解剖学和形态学
麻醉学
听力与言语-语言病理学
行为科学
心脏和心血管系统
细胞和组织工程学
临床神经病学
危重症监护医学
牙科,口腔外科和医学
皮肤病学
急诊医学
内分泌学和新陈代谢
肠胃学和肝脏学
老人病学和老年医学
卫生保健科学和服务
血液学
免疫学
传染病
综合和补充性医学
医学伦理学
医学信息学
医学实验室技术
医学,全科和内科
医学,法律
医学,研究和试验
神经系统科学
护理
营养学和饮食学
产科医学和妇科医学
肿瘤学
眼科学
整形外科学
耳鼻喉科学
病理学
儿科学
周围血管疾病
药理学和药剂学
生理学
基本医疗保健
精神病学
公共、环境和职业卫生
放射学,核医学和医学成像
康复学
生殖生物学
呼吸系统
风湿病学
运动科学
外科学
毒理学
热带医学
泌尿学和肾脏学
病毒学
老年医学
健康政策和服务
心理学,临床
abstract::Proper therapeutic management of acute spinal trauma depends considerably on the assessment of the condition of the underlying spinal cord and the relative stability of the surrounding bony architecture. A series of 14 patients who were examined by magnetic resonance (MR) imaging following spinal trauma is presented. ...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198705000-00008
更新日期:1987-05-01 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
pub_type: 杂志文章
doi:10.1097/00004728-198705000-00018
更新日期:1987-05-01 00:00:00
abstract::Transorbital penetration of the cranial cavity by a small wooden object can pass unnoticed, while producing severe, life-threatening consequences. The occurrence of a traumatic intracranial aneurysm secondary to a wooden foreign body has not been reported previously in the English literature, to our knowledge. Familia...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198705000-00030
更新日期:1987-05-01 00:00:00
abstract::We present a patient with a progressively enlarging adrenal mass detected by CT which extended to the renal hilum and inferior vena cava. Pathologic evaluation revealed an adrenal abscess containing purulent debris. ...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198705000-00040
更新日期:1987-05-01 00:00:00
abstract::The magnetic resonance characteristics of 16 intracranial arachnoid cysts were evaluated and several features identified that allowed the differentiation from other cystic lesions. Uncomplicated arachnoid cyst contents respond like CSF to both T1 and T2 weighted sequences. Signal from the contiguous brain is of normal...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198703000-00007
更新日期:1987-03-01 00:00:00
abstract::We reviewed the CT of 20 patients with peripheral lung malignancies in which CT appearance suggested chest wall invasion on the basis of extension of mass around ribs into fat or muscle of the chest wall, or definite bone destruction. We correlated these findings with other radiographic studies and surgical and autops...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198703000-00019
更新日期:1987-03-01 00:00:00
abstract::We describe a patient in whom a secondary aortocaval fistula was diagnosed on dynamic CT by noting transient enhancement of the inferior vena cava simultaneously with maximum enhancement of the aorta. This pattern of caval enhancement is contrasted with the gradual increase and subsequent plateauing of caval opacifica...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198703000-00031
更新日期:1987-03-01 00:00:00
abstract::Dialysate leakage into subcutaneous tissues occurs not uncommonly in patients on continuous ambulatory peritoneal dialysis. When the leakage site cannot be localized clinically, CT with intraperitoneal contrast medium administration may localize the site. We report our experience with three cases in which this techniq...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198703000-00016
更新日期:1987-03-01 00:00:00
abstract::Forty-four consecutive patients with laryngeal carcinomas presenting at different stages of the disease were investigated by magnetic resonance (MR) imaging. Twelve patients (six with primary lesions and six with recurrent tumors) underwent laryngectomy, and the macro- and microscopic appearance of the slice specimens...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198701000-00027
更新日期:1987-01-01 00:00:00
abstract::We report a case of agenesis of dorsal pancreas diagnosed by CT. This anomaly can easily be confused with pancreas divisum on endoscopic retrograde cholangiopancreatography alone. ...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198701000-00038
更新日期:1987-01-01 00:00:00
abstract::Three cases of normal soft tissue collections of the right hilum which could be confused with thrombus of the right pulmonary artery or adenopathy are demonstrated. These abnormalities are due to normal accumulations of hilar fat and lymph nodes. Their typical appearance allows easy recognition. ...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198701000-00011
更新日期:1987-01-01 00:00:00
abstract::A test method with use of a biologic phantom--a deep-frozen specimen of a human cadaver--was developed in an attempt to simulate the clinical setting in CT of the spine. The quality of both soft tissue and bone images in the absence of motion artifacts was evaluated for seven scanner models. Special attention was paid...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198611000-00023
更新日期:1986-11-01 00:00:00
abstract::Idiopathic retroperitoneal fibrosis (IRF) is a rare condition of unknown etiology. An unusual case of IRF exclusively located at the peripancreatic area without extension below the lower renal poles is reported. ...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198611000-00038
更新日期:1986-11-01 00:00:00
abstract::In a study designed to assess the diagnostic and prognostic usefulness of magnetic resonance (MR) imaging in patients to be treated with chymopapain, 39 patients with a clinicoradiographic picture of herniated lumbar disk were scanned. Twenty-one of these, who were actually treated, were rescanned 3 months following t...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198611000-00004
更新日期:1986-11-01 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
pub_type: 杂志文章
doi:10.1097/00004728-198611000-00017
更新日期:1986-11-01 00:00:00
abstract::Forty-two patients with hepatocellular carcinoma (HCC) were examined by magnetic resonance (MR) imaging. The presence of tumor was suggested in 41 of 42 cases by a high-intensity area on T2 weighted spin-echo (SE) images with a repetition time (TR) of 1.6 s. Specific findings of HCC such as the presence of a capsule, ...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198611000-00012
更新日期:1986-11-01 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
pub_type: 杂志文章
doi:10.1097/00004728-198609000-00015
更新日期:1986-09-01 00:00:00
abstract::We report a case of benign hemangioendothelioma of infancy extending from the deep soft tissues of the neck to involve the entire longitudinal extent of the right posterior mediastinum. The CT findings that aid in the differential diagnosis of this and other posterior mediastinal masses are discussed. ...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198609000-00033
更新日期:1986-09-01 00:00:00
abstract::Twenty-one previously reported cases of aneurysms of the anterior inferior cerebellar artery (AICA) were reviewed. They often present acutely with subarachnoid hemorrhage due to rupture, or less frequently with an insidious onset, as a cerebellopontine angle (CPA) mass. Rupture of the aneurysm is usually not difficult...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198609000-00038
更新日期:1986-09-01 00:00:00
abstract::The authors report three cases of abnormal chest radiography mimicking mediastinal masses. These radiographic findings were unrelated to any pathology, were discovered in asymptomatic patients, and must be considered consequences of unusually narrow thoracic inlets. Mean and standard deviations of the anteroposterior ...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198607000-00011
更新日期:1986-07-01 00:00:00
abstract::A case of simultaneous renal vein thrombosis and bilateral adrenal hemorrhage is presented, demonstrating the ability of magnetic resonance (MR) imaging to identify these abnormalities without the use of intravenous contrast agents or radiopharmaceuticals. Adrenal hemorrhage appeared as markedly enlarged adrenal gland...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198607000-00028
更新日期:1986-07-01 00:00:00
abstract::Aneurysms arising from the extracranial carotid arteries are uncommon lesions. Clinically, they may present as lateral masses in the superior cervical area, as medial masses in the tonsillar fossa or parapharyngeal region, or as a mass palpable in both areas. Tenderness or pain may or may not be present. Pulsation is ...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:
更新日期:1986-05-01 00:00:00
abstract::Osteoid osteoma is a benign osteoblastic tumor usually diagnosed by conventional radiography. Computed tomography can be used preoperatively to localize the nidus and avoid unnecessary or misdirected resection. In this report CT appearance of the nidus in osteoid osteoma versus sequestration in osteomyelitis is presen...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:
更新日期:1986-05-01 00:00:00
abstract::Computed tomography in patients with a ruptured abdominal aortic aneurysm usually demonstrates the aneurysm with blood in the posterior para- and perirenal spaces. Hemorrhage into the adjacent perirenal space occurs because the aorta, via the renal vascular pedicle, is in continuum with this compartment. The kidney is...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:
更新日期:1986-05-01 00:00:00
abstract::Differences in signal intensity involving lobes of the liver were noted in seven cases of liver tumor. The clinical significance and possible cause of these differences in lobar intensity are discussed. ...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198603000-00013
更新日期:1986-03-01 00:00:00
abstract::Hepatic actinomycosis is an uncommon entity that forms communicating abscesses and fistulae. A case is presented in which findings on ultrasound, CT, and percutaneous injection of the abscess all reflected the pathologic process. Biopsy by thin-needle aspiration under CT guidance afforded prompt, accurate diagnosis an...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198603000-00035
更新日期:1986-03-01 00:00:00
abstract::The CT findings in 20 patients with pulmonary hydatid disease were reviewed. Sixty-four intrapulmonary cysts were imaged, 22% of which were ruptured or complicated. Simple hydatid cysts and water-density lung cysts of other etiology may have a similar CT appearance; however, the demonstration of the cystic nature of a...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198603000-00011
更新日期:1986-03-01 00:00:00
abstract::Computed tomography and magnetic resonance (MR) studies were done in one case of Behcet disease and showed a focal lesion in the upper brain stem. Early institution of therapy was followed by a complete clinical remission and disappearance of the CT and MR changes. Computed tomography and MR are important modalities f...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198603000-00027
更新日期:1986-03-01 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
pub_type: 杂志文章
doi:10.1097/00004728-198603000-00043
更新日期:1986-03-01 00:00:00
abstract::Acute infarction of an appendix epiploica resulted in an inflammatory process involving the caudal aspect of the transverse colon and the adjacent greater omentum. Computed tomography demonstrated prominent linear soft tissue densities, an increase in CT number of the involved greater omentum, and posterior displaceme...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198601000-00032
更新日期:1986-01-01 00:00:00
abstract::Computed tomography potentially provides an accurate means of determining organ volume, by summation of serial section areas. Variation in level of held respiration for each serial scan, however, severely limits accuracy in the thorax and upper abdomen. A simple strain gauge has been used to provide the patient with v...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198601000-00042
更新日期:1986-01-01 00:00:00
abstract::The extent of pathologic processes involving the mesentery is frequently difficult to assess by clinical examination and standard radiography. Contrast studies of the gastrointestinal tract only identify the effect of these processes on adjacent opacified bowel loops and frequently underestimate the extent of mesenter...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198601000-00014
更新日期:1986-01-01 00:00:00
abstract::A technique is described that permits the 19F nuclear magnetic resonance (NMR) imaging of the vascular system in animals that have been infused with certain perfluorocarbon blood substitutes. The essence of the technique is the selection for imaging of a narrow group of spectral lines from the fluorocarbon using a com...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198511000-00003
更新日期:1985-11-01 00:00:00
abstract::The effect of cardiac gating (CG) on the diagnostic quality of magnetic resonance images of the hilum and mediastinum was evaluated by comparing gated with nongated scans in 20 patients. The advantages of CG varied depending on the regions and structures under study and the presence and extent of disease. In general, ...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198511000-00013
更新日期:1985-11-01 00:00:00
abstract::Computed tomographic and magnetic resonance (MR) findings in a case of pseudomyxoma peritonei arising from a mucoid cystadenoma of the ovary are presented. The possible diagnostic aid of MR is discussed. ...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198511000-00025
更新日期:1985-11-01 00:00:00
abstract::Extraskeletal spread of multiple myeloma is common and may cause jaundice due to hepatic infiltration. Less commonly, involvement of the pancreas may cause obstructive jaundice. We present a patient with multiple myeloma who became jaundiced. Computed tomography revealed an obstructing pancreatic mass. Aspiration biop...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:
更新日期:1985-11-01 00:00:00
abstract::This is a preliminary investigation of the cerebrospinal fluid (CSF) spaces using cardiac gated magnetic resonance imaging. A variation of intensity of the signal from the cerebral aqueduct is demonstrated during the cardiac cycle. The pattern of this variation suggests pulsatile CSF flow. Calculations that have been ...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198511000-00001
更新日期:1985-11-01 00:00:00
abstract::Magnetic resonance imaging of the larynx was performed on 15 volunteers. Searching for optimal images in the sagittal, frontal, and transverse planes, we compared images made with a special surface coil and the standard head coil, images with different slice thicknesses, images with different repetition times (TR) and...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198509000-00015
更新日期:1985-09-01 00:00:00
abstract::A case of superficial siderosis of the central nervous system secondary to bleeding from an ependymoma is presented. High-field magnetic resonance imaging showed marginal hypointensity of the cervical cord, medulla oblongata, pons, mesencephalon, anterior cerebellar and basal cerebral surfaces, and cranial nerves (II,...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198509000-00029
更新日期:1985-09-01 00:00:00
abstract::Two patients with bone sarcomas were found to have pancreatic masses on routine follow-up CT. Although pancreatic metastasis most often occurs in a setting of widely disseminated disease, it may occur as an isolated finding, most often asymptomatic. It may also be responsible for clinical pancreatitis. Both of these p...
journal_title:Journal of computer assisted tomography
pub_type: 杂志文章
doi:10.1097/00004728-198509000-00008
更新日期:1985-09-01 00:00:00