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https://www.readbyqxmd.com/read/29409075/the-pediatric-patella-normal-development-anatomical-variants-and-malformations-stability-imaging-and-injury-patterns
#1
Ezekiel Maloney, A Luana Stanescu, Anh-Vu Ngo, Marguerite T Parisi, Ramesh S Iyer
We discuss the pediatric patella, with an emphasis on diagnostic imaging. Topics include normal patellar development, anatomical variants and their physiologic significance, genetic syndromes that alter the appearance of the patella, physiology of patellar tracking and stability, patellofemoral instability, and injury patterns and classification. Recognition of appropriate development on imaging prevents diagnostic error and unnecessary evaluation. Knowledge of the pertinent features of syndromes associated with morphological patellar abnormalities can aid in generating a succinct and relevant differential diagnosis...
February 2018: Seminars in Musculoskeletal Radiology
https://www.readbyqxmd.com/read/29406475/pediatric-emergency-provider-sexually-transmitted-infection-screening-practices-in-adolescents-with-oropharyngeal-or-anorectal-chief-complaints
#2
Courtney Gallagher, Susan S Lee, Frances S Shofer, Cynthia J Mollen, Monika K Goyal, Nadia L Dowshen
OBJECTIVES: Sexually transmitted infections (STIs) may present with oropharyngeal or anorectal symptoms. Little is known about the evaluation of adolescents with these complaints in the pediatric emergency department (PED). This study aimed to determine the frequency of and factors associated with STI consideration and testing in this population. METHODS: Retrospective chart review of patients aged 13 to 18 years who presented to an urban PED with oropharyngeal or anorectal chief complaints between June 2014 and May 2015...
February 5, 2018: Pediatric Emergency Care
https://www.readbyqxmd.com/read/29397238/hereditary-swi-snf-complex-deficiency-syndromes
#3
REVIEW
Abbas Agaimy, William D Foulkes
The SWItch Sucrose non-fermentable (SWI/SNF) complex is a highly conserved multi-subunit complex of proteins encoded by numerous genes mapped to different chromosomal regions. The complex regulates the process of chromatin remodelling and hence plays a central role in the epigenetic regulation of gene expression, cell proliferation and differentiation. During the last three decades, the SWI/SNF complex has been increasingly recognized as a central molecular event driving the initiation and/or progression of several benign and malignant neoplasms of different anatomic origin and having diverse histomorphological appearance...
January 31, 2018: Seminars in Diagnostic Pathology
https://www.readbyqxmd.com/read/29246577/the-management-of-myelomeningocele-study-full-cohort-30-month-pediatric-outcomes
#4
Diana L Farmer, Elizabeth A Thom, John W Brock, Pamela K Burrows, Mark P Johnson, Lori J Howell, Jody A Farrell, Nalin Gupta, N Scott Adzick
BACKGROUND: Previous reports from the Management of Myelomeningocele Study (MOMS) demonstrated that prenatal repair of myelomeningocele reduces hindbrain herniation, the need for cerebrospinal fluid shunting, and improves motor function in children with myelomeningocele. The trial was stopped for efficacy after 183 patients had been randomized, but 30-month outcomes were only available at the time of initial publication in 134 mother-child dyads. Data from the complete cohort for the 30-month outcomes are presented here...
December 12, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29186245/dermoscopic-patterns-of-melanocytic-nevi-in-children-and-adolescents-a-cross-sectional-study
#5
Christiane Donato Piazza, Sergio Yamada, Aline P Marcassi, Marina G Maciel, Maria P Seize, Silmara C P Cestari
BACKGROUND: Childhood is a dynamic period regarding nevogenesis. Dermoscopy is a noninvasive technique, recommended for the evaluation of pigmented cutaneous lesions. OBJECTIVES: The purpose of this study was to describe the structures and dermoscopic patterns of melanocytic nevi observed in children and adolescents. METHODS: Dermoscopy with photographic documentation was used for nevi located on the face, trunk, and extremities of 38 patients aged from one to 16 years examined at the Pediatric Dermatology Outpatient Clinic of the Federal University of São Paulo...
May 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28974851/accidental-heart-murmurs
#6
REVIEW
Edin Begic, Zijo Begic
INTRODUCTION: Accidental murmurs occur in anatomically and physiologically normal heart. Accidental (innocent) murmurs have their own clearly defined clinical characteristics (asymptomatic, they require minimal follow-up care). AIM: To point out the significance of auscultation of the heart in the differentiation of heart murmurs and show clinical characteristics of accidental heart murmurs. MATERIAL AND METHODS: Article presents review of literature which deals with the issue of accidental heart murmurs in the pediatric cardiology...
August 2017: Medical Archives
https://www.readbyqxmd.com/read/28948192/investigation-of-the-sensitivity-of-functional-near-infrared-spectroscopy-brain-imaging-to-anatomical-variations-in-5-to-11-year-old-children
#7
Ashley C Whiteman, Hendrik Santosa, Daniel F Chen, Susan Perlman, Theodore Huppert
Functional near-infrared spectroscopy (fNIRS) is a noninvasive brain imaging technique that uses scalp-placed light sensors to measure evoked changes in cerebral blood oxygenation. The portability, low overhead cost, and ability to use this technology under a wide range of experimental environments make fNIRS well-suited for studies involving infants and children. However, since fNIRS does not directly provide anatomical or structural information, these measurements may be sensitive to individual or group level differences associated with variations in head size, depth of the brain from the scalp, or other anatomical factors affecting the penetration of light into the head...
January 2018: Neurophotonics
https://www.readbyqxmd.com/read/28915233/the-utility-of-stem-cells-in-pediatric-urinary-bladder-regeneration
#8
REVIEW
Philip M Iannaccone, Vasil Galat, Matthew I Bury, Yongchao C Ma, Arun K Sharma
Pediatric patients with a neurogenic urinary bladder caused by developmental abnormalities including spina bifida exhibit chronic urological problems. Surgical management in the form of enterocystoplasty is used to enlarge the bladder but is associated with significant clinical complications. Thus, alternative methods to enterocystoplasty have been explored through the incorporation of stem cells with tissue engineering strategies. Within the context of this review, we will examine the use of bone marrow stem cells and induced pluripotent stem cells (iPSCs) as they relate to bladder regeneration at the anatomic and molecular levels...
September 15, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28888814/primary-and-secondary-enuresis-pathophysiology-diagnosis-and-treatment
#9
REVIEW
Bernhard Haid, Serdar Tekgül
CONTEXT: Enuresis is a common and possibly underestimated condition. While 5-10% of school-aged children suffer from the condition, a lack of background knowledge may impede timely child-adapted and successful therapy. OBJECTIVE: To provide a comprehensive overview of the pathophysiology, diagnosis, and treatment of enuresis. EVIDENCE ACQUISITION: Guideline and position papers from the European Society of Pediatric Urology, the European Association of Urology, and the International Children's Continence Society were acquired...
April 2017: European Urology Focus
https://www.readbyqxmd.com/read/28840306/role-of-magnetic-resonance-urography-in-pediatric-renal-fusion-anomalies
#10
REVIEW
Sherwin S Chan, Aikaterini Ntoulia, Dmitry Khrichenko, Susan J Back, Gregory E Tasian, Jonathan R Dillman, Kassa Darge
Renal fusion is on a spectrum of congenital abnormalities that occur due to disruption of the migration process of the embryonic kidneys from the pelvis to the retroperitoneal renal fossae. Clinically, renal fusion anomalies are often found incidentally and associated with increased risk for complications, such as urinary tract obstruction, infection and urolithiasis. These anomalies are most commonly imaged using ultrasound for anatomical definition and less frequently using renal scintigraphy to quantify differential renal function and assess urinary tract drainage...
December 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28833997/role-of-surface-electrocardiogram-precordial-leads-in-localizing-different-anatomic-sites-of-ectopic-atrial-tachycardia-arising-from-lower-right-atrium-in-pediatric-population
#11
Lamyaa Elsayed Allam, Rania Samir Ahmed, Mazen Tawfik Ghanem
BACKGROUND: The study was designed to examine P wave morphology (PWM) in precordial leads (V1 -V6 ) during ectopic atrial tachycardia (EAT) originating from low right atrium (RA) to identify the anatomic sites of these foci in children. METHODS: Twenty-three consecutive pediatric patients (56% females, mean age 8.5 ± 2.5) with EAT originating from the low RA underwent detailed atrial endocardial activation mapping and radiofrequency ablation. PWM during EAT was analyzed using standard 12-lead ECG in relation to successful ablation sites in RA...
August 19, 2017: Annals of Noninvasive Electrocardiology
https://www.readbyqxmd.com/read/28782373/correlating-resting-state-functional-magnetic-resonance-imaging-connectivity-by-independent-component-analysis-based-epileptogenic-zones-with-intracranial-electroencephalogram-localized-seizure-onset-zones-and-surgical-outcomes-in-prospective-pediatric-intractable
#12
Varina L Boerwinkle, Deepankar Mohanty, Stephen T Foldes, Danielle Guffey, Charles G Minard, Aditya Vedantam, Jeffrey S Raskin, Sandi Lam, Margaret Bond, Lucia Mirea, P David Adelson, Angus A Wilfong, Daniel J Curry
The purpose of this study was to prospectively investigate the agreement between the epileptogenic zone(s) (EZ) localization by resting-state functional magnetic resonance imaging (rs-fMRI) and the seizure onset zone(s) (SOZ) identified by intracranial electroencephalogram (ic-EEG) using novel differentiating and ranking criteria of rs-fMRI abnormal independent components (ICs) in a large consecutive heterogeneous pediatric intractable epilepsy population without an a priori alternate modality informing EZ localization or prior declaration of total SOZ number...
September 2017: Brain Connectivity
https://www.readbyqxmd.com/read/28766875/species-differences-in-renal-development-and-associated-developmental-nephrotoxicity
#13
REVIEW
Kendall S Frazier
The developing kidney is sensitive to both morphological and functional disturbances during the gestational and postnatal phases of growth and differentiation. Exposure to drugs or chemicals during these critical windows of renal development can result in aplasia, dysplasia, polycystic kidney disease, hydronephrosis, or other features characteristic of nephrotoxicity, including tubule dilation, necrosis, or mineralization. Functional effects can occur without associated morphological abnormalities. Differences in the timing of nephrogenesis and morphologic renal development among species help to explain specific phenotypes of various gestational and postnatal teratogens and nephrotoxins...
October 2, 2017: Birth defects research
https://www.readbyqxmd.com/read/28683115/using-machine-learning-and-surface-reconstruction-to-accurately-differentiate-different-trajectories-of-mood-and-energy-dysregulation-in-youth
#14
Amelia Versace, Vinod Sharma, Michele A Bertocci, Genna Bebko, Satish Iyengar, Amanda Dwojak, Lisa Bonar, Susan B Perlman, Claudiu Schirda, Michael Travis, Mary Kay Gill, Vaibhav A Diwadkar, Jeffrey L Sunshine, Scott K Holland, Robert A Kowatch, Boris Birmaher, David Axelson, Thomas W Frazier, L Eugene Arnold, Mary A Fristad, Eric A Youngstrom, Sarah M Horwitz, Robert L Findling, Mary L Phillips
Difficulty regulating positive mood and energy is a feature that cuts across different pediatric psychiatric disorders. Yet, little is known regarding the neural mechanisms underlying different developmental trajectories of positive mood and energy regulation in youth. Recent studies indicate that machine learning techniques can help elucidate the role of neuroimaging measures in classifying individual subjects by specific symptom trajectory. Cortical thickness measures were extracted in sixty-eight anatomical regions covering the entire brain in 115 participants from the Longitudinal Assessment of Manic Symptoms (LAMS) study and 31 healthy comparison youth (12...
2017: PloS One
https://www.readbyqxmd.com/read/28680947/beyond-endemic-burkitt-lymphoma-navigating-challenges-of-differentiating-childhood-lymphoma-diagnoses-amid-limitations-in-pathology-resources-in-lilongwe-malawi
#15
Nader Kim El-Mallawany, Mercy Mutai, Idah Mtete, Satish Gopal, Christopher C Stanley, Peter Wasswa, Mary Mtunda, Mary Chasela, William Kamiyango, Jimmy Villiera, Yuri Fedoriw, Nathan D Montgomery, George N Liomba, Coxcilly Kampani, Robert Krysiak, Katherine D Westmoreland, Maria H Kim, Jeremy S Slone, Michael E Scheurer, Carl E Allen, Parth S Mehta, Peter N Kazembe
Background. Although Burkitt lymphoma (BL) is the most common childhood lymphoma in sub-Saharan Africa, Hodgkin lymphoma (HL) and other non-Hodgkin lymphomas occur. Diagnosing non-jaw mass presentations is challenging with limited pathology resources. Procedure. We retrospectively analyzed 114 pediatric lymphomas in Lilongwe, Malawi, from December 2011 to June 2013 and compared clinical versus pathology-based diagnoses over two time periods. Access to pathology resources became more consistent in 2013 compared with 2011-2012; pathology interpretations were based on morphology only...
2017: Global Pediatric Health
https://www.readbyqxmd.com/read/28565919/age-and-anatomical-location-related-dermoscopic-patterns-of-210-acral-melanocytic-nevi-in-a-turkish-population
#16
Nazan Emiroglu, Fatma Pelin Cengiz, Nahide Onsun
BACKGROUND: Dermoscopy is a useful tool for earlier diagnosis and differentiating benign lesions from melanoma. OBJECTIVES: We aim to investigate dermoscopic features of acral nevi, age, and localisation-related findings of these lesions. METHODS: This was an observational, descriptive study. Patients were retrospectively collected from the Department of Dermatology. The patients with acral nevi were included in the study. Inclusion criteria were Turkish nationality and the presence of at least 1 acral nevus diagnosed both clinically and dermoscopically...
May 1, 2017: Journal of Cutaneous Medicine and Surgery
https://www.readbyqxmd.com/read/28473090/acr-appropriateness-criteria%C3%A2-suspected-physical-abuse-child
#17
Sandra L Wootton-Gorges, Bruno P Soares, Adina L Alazraki, Sudha A Anupindi, Jeffrey P Blount, Timothy N Booth, Molly E Dempsey, Richard A Falcone, Laura L Hayes, Abhaya V Kulkarni, Sonia Partap, Cynthia K Rigsby, Maura E Ryan, Nabile M Safdar, Andrew T Trout, Roger F Widmann, Boaz K Karmazyn, Susan Palasis
The youngest children, particularly in the first year of life, are the most vulnerable to physical abuse. Skeletal survey is the universal screening examination in children 24 months of age and younger. Fractures occur in over half of abused children. Rib fractures may be the only abnormality in about 30%. A repeat limited skeletal survey after 2 weeks can detect additional fractures and can provide fracture dating information. The type and extent of additional imaging for pediatric patients being evaluated for suspected physical abuse depends on the age of the child, the presence of neurologic signs and symptoms, evidence of thoracic or abdominopelvic injuries, and social considerations...
May 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28468226/characteristics-of-pediatric-cheek-mass
#18
Ye Seul Eom, So Young Lim
PURPOSE: Patients with cheek mass are often referred to our medical center's department of plastic surgery. Most patients with deep cheek mass have the characteristic of a slowly growing, painless mass. We reviewed the lesion's pathology of this complex anatomic area in the pediatric population, focusing on differential diagnosis and the recent surgical strategies. METHODS: We retrospectively reviewed 56 patients visiting our department from 2009 to 2016. Data analysis included the patients' lesion characteristics, clinical presentation, presumptive diagnosis, results of preoperative investigations, pathological diagnosis, and treatment details...
May 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28258904/a-simplified-approach-to-encephalitis-and-its-mimics-key-clinical-decision-points-in-the-setting-of-specific-imaging-abnormalities
#19
Colin D McKnight, Aine M Kelly, Myria Petrou, Anna E Nidecker, Matthew T Lorincz, Duaa K Altaee, Stephen S Gebarski, Bradley Foerster
RATIONALE AND OBJECTIVES: Infectious encephalitis is a relatively common cause of morbidity and mortality. Treatment of infectious encephalitis with antiviral medication can be highly effective when administered promptly. Clinical mimics of encephalitis arise from a broad range of pathologic processes, including toxic, metabolic, neoplastic, autoimmune, and cardiovascular etiologies. These mimics need to be rapidly differentiated from infectious encephalitis to appropriately manage the correct etiology; however, the many overlapping signs of these various entities present a challenge to accurate diagnosis...
June 2017: Academic Radiology
https://www.readbyqxmd.com/read/28145924/characteristics-of-pediatric-cheek-mass
#20
Ye Seul Eom, So Young Lim
PURPOSE: Patients with cheek mass are often referred to our medical center's department of plastic surgery. Most patients with deep cheek mass have the characteristic of a slowly growing, painless mass. We reviewed the lesion's pathology of this complex anatomic area in the pediatric population, focusing on differential diagnosis and the recent surgical strategies. METHODS: We retrospectively reviewed 56 patients visiting our department from 2009 to 2016. Data analysis included the patients' lesion characteristics, clinical presentation, presumptive diagnosis, results of preoperative investigations, pathological diagnosis, and treatment details...
January 31, 2017: Journal of Craniofacial Surgery
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