Hemorrhagic nerve sheath tumors (plexiform neurofibromas) of the scalp: CT findings.

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：:In children it is often necessary to ligate the splenic artery and the main collateral supply to the spleen during liver transplantation. The complication of splenic infarction has been observed on postoperative CT in such patients. The purpose of our study was to determine the incidence and CT appearance of splenic i...

journal_title：Journal of computer assisted tomography

authors： Lehar SC,Zajko AB,Koneru B,Stevenson W,Sumkin J

更新日期：1990-05-01 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

authors： Westcott JL,Henschke CI,Berkmen Y

更新日期：1985-11-01 00:00:00

abstract：:A case of calcific tendinitis of the gluteus maximus tendon with cortical erosion is presented. Roentgenography demonstrated calcification on the posterior surface of the proximal femur. Computed tomography showed flame-like appearance of calcific tendinitis and bone erosion. Magnetic resonance imaging showed minimal ...

journal_title：Journal of computer assisted tomography

authors： Mizutani H,Ohba S,Mizutani M,Otake S,Otsuka T,Nakamura T

更新日期：1994-03-01 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：OBJECTIVE:The aim of the study was to assess non-Gaussian diffusion kurtosis imaging (DKI)'s usefulness as a noninvasive method to evaluate tumor invasion depth, histological grade, and lymph node metastasis in cervical carcinoma (CC) patients. METHODS:Twenty-two consecutive patients with histologically confirmed CC w...

journal_title：Journal of computer assisted tomography

authors： Yamada I,Oshima N,Wakana K,Miyasaka N,Wakabayashi A,Sakamoto J,Saida Y,Tateishi U,Kobayashi D

更新日期：2021-01-01 00:00:00

abstract：BACKGROUND AND PURPOSE:Influenza A infection can precipitate encephalopathy, encephalitis, or Reye syndrome with the development of cerebral edema in children and is associated with an increased incidence of stroke in adults. The mechanism of these events is poorly understood. Posterior reversible encephalopathy syndro...

journal_title：Journal of computer assisted tomography

authors： Bartynski WS,Upadhyaya AR,Boardman JF

更新日期：2009-11-01 00:00:00

abstract：:An assessment of the role of marrow fat as a source of error in single energy quantitative CT (SEQCT) measurements of the spine is presented. Fat-induced shifts and spreads in SEQCT findings are discriminated and quantified. Studies using chemical analysis have reported an average vertebral bone mineral (MIN) loss of ...

journal_title：Journal of computer assisted tomography

authors： Glüer CC,Genant HK

更新日期：1989-11-01 00:00:00

abstract：:Two cases of von Recklinghausen neurofibromatosis (VRN) with thoracic and abdominal involvement are described. Computed tomography demonstrated the typical lesions of this disease: meningoceles, neurofibromas, and skeletal alterations. In both cases lesion morphology and location were similar and characteristic, in pa...

journal_title：Journal of computer assisted tomography

authors： Biondetti PR,Vigo M,Fiore D,De Faveri D,Ravasini R,Benedetti L

更新日期：1983-10-01 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：:This article reviews the value of magnetic resonance imaging (MRI) for the diagnosis of ovarian tumors especially when ultrasonography is indeterminate. Although ultrasonography is the first imaging technique used to investigate suspected pelvic masses, it has a limited capacity for tissue characterization. In additio...

journal_title：Journal of computer assisted tomography

authors： Bazot M,Daraï E,Nassar-Slaba J,Lafont C,Thomassin-Naggara I

更新日期：2008-09-01 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：:Recurrent respiratory papillomatosis is a chronic disease of children and young adults associated with various complications, one of which is malignant change. We report CT findings of malignant change in a case of recurrent respiratory papillomatosis. ...

journal_title：Journal of computer assisted tomography

authors： Lui D,Kumar A,Aggarwal S,Soto J

更新日期：1995-09-01 00:00:00

abstract：:Magnetic resonance imaging was evaluated in six patients with primary thyroid lymphoma. Five patients had a solitary localized tumor and one had multiple tumors. These masses showed homogeneous iso- or high intensity compared with the uninvolved thyroid tissue on T1-weighted images and homogeneous high intensity on T2...

journal_title：Journal of computer assisted tomography

authors： Shibata T,Noma S,Nakano Y,Konishi J

更新日期：1991-07-01 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：OBJECTIVE:The purpose of this study was to define the range of abnormalities and to assess the contribution of high-resolution CT (HRCT) in the evaluation of miliary tuberculosis involving the lung parenchyma. MATERIALS AND METHODS:The authors retrospectively reviewed HRCT scans of 11 patients with microbiologically o...

journal_title：Journal of computer assisted tomography

authors： Oh YW,Kim YH,Lee NJ,Kim JH,Chung KB,Suh WH,Yoo SW

更新日期：1994-11-01 00:00:00

abstract：:A 45-year-old patient with focal intrahepatic extramedullary hematopoiesis is presented in which the liver was imaged by CT, ultrasound, and MR. The appearance of the lesions on MR consisted of slightly increased signal on T2-weighted images with heterogeneous enhancement of some of the lesions during bolus infusion o...

journal_title：Journal of computer assisted tomography

authors： Warshauer DM,Schiebler ML

更新日期：1991-07-01 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：PURPOSE:The aim of our study was to evaluate the effectiveness of additional coronal images using low-milliamperage multidetector-row computed tomography (CT) in the diagnosis of bronchiectasis. METHODS:Helical volumetric CT scans (120 kVp, 70 mA, 2.5-mm collimation, table speed of 15 mm/s, table rotation time of 1 se...

journal_title：Journal of computer assisted tomography

authors： Sung YM,Lee KS,Yi CA,Yoon YC,Kim TS,Kim S

更新日期：2003-07-01 00:00:00

abstract：:Renal pseudotumors may be intrinsic or extrinsic to the renal parenchyma. A case in which an ectopic position of the pancreatic tail simulated a solid left renal mass on nephrotomography and ultrasonography is presented. Computed tomography was important in confirming the etiology of the mass. ...

journal_title：Journal of computer assisted tomography

authors： Moss GD,Malvar TC

更新日期：1983-08-01 00:00:00

abstract：:A 72-year-old woman with previously symptomatic internal carotid artery occlusion subsequently presented with an acute hemispheric deficit. The patient was initially diagnosed as having an ischemic infarction but eventually was shown to have a subacute subdural hematoma with delay in surgical evacuation and a major pe...

journal_title：Journal of computer assisted tomography

authors： Pascuzzi RM,Boyko OB,Voelker JL

更新日期：1989-09-01 00:00:00

abstract：:A 77-year-old man with loss of consciousness, circulatory collapse, and apnea caused by myocardial infarction underwent cardiopulmonary resuscitation with intratracheal intubation and manual bag ventilation. Computed tomography of the head demonstrated massive air embolism in the entire cerebral circulation. The patie...

journal_title：Journal of computer assisted tomography

authors： Yamaki T,Ando S,Ohta K,Kubota T,Kawasaki K,Hirama M

更新日期：1989-03-01 00:00:00

abstract：:Disability from knee dysfunction has important implications on a patient's performance of simple day-to-day tasks, work-related duties, and leisure activities, including sports. Diagnostic imaging is of fundamental importance in the clinical evaluation of the patient with knee pain. The use of magnetic resonance imagi...

journal_title：Journal of computer assisted tomography

authors： Theodorou SJ,Theodorou DJ,Resnick D

更新日期：2005-01-01 00:00:00

abstract：:The diagnosis of scleral perforation of the globe following ocular trauma is often obvious on physical examination, but occult perforations occur frequently. In addition to locating intraorbital foreign bodies and associated facial bone fractures, computed tomography of the orbit can suggest an occult scleral rupture....

journal_title：Journal of computer assisted tomography

authors： Sevel D,Krausz H,Ponder T,Centeno R

更新日期：1983-10-01 00:00:00

abstract：OBJECTIVE:We compared body coil (BC) MR images and endorectal surface coil (ERC) images with respect to the visualization of the cervix and adjacent tissues and the histopathologic correlations of the imaging findings. MATERIALS AND METHODS:Twenty-one patients with cervical carcinoma underwent MRI using both coils for...

journal_title：Journal of computer assisted tomography

authors： Kaji Y,Sugimura K,Kitao M,Ishida T

更新日期：1994-09-01 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：:Magnetic resonance imaging was performed in four patients with biopsy proven idiopathic portal hypertension (IPH). The MR images show proximity of medium-sized intrahepatic vessels to each other and to the liver surface in all patients. Small vessels running parallel to the second order branches of the intrahepatic po...

journal_title：Journal of computer assisted tomography

authors： Arai K,Matsui O,Kadoya M,Yoshikawa J,Gabata T,Takashima T,Kobayashi K,Unoura M

更新日期：1991-05-01 00:00:00

abstract：:Two cases of necrotizing herpes simplex encephalitis (HSE) were investigated with 99mTc-hexamethylpropyleneamineoxime (HMPAO) SPECT and MR. The clinical course was compared with the neuroimaging results. In the acute stage, the increased HMPAO uptake matched the MR hyperintense signal in the limbic temporal lobe and i...

journal_title：Journal of computer assisted tomography

authors： Schmidbauer M,Podreka I,Wimberger D,Oder W,Koch G,Wenger S,Goldenberg G,Asenbaum S,Deecke L

更新日期：1991-09-01 00:00:00

abstract：OBJECTIVE:We retrospectively evaluated whether multi-detector row computed tomography (MDCT) could contribute to the early detection of contralateral breast cancer in women with a diagnosis of breast cancer and no suspicious lesions on a mammogram or an ultrasonogram of the contralateral breast. METHODS:A total of 518...

journal_title：Journal of computer assisted tomography

authors： Nakano S,Sakamoto H,Ohtsuka M,Mibu A,Karikomi M,Sakata H,Yamamoto M

更新日期：2011-01-01 00:00:00

abstract：:To achieve prolonged breath-holding, oxygen was administered just before dynamic CT and high resolution lung CT. Oxygen administration has proved to be a supportive means to improve the quality of CT studies. ...

journal_title：Journal of computer assisted tomography

authors： Sadatoh N,Hatabu H,Takahashi M,Imanaka K,Sano A

更新日期：1987-07-01 00:00:00