Testicular microlithiasis in children and associated testicular cancer.

abstract：:Periportal low attenuation, defined as a low-attenuation rim around the portal vein and its branches that is seen on contrast material-enhanced computed tomographic (CT) scans, has been described in a variety of conditions in adults. The authors reviewed the appearance of periportal low attenuation on CT scans of 30 c...

journal_title：Radiology

authors： Siegel MJ,Herman TE

更新日期：1992-06-01 00:00:00

abstract：:Pleural disease is an unusual manifestation of childhood leukemia. Three cases are presented which illustrate a definite association between leukemia and pleural thickening. In two patients, there was bilateral diffuse pleural thickening and, in the other, there were unilateral pleural-based masses. Pleural disease ma...

journal_title：Radiology

authors： Siegel MJ,Shackelford GD,McAlister WH

更新日期：1981-02-01 00:00:00

abstract：:Ultrasound (US) of the liver surface with a high-frequency, small-parts, short-focused probe has been proposed as a method of diagnosing cirrhosis. US of the liver was performed in 50 consecutive patients undergoing diagnostic liver biopsy to assess the clinical usefulness of this noninvasive procedure in diagnosing h...

journal_title：Radiology

authors： Ladenheim JA,Luba DG,Yao F,Gregory PB,Jeffrey RB,Garcia G

更新日期：1992-10-01 00:00:00

abstract：PURPOSE:To determine the ability of different types of gadolinium-based contrast agents (GBCAs) to stimulate fibroblast proliferation in monolayer cell culture. MATERIALS AND METHODS:The National Health Service West Glasgow Ethics Committee granted approval for this study. Fibroblasts established from healthy voluntee...

journal_title：Radiology

authors： Edward M,Quinn JA,Burden AD,Newton BB,Jardine AG

更新日期：2010-09-01 00:00:00

abstract：:The difficulty of demonstrating lesions near the chest wall is one source of error in mammography. A mediolateral xeroradiograph of the breast which images the chest wall was added to the routine mediolateral and cephalocaudal film-screen projections to minimize this problem. In one case, a posterior breast lesion was...

journal_title：Radiology

authors： Bassett LW,Pagani JJ,Gold RH

更新日期：1980-09-01 00:00:00

abstract：PURPOSE:To determine if three-dimensional (3D) ultrasonography (US) improves the ability to define the location and extent of facial clefting prenatally compared with two-dimensional (2D) US. MATERIALS AND METHODS:Thirty-one fetuses suspected of having a facial cleft were examined prospectively with 2D and 3D US. Foll...

journal_title：Radiology

authors： Johnson DD,Pretorius DH,Budorick NE,Jones MC,Lou KV,James GM,Nelson TR

更新日期：2000-10-01 00:00:00

abstract：:The biodistribution of radiomanganese (54Mn) was studied in mice, rats, and dogs. Disappearance of radioactivity from the blood was extremely rapid, with a half-time of approximately 0.8 minutes. This resulted in very favorable myocardium-to-blood ratios, even at early times after administration. The myocardial uptake...

journal_title：Radiology

authors： Atkins HL,Som P,Fairchild RG,Hui J,Schachner E,Goldman A,Ku T

更新日期：1979-12-01 00:00:00

abstract：PURPOSE:To prospectively investigate the effect of low tube voltage on radiation dose, contrast enhancement, image quality, and image noise at abdominal dynamic computed tomography (CT). MATERIALS AND METHODS:The institutional review board approved this study. Prior informed consent was obtained from all patients. For...

journal_title：Radiology

authors： Nakayama Y,Awai K,Funama Y,Hatemura M,Imuta M,Nakaura T,Ryu D,Morishita S,Sultana S,Sato N,Yamashita Y

更新日期：2005-12-01 00:00:00

abstract：PURPOSE:To determine the effectiveness of magnetic resonance (MR) imaging in the diagnosis of anterolateral impingement of the ankle. MATERIALS AND METHODS:MR images were reviewed in 12 patients (12 ankles) with arthroscopically proved anterolateral impingement and in 19 control subjects (20 ankles) with diagnoses oth...

journal_title：Radiology

authors： Farooki S,Yao L,Seeger LL

更新日期：1998-05-01 00:00:00

abstract：:An unusually prominent soleal line (a normal anatomic variant) may mimic periosteal reaction along the posterior margin of the proximal tibial shaft. This area of pseudoperiostitis is differentiated from hyperostoses arising from the anterior tibial tubercle and the interosseous membrane. It is always associated with ...

journal_title：Radiology

authors： Levine AH,Pais MJ,Berinson H,Amenta PS

更新日期：1976-04-01 00:00:00

abstract：:Purpose To quantify myocardial extracellular volume (ECV) by using cardiac magnetic resonance (MR) imaging in thalassemia major and to investigate the relationship between ECV and myocardial iron overload. Materials and Methods With institutional review board approval and informed consent, 30 patients with thalassemia...

journal_title：Radiology

authors： Hanneman K,Nguyen ET,Thavendiranathan P,Ward R,Greiser A,Jolly MP,Butany J,Yang IY,Sussman MS,Wintersperger BJ

更新日期：2016-06-01 00:00:00

abstract：PURPOSE:To investigate the effect of duration and rate of contrast material injection on aortic peak time and peak enhancement in an injection protocol in which the contrast material dose is adjusted according to patient weight. MATERIALS AND METHODS:One hundred ninety-nine patients were randomly divided into three gr...

journal_title：Radiology

authors： Awai K,Hiraishi K,Hori S

更新日期：2004-01-01 00:00:00

abstract：PURPOSE:To investigate if abnormal early contrast enhancement of the aorta and decreased attenuation of pulmonary arteries at deep-inspiration spiral computed tomographic (CT) angiography might be caused by a patent foramen ovale (PFO). MATERIALS AND METHODS:Two hundred forty-four spiral CT angiographic images of the ...

journal_title：Radiology

authors： Henk CB,Grampp S,Linnau KF,Thurnher MM,Czerny C,Herold CJ,Mostbeck GH

更新日期：2003-03-01 00:00:00

abstract：:Transbronchial biopsy to sample lymph nodes and tumors that are not visible at endoscopy has a poor (<50%) success rate. These nodes can be highlighted easily at virtual computed tomographic (CT) bronchoscopy to provide a guide. This study was performed to evaluate if the addition of this information to the bronchosco...

journal_title：Radiology

authors： Hopper KD,Lucas TA,Gleeson K,Stauffer JL,Bascom R,Mauger DT,Mahraj R

更新日期：2001-11-01 00:00:00

abstract：:Nine patients with biopsy-proved hepatocellular carcinoma underwent percutaneous ethanol ablation therapy (PEAT) with computed tomographic (CT) guidance. Twenty-five ablation sessions were performed in nine lesions ranging in size from 1.8 to 6.5 cm. Repeat biopsy was performed in seven of those nine lesions between 1...

journal_title：Radiology

authors： Joseph FB,Baumgarten DA,Bernardino ME

更新日期：1993-02-01 00:00:00

abstract：:Depiction of small-bowel pathologic conditions was optimized with use of a negative luminal contrast agent, spectral fat suppression, and gadolinium enhancement in an excised gut phantom. The method was applied in nine patients in conjunction with standard enteroclysis examinations. Bulk susceptibility effects of oral...

journal_title：Radiology

authors： Faber SC,Stehling MK,Holzknecht N,Gauger J,Helmberger T,Reiser M

更新日期：1997-10-01 00:00:00

abstract：:Three groups of apparently normal developmental variants in extremities as they appear on radiographs are presented. In contrast to the widely held view that these are of no clinical significance, these ossicles may, in fact, be responsible for symptoms. The first group consists of ossicles which, from the very onset,...

journal_title：Radiology

authors： Lawson JP

更新日期：1985-12-01 00:00:00

abstract：:In situ saphenous vein grafts are being used with increasing frequency for bypass procedures involving the femoral and popliteal arteries. Complications of these procedures include anastomotic stenoses and persistent arteriovenous fistulae that may result in failure of the graft. Balloon angioplasty and embolotherapy ...

journal_title：Radiology

authors： Kinnison ML,Perler BA,Kaufman SL,Mitchell SE,Kadir S,Williams GM,White RI Jr

更新日期：1986-09-01 00:00:00

abstract：:The mediassinum is a relatively uncommon site for a pancreatic pseudocyst. Two such cases are presented, along with a review of 14 additional cases from the English literature. In most cases the pseudocyst is located in the posterior mediastinum, with entry to the mediastinum via the aortic or esophageal hiatus. The m...

journal_title：Radiology

authors： Kirchner SG,Heller RM,Smith CW

更新日期：1977-04-01 00:00:00

abstract：:In 41 patients with clinical evidence of pancreatic islet cell tumors, CT detected 21 of 27 tumors that were proved at surgery (sensitivity 78%) and correctly excluded the diagnosis in 14 of 14 patients with no evidence of tumor at long-term follow-up. Using rapid sequence CT scanning and bolus contrast material infus...

journal_title：Radiology

authors： Stark DD,Moss AA,Goldberg HI,Deveney CW

更新日期：1984-02-01 00:00:00

abstract：:Two successive hepatic arterial embolizations were performed in a patient with hypercalcemia secondary to hepatocellular carcinoma. The first procedure was performed on an emergency basis due to a cardiovascular episode and was immediately beneficial. The second procedure, performed five months later for a recurrence,...

journal_title：Radiology

authors： Roche A,Franco D,Dhumeaux D,Bismuth H,Doyon D

更新日期：1979-11-01 00:00:00

abstract：:The effects of increasing single selective doses of prostaglandin E1 (PGE1) on superior mesenteric arterial flow and portal and systemic blood pressures were studied in dogs to assess its value as a vasodilatory agent for pharmacoangiography. PGE1 consistently increased blood flow, with an average increase of 187%, bu...

journal_title：Radiology

authors： Cho KJ,Chuang VP,Reuter SR

更新日期：1975-07-01 00:00:00

abstract：:Background Cardiac MRI late gadolinium enhancement (LGE) scar volume is an important marker for outcome prediction in patients with hypertrophic cardiomyopathy (HCM); however, its clinical application is hindered by a lack of measurement standardization. Purpose To develop and evaluate a three-dimensional (3D) convolu...

journal_title：Radiology

authors： Fahmy AS,Neisius U,Chan RH,Rowin EJ,Manning WJ,Maron MS,Nezafat R

更新日期：2020-01-01 00:00:00

abstract：:An adaptation of the Papillon technique was developed in which a superficial x-ray machine was used for treatment of small superficially invasive rectal carcinomas. Modification of the proctoscope-treatment cone apparatus, including addition of a fiberoptic scope, allows confirmation of accurate cone placement through...

journal_title：Radiology

authors： Matar JR,Coffey C 2nd,Maruyama Y

更新日期：1988-08-01 00:00:00

abstract：:The most serious and frequent complication of intracranial arteriovenous malformations (AVMs) is intracranial hemorrhage. Identification of patients at greatest risk for intracranial bleeding would be beneficial. Detailed analysis of vascular architecture was performed in 65 patients with intracranial AVMs to identify...

journal_title：Radiology

authors： Marks MP,Lane B,Steinberg GK,Chang PJ

更新日期：1990-09-01 00:00:00

abstract：PURPOSE:To compare the postdural puncture headache (PDPH) rates after myelography with use of 22-gauge Whitacre (blunt tip) versus standard 22-gauge Quincke (bevel-tip) spinal needles. MATERIALS AND METHODS:At myelography, 340 patients were randomly assigned to one of two groups in which either the Whitacre (167 patie...

journal_title：Radiology

authors： Peterman SB

更新日期：1996-09-01 00:00:00

abstract：:Renal failure induced by intravenous iodinated contrast media is a frequent medical problem. While such cases are generally reported first by the clinician, the phenomenon can be seen even earlier by the radiologist. An abnormally persistent nephrogram is a sign of abnormal clearance, which in turn should alert the ph...

journal_title：Radiology

authors： Older R

更新日期：1979-05-01 00:00:00

abstract：:Interstitial lymphangiography performed with intradermal injection of a new nonionic dimeric contrast agent was used to examine 34 normal lower extremities and 35 lower extremities with proved lymphedema. An infusion pump was used to inject 2 mL of the contrast agent into the intradermal interdigital space at a rate o...

journal_title：Radiology

authors： Weissleder H,Weissleder R

更新日期：1989-02-01 00:00:00

abstract：:A high-resolution real-time ultrasound sector scanner was used in the evaluation of patients with suspected gallbladder disease. This technique is noninvasive, requires minimal preparation, and takes less than five minutes for a thorough examination of the gallbladder and related anatomy. In 17 months, 959 patients we...

journal_title：Radiology

authors： Cooperberg PL,Pon MS,Wong P,Stoller JL,Burhenne HJ

更新日期：1979-06-01 00:00:00

abstract：PURPOSE:To differentiate prostate cancers of different histopathologic grades with dynamic gadolinium-enhanced magnetic resonance (MR) imaging. Results with a conventional small-molecular contrast medium (CM) were compared to those with a prototypic macromolecular CM. MATERIALS AND METHODS:High- and low-grade tumors, ...

journal_title：Radiology

authors： Gossmann A,Okuhata Y,Shames DM,Helbich TH,Roberts TP,Wendland MF,Huber S,Brasch RC

更新日期：1999-10-01 00:00:00