumor from syringohydromyelia as the cause of cervical cord widening in four patients. Those with syringohydromyelia had a smooth, regular, cystic space located symmetrically in the spinal cord. Tumor appeared as an echogenic, hypoechoic, or cystic expansile lesi...

journal_title：Radiology

authors： Hutchins WW,Vogelzang RL,Neiman HL,Fuld IL,Kowal LE

更新日期：1984-04-01 00:00:00

abstract：:Osteoid osteoma is a benign, self-limited tumor of bone that usually requires surgical excision for relief of pain and to prevent long-term consequences. Radio-frequency electrodes have been successfully and safely used to ablate small areas of the central nervous system and to perform ablation elsewhere in the body. ...

journal_title：Radiology

authors： Rosenthal DI,Alexander A,Rosenberg AE,Springfield D

更新日期：1992-04-01 00:00:00

abstract：PURPOSE:To investigate the feasibility of breast tissue characterization in terms of water, lipid, and protein contents with a spectral computed tomographic (CT) system based on a cadmium zinc telluride (CZT) photon-counting detector by using postmortem breasts. MATERIALS AND METHODS:Nineteen pairs of postmortem breas...

journal_title：Radiology

authors： Ding H,Klopfer MJ,Ducote JL,Masaki F,Molloi S

更新日期：2014-09-01 00:00:00

abstract：PURPOSE:To determine the enhancement patterns of the penis at magnetic resonance (MR) imaging. MATERIALS AND METHODS:Sequential contrast material-enhanced MR images of the penis in a flaccid state were obtained in 16 volunteers (12 with normal penile function and four with erectile dysfunction). RESULTS:Subjects with...

journal_title：Radiology

authors： Kaneko K,De Mouy EH,Lee BE

更新日期：1994-04-01 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：PURPOSE:To evaluate use of positron emission tomography (PET) versus computed tomography (CT) in detection of pancreatic cancer and determine the value of quantitative and visual image interpretation of these techniques. MATERIALS AND METHODS:Within 8 weeks before surgery, 73 patients with suspected pancreatic cancer ...

journal_title：Radiology

authors： Stollfuss JC,Glatting G,Friess H,Kocher F,Berger HG,Reske SN

更新日期：1995-05-01 00:00:00

abstract：PURPOSE:To retrospectively investigate whether the signal intensity (SI) of prostate cancer on T2-weighted magnetic resonance (MR) images correlates with the Gleason grade at whole-mount step-section pathologic evaluation after radical prostatectomy. MATERIALS AND METHODS:The institutional review board approved and is...

journal_title：Radiology

authors： Wang L,Mazaheri Y,Zhang J,Ishill NM,Kuroiwa K,Hricak H

更新日期：2008-01-01 00:00:00

abstract：:Color Doppler imaging (CDI) can demonstrate the relative direction and velocity of blood flow in color, superimposed on a conventional gray-scale ultrasound image that depicts stationary tissue. Twenty-five infants were studied with portable CDI in the coronal, sagittal, and axial planes. Bilateral antegrade flow was ...

journal_title：Radiology

authors： Mitchell DG,Merton D,Needleman L,Kurtz AB,Goldberg BB,Levy D,Rifkin MD,Pennell RG,Vilaro M,Baltarowich O

更新日期：1988-05-01 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 evaluate the accuracy of technetium-99m sestamibi as a single agent in the detection and localization of hyperfunctioning parathyroid tissue in patients who underwent prior neck exploration or who otherwise are high surgical risks. MATERIALS AND METHODS:Thirty-nine patients with hyperparathyroidism underwen...

journal_title：Radiology

authors： Lee VS,Wilkinson RH Jr,Leight GS Jr,Coogan AC,Coleman RE

更新日期：1995-12-01 00:00:00

abstract：PURPOSE:To show that prospective electrocardiographically (ECG)-triggered coronary computed tomographic (CT) angiography (hereafter, prospective CT angiography) is at least as effective as retrospective ECG-gated coronary CT angiography (hereafter, retrospective CT angiography). MATERIALS AND METHODS:Institutional rev...

journal_title：Radiology

authors： Hirai N,Horiguchi J,Fujioka C,Kiguchi M,Yamamoto H,Matsuura N,Kitagawa T,Teragawa H,Kohno N,Ito K

更新日期：2008-08-01 00:00:00

abstract：PURPOSE:To evaluate the effect of dual-source parallel radiofrequency (RF) transmission with patient-adaptive local RF shimming on image quality, image contrast, and diagnostic confidence at routine clinical cardiac magnetic resonance (MR) imaging with use of a 3.0-T dual-channel transmit whole-body MR system. MATERIA...

journal_title：Radiology

authors： Mueller A,Kouwenhoven M,Naehle CP,Gieseke J,Strach K,Willinek WA,Schild HH,Thomas D

更新日期：2012-04-01 00:00:00

abstract：PURPOSE:To evaluate the diffusion-weighted (DW) imaging characteristics of nonmalignant lesion subtypes assessed as false-positive findings at conventional breast magnetic resonance (MR) imaging. MATERIALS AND METHODS:This HIPAA-compliant retrospective study had institutional review board approval, and the need for in...

journal_title：Radiology

authors： Parsian S,Rahbar H,Allison KH,Demartini WB,Olson ML,Lehman CD,Partridge SC

更新日期：2012-12-01 00:00:00

abstract：:In real-time ultrasound examinations of six women, jets of urine were noted to enter the bladder during the filling phase. The jets appeared at irregular intervals, and each jet lasted from a fraction of a second up to three seconds. The ureters functioned independently of each other. The flow characteristics of the u...

journal_title：Radiology

authors： Dubbins PA,Kurtz AB,Darby J,Goldberg BB

更新日期：1981-08-01 00:00:00

abstract：PURPOSE:To identify opportunities for improving patient-centered communication about diagnostic imaging tests that involve the use of radiation in a cancer care setting. MATERIALS AND METHODS:Institutional review board approval and informed consent were obtained for this HIPAA-compliant study. Patient knowledge, infor...

journal_title：Radiology

authors： Thornton RH,Dauer LT,Shuk E,Bylund CL,Banerjee SC,Maloney E,Fox LB,Beattie CM,Hricak H,Hay J

更新日期：2015-05-01 00:00:00

abstract：PURPOSE:To determine whether spinal cord atrophy differs among disease subtypes in multiple sclerosis (MS) and whether it offers diagnostic and clinical correlative information beyond that provided by other magnetic resonance (MR) imaging markers. MATERIALS AND METHODS:The institutional review board approved the study...

journal_title：Radiology

authors： Lukas C,Sombekke MH,Bellenberg B,Hahn HK,Popescu V,Bendfeldt K,Radue EW,Gass A,Borgwardt SJ,Kappos L,Naegelin Y,Knol DL,Polman CH,Geurts JJ,Barkhof F,Vrenken H

更新日期：2013-11-01 00:00:00

abstract：:Adjuvant chemotherapy prolongs the survival of patients with high-grade osteosarcoma. Preoperative chemotherapy allows identification of effective agents for adjuvant chemotherapy based on response of the primary tumor. Preoperative determination of tumor response has therapeutic implications, and angiography offers a...

journal_title：Radiology

authors： Carrasco CH,Charnsangavej C,Raymond AK,Richli WR,Wallace S,Chawla SP,Ayala AG,Murray JA,Benjamin RS

更新日期：1989-03-01 00:00:00

abstract：PURPOSE:To assess the feasibility of automatic needle-guide tracking by using a real-time phase-only cross correlation ( POCC phase-only cross correlation ) algorithm-based sequence for transrectal 3-T in-bore magnetic resonance (MR)-guided prostate biopsies. MATERIALS AND METHODS:This study was approved by the ethics...

journal_title：Radiology

authors： Zamecnik P,Schouten MG,Krafft AJ,Maier F,Schlemmer HP,Barentsz JO,Bock M,Fütterer JJ

更新日期：2014-12-01 00:00:00

abstract：PURPOSE:To investigate the potential application of contrast material-enhanced three-dimensional (3D) ultrasonography (US), as compared with contrast-enhanced 3D computed tomography (CT), for characterization of focal liver tumors. MATERIALS AND METHODS:Institutional review board approval and informed patient consent ...

journal_title：Radiology

authors： Luo W,Numata K,Morimoto M,Kondo M,Takebayashi S,Okada M,Morita S,Tanaka K

更新日期：2009-04-01 00:00:00

abstract：:Extracranial duplication of the vertebral artery was demonstrated angiographically on both sides in a patient with postmeningitis hydrocephalus and in another with hemangioblastoma. Forty-six cases of this anomaly are reviewed. ...

journal_title：Radiology

authors： Kowada M,Kikuchi K

更新日期：1979-05-01 00:00:00

abstract：:In diagnostic radiology, the routine measurement of exposure levels for a reference patient is an important part of an effective quality assurance program. In the United States, chest radiography is the most frequent examination and has the lowest exposure level of all radiologic examinations. We estimated the amount ...

journal_title：Radiology

authors： Butler PF,Conway BJ,Suleiman OH,Koustenis GH,Showalter CK

更新日期：1985-08-01 00:00:00

abstract：PURPOSE:To retrospectively examine the diagnostic values of individual parameters obtained from unenhanced and 35-second and 5-minute contrast material-enhanced (enhanced) computed tomography (CT) in distinguishing adenomas, particularly lipid-poor adenomas, from nonadenomas and to determine the best diagnostic method ...

journal_title：Radiology

authors： Kamiyama T,Fukukura Y,Yoneyama T,Takumi K,Nakajo M

更新日期：2009-02-01 00:00:00