Automated segmentation method for spinal column based on a dual elliptic column model and its application for virtual spinal straightening.

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：:Primary adrenal lymphoma is extremely rare. We describe 2 patients who presented with adrenal insufficiency or fever 'of unknown origin. Conventional imaging studies demonstrated bilateral bulky adrenal masses, and whole-body FDG positron emission tomography- computed tomography showed that the masses were the unique ...

journal_title：Journal of computer assisted tomography

authors： Li Y,Sun H,Gao S,Bai R

更新日期：2006-09-01 00:00:00

abstract：OBJECTIVE:This study aimed to assess the prevalence and etiologies of focal liver opacification (FLO) in the setting of superior vena cava (SVC) obstruction. METHODS:An archival search using key words to identify patients with SVC obstruction or severe narrowing and who had computed tomographic scans with intravenous ...

journal_title：Journal of computer assisted tomography

authors： Siegel Y,Schallert E

更新日期：2013-09-01 00:00:00

abstract：OBJECTIVE:To assess the accuracy of 64 multidetector-row computed tomography (MDCT) in the diagnosis and staging of gastric cancer. METHODS:This study was approved by the institutional review board, and the patients involved gave informed consent. Forty-four patients (34 men and 10 women; mean age, 57 years) with gast...

journal_title：Journal of computer assisted tomography

authors： Yang DM,Kim HC,Jin W,Ryu CW,Kang JH,Park CH,Kim HS,Jung DH

更新日期：2007-01-01 00:00:00

abstract：:We present a case of Fitz-Hugh-Curtis syndrome (Chlamydia trachomatis perihepatitis). Contrast-enhanced CT demonstrated enhancement along the surface of the liver, but it was remarkable on the anterior surface. No other abnormalities suspicious for peritonitis were found. Contrast enhancement of the anterior surface o...

journal_title：Journal of computer assisted tomography

authors： Tsubuku M,Hayashi S,Terahara A,Furukawa T,Ohmura G

更新日期：2002-05-01 00:00:00

abstract：OBJECTIVE:We describe the MR appearance of endometriosis involving the umbilicus in two patients. One patient had a history of laparoscopy performed through the umbilicus; the other had an umbilical hernia. MATERIALS AND METHODS:MR imaging was performed using both a body coil and a spine coil (with the patient lying p...

journal_title：Journal of computer assisted tomography

authors： Yu CY,Perez-Reyes M,Brown JJ,Borrello JA

更新日期：1994-03-01 00:00:00

abstract：:We report an unusual case of diffuse infiltration of the mesentery by amyloidosis. The CT, sonographic, and operative findings mimicked abdominal carcinomatosis. ...

journal_title：Journal of computer assisted tomography

authors： Allen HA 3rd,Vick CW,Messmer JM,Parker GA

更新日期：1985-01-01 00:00:00

abstract：PURPOSE:This study attempts to establish a quantitative link between a patient's body mass index (BMI), the delivered radiation dose, and the image noise. METHODS:The CARE Dose4D computed tomography (CT) acquisitions from 206 patients undergoing "eyes-to-thighs" contrast-enhanced positron emission tomography/CT studie...

journal_title：Journal of computer assisted tomography

authors： Daignault CP,Zhang J,Guo H,Roy DW,Froelich JF

更新日期：2013-07-01 00:00:00

abstract：:The CT findings of multiple lipid-containing dermal cysts in a patient with steatocystoma multiplex are presented. The characteristic locations, shapes, and densities of the cysts in this rare skin disorder are discussed. ...

journal_title：Journal of computer assisted tomography

authors： Sonnenblick EB,Buchness MR,Austin JH

更新日期：1986-03-01 00:00:00

abstract：OBJECTIVE:The aim of the study was to determine the effects of dose reduction and iterative reconstruction (IR) on pulmonary nodule volumetry. METHODS:In this prospective study, 25 patients scheduled for follow-up of pulmonary nodules were included. Computed tomography acquisitions were acquired at 4 dose levels with ...

journal_title：Journal of computer assisted tomography

authors： den Harder AM,Willemink MJ,van Hamersvelt RW,Vonken EP,Schilham AM,Lammers JW,Luijk B,Budde RP,Leiner T,de Jong PA

更新日期：2016-07-01 00:00:00

abstract：:Previous reports of magnetic resonance imaging of the prostate have described a homogeneous appearance to the normal prostate gland. The T2-weighted images of the normal prostate obtained at higher field strength (1.5 T) reveal an inhomogeneous appearance of the normal gland, with apparent differentiation of normal pr...

journal_title：Journal of computer assisted tomography

authors： Sommer FG,McNeal JE,Carrol CL

更新日期：1986-11-01 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：:In a patient who presented with pelvic pain and changed bowel habits, barium enema and sigmoidoscopic examinations demonstrated a nonspecific asymmetric narrowing of the colon at the rectosigmoid junction with normal mucosal appearance. Computed tomography revealed the etiology to be retroperitoneal fibrosis with pelv...

journal_title：Journal of computer assisted tomography

authors： Hulnick DH,Chatson GP,Megibow AJ,Bosniak MA,Ruoff M

更新日期：1988-01-01 00:00:00

abstract：OBJECTIVE:This study aimed to assess the utility of dural thickening of the internal auditory canal (IAC) in patients with spontaneous intracranial hypotension (SIH) syndrome and determined the sensitivity and specificity of this image finding. METHODS:Magnetic resonance images were evaluated for 22 cases of definite ...

journal_title：Journal of computer assisted tomography

authors： Hori S,Taoka T,Miyasaka T,Ochi T,Sakamoto M,Wada T,Myochin K,Takayama K,Kichikawa K

更新日期：2016-03-01 00:00:00

abstract：PURPOSE:The purpose of this work was to evaluate the helical CT and CT angiography (CTA) findings of anomalous systemic artery (ASA) to the basal segments of the left lower lobe (LLL). METHOD:Three patients (two had hemoptysis, one was asymptomatic) with blotchy nodular density in the LLL revealed on chest radiographs...

journal_title：Journal of computer assisted tomography

authors： Ko SF,Ng SH,Lee TY,Wan YL,Lee CM,Hsieh MJ,Chen MC

更新日期：2000-11-01 00:00:00

abstract：OBJECTIVE:The goal of this study was to quantify changes in uterine volume during and after chemotherapy for breast cancer. MATERIALS AND METHODS:Fifty-eight patients (mean age 42 years) with advanced breast cancer undergoing treatment with FLAC (5-fluorouracil, leucovorin, Adriamycin, and cyclophosphamide) were studi...

journal_title：Journal of computer assisted tomography

authors： Kolachana P,Cowan K,Denicoff A,Jones EC,Choyke PL

更新日期：1995-07-01 00:00:00

abstract：:We present a case of a solitary cardiac metastasis from a malignant fibrous histiocytoma of the scalp. Magnetic resonance imaging improved the preoperative assessment and provided accurate information regarding the extent of the metastatic processes. ...

journal_title：Journal of computer assisted tomography

authors： Lee R,Fisher MR

更新日期：1989-01-01 00:00:00

abstract：:Pelvic varices in women consist of tortuous and dilated parauterine and ovarian veins and have a characteristic appearance at CT and MRI. Imaging is critical in the evaluation of pelvic varices, both to prevent confusion with other conditions and because pelvic varices may be secondary to serious underlying pathology....

journal_title：Journal of computer assisted tomography

authors： Coakley FV,Varghese SL,Hricak H

更新日期：1999-05-01 00:00:00

abstract：:Mean lung density (MLD), as determined by a chest computed tomographic sector method, was evaluated in 12 patients with sarcoidosis and diffuse interstitial lung disease. The results demonstrate that MLD in sarcoidosis was -610.9 +/- 57.3 Hounsfield units (HU), significantly different (p less than 0.001) from a contro...

journal_title：Journal of computer assisted tomography

authors： Gilman MJ,Laurens RG Jr,Somogyi JW,Honig EG

更新日期：1983-06-01 00:00:00

abstract：:We describe a case with a focally spared area in fatty liver caused by arterioportal shunt. Furthermore, we discuss the cause of the focally spared area related to a localized dilution or reduction in portal blood flow. ...

journal_title：Journal of computer assisted tomography

authors： Arita T,Matsunaga N,Honma Y,Nishikawa E,Nagaoka S

更新日期：1996-05-01 00:00:00

abstract：OBJECTIVE:To describe the magnetic resonance imaging characteristics of supratentorial ependymomas. METHODS:The magnetic resonance imaging and computed tomography imaging characteristics of 49 cases of supratentorial ependymomas were analyzed retrospectively. The location, size, degree of perilesional edema, gross app...

journal_title：Journal of computer assisted tomography

authors： Jabeen S,Konar SK,Prasad C,Mahadevan A,Beniwal M,Sadashiva N,Santosh V,Saini J

更新日期：2020-09-01 00:00:00

abstract：:Helical CT is being increasingly used for the evaluation of suspected tracheal diseases. Although nonneoplastic and noninfectious diseases of the trachea are rare, their appearance on CT images may be highly suggestive of the diagnosis. High quality multiplanar and 3D reconstructions including 3D surface-shaded displa...

journal_title：Journal of computer assisted tomography

authors： Ferretti GR,Bricault I,Coulomb M

更新日期：2001-05-01 00:00:00

abstract：OBJECTIVE:To present a novel magnetic resonance (MR) method of analysis of cerebrospinal fluid (CSF) flow dynamics. METHODS:Fifty-one subjects were explored with phase-contrast cine MR imaging. There were 36 volunteers, 9 patients with normal pressure hydrocephalus (NPH), and 6 patients with asymptomatic ventricular d...

journal_title：Journal of computer assisted tomography

authors： de Marco G,Idy-Peretti I,Didon-Poncelet A,Baledent O,Onen F,Feugeas MC

更新日期：2004-03-01 00:00:00

abstract：:Weighting is the term most frequently used to describe magnetic resonance pulse sequences and the concept most commonly used to relate image contrast to differences in magnetic resonance tissue properties. It is generally used in a qualitative sense with the single tissue property thought to be most responsible for th...

journal_title：Journal of computer assisted tomography

authors： Yokoo T,Bae WC,Hamilton G,Karimi A,Borgstede JP,Bowen BC,Sirlin CB,Chung CB,Crues JV,Bradley WG,Bydder GM

更新日期：2010-05-01 00:00:00

abstract：:Two projection algorithms are currently available for viewing computed tomography (CT) data sets: average projection (AVG) and maximum intensity projection (MIP). Although AVG images feature good suppression of image noise but reduced edge sharpness, MIP images are characterized by good edge sharpness but also amplify...

journal_title：Journal of computer assisted tomography

authors： Meyer H,Juran R,Rogalla P

更新日期：2008-05-01 00:00:00

abstract：:Clinical evaluation of neuromuscular disorders typically consists of obtaining a detailed clinical history, physical examination, and electrophysiologic examinations. Electrodiagnostic examinations significantly aid in distinguishing between myopathy, neuropathy, and neuromuscular disorders. Electrodiagnostic examinat...

journal_title：Journal of computer assisted tomography

authors： Elsayes KM,Shariff A,Staveteig PT,Mukundan G,Khosla A,Rubin DA

更新日期：2005-05-01 00:00:00

abstract：OBJECTIVE:The purpose of our study was to quantify peritumoral brain edema (PTE) in vivo using NMR relaxation time imaging, as the longitudinal relaxation time T1 is proportional to tissue water content, and to use the method for monitoring the effects of glucocorticoids (GCCs) on PTE in brain tumor patients as a funct...

journal_title：Journal of computer assisted tomography

authors： Andersen C,Astrup J,Gyldensted C

更新日期：1994-07-01 00:00:00

abstract：:Hemolymphangiomatosis is an extremely rare entity that has never been described in the diffuse form. Its main pathologic feature is proliferation of lymphatic and vascular cells inducing interstitial and hematic lakes and then splenomegaly. We report a complete imaging study, including magnetic resonance (MR) imaging,...

journal_title：Journal of computer assisted tomography

authors： Santoro L,Santini V,Lollo SD,Valeri A,Colagrande S

更新日期：2005-11-01 00:00:00

abstract：:Our retrospective study of 230 computed tomographic (CT) studies of hepatic masses yielded 28 cases (12.2%) which contained calcification. Calcific deposits were noted in 9 of 59 patients (15.3%) with hepatocellular carcinoma (HCC), 15 of 82 patients (18.3%) with liver metastases from colorectal carcinoma (MCRC), 2 of...

journal_title：Journal of computer assisted tomography

authors： Scatarige JC,Fishman EK,Saksouk FA,Siegelman SS

更新日期：1983-02-01 00:00:00

abstract：OBJECTIVE:To determine the normal anatomical features and variations of the bronchial arterial system and to determine the relationship among ectopic bronchial arteries, location (right-left) of the bronchial arteries, and variations of the aortic arch in patients as well as the sex of the patients who underwent multid...

journal_title：Journal of computer assisted tomography

authors： Battal B,Akgun V,Karaman B,Bozlar U,Tasar M

更新日期：2011-03-01 00:00:00