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| 1 | Clinical outcome of pediatric collagenous gastritis: Case series and review of literature显示文摘Collagenous gastritis (CG) is characterized by patchy subepithelial collagen bands. Effective treatment and the clinical and histological outcome of CG in children are poorly defined. The aim of this study is to summarize the published literature on the clinical outcome and response to therapy of pediatric CG including two new cases. We performed a search in Pubmed, OVID for related terms; articles including management and clinical and/or endo-histologic follow up information were included and abstracted. Reported findings were pooled in a dedicated database including the corresponding data extracted from chart review in our patients with CG. Twenty-four patients were included (17 females) with a mean age of 11.7 years. The clinical presentation included iron deficiency anemia and dyspepsia. The reported duration of follow up (in 18 patients) ranged between 0.2-14 years. Despite most subjects presenting with anemia including one requiring blood transfusion, oral iron therapy was only documented in 12 patients. Other treatment modalities were antisecretory measures in 13 patients; proton pump inhibitors (12), or histamine-2 blockers (3), sucralfate (5), prednisolone (6), oral budesonide in 3 patients where one received it in fish oil and triple therapy (3). Three (13%) patients showed no clinical improvement despite therapy; conversely 19 out of 22 were reported with improved symptoms including 8 with complete symptom resolution. Spontaneous clinical resolution without antisecretory, anti-inflammatory or gastroprotective agents was noted in 5 patients (4 received only supplemental iron). Follow up endohistopathologic data (17 patients) included persistent collagen band and stable Mononuclear cell infiltrate in 12 patients with histopathologic improvement in 5 patients. Neither collagen band thickness nor mononuclear cell infiltrate correlated with clinical course. Intestinal metaplasia and endocrine cell hyperplasia were reported (1) raising the concern of long term malignant transformation. In summary, CG in children is a chronic disease, typically with a variable clinical response and an indolent course that is distinct from the adult phenotype. Long term therapy usually inclused iron supplementation but cannot be standardized, given the chronicity of the disease, variability of response and potential for adverse events. | Nadia Mazen Hijaz Seth Steven Septer James Degaetano Thomas Mario Attard | 2013 | World Journal of Gastroenterology2013，19，9： | 5 |
| 2 | Comparison of the use of wireless capsule endoscopy with magnetic resonance enterography in children with inflammatory bowel disease显示文摘BACKGROUND Magnetic resonance enterography (MRE) and wireless capsule endoscopy (WCE) are equally accepted modalities for noninvasive screening of small bowel involvement (SBI) in children with Crohn’s disease (CD) and indeterminate colitis (IC) albeit there is a paucity of data comparing the two and thereby guiding the clinician in selecting the ideal diagnostic approach. Therefore, the goal of this study is to provide additional evidence for capsule endoscopy role in the evaluation of established Crohn’s disease exacerbation compared to MRE in relation to Pediatric Crohn's Disease Activity Index (PCDAI), and histological indices. AIM To prospectively compare the findings of MRE and WCE and their agreement with PCDAI or histology in children with CD or IC. METHODS Consecutive patients diagnosed with CD and IC were screened for inclusion. After informed consent, patient’s demographic and clinical data was abstracted. The current pediatric disease activity index (PCDAI) and endoscopic findings were included. Patients underwent MRE and WCE including preprocedural patency capsule within a maximum of 7 d of each other. Pathological presence of active small bowel disease in ileal and duodenal biopsies were collected if the endoscopy was performed within 2 mo of the WCE study. Patients who failed to pass the PC were excluded from the study. WCE was read by two different experienced gastroenterologists (Attard TM and Colombo JM) blinded to each other's findings and to the findings on MRE (Mardis NJ). Agreement between WCE reviewers, WCE and MRE findings and concordance between positive PCDAI and SBI based on MRE compared with WCE was computed. RESULTS Forty-five patients were included in the study, 18 withdrew and 27 (20 males and 20 CD), mean age (standard deviation) 13.46 (2.4) years, completed the study protocol. There were no instances of capsule retention. Concordance between gastroenterologist reviewers was excellent for the diagnosis of small intestinal CD with good correlation between the two Lewis scores (r=0.875, P<0.001). Concordance between WCE and MRE was poor (69%). In CD patients, when both MRE and WCE were compared using PCDAI>10 as the standard reference reflecting active small intestinal CD, the sensitivity of MRE and WCE were 100% and 83% respectively and the specificity of MRE and WCE were 57.14% and 78.6%, respectively. If the histology in ileum or/and duodenum was used as the reference for active small bowel involvement, WCE had a higher specificity as compared to MRE (83.3% vs 50%). In patients with Crohn’s disease, those with a positive PCDAI (>10) were more likely to have a positive WCE as compared to those with a negative PCDAI (83% vs 21%;P=0.018). CONCLUSION We suggest that MRE and WCE have a complementary role in the assessment of SBI in CD. WCE detected SBI with a much higher specificity while MRE had a higher sensitivity. | Nadia Mazen Hijaz Thomas Mario Attard Jennifer Marie Colombo Neil Joseph Mardis Craig Alan Friesen | 2019 | World Journal of Gastroenterology2019，25，28： | 3 |
| 3 | Complications and trouble shooting of two-stage sacral neuromodnlation therapy: a single-institution experience显示文摘 | Hijaz A Vasavada SP Daneshgari F | 2006 | Urology2006，68，3： | 1 |
| 4 | Underestimation of the presence of breast carcinoma in papillary lesions initially diagnosed at core-needle biopsy显示文摘 | Sydnor MK Wilson JD Hijaz TA | 2007 | Radiology2007，242，1： | 1 |
| 5 | Efficacy ofapixaban when compared with warfarin in relation to renal function in patients with atrial fibriUation: insights from the ARISTOTLE trial显示文摘 | HOHNLOSER S H HIJAZ! Z THOMAS L | 2012 | Eur Heart J2012，33，22： | 1 |
| 6 | Imaging of head trauma显示文摘 | Hijaz TA Cento EA Walker MT | 2011 | Ra-diol Clin N Am2011，49，1： | 1 |
| 7 | An Innovative Technique for Constructing Highly Non-Linear Components of Block Cipher for Data Security against Cyber Attacks显示文摘The rapid advancement of data in web-based communication has created one of the biggest issues concerning the security of data carried over the internet from unauthorized access.To improve data security,modern cryptosystems use substitution-boxes.Nowadays,data privacy has become a key concern for consumers who transfer sensitive data from one place to another.To address these problems,many companies rely on cryptographic techniques to secure data from illegal activities and assaults.Among these cryptographic approaches,AES is a well-known algorithm that transforms plain text into cipher text by employing substitution box(S-box).The S-box disguises the relationship between cipher text and the key to guard against cipher attacks.The security of a cipher using an S-box depends on the cryptographic strength of the respective S-box.Therefore,various researchers have employed different techniques to construct high order non-linear S-box.This paper provides a novel approach for evolving S-boxes using coset graphs for the action of the alternating group A5 over the finite field and the symmetric group S256.The motivation for this work is to study the symmetric group and coset graphs.The authors have performed various analyses against conventional security criteria such as nonlinearity,differential uniformity,linear probability,the bit independence criterion,and the strict avalanche criterion to determine its high cryptographic strength.To evaluate its image application performance,the proposed S-box is also used to encrypt digital images.The performance and comparison analyses show that the suggested S-box can secure data against cyber-attacks. | Abid Mahboob Muhammad Asif Rana Muhammad Zulqarnain Imran Siddique Hijaz Ahmad Sameh Askar Giovanni Pau | 2023 | Computer Systems Science & Engineering2023，47，11： | 1 |
| 8 | Animal modelsof female stress urinary incontinence 显示文摘 | Hijaz A Daneshgari F Sievert KD | 2008 | J Urol2008，179，： | 1 |
| 9 | Over expression of stem cell homing cytokines in urogenital organs following vaginal distention 显示文摘 | Woo LL Hijaz A Kuang M et ctl | 2007 | J Urol2007，177，4： | 1 |
| 10 | Comparative study of hemorrhoidectomy and rubber band ligation in treatment of second and third degree hemorrhoids in kashmir显示文摘 | Gagloo MA Hijaz SW Nasir SA | 2013 | Indian J Surg2013，75，5： | 1 |
| 11 | Animal models of female stress urinary incontinence显示文摘 | Hijaz A Daneshgari F Sievert KD | 2008 | J Urol2008，179，6： | 1 |
| 12 | Underestimation of the presence of breast carcinoma in papillary lesions initially diagnosed at core-needle biopsy显示文摘 | Sydnor MK Wilson JD Hijaz TA | | 0，，01： | 1 |
| 13 | Complications and troubleshooting of two-stage sacral neuromodulation therapy:a single-institution experience显示文摘 | Hijaz A Vasavada SP Daneshgari F | 2006 | Urology2006，68，3： | 1 |
| 14 | The effect of antibiotics on elevated serum prostate specific antigen in patients with urinary symptoms and negative digital rectal examination:a pilot study显示文摘 | Bulbul M A Wazzan W Hijaz A | 2002 | J Med Liban2002，50，12： | 1 |
| 15 | Underestimation of thepresence of breast carcinoma in papillary lesions initially diagnosedat core-needle biopsy显示文摘 | Sydnor M K Wilson J D Hijaz T A e( al | 2007 | Radiology2007，242，1： | 1 |
| 16 | Frequency and di- agnostic utility of intralabyrinthine FLAIR hyperintensity in the evaluation of internal auditory canal and inner ear pathology 显示文摘 | Petrovic BD Futterer SF Hijaz T | 2010 | Acad Radiol2010，17，8： | 1 |
| 17 | Animal models offemale stress urinary incontinence显示文摘 | Hijaz A Daneshgari F Sievert KD | 2008 | J Urol2008，179，6： | 1 |
| 18 | Impact of Parturition on Chemokine Homing Factor Expression in the Vaginal Distention Model of Stress Urinary Incontinence显示文摘 | Andrew T. Lenis Mei Kuang Lynn L. Woo Adonis Hijaz Marc S. Penn Robert S. Butler Raymond Rackley Margot S. Damaser Hadley M. Wood | 2013 | The Journal of Urology2013，，： | 1 |
| 19 | Long-term efficacy of a vaginal sling procedure in a rat model of stress urinary incontinence显示文摘 | Hijaz A Bena J Daneshgari F | 2005 | J Urol2005，173，5： | 1 |
| 20 | Closure of the patent ductus arteriosus with the Amplatzer PDA device:Immediate results of the international clinical trial显示文摘 | Faella H J Hijaze Z M | 2000 | Cathet Cardiovas Interven2000，51，1： | 1 |
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