Computed tomography of calcified liver masses.

abstract：:A case of a huge intracranial frontoparietal osteochondroma in a 20-year-old man is reported. The presenting symptoms were headache, vomiting, and blurred vision. Apart from papilledema, no other abnormal neurological signs were present. A specific preoperative diagnosis could not be reached from the information provi...

journal_title：Journal of computer assisted tomography

authors： Matz S,Israeli Y,Shalit MN,Cohen ML

更新日期：1981-02-01 00:00:00

abstract：OBJECTIVE:The anal sphincter was imaged with MR using an internal coil to demonstrate its anatomy, contrast enhancement patterns, and appearance in disease. MATERIALS AND METHODS:A cylindrical saddle geometry coil was placed in the anal canal. Sixteen volunteers and 18 patients were examined. Imaging was performed on ...

journal_title：Journal of computer assisted tomography

authors： deSouza NM,Puni R,Kmiot WA,Bartram CI,Hall AS,Bydder GM

更新日期：1995-09-01 00:00:00

abstract：PURPOSE:A new nonrigid registration method, designed to reduce the effect of movement artifact in subtraction images from breast MR, is compared with existing rigid and affine registration methods. METHOD:Nonrigid registration was compared with rigid and affine registration methods and unregistered images using 54 gad...

journal_title：Journal of computer assisted tomography

authors： Denton ER,Sonoda LI,Rueckert D,Rankin SC,Hayes C,Leach MO,Hill DL,Hawkes DJ

更新日期：1999-09-01 00:00:00

abstract：PURPOSE:To evaluate the agreement and correlation between attenuation values and vascular calcification volume for intra-abdominal structures from true noncontrast (TNC) images and those from virtual noncontrast (VNC) images obtained by dual-source dual-energy computed tomography (CT) using a quadriphasic dynamic proto...

journal_title：Journal of computer assisted tomography

authors： Kim S,Kang BS,Kwon WJ,Bang M,Lim S,Park GM,Lee TY

更新日期：2020-07-01 00:00:00

abstract：OBJECTIVE:To investigate the hemodynamic mechanism of pseudoaneurysm in the anterior communicating artery (AcoA) area in magnetic resonance (MR) angiography. METHODS:For the clinical study, a total of 62 patients who undertook digital subtraction angiography (DSA) because of the rupture of an aneurysm originating from...

journal_title：Journal of computer assisted tomography

authors： Chung TS,Lee YJ,Kang WS,Kang SK,Rhim YC,Yoo BG,Park IK

更新日期：2004-05-01 00:00:00

abstract：:Elevation of the anterior part of the right diaphragm results in the spurious radiological appearance of a mass at the right lung base. Standard chest views are usually sufficient to show the true nature of the "mass." Occasionally, however, a true mass lesion cannot be entirely excluded, and further studies are then ...

journal_title：Journal of computer assisted tomography

authors： Rubinstein ZJ,Solomon A

更新日期：1981-10-01 00:00:00

abstract：:We describe the case of a 50-year-old man with history of remote splenectomy who underwent routine lung cancer screening chest computed tomography and was incidentally found to have a liver lesion. Dedicated liver protocol computed tomography demonstrated "archiform" enhancement pattern in the arterial phase and homog...

journal_title：Journal of computer assisted tomography

authors： Varghese J,Bergson J,Yaipen O

更新日期：2018-09-01 00:00:00

abstract：OBJECTIVE:The aim of our study was to assess radiation dose reduction and image quality for enhanced chest CT examinations with a scout-based automated tube potential selection technique (kV Assist) compared with a standard 120-kV protocol. METHODS:Prospective study of enhanced chest CT examinations was performed in 1...

journal_title：Journal of computer assisted tomography

authors： Li M,Feng S,Wu N,Zhang L

更新日期：2017-05-01 00:00:00

abstract：OBJECTIVE:This study aimed to identify the computed tomographic colonography (CTC) findings of incomplete colonoscopy compared with those of complete colonoscopy. METHODS:The clinical data and CTC imaging data from January 2004 to December 2012 were retrospectively obtained at 2 different institutions and reviewed by ...

journal_title：Journal of computer assisted tomography

authors： Lee ES,Kim BC,Hur BY,Kim MJ,Park HJ,Park SB,Lee JB,Sohn DK,Han KS,Hong CW

更新日期：2018-09-01 00:00:00

abstract：:Intralobar bronchopulmonary sequestration typically receives systemic arterial supply from the descending thoracic or upper abdominal aorta. Isolated reports have documented supply from branch vessels of the abdominal aorta, including the celiac axis and inferior phrenic artery. We report a case of the anomalous arter...

journal_title：Journal of computer assisted tomography

authors： Pedersen ML,LeQuire MH,Spies JB,Ladd WA

更新日期：1988-09-01 00:00:00

abstract：:We present the case of unilateral nonhemorrhagic adrenal infarct in a 29-week pregnant 21-year-old woman. The patient presented with right upper quadrant pain, nausea, and vomiting. Ultrasonography of the right upper quadrant and appendix was negative for pathology. Magnetic resonance imaging of the abdomen demonstrat...

journal_title：Journal of computer assisted tomography

authors： Hynes D,Jabiev A,Catanzano T

更新日期：2019-11-01 00:00:00

abstract：:Three patients with various pectus excavatum deformities in whom radiographic findings suggested hilar and mediastinal masses are presented. Computed tomography of the chest yielded valuable diagnostic information and made it possible to exclude the existence of these masses. Compression deformity of the heart and gre...

journal_title：Journal of computer assisted tomography

authors： Soteropoulos GC,Cigtay OS,Schellinger D

更新日期：1979-10-01 00:00:00

abstract：:Suprascapular neuropathy results from abnormal compression of the suprascapular nerve, typically at the suprascapular or spinoglenoid notch. This may be produced by either mass effect such as ganglion cyst or by certain repetitive shoulder motions producing wide scapular excursion (e.g., hyperabduction), which causes ...

journal_title：Journal of computer assisted tomography

authors： Zeiss J,Woldenberg LS,Saddemi SR,Ebraheim NA

更新日期：1993-03-01 00:00:00

abstract：PURPOSE:To determine the frequency of extrathoracic metastases in T1 non-small-cell lung cancer. METHOD:Ninety patients with T1 lung cancer identified on CT were included. Extrathoracic metastases were evaluated at the time of initial diagnosis and during a 1-year follow-up study. The frequency of metastases was compa...

journal_title：Journal of computer assisted tomography

authors： Jung KJ,Lee KS,Kim H,Kwon OJ,Kim J,Shim YM,Kim TS

更新日期：2000-09-01 00:00:00

abstract：:The effect of hemodialysis on the CT absorption value of the liver was examined in 14 hemodialysis patients. In the high ultrafiltration group [10 patients with a weight loss of -1.7 to -3.5 (2.9 +/- 0.6) kg], the hepatic CT absorption value increased from 49.6 +/- 7.0 to 58.7 +/- 8.7 Hounsfield units (p less than 0.0...

journal_title：Journal of computer assisted tomography

authors： Ishikawa I,Tateishi K,Shinoda A,Onouchi Z,Saito Y,Asato T

更新日期：1984-08-01 00:00:00

abstract：PURPOSE:X-Ray CT has the potential to provide precise and accurate data from which the mechanical properties of bone can be calculated. Such data would be useful in understanding the response of bone tissue to implants. Various artifacts can, however, degrade accuracy of the data. The aim of this study was to measure t...

journal_title：Journal of computer assisted tomography

authors： Sutherland CJ,Gayou DE

更新日期：1996-05-01 00:00:00

abstract：:A case of leiomyosarcoma of the kidney is reported here with its CT and MRI manifestations correlated to the pathologic findings. The leiomyosarcoma appeared as a well-defined multinodular mass of varying density and signal intensity on CT and MRI, respectively. The low signal-intensity regions on T2-weighted MRI exhi...

journal_title：Journal of computer assisted tomography

authors： Ochiai K,Onitsuka H,Honda H,Kawamoto K,Uozumi J,Kumazawa J,Masuda K

更新日期：1993-07-01 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

abstract：PURPOSE:To date, there have been no systematic reports examining cerebral lymphomas with perfusion-sensitive MRI. We sought to determine the characteristics of perfusion-sensitive MRI of these tumors. METHOD:Five primary and three secondary cerebral lymphomas were analyzed. None of the patients had a history of AIDS. ...

journal_title：Journal of computer assisted tomography

authors： Sugahara T,Korogi Y,Shigematsu Y,Hirai T,Ikushima I,Liang L,Ushio Y,Takahashi M

更新日期：1999-03-01 00:00:00

abstract：:A new technique is described that utilises a novel magnetic resonance pulse sequence to produce a quantitative index both for ventricular and, for the first time, extraventricular intracranial CSF volumes. The pulse sequence is a combination of a null-point inversion recovery sequence with an extended spin-echo read (...

journal_title：Journal of computer assisted tomography

authors： Condon BR,Patterson J,Wyper D,Hadley DM,Teasdale G,Grant R,Jenkins A,Macpherson P,Rowan J

更新日期：1986-09-01 00:00:00

abstract：OBJECTIVE:To describe the magnetic resonance imaging spectrum of solid pseudopapillary tumors (SPTs), with an emphasis on solid SPTs. METHODS:Thirty-two patients with proven SPTs with preoperative magnetic resonance were included. The SPTs were classified into 3 types: solid, cystic, and mixed; and 2 radiologists anal...

journal_title：Journal of computer assisted tomography

authors： Chae SH,Lee JM,Baek JH,Shin CI,Yoo MH,Yoon JH,Kim JH,Han JK,Choi BI

更新日期：2014-03-01 00:00:00

abstract：:This is the third of a series of 4 white papers that represent Expert Consensus Documents developed by the Society of Computed Body Tomography and Magnetic Resonance through its Task Force on dual-energy computed tomography. This paper, part 3, describes computed tomography angiography and thoracic, cardiac, vascular,...

journal_title：Journal of computer assisted tomography

authors： De Cecco CN,Schoepf UJ,Steinbach L,Boll DT,Foley WD,Kaza RK,Bolus DN,Morgan DE,Sahani DV,Shuman WP,Siegel MJ,Vrtiska TJ,Yeh BM,Berland LL

更新日期：2017-01-01 00:00:00

abstract：:Prenatal diagnosis of monoamnionicity is necessary for optimal care of a twin gestation. When the fetuses are discordant for a lethal anomaly, unequivocal confirmation is imperative. Ultrasound evaluation of our patient revealed a twin gestation discordant for anencephaly and with possible monoamnionicity. When sonogr...

journal_title：Journal of computer assisted tomography

authors： Wax JR,Smith JF,Floyd RC

更新日期：1994-01-01 00:00:00

abstract：:Computed tomography provides excellent visualization of the trachea, but there have been only limited descriptions of variations in tracheal shape. The normal tracheal cartilage is U shaped. Lunate shaped trachea is uncommon and is characterized by a coronal/sagittal diameter ratio (tracheal index) greater than 1. We ...

journal_title：Journal of computer assisted tomography

authors： Lomasney L,Bergin CJ,Lomasney J,Roggli V,Foster W

更新日期：1989-05-01 00:00:00

abstract：:The purpose of this report is to describe a further distinctive cause of crazy-paving pattern on thin-section computed tomography in a patient affected by pulmonary granulomatous mycosis fungoides. It was possible to reconcile the crazy-paving appearance on thin-section computed tomography scan with the histopathologi...

journal_title：Journal of computer assisted tomography

authors： Sverzellati N,Poletti V,Chilosi M,Casoni G,Hansell D,Zompatori AM

更新日期：2006-09-01 00:00:00

abstract：:Twenty-five patients with nonseminomatous germ cell carcinoma of the testis underwent CT and nuclear magnetic resonance (NMR) of the retroperitoneum followed by radical retroperitoneal lymph node dissection for surgical proof of metastatic disease. Computed tomography correctly predicted the presence or absence of ade...

journal_title：Journal of computer assisted tomography

authors： Ellis JH,Bies JR,Kopecky KK,Klatte EC,Rowland RG,Donohue JP

更新日期：1984-08-01 00:00:00

abstract：OBJECTIVE:The objective of this study was to evaluate a prototype, ultrahigh-resolution computed tomography offering higher reconstruction matrix (1024 × 1024) and spatial resolution (0.15 mm) for chest imaging. METHODS:Higher (1024) matrix reconstruction enabled by ultrahigh-resolution computed tomography scanner (12...

journal_title：Journal of computer assisted tomography

authors： Shanbhag SM,Schuzer JL,Steveson C,Rollison S,Bronson KC,Stagliano MS,Rogalla P,Blum A,Prokop M,Chen MY

更新日期：2019-09-01 00:00:00

abstract：PURPOSE:The purpose of this work was to determine the range of normal measurements for the thyroid gland on chest CT scans and relate it to the dimensions of the trachea. METHOD:Chest CT scans in 118 patients were examined prospectively for visibility of the thyroid gland and its relationship to the trachea. The great...

journal_title：Journal of computer assisted tomography

authors： Prince JS,Stark P

更新日期：2002-05-01 00:00:00

abstract：OBJECTIVE:The aim of this study was to evaluate volume histogram analysis between usual interstitial pneumonia (UIP) and nonspecific interstitial pneumonia (NSIP). METHODS:Sixty cases (UIP, n = 22; NSIP, n = 38) were evaluated retrospectively. Three parameters (contrast, variance, and entropy) were calculated in 3 typ...

journal_title：Journal of computer assisted tomography

authors： Sumikawa H,Johkoh T,Yamamoto S,Oota M,Ueguchi T,Ogata Y,Matsumoto M,Fujita Y,Natsag J,Inoue A,Mihara N,Honda O,Tomiyama N,Nakamura H

更新日期：2007-11-01 00:00:00

abstract：:Due to the low prevalence of hemangiopericytomas (HPCs), data on the biophysiological characteristics of this tumor are rare. Positron emission tomography (PET) demonstrated a sixfold increased uptake of [11C]methionine and hyperperfusion in the HPC, whereas glucose utilization was decreased in this area. This low glu...

journal_title：Journal of computer assisted tomography

authors： Kracht LW,Bauer A,Herholz K,Terstegge K,Friese M,Schröder R,Heiss WD

更新日期：1999-05-01 00:00:00