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| 1 | Imaging in male-factor obstructive infertility显示文摘The main purpose of imaging evaluation in male infertility is to identify and treat correctable causes of infertility, such as obstruction of the seminal tract. Various imaging modalities are available to evaluate men with obstructive infertility including scrotal ultrasonography, transrectal ultrasound (TRUS), vasography, magnetic resonance imaging, seminal vesicle aspiration, seminal tract washout, and seminal vesiculography. To date the most reliable and accurate diagnostic technique for obstructive infertility is unclear. In this review article, we report the role of these modalities in diagnosis of obstructive infertility. Scrotal sonography is the initial modality, and if patient results indicate non obstructive azoospermia as varicocele or testicular pathology they will be treated according to standard protocols for management of these pathologies. If the patient findings indicate proximal obstructive azoospermia, they can be managed by vasoepididymostomy. If the scrotal ultrasound is normal, TRUS is the second imaging modality. Accordingly, they are classified into patients with criteria of obstructive infertility without urogenital cysts where TRUS-guided aspiration and seminal vesiculography can be performed and transurethral resection of the ejaculatory ducts (TURED) will be the management of choice. In patients with urogenital cyst, TRUS-guided cyst aspiration and opacification are performed. Ifthe cyst is communicating with the seminal tract, management will be transurethral incision of the cyst. If the cyst is not in communication, the obstruction may be relieved after cyst aspiration. If the obstruction is not relieved, TURED will be the management of choice. Sperm harvested during aspiration may be stored and used in assisted reproduction techniques. If the results of TRUS are inconclusive or doubtful, endorectal magnetic resonance imaging should be performed to serve as a 'detailed map' for guiding corrective operative interventions. | Ragab H Donkol | 2010 | World Journal of Radiology2010，2，5： | 5 |
| 2 | 对由磁性的回声成像的灰色的事 heterotopia 的评价显示文摘 AIM:To evaluate magnetic resonance imaging(MRI) features of different types of gray matter heterotopia.METHODS:Between June 2005 and December 2009,the medical records and MRI studies of patients with gray matter heterotopia were reviewed.The MRI morphologic findings of heterotopia were recorded along with the presence and type of associated cranial malformations.Available clinical and electrophysiological data were also recorded.RESULTS:20 patients were included in the study.Their ages ranged from 9 mo to 39 years with a mean age of 15 years.All patients suffered from epileptic seizures.According to the location of heterotopia,patients were classified into three groups:subependymal(12),subcortical(5) and band(3) heterotopia.CONCLUSION:MRI was useful in diagnosing and differentiating between various types of gray matter heterotopia.The severity of clinical manifestations of heterotopia was related to the location and pattern of heterotopia.Determination of heterotopia type and its extent is useful for management planning and predicting prognosis. | Ragab H Donkol Khaled M Moghazy Alaeddin Abolenin | 2012 | World Journal of Radiology2012，4，3： | 4 |
| 3 | Role of color Doppler in differentiation of Graves' disease and thyroiditis in thyrotoxicosis显示文摘AIM:To evaluate the role of thyroid blood flow assessment by color-flow Doppler ultrasonography in the differential diagnosis of thyrotoxicosis and compare it to technetium pertechnetate thyroid scanning. METHODS:Twenty-six patients with thyrotoxicosis were included in the study. Clinical history was taken and physical examination and thyroid function tests were performed for all patients. Thyroid autoantibodies were measured. The thyroid glands of all patients were evaluated by gray scale ultrasonography for size, shape and echotexture. Color-flow Doppler ultrasonography of the thyroid tissue was performed and spectral flow analysis of both inferior thyroid arteries was assessed. Technetium99 pertechnetate scanning of the thyroid gland was done for all patients. According to thyroid scintigraphy, the patients were divided into two groups:18 cases with Graves' disease and 8 cases with Hashimoto's thyroiditis. All patients had suppressed thyrotropin. The diagnosis of Graves' disease and Hashimoto's thyroiditis was supported by the clinical picture and follow up of patients. RESULTS:Peak systolic velocities of the inferior thyroid arteries were significantly higher in patients with Graves' disease than in patients with thyroiditis (P = 0.004 in the right inferior thyroid artery and P = 0.001 in left inferior thyroid artery). Color-flow Doppler ultrasonography parameters demonstrated a sensitivity of 88.9% and a specificity of 87.5% in the differential diagnosis of thyrotoxicosis. CONCLUSION:Color Doppler flow of the inferior thyroid artery can be used in the differential diagnosis of thyrotoxicosis, especially when there is a contraindication of thyroid scintigraphy by radioactive material in some patients. | Ragab Hani Donkol Aml Mohamed Nada Sami Boughattas | 2013 | World Journal of Radiology2013，5，4： | 4 |
| 4 | Quantification of epicardial fat:Which method can predict significant coronary artery disease?显示文摘AIM:To compare the predictive value of three methods of epicardial fat(EF) assessment for presence of significant coronary artery disease(CAD) [i.e.,epicardial fat volume(EFV),EFV indexed with body surface area(EFV/BSA) and EFV indexed with body mass index(EFV/BMI)].METHODS:The study was performed on 170 patients(85 women and 85 men) with clinical suspicion of CAD.They aged 26-89 years with a median age of 54 years.The patients were classified into three groups:Group 1:58 patients with normal coronary arteries; group 2:48 patients with non-significant CAD and group 3:64 patients with significant CAD.The three methods for assessment of epicardial fat were retrospectively studied to determine the best method to predict the presence of significant CAD.RESULTS:The three methods for epicardial fat quantification and measurements,i.e.,EFV,EFV/BSA and EFV/BMI with post- hoc analysis showed a significant difference between patients with significant coronary artery disease compared to the normal group.Receiver operating characteristic curve analysis showed no significant difference between the three methods of epicardial fat measurements,the area under curve ranging between 0.6 and 0.62.The optimal cut-off was 80.3 cm3 for EFV,2.4 cm3/m2 for EFV indexed with BMI and 41.7 cm3/(kg/m2) for EFV indexed with BSA.For this cut-off the sensitivity ranged between 0.92 and 0.94,while specificity varied from 0.31 to 0.35.CONCLUSION:Any one of the three methods for assessment of epicardial fat can be used to predict significant CAD since all have the same equivalent predictive value. | Zizi Saad Mohamed El-Rawy Ragab H Donkol Sami Boghattas | 2015 | World Journal of Cardiology2015，7，5： | 2 |
| 5 | Efficacy of percutaneous radiofrequency ablation of osteoid osteoma in children显示文摘 | Donkol RH Al Nammi A Moghazi K | 2008 | Pediatr Ra diol2008，38，2： | 1 |
| 6 | Mullerian duct cyst as a cause of acute infantile-onset epididymitis 显示文摘 | Donkol RH Monib S Moghazy K | 2006 | Pediatr Radiol2006，36，11： | 1 |
| 7 | Paternity after varicocelectomy:preoperative sonographic parameters of success显示文摘 | Donkol RH Salem T | 2007 | JUltrasound Med2007，26，5： | 1 |
| 8 | Paternity after varicocelectomy:preoperative sonographic parameters of success显示文摘 | Donkol RH Salem T | 2007 | J Ultrasound Med2007，26，5： | 1 |
| 9 | Myocardial bridging analysis by coronary computed tomographic angiography in a Saudi population显示文摘AIM: To assess the incidence, location, morphology and clinical association of myocardial bridging in a Saudi population using coronary computed tomographic angiography(CCTA). METHODS: A total of 350 CCTA of Saudi patients were included in this study(236 men, 114 women) with a mean age of 56.3 years. All patients were examined for appropriateness criteria of CCTA indications(typical chest pain, recent onset cardiomyopathy, left bundle branch block, etc.). The scans were retrospectively reviewed for the presence of myocardial bridging and any other pathological association. RESULTS: Myocardial bridging was found in 89 of 350(22.5%) patients. Most of the intramuscular segments were of the superficial type and found in the mid left anterior descending(LAD)(24.6%), followed by distal LAD(3.7%), diagonal branches(2%), ramus intermedius artery(1.4%) and obtuse marginal artery(0.8%). No myocardial bridging was detected in the right coronary or circumflex arteries. No significant differences were found between males and females(P = 0.14). Coronary artery atherosclerosis was found in 51 of 89(57.3%) patients with MB. Atherosclerotic plaques were not detected in the intramuscular or distal segment of bridging arteries. Dynamic compression was observed in 35(94.5%) patients with full encasement. No evidence of myocardial hypoperfusion was found in the territories supplied by the bridging arteries. CONCLUSION: CCTA is excellent in analyzing myocardial bridging in a Saudi population and the results are comparable to other populations. However, finding the real incidence may need a large multicenter study. | Ragab Hani Donkol Zizi Saad | 2013 | World Journal of Cardiology2013，5，11： | 1 |
| 10 | Mullerian duct cyst as a cause of acute infantile onset epididymitis显示文摘 | Donkol R H Monib S Moghazy K | | 0，，11： | 1 |
| 11 | Paternity After Vaficocelec my: Preoperative Sonographic Parameters of Success 显示文摘 | Ragab H Donkol Tarek Salem | 2007 | J Ultrasound Med2007，26，5： | 1 |
| 12 | Paternity after varicocelectomy : preoperative sonographic parameters of success 显示文摘 | Donkol RH Salem T | 2007 | J Ultrasound Med2007，26，5： | 1 |
| 13 | Paternity after varicoceleetomy : preoperative sonographie parameters of success 显示文摘 | Donkol RH Salem T | 2007 | J Ultrasound Med2007，26，5： | 1 |
| 14 | Efficacy of percutaneousradiofrequency ablation of osteoid osteoma in children 显示文摘 | Donkol RH Al-Nammi A Moghazi K | 2008 | Pedi-atr Radiol2008，38，： | 1 |
| 15 | Paternity after varicocelectomy: preoperative sonographic parameters of success显示文摘 | Donkol RH Salem T | 2007 | J Ultrasound Med2007，26，5： | 1 |
| 16 | Percutaneous cecostomy in the management of organic fecal incontinence in children显示文摘AIM:To assess the effectiveness and safety of imagingguided percutaneous cecostomy in the management of pediatric patients with organic fecal incontinence.METHODS:Twenty three cecostomies were performed on 21 children with organic fecal incontinence(13 males,8 females),aged from 5 to 16 years(mean 9.5 years).Thirteen patients had neurogenic fecal incontinence and 8 patients had anorectal anomalies.Procedures were performed under general anesthesia and fluoroscopic guidance.Effectiveness and complication data were obtained for at least 1 year after the procedure.RESULTS:Cecostomy was successful in 20 patients(primary technical success rate 95).Cecostomy failed in one patient due to tube breakage(secondary technical success rate 100).The tubes were in situ for an average of 18 mo(range 12-23 mo).Eighteen patients(87) expressed satisfaction with the procedures.Resolution of soiling was achieved in all patients with neurogenic fecal incontinence(100) and in 5 of 8 patients with anorectal anomalies(62.5).Eleven patients(52) experienced minor problems.No major complications were noted.CONCLUSION:Percutaneous cecostomy improves the quality of life in children with organic fecal incontinence.A satisfactory outcome is more prevalent in patients with neurogenic fecal incontinence than anorectal anomalies. | Ragab Hani Donkol Ahmed Al-Nammi | 2010 | World Journal of Radiology2010，2，12： | 0 |
| 17 | Percutaneous imaging-guided interventions for acute biliary disorders in high surgical risk patients显示文摘AIM:To evaluate the efficacy of percutaneous imagingguided biliary interventions in the management of acute biliary disorders in high surgical risk patients.METHODS:One hundred and twenty two patients underwent 139 percutaneous imaging-guided biliary interventions during the period between January 2007 to December 2009.The patients included 73 women and 49 men with a mean age of 61 years(range 35-90 years).Fifty nine patients had acute biliary obstruction,26 patients had acute biliary infection and 37 patients had abnormal collections.The procedures were performed under computed tomography(CT)-(73 patients),sonographic-(41 patients),and fluoroscopic-guidance(25 patients).Success rates and complications were determined.The χ2 test with Yates' correction for continuity was applied to compare between these procedures.A P value < 0.05 was considered significant.RESULTS:The success rates for draining acute biliary obstruction under CT-,fluoroscopy-or ultrasoundguidance were 93.3,62.5 and 46.1,respectively with significant P values(P = 0.026 and 0.002,respectively).In acute biliary infection,successful drainage was achieved in 22 patients(84.6).The success rates in patients drained under ultrasound-and CT-guidance were 46.1 and 88.8,respectively and drainage under CT-guidance was significantly higher(P = 0.0293).In 13 patients with bilomas,percutaneous drainage was successful in 11 patients(84.6).Ten out of 12 cases with hepatic abscesses were drained with a success rate of 83.3.In addition,the success rate of drainage in 12 cases with pancreatic pseudocysts was 83.3.The reported complications were two deaths,four major and seven minor complications.CONCLUSION:Percutaneous imaging-guided biliary interventions help to promptly diagnose and effectively treat acute biliary disorders.They either cure the disorders or relieve sepsis and jaundice before operations. | Ragab Hani Donkol Nahed Abdel Latif Khaled Moghazy | 2010 | World Journal of Radiology2010，2，9： | 0 |
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