Normal anatomical features and variations of bronchial arteries: an analysis with 64-detector-row computed tomographic angiography.

abstract：:The objective of this study was to evaluate the potential utility of a nutritional support formula to serve as a practical means of enhancing the gastrointestinal tract on abdominal MR images. Nutritional support formula (Ensure Plus) was administered to 29 patients prior to abdominal MRI. Standard T1-weighted and T2-...

journal_title：Journal of computer assisted tomography

authors： Mirowitz SA,Susman N

更新日期：1992-11-01 00:00:00

abstract：:A case of Ebstein anomaly in a 2-day-old newborn is presented. The complementary roles of two-dimensional Doppler echocardiography and magnetic resonance imaging in managing this cardiac malformation are emphasized. ...

journal_title：Journal of computer assisted tomography

authors： Kastler B,Livolsi A,Zhu H,Roy E,Zollner G,Dietemann JL

更新日期：1990-09-01 00:00:00

abstract：:Several classification systems for neuroendocrine tumors (NETs) exist, which use variable terminology and criteria for grading and staging. This variability in terminology can cause confusion and difficulty in recognizing which tumors are, in fact, members of this heterogeneous group of malignancies. The largest group...

journal_title：Journal of computer assisted tomography

authors： Jacobs MA,Weinstein S,Hope TA,Aslam R,Yee J,Coakley F

更新日期：2014-11-01 00:00:00

abstract：:A percutaneous adrenal biopsy under CT guidance is described. The biopsy was performed after injection of physiologic saline solution into the paravertebral space, creating a wider pathway for needle insertion. This technique has been previously reported for biopsy of thoracic lesions, but in our case it was used for ...

journal_title：Journal of computer assisted tomography

authors： Karampekios S,Hatjidakis AA,Drositis J,Gourtsoyiannis N

更新日期：1998-03-01 00:00:00

abstract：PURPOSE:Our goal was to assess the utility of different imaging directions in volumetric studies of the heart with MRI, in particular to identify the optimal imaging plane for studies of the right ventricle. METHOD:We examined 12 sets of human four-chamber cadaveric cardiac casts. Gradient echo MRI was performed in fo...

journal_title：Journal of computer assisted tomography

authors： Jauhiainen T,Järvinen VM,Hekali PE,Poutanen VP,Penttilä A,Kupari M

更新日期：1998-11-01 00:00:00

abstract：:The magnetic resonance (MR) cine display of flexion and extension (F/E) manoeuvres in the cervical spine has proved useful in the evaluation of cord compression due to bone and joint instability, spondylosis, and multiple tumours. It has advantages over X-ray F/E and CT myelography in that it is noninvasive and produc...

journal_title：Journal of computer assisted tomography

authors： Condon BR,Hadley DM

更新日期：1988-11-01 00:00:00

abstract：:Although acute appendicitis is the most common disease of the appendix, the appendix can be involved by a wide range of diseases. Diseases other than acute appendicitis may produce signs and symptoms indistinguishable from those of acute appendicitis. Computed tomography (CT) can provide important information for diag...

journal_title：Journal of computer assisted tomography

authors： Chiou YY,Pitman MB,Hahn PF,Kim YH,Rhea JT,Mueller PR

更新日期：2003-05-01 00:00:00

abstract：OBJECTIVE:The objective of this study was to evaluate image quality of computed tomography (CT) portal venography using nonlinear blending technique of dual-energy CT (DECT) in portal phase. METHODS:Fifty patients underwent contrast-enhanced abdominal scan with DECT at portal venous phase. The images of 2 energy level...

journal_title：Journal of computer assisted tomography

authors： Wang Q,Shi G,Liu X,Wu R,Wang S

更新日期：2013-03-01 00:00:00

abstract：OBJECTIVE:The aim of the present study was to assess the value of dual-head gamma-camera (DHGC) imaging in the coincidence mode using 2-[18F]-fluoro-2-deoxy-D-glucose in differentiating recurrent tumor from posttreatment changes in previously treated head and neck cancer. METHODS:This was a single-center prospective s...

journal_title：Journal of computer assisted tomography

authors： Gandhi D,Falen S,McCartney W,Shockley W,Weissler M,Wrenn S,Shah G,Mukherji SK

更新日期：2005-07-01 00:00:00

abstract：:Urachal carcinoma arises in the clinically silent extraperitoneal space between the bladder apex and the umbilicus. Computed tomography was used to correctly diagnose and stage urachal cancer in two patients. In one case a mass was localized to the bladder wall and immediate juxtavesical region; in the other case an a...

journal_title：Journal of computer assisted tomography

authors： Korobkin M,Cambier L,Drake J

更新日期：1988-11-01 00:00:00

abstract：OBJECTIVE:To illustrate the techniques and the MRI appearance of meniscal transplants. MATERIALS AND METHODS:Three patients underwent MRI of the knee between 2 weeks and 14 months after meniscal transplantation. RESULTS:Although postoperative artifacts were present, in all three patients the position, signal intensit...

journal_title：Journal of computer assisted tomography

authors： Patten RM,Rolfe BA

更新日期：1995-03-01 00:00:00

abstract：:The diagnosis of abdominal actinomycosis is difficult because of its relative infrequency and imitation of other diseases. We present four cases in which these difficulties in diagnosis were experienced and show the utility of CT in suggesting this disease. Aspiration, biopsy, and proper culture technique, in conjunct...

journal_title：Journal of computer assisted tomography

authors： Shah HR,Williamson MR,Boyd CM,Balachandran S,Angtuaco TL,McConnell JR

更新日期：1987-05-01 00:00:00

abstract：:Pick's disease is a rare cause of dementia. It often shows a characteristic pattern of atrophy affecting primarily the anterior portions of the frontal and temporal lobes. This pattern, as shown by computed tomography, may suggest the diagnosis. ...

journal_title：Journal of computer assisted tomography

authors： McGeachie RE,Fleming JO,Sharer LR,Hyman RA

更新日期：1979-02-01 00:00:00

abstract：:A case of external jugular venous thrombosis secondary to misplacement of central venous catheter is presented. The CT findings included enlargement of the external jugular vein, central thrombosis, and vessel wall enhancement. Computed tomography is an excellent noninvasive modality for the evaluation of suspected ve...

journal_title：Journal of computer assisted tomography

authors： Fishman EK,Gayler BW,Magid D,Siegelman SS

更新日期：1985-05-01 00:00:00

abstract：OBJECTIVE:To assess the degree of extra scanning beyond the prescribed anatomic boundaries for thoracic and body computed tomographic (CT) scans and to identify associated factors. METHODS:For 442 consecutive chest, abdomen, and/or pelvis CT examinations, the length of extra scanning beyond the prescribed anatomic bou...

journal_title：Journal of computer assisted tomography

authors： Liao EA,Quint LE,Goodsitt MM,Francis IR,Khalatbari S,Myles JD

更新日期：2011-01-01 00:00:00

abstract：:In 95% of cases, computed tomography (CT) enables the articular capsule of the hip joint to be directly visualized. Articular effusion in the hip joint can also be recognized in the CT image. In inflammatory arthritis and active osteoarthrosis of the hip joint, thickening of the articular capsule or articular effusion...

journal_title：Journal of computer assisted tomography

authors： Dihlmann W,Nebel G

更新日期：1983-04-01 00:00:00

abstract：:Magnetic resonance is recognized as potentially the best imaging procedure for localization in stereotactic neurosurgery. However, special difficulties necessitate specific adaptation to localize targets in the stereotactic frame. We developed a new method for stereotactic localization. The MR studies were performed u...

journal_title：Journal of computer assisted tomography

authors： Rousseau J,Clarysse P,Blond S,Gibon D,Vasseur C,Marchandise X

更新日期：1991-03-01 00:00:00

abstract：PURPOSE:The purpose of this study was to investigate the noninvasive quantification of coronary artery stenosis using cardiac software packages and vessel phantoms with known stenosis severity. MATERIALS AND METHODS:Four different sizes of vessel phantoms were filled with contrast agent and scanned on a 64-slice multi...

journal_title：Journal of computer assisted tomography

authors： Dikkers R,Willems TP,de Jonge GJ,Marquering HA,Greuter MJ,van Ooijen PM,van der Weide MC,Oudkerk M

更新日期：2009-07-01 00:00:00

abstract：OBJECTIVE:The dimensions of the optic nerves, chiasm, and tracts were determined in normal patients and in patients with clinical evidence of optic atrophy to establish whether there was a significant difference between the two groups. MATERIALS AND METHODS:The authors analyzed thin section coronal MRI of 110 patients...

journal_title：Journal of computer assisted tomography

authors： Parravano JG,Toledo A,Kucharczyk W

更新日期：1993-09-01 00:00:00

abstract：OBJECTIVES:To assess intraobserver and interobserver variability in cardiac computed tomographic measurements of global biventricular function, left ventricular (LV) regional wall motion, systolic wall thickening, and first pass perfusion in 3 patient cohorts at very low, low to intermediate, and intermediate to high c...

journal_title：Journal of computer assisted tomography

authors： Nicol ED,Stirrup J,Roughton M,Padley SP,Rubens MB

更新日期：2009-03-01 00:00:00

abstract：:Compressive sensing (CS)-based interior tomography is a state-of-the-art method for accurate image reconstruction from only locally truncated projections. Here, we report our preliminary interior tomography results reconstructed from raw projections of a patient acquired on a GE Discovery CT750 HD scanner. This is the...

journal_title：Journal of computer assisted tomography

authors： Yu H,Wang G,Hsieh J,Entrikin DW,Ellis S,Liu B,Carr JJ

更新日期：2011-11-01 00:00:00

abstract：:Fifty-two computed tomography examinations through the region of the pancreas were retrospectively analyzed to determine if marked stomach distension influenced the visualization of the pancreatic tail. Of the 29 patients who had marked stomach distension, 25 (86%) had displacement of small bowel loops away from the v...

journal_title：Journal of computer assisted tomography

authors： Stuck KJ,Kuhns LR

更新日期：1981-08-01 00:00:00

abstract：:Diffuse low attenuation lesions on CT scans are caused by various pathologic conditions, especially differences of the intratumoral matrix. Low attenuation on CT scans was more defined than fat density and less than muscle density, the so-called near water density. We present representative cases of low attenuation le...

journal_title：Journal of computer assisted tomography

authors： Miyake H,Hori Y,Dono S,Mori H

更新日期：2000-09-01 00:00:00

abstract：:We conducted a prospective evaluation of the normal vermiform appendix in 203 patients. Conventional CT techniques were utilized with an 8 mm slice thickness and 10 mm slice interval. The normal appendix was definitely identified in 51% of the patients studied. Computed tomographic appearance of the normal appendix is...

journal_title：Journal of computer assisted tomography

authors： Grosskreutz S,Goff WB 2nd,Balsara Z,Burkhard TK

更新日期：1991-07-01 00:00:00

abstract：:This is a comparison of the ability of two quantitative magnetic resonance (MR) indices: (a) the second echo signal drop (SESD) (a simplified index of T2 relaxation times that we have developed); and (b) the previously described lesion/liver signal intensity ratio (LLR) to provide histologic diagnosis in hepatic lesio...

journal_title：Journal of computer assisted tomography

authors： Mirowitz SA,Lee JK,Heiken JP

更新日期：1990-03-01 00:00:00

abstract：:The unusual CT appearances of a renal neoplasm, which we have described as a "focal" obstructive nephrogram secondary to transitional cell carcinoma, is reported. An explanation of the appearance is postulated. ...

journal_title：Journal of computer assisted tomography

authors： Breatnach ES,Stanley RJ,Lloyd K

更新日期：1984-10-01 00:00:00

abstract：PURPOSE:The aim of this study was to evaluate the diagnostic accuracy and complication rates of a side-exiting coaxial needle system for fine needle aspiration (FNA) biopsies. METHOD:Between 1995 and 1998, 127 nonconsecutive biopsies were performed on 122 patients (74 males, 48 females). CT guidance was used in 111, u...

journal_title：Journal of computer assisted tomography

authors： Broderick LS,Kopecky KK,Cramer H

更新日期：2002-03-01 00:00:00

abstract：OBJECTIVE:To test the hypothesis that a calibration phantom would improve interpatient and interscan variability in coronary artery calcium (CAC) studies. METHODS:We scanned 144 patients twice with or without the calibration phantom and then scanned 93 patients with a single calcific lesion twice and, finally, scanned...

journal_title：Journal of computer assisted tomography

authors： Budoff MJ,Mao S,Lu B,Takasu J,Child J,Carson S,Fisher H

更新日期：2002-11-01 00:00:00

abstract：OBJECTIVE:MRI offers many opportunities for noninvasive in vivo measurement of structure-function relationships in the human brain. Although automated methods are now available for whole-brain measurements, an efficient and valid automatic method for volume estimation of subregions such as the frontal or temporal lobes...

journal_title：Journal of computer assisted tomography

authors： Andreasen NC,Rajarethinam R,Cizadlo T,Arndt S,Swayze VW 2nd,Flashman LA,O'Leary DS,Ehrhardt JC,Yuh WT

更新日期：1996-01-01 00:00:00

abstract：PURPOSE:The objectives of the study were to analyze the tumor shrinkage pattern on magnetic resonance imaging (MRI) after neoadjuvant chemotherapy and to evaluate whether there is any difference in shrinkage pattern between pathological responder and nonresponder groups. In addition, we wanted to compare tumor diameter...

journal_title：Journal of computer assisted tomography

authors： Kim TH,Kang DK,Yim H,Jung YS,Kim KS,Kang SY

更新日期：2012-03-01 00:00:00