Tradeoffs between image quality and dose.

abstract：:Pectus excavatum, the most common congenital deformity of the anterior chest wall, is both a cosmetic and functional abnormality. The degree of abnormal chest wall deformity determines its functional effect, particularly its cardiac and pulmonary impact. Although CT scanning is the most widely used cross-sectional ima...

journal_title：Pediatric radiology

authors： Marcovici PA,LoSasso BE,Kruk P,Dwek JR

更新日期：2011-06-01 00:00:00

abstract：BACKGROUND:We present the case of an 8-year-old girl with acute onset of intermittent lower abdominal pain. The gray-scale US examination showed an enlarged right ovary with peripheral cysts, reflecting ovarian congestion and strongly suggesting the diagnosis of torsion. Normal arterial and venous flow, however, was fo...

journal_title：Pediatric radiology

authors： Hurh PJ,Meyer JS,Shaaban A

更新日期：2002-08-01 00:00:00

abstract：BACKGROUND:Adrenocortical carcinoma (ACC), a tumor that is rare among children, causes clinically evident hormonal disturbances. Imaging methods are used to stage disease and to plan surgical resection. OBJECTIVE:To describe the findings of the various imaging methods used to evaluate ACC. MATERIALS AND METHODS:We re...

journal_title：Pediatric radiology

authors： Ribeiro J,Ribeiro RC,Fletcher BD

更新日期：2000-01-01 00:00:00

abstract：:A seven month old female having a single arterial trunk arising from the aortic arch is presented. The baby also had severe coarctation of the aorta and a patent ductus arteriosus. This anomaly cannot be explained by Edwards' embryonic double aortic arch model. However, it can be explained by persistence of the fifth ...

journal_title：Pediatric radiology

authors： Pearl WR

更新日期：1991-01-01 00:00:00

abstract：:Ultrasound (US) has been proposed as an alternative first-line imaging modality to diagnose community-acquired pneumonia in children. Lung US has the potential benefits over chest radiography of being radiation free, subject to fewer regulatory requirements, relatively lower cost and with immediate bedside availabilit...

journal_title：Pediatric radiology

authors： Stadler JAM,Andronikou S,Zar HJ

更新日期：2017-10-01 00:00:00

abstract：:Three-dimensional printing called rapid prototyping, a technology that is used to create physical models based on a 3-D computer representation, is now commercially available and can be created from CT or MRI datasets. This technical innovation paper reviews the specific requirements and steps necessary to apply biome...

journal_title：Pediatric radiology

authors： Starosolski ZA,Kan JH,Rosenfeld SD,Krishnamurthy R,Annapragada A

更新日期：2014-02-01 00:00:00

abstract：:We present a 16-year-old boy with autoimmune liver disease and longstanding portal hypertension in whom a CT arteriogram demonstrated a large aneurysm arising from the distal, extra-parenchymal portion of the splenic artery. Because of its location adjacent to multiple venous collaterals, the aneurysm was indistinguis...

journal_title：Pediatric radiology

authors： Phillips GS,Vo NJ,Ishak GE,Swanson JO,Otto RK

更新日期：2010-07-01 00:00:00

abstract：:Our aim in this study was to determine whether delaying the initial screening cranial ultrasound on infants of low birth weight until the 2nd week of life affects clinical diagnosis and cost of patient care. Data were reviewed on all premature infants of less than 33 weeks gestation or less than 1500 g birth weight ad...

journal_title：Pediatric radiology

authors： Boal DK,Watterberg KL,Miles S,Gifford KL

更新日期：1995-01-01 00:00:00

abstract：:We report the MRI findings in a 3-month-old boy with isolated left ventricular apical hypoplasia. This is a recently described congenital abnormality that consists of an odd, spherically shaped left ventricle due to absence of the ventricular apex. To our knowledge, isolated left ventricular apical hypoplasia has not ...

journal_title：Pediatric radiology

authors： Marin C,Sanchez ML,Maroto E,Ossaba S,Ruiz Y,Zabala JI

更新日期：2007-07-01 00:00:00

abstract：:The clinical and radiological features of Trisomy of the short arm of the ninth chromosome and of the Nail Patella Syndrome, both of which conditions are related to abnormalities of the ninth chromosome, are compared. Dislocation of the head of radius is seen in both conditions, as is a diminished patello condylar rat...

journal_title：Pediatric radiology

authors： Pilling DW,Levick RK

更新日期：1978-02-28 00:00:00

abstract：:This multicenter collaborative study was undertaken to review the types and complications of femoral neck fractures in children. It is a retrospective clinical and radiological review of 108 femoral neck fractures. Cases originated from four different pediatric hospitals. All the patients had plain radiographs. Fractu...

journal_title：Pediatric radiology

authors： Azouz EM,Karamitsos C,Reed MH,Baker L,Kozlowski K,Hoeffel JC

更新日期：1993-01-01 00:00:00

abstract：:Classic metaphyseal lesions associated with childbirth are rare. We report a distal tibial metaphyseal fracture following a difficult breech delivery. Classic metaphyseal fractures are considered highly specific injuries associated with non-accidental trauma. This case depicts a classic metaphyseal lesion sustained du...

journal_title：Pediatric radiology

authors： Lee GS,Methratta ST,Frasier LD

更新日期：2019-12-01 00:00:00

abstract：:Testicular teratoma is a rare tumor in children. We recently encountered two boys, aged 18 months and 2 years respectively, with this tumor. Sonography revealed an intratesticular mass in both. The first revealed a predominantly cystic lesion with echogenic components along its wall. The second showed a complex mass o...

journal_title：Pediatric radiology

authors： Liu P,Phillips MJ,Edwards VD,Ein S,Daneman A

更新日期：1992-01-01 00:00:00

abstract：:A rare, elusive, mobile, pedunculated nasopharyngeal tumor in a neonate is described. The child was only intermittently symptomatic and the diagnosis was not made until 1 month of age. ...

journal_title：Pediatric radiology

authors： Cook KL,DiPietro MA,Bogdasarian RS

更新日期：1988-01-01 00:00:00

abstract：:In 3 (9 %) of 34 children with biliary atresia, US revealed gallbladder contraction following an oral feed, given on admission, but not with subsequent feeds. Surgery revealed a Kasai type IIIa biliary atresia with a patent communication between the gallbladder and duodenum. We propose that the bile ducts may initiall...

journal_title：Pediatric radiology

authors： Ikeda S,Sera Y,Ohshiro H,Uchino S,Akizuki M,Kondo Y

更新日期：1998-06-01 00:00:00

abstract：BACKGROUND:Artificial intelligence models have been successful in analyzing ordinary photographic images. One type of artificial intelligence model is object detection, where a labeled bounding box is drawn around an area of interest. Object detection can be applied to medical imaging tasks. OBJECTIVE:To demonstrate o...

journal_title：Pediatric radiology

authors： Meda KC,Milla SS,Rostad BS

更新日期：2021-01-05 00:00:00

abstract：:The pituitary gland can demonstrate a variety of pathologies with different clinical presentations. Amongst them, pituitary abscess is a rare infectious disease for which contrast-enhanced MRI aids the diagnostic pathway. We present a 16-year-old girl with imaging and surgical findings consistent with primary pituitar...

journal_title：Pediatric radiology

authors： Shuster A,Gunnarsson T,Sommer D,Miller E

更新日期：2010-02-01 00:00:00

abstract：BACKGROUND:Intestinal blood-flow changes after birth. Objective. To elucidate the factors influencing intestinal blood-flow velocity in preterm infants during the early neonatal period. MATERIALS AND METHODS:We measured blood-flow velocity in the superior mesenteric artery by pulsed Doppler US in 44 uncomplicated infa...

journal_title：Pediatric radiology

authors： Maruyama K,Koizumi T,Tomomasa T,Morikawa A

更新日期：1999-06-01 00:00:00

abstract：:Treatment-related neurotoxicity is a potentially life-threatening clinical condition that can represent a diagnostic challenge. Differentiating diagnoses between therapy-associated brain injury and recurrent disease can be difficult, and the immediate recognition of neurotoxicity is crucial to providing correct therap...

journal_title：Pediatric radiology

authors： Rossi Espagnet MC,Pasquini L,Napolitano A,Cacchione A,Mastronuzzi A,Caruso R,Tomà P,Longo D

更新日期：2017-05-01 00:00:00

abstract：:Seventy-five premature infants weighing between 600 and 3200 g were studied over a period of 1 year. All of the infants received surfactant therapy for hyaline membrane disease immediately after birth and, thereafter, up to four doses every 6 h. The roentgenographic findings in all patients were documented at birth an...

journal_title：Pediatric radiology

authors： Swischuk LE,Shetty BP,John SD

更新日期：1996-01-01 00:00:00

abstract：:The analytical sensitivity of radionuclide 'milk' scans for detecting gastro-oesophageal reflux (GOR) has been assessed using an in vitro simulation test. Five factors were found to affect the ability to detect simulated reflux: isotope concentration, absolute gamma camera sensitivity, absorber thickness overlying the...

journal_title：Pediatric radiology

authors： Paton JY,Cosgriff PS,Nanayakkara CS

更新日期：1985-01-01 00:00:00

abstract：BACKGROUND:The number of multislice CT (MSCT) scans performed in polytraumatized children has increased rapidly. There is growing concern regarding the radiation dose in MSCT and its long-term consequences, especially in children. OBJECTIVE:To determine the effective dose to polytraumatized children who undergo whole-...

journal_title：Pediatric radiology

authors： Munk RD,Strohm PC,Saueressig U,Zwingmann J,Uhl M,Südkamp NP,Kotter E,Langer M,Bley TA

更新日期：2009-03-01 00:00:00

abstract：:The case of a young boy with primary hyperparathyroidism due to an adenoma is reported. The tumor was localized by ultrasonography, and a close correlation between the image and the surgical findings was found. Since primary hyperparathyroidism in children under 15 years of age is frequently due to adenomata larger th...

journal_title：Pediatric radiology

authors： Rodríguez-Cueto G,Manzano-Sierra C,Villalpando-Hernandez S

更新日期：1984-01-01 00:00:00

abstract：BACKGROUND:While several studies have investigated the dose from scattered radiation from X-ray procedures in a pediatric nursery, they examined scatter from chest procedures only, or the types of examination were not specified. OBJECTIVE:The aim of this study was to collect scatter and transmission data from several ...

journal_title：Pediatric radiology

authors： Burrage JW,Rampant PL,Beeson BP

更新日期：2003-10-01 00:00:00

abstract：BACKGROUND:Pleural effusion at presentation in Hodgkin lymphoma has been associated with inferior outcome but has not been systematically evaluated. OBJECTIVE:To determine whether pleural effusion at presentation in children with Hodgkin lymphoma is a primary indicator of poor prognosis or secondary to associated fact...

journal_title：Pediatric radiology

authors： McCarten KM,Metzger ML,Drachtman RA,Pei Q,Friedman DL,Schwartz CL,Kelly KM

更新日期：2018-11-01 00:00:00

abstract：:Abdominal trauma is a leading cause of death in children older than 1 year of age. The spleen is the most common organ injured following blunt abdominal trauma. Pediatric trauma patients present unique clinical challenges as compared to adults, including different mechanisms of injury, physiologic responses, and indic...

journal_title：Pediatric radiology

authors： Lynn KN,Werder GM,Callaghan RM,Sullivan AN,Jafri ZH,Bloom DA

更新日期：2009-09-01 00:00:00

abstract：BACKGROUND:Newborns and small infants have shallow breathing. OBJECTIVE:To suggest criteria for when respiratory gating is necessary during cardiac MRI in newborns and infants. MATERIALS AND METHODS:One-hundred ten data sets of newborns and infants with (n = 92, mean age: 1.9 ± 1.7 [SD] years) and without (n = 18, me...

journal_title：Pediatric radiology

authors： Seeger A,Krumm P,Hornung A,Schäfer JF,Kramer U,Sieverding L

更新日期：2015-09-01 00:00:00

abstract：:Atlas anomalies in terms of clefts and aplasia are rare. They can sometimes simulate fractures and need further evaluation. Imaging in terms of CT and MR can help resolve diagnostic confusion and also outline associated neurological involvement. A rare anomaly of anterior and posterior atlas arch, previously unclassif...

journal_title：Pediatric radiology

authors： Hosalkar HS,Gerardi JA,Shaw BA

更新日期：2001-11-01 00:00:00

abstract：:A solitary hamartomatous polyp of the colon in a four year old boy was diagnosed by colonic sonography while barium enema and colonoscopy were non-diagnostic. Colonic sonography provides an additional simple, relatively non-invasive modality for evaluation of the colon. ...

journal_title：Pediatric radiology

authors： Walter DF,Govil S,Korula A,William RR,Chandy G

更新日期：1992-01-01 00:00:00

abstract：BACKGROUND:The volume of CT examinations has increased with resultant increases in collective dose values over the last decade. OBJECTIVE:To analyze the impact of the tube current and voltage modulation for dose values and image quality of pediatric head CT examinations. MATERIALS AND METHODS:Head CT examinations wer...

journal_title：Pediatric radiology

authors： Santos J,Foley S,Paulo G,McEntee MF,Rainford L

更新日期：2015-11-01 00:00:00