Assessment of breast cancer recurrence with contrast-enhanced subtraction MR imaging: preliminary results in 26 patients.

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

authors： Remy-Jardin M,Duyck P,Remy J,Petyt L,Wurtz A,Mensier E,Copin MC,Riquet M

更新日期：1995-08-01 00:00:00

abstract：:Background Water signal contamination is a major challenge for direct ultrashort echo time (UTE) imaging of myelin in vivo because water contributes most of the signals detected in white matter. Purpose To validate a new short repetition time (TR) adiabatic inversion recovery (STAIR) prepared UTE (STAIR-UTE) sequence ...

journal_title：Radiology

authors： Ma YJ,Jang H,Wei Z,Cai Z,Xue Y,Lee RR,Chang EY,Bydder GM,Corey-Bloom J,Du J

更新日期：2020-11-01 00:00:00

abstract：PURPOSE:To retrospectively determine and compare the sensitivity and specificity of unenhanced and contrast material-enhanced computed tomography (CT) (reference standard) in the diagnosis of brain abnormalities and to evaluate any change in diagnosis that resulted from the contrast-enhanced study. MATERIALS AND METHO...

journal_title：Radiology

authors： Branson HM,Doria AS,Moineddin R,Shroff MM

更新日期：2007-09-01 00:00:00

abstract：:An anomalous branch of the cavernous carotid artery, not reported previously, is described. Its appearance and distribution were unlike those of any known cavernous branch, originating at the level where the trigeminal artery is usually found but having no communication with the basilar artery. Its distribution approx...

journal_title：Radiology

authors： Scotti G

更新日期：1975-07-01 00:00:00

abstract：:BackgroundMethylphenidate (MPH) is highly effective in treating attention-deficit/hyperactivity disorder (ADHD). However, not much is known about its effect on the development of human brain white matter (WM).PurposeTo determine whether MPH modulates WM microstructure in an age-dependent fashion in a randomized double...

journal_title：Radiology

authors： Bouziane C,Filatova OG,Schrantee A,Caan MWA,Vos FM,Reneman L

更新日期：2019-10-01 00:00:00

abstract：:Isolated skin calcifications can be mistaken for intramammary clustered microcalcifications. Confirmation of the dermal location of benign skin deposits will avoid unnecessary biopsy procedures. ...

journal_title：Radiology

authors： Kopans DB,Meyer JE,Homer MJ,Grabbe J

更新日期：1983-11-01 00:00:00

abstract：:The mammograms of 86 women under the age of 50 years with mammographically detected cancers were reviewed. Sixty-three of these cancers (73%) were found at the periphery of the breast as defined by a zone 1 cm wide beneath the subcutaneous fat or anterior to the retromammary fat. This finding is likely due to the geom...

journal_title：Radiology

authors： Stacey-Clear A,McCarthy KA,Hall DA,Pile-Spellman E,White G,Hulka CA,Whitman GJ,Halpern EF,Kopans DB

更新日期：1993-03-01 00:00:00

abstract：:During a test of the ability to classify the profusion characteristics of pneumoconiosis recorded in chest radiographs, a constant decision criterion level needs to be maintained or false conclusions regarding the observer's receiver operating characteristic (ROC) curve may result. ...

journal_title：Radiology

authors： Goodenough DJ

更新日期：1975-02-01 00:00:00

abstract：PURPOSE:To investigate the value of viscosity measured with ultrasonographic (US) elastography in liver fibrosis staging and to determine whether the use of a viscoelastic model to estimate liver elasticity can improve its accuracy in fibrosis staging. MATERIALS AND METHODS:The study, which was performed from February...

journal_title：Radiology

authors： Chen S,Sanchez W,Callstrom MR,Gorman B,Lewis JT,Sanderson SO,Greenleaf JF,Xie H,Shi Y,Pashley M,Shamdasani V,Lachman M,Metz S

更新日期：2013-03-01 00:00:00

abstract：PURPOSE:To describe imaging features of tuberculous tenosynovitis and bursitis with various imaging methods. MATERIALS AND METHODS:Twenty-one patients with surgically and/or pathologically proved tuberculosis of the tendon sheaths or bursae were evaluated. Routine radiography, arthrography, computed tomography (CT), a...

journal_title：Radiology

authors： Jaovisidha S,Chen C,Ryu KN,Siriwongpairat P,Pekanan P,Sartoris DJ,Resnick D

更新日期：1996-11-01 00:00:00

abstract：:The authors describe the value of computed tomographic (CT) guidance for percutaneous gastrostomy (PG) or gastroenterostomy (PGE) in 22 patients with anatomic or pathologic difficulties precluding fluoroscopic guidance. Indications for PG or PGE were decompression for gastrointestinal obstruction (n = 15) or for feedi...

journal_title：Radiology

authors： Sanchez RB,vanSonnenberg E,D'Agostino HB,Goodacre BW,Moyers P,Casola G

更新日期：1992-07-01 00:00:00

abstract：PURPOSE:To retrospectively evaluate whether dynamic contrast agent-enhanced (DCE) magnetic resonance (MR) imaging parameters assessed by a computer-aided evaluation program are associated with recurrence-free and overall survival in breast cancer patients who received neoadjuvant chemotherapy (NAC). MATERIALS AND METH...

journal_title：Radiology

authors： Yi A,Cho N,Im SA,Chang JM,Kim SJ,Moon HG,Han W,Park IA,Noh DY,Moon WK

更新日期：2013-09-01 00:00:00

abstract：:Ten patients with presacral tumors proved by histologic and computed-tomographic investigations underwent ultrasound scanning. The sound beam was directed through the ischial foramen along longitudinal, transverse, and oblique planes. Nine of 10 tumors localized in the sacral fossa were identified sonographically. In ...

journal_title：Radiology

authors： Heckemann R,Wernecke K,Hezel J,Magnus L

更新日期：1983-05-01 00:00:00

abstract：:Ultrasonic features of 21 surgically confirmed pyogenic liver abscesses in 18 patients were analyzed. Typical lesions were round or ovoid with a discrete, irregular, echo-poor margin. The number and intensity of internal echoes and sound transmission were variable. Such lesions can be aspirated percutaneously for defi...

journal_title：Radiology

authors： Newlin N,Silver TM,Stuck KJ,Sandler MA

更新日期：1981-04-01 00:00:00

abstract：:A prospective study had demonstrated the clinical usefulness of water-delay ultrasound as a means of routinely imaging the intracranial contents in infants younger than one year of age. Correlation between ultrasound and CT images was excellent, showing both normal and pathological anatomy. This technique is most help...

journal_title：Radiology

authors： Haber K,Wachter RD,Christenson PC,Vaucher Y,Sahn DJ,Smith JR

更新日期：1980-01-01 00:00:00

abstract：:The diagnostic accuracy of both planar and single-photon emission computed tomography (SPECT) bone scintigraphy, radionuclide angiography, arthrography, and conventional radiography was evaluated in 36 patients with temporomandibular joint (TMJ) dysfunction undergoing preoperative testing. The sensitivity of SPECT bon...

journal_title：Radiology

authors： Collier BD,Carrera GF,Messer EJ,Ryan DE,Gingrass D,Angell D,Palmer DW,Isitman AT,Hellman RS

更新日期：1983-11-01 00:00:00

abstract：:Forty hepatic abscesses were examined with dynamic computed tomography (CT). A "double target sign," consisting of a hypodense central area surrounded by first a hyperdense ring and then a hypodense zone, seems to be highly suggestive of abscess formation. In 12 cases, the hepatic parenchyma surrounding the lesion dem...

journal_title：Radiology

authors： Mathieu D,Vasile N,Fagniez PL,Segui S,Grably D,Lardé D

更新日期：1985-03-01 00:00:00

abstract：:Cranial magnetic resonance (MR) imaging was performed in 38 pregnant and postpartum women and 30 nonpregnant age-matched control subjects to establish standards for pituitary gland size and shape during this period. Gland height and infundibulum width were measured on midline T1-weighted sagittal images. Gland convexi...

journal_title：Radiology

authors： Elster AD,Sanders TG,Vines FS,Chen MY

更新日期：1991-11-01 00:00:00

abstract：:Stereotactic core biopsy washings and blood drop samples, routinely discarded by-products, provide satisfactory fresh cellular material for flow cytometry and molecular genetics microsatellite polymerase chain reaction (PCR) analysis for detection of loss of DNA alleles (loss of heterozygosity). Cytokeratin-positive (...

journal_title：Radiology

authors： Stomper PC,Stewart CC,Stoler DL

更新日期：2001-03-01 00:00:00

abstract：:In a series of 30 patients, barium enema examination of the colon was performed via a remote controlled air and contrast media inflator. With this apparatus, introduction and elimination of air and barium into the colon can be accomplished at a freely adjustable rate of injection by remote control. Fluoroscopy time is...

journal_title：Radiology

authors： Hisamichi S,Masuda Y,Shirane A,Sugawara N,Gomi T,Oshiba S

更新日期：1977-11-01 00:00:00

abstract：:Corticosteroids and local anesthetics are some of the most commonly administered medications in radiology departments. These medications have marked variability in their formulations, which may increase their adverse event profile for specific procedures. In particular, certain corticosteroid preparations are associat...

journal_title：Radiology

authors： MacMahon PJ,Eustace SJ,Kavanagh EC

更新日期：2009-09-01 00:00:00

abstract：:In his review of the AAPM statement on ultrasound, the author feels that allowing "some" research or demonstration on normal persons in the face of cautionary statements on as yet unknown side effects is an inconsistent position. The use of videotapes and the development of simulators hacked by data banks are offered...

journal_title：Radiology

authors： Gramiak R

更新日期：1975-09-01 00:00:00

abstract：:Fifty-five liver metastases in 21 patients were treated with interstitial laser photocoagulation (ILP). Tumors were irradiated with a neodymium yttrium aluminum garnet laser via optical fibers passed through 19-gauge needles inserted under ultrasound (US) guidance. Heating of the tumor was evident at real-time US as a...

journal_title：Radiology

authors： Amin Z,Donald JJ,Masters A,Kant R,Steger AC,Bown SG,Lees WR

更新日期：1993-05-01 00:00:00

abstract：:Manganese (II) N,N'-dipyridoxylethylenediamine-N,N'-diacetate 5,5'-bis(phosphate) (DPDP) was tested as a contrast agent for magnetic resonance imaging of pancreatic adenocarcinoma in 15 patients. At enhanced T1-weighted spin-echo (SE) and enhanced T1-weighted gradient-echo (GRE) imaging, statistically significant incr...

journal_title：Radiology

authors： Gehl HB,Urhahn R,Bohndorf K,Klever P,Hauptmann S,Lodemann KP,Matern S,Schumpelick V,Günther RW

更新日期：1993-03-01 00:00:00

abstract：:Extracranial applications of diffusion-weighted (DW) magnetic resonance (MR) imaging are gaining increasing importance, including in head and neck radiology. The main indications for performing DW imaging in this relatively small but challenging region of the body are tissue characterization, nodal staging, therapy mo...

journal_title：Radiology

authors： Thoeny HC,De Keyzer F,King AD

更新日期：2012-04-01 00:00:00

abstract：:The records of 71 patients with adenoid cystic carcinoma of the salivary glands were reviewed to determine the dose response relationships for this aggressive tumor. Local control after treatment was determined for all patients and analyzed with respect to extent of surgery and dose of radiation. Of 70 patients who we...

journal_title：Radiology

authors： Simpson JR,Thawley SE,Matsuba HM

更新日期：1984-05-01 00:00:00

abstract：PURPOSE:To evaluate the feasibility of micro-computed tomography (CT) for analysis of the lung fine structure and its alterations during endotoxin-induced lung injury. MATERIALS AND METHODS:Intravital perfusion-fixed rat lungs with (n = 5) and without (n = 5) endotoxin perfusion were scanned with micro-CT. Three imagi...

journal_title：Radiology

authors： Langheinrich AC,Leithäuser B,Greschus S,Von Gerlach S,Breithecker A,Matthias FR,Rau WS,Bohle RM

更新日期：2004-10-01 00:00:00

abstract：PURPOSE:To assess the ability of an extravasation detection accessory (EDA) to detect clinically important (> or = 10 mL) extravascular injection of iodinated contrast material delivered with an automated power injector. MATERIALS AND METHODS:Five hundred patients referred for contrast material-enhanced body computed ...

journal_title：Radiology

authors： Birnbaum BA,Nelson RC,Chezmar JL,Glick SN

更新日期：1999-08-01 00:00:00

abstract：:Phantom studies were performed to develop a technique for linear tomography of the craniocervical junction with a digital fluoroscopic angiographic C-arm unit. Section thicknesses were similar to those used at conventional tomography, and the radiation dose was lower. C-arm tomography was possible with a 6-second expo...

journal_title：Radiology

authors： Ridpath CA,Wilson AJ,Langer SG,Mann FA,Hunter JC

更新日期：1999-06-01 00:00:00

abstract：:Calcifications located in the dermis of the breast may appear indistinguishable from intramammary calcifications. The authors present a sign, called the tattoo sign, that can help radiologists identify dermal calcifications. When mammograms are compared, calcifications that maintain a fixed relationship to each other ...

journal_title：Radiology

authors： Homer MJ,D'Orsi CJ,Sitzman SB

更新日期：1994-07-01 00:00:00