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Accuracy of Ultrasound in the Diagnosis of Acute Appendicitis and Correlation with Histopathology 超声诊断急性阑尾炎的准确性及其与组织病理学的关系
Pub Date : 2018-12-31 DOI: 10.3126/NJR.V8I2.22975
A. Shrestha, H. Khadka, Baburam Poudel, R. B. Basnet, S. Basnet
Introduction: Acute appendicitis is a common surgical condition; yet its diagnosis can be elusive at times and missed diagnosis can lead to attendant complications of perforation and its sequelae. On the contrary, negative appendectomy subjects one to unnecessary surgery and its physiological and psychological consequences. Among the various available modalities of diagnosis of appendicitis, Ultrasonography(USG) is easily accessible, non invasive, less time consuming, low cost investigation no radiation hazards. So, USG is appropriate diagnostic modality in our country.Methods: This prospective observational study was carried out from January 2011 to June 2011, in the radiology department of Bir hospital. Total of 80 cases with clinical impression of acute appendicitis were enrolled. These patients underwent surgery for suspected acute appendicitis. Details of signs and symptoms, lab findings including Total Leukocyte count (TLC), Differential Leukocyte Count (DLC) and USG findings were recorded. Intra-operative and histopathology findings were also recorded. The findings were analyzed to assess accuracy of ultrasonography in acute appendicitis. Histopathological report was considered the goal standard.Results: A total of 93 cases clinically diagnosed as acute appendicitis were subjected for USG. Out of 93 cases, 80 cases underwent surgery. Among 80 cases, sonography showed acute appendicitis in 56 cases out of which 54 was proved by histopathology as well. However, ultrasonography was not able to detect appendicitis in 9 cases. The sensitivity and specificity of USG for acute appendicitis were 87.7% and 88.2% respectively. The positive and negative predictive values were 96.4% and 62.5% respectively. Overall negative appendectomy rate of 21.2% had been used a basis for decision making, the rate of error being 13.7%.Conclusion: Ultrasonography is a fairly accurate and safe modality in acute appendicitis. It can be useful in reducing negative appendectomy rate.
简介:急性阑尾炎是一种常见的外科疾病;然而,其诊断有时难以捉摸,漏诊可导致伴随穿孔及其后遗症的并发症。相反,阴性阑尾切除术会给患者带来不必要的手术和生理和心理后果。在阑尾炎的多种诊断方法中,超声检查具有方便、无创、费时、费用低、无辐射危害等优点。因此,超声心动图是适合我国的诊断方式。方法:本前瞻性观察研究于2011年1月至2011年6月在Bir医院放射科进行。我们收集了80例临床表现为急性阑尾炎的病例。这些患者因疑似急性阑尾炎而接受手术治疗。记录体征和症状的细节,实验室检查结果包括总白细胞计数(TLC),白细胞计数(DLC)和USG结果。同时记录术中及组织病理学结果。分析超声诊断急性阑尾炎的准确性。组织病理学报告被认为是目标标准。结果:93例临床诊断为急性阑尾炎的患者行超声造影。93例中有80例接受了手术治疗。80例中超声提示急性阑尾炎56例,病理证实54例。9例阑尾炎超声未检出。USG对急性阑尾炎的敏感性和特异性分别为87.7%和88.2%。阳性预测值为96.4%,阴性预测值为62.5%。阑尾切除术总体阴性率为21.2%,误差率为13.7%。结论:超声检查对急性阑尾炎是一种相当准确、安全的检查方法。可有效降低阑尾切除术阴性率。
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引用次数: 3
Implications of Ultrasonography in the Diagnosis and Management of Patients Presenting with Non-Traumatic Acute Abdominal Pain in a Tertiary Hospital of Mid-Western Region of Nepal 超声检查在尼泊尔中西部地区某三级医院非外伤性急性腹痛诊断和治疗中的意义
Pub Date : 2018-12-31 DOI: 10.3126/njr.v8i2.22980
Prasanna Ghimire, N. Paudel, D. Koirala, B. P. Singh
Introduction: Acute abdomen is the most common condition for patients presenting in the emergency. Ultrasound among other imaging modalities is the most common diagnostic tool employed in the diagnosis of such cases.Methods: A prospective study of consecutive patients presenting with acute abdomen fulfilling the inclusion and exclusion criteria were included in the study. Ultrasound was performed by single radiologist and findings were correlated to the clinical, pathological and surgical findings.Results: A total of 248 patients fulfilled all criteria and were included in the study. The age of patients ranged from 15-62 years with mean age of 41.3 years. There was female predominance with a male to female ratio of 1:1.8. Ultrasound accurately diagnosed 233 cases (93.9 %). Urolithiasis was the most common finding (45.16%) followed by acute appendicitis (19.35%).Conclusion: Ultrasound has pivotal role in the diagnosis and overall management of patient presenting with acute abdomen. Urolithiasis is the most common etiology for non- traumatic acute abdomen.
急腹症是急诊患者最常见的症状。超声在其他成像方式是最常见的诊断工具,用于诊断这类病例。方法:对符合纳入和排除标准的连续急腹症患者进行前瞻性研究。超声检查由单一放射科医师进行,其结果与临床、病理和手术表现相关。结果:共有248例患者符合所有标准并被纳入研究。患者年龄15 ~ 62岁,平均年龄41.3岁。雌性为优势,雌雄比为1:8 .8。超声准确诊断233例(93.9%)。尿石症最常见(45.16%),其次是急性阑尾炎(19.35%)。结论:超声在急腹症的诊断和综合治疗中具有重要作用。尿石症是非外伤性急腹症最常见的病因。
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引用次数: 0
Role of Ultrasound in Detection of Abruptio Placentae and its Clinical Correlation 超声在胎盘早剥诊断中的作用及其临床意义
Pub Date : 2018-12-31 DOI: 10.3126/NJR.V8I2.22982
Sangeeta Gurung, J. Shrestha, P. Sharma
Introduction: Abruptio placentae is one of the major complications in second half of pregnancy. It accounts for 0.4-1 % of all deliveries. With the advent of ultrasonography, though abruptio placentae has been diagnosed however the sensitivity is less. Those patients clinically suspicious of abruption placenta with negative ultrasound findings can have positive intrapartum findings suggestive of abruptio. Fetal outcome is associated with the gestational age. Preterm deliveries with abruption have higher incidence of perinatal morbidity and mortality as compared to term pregnancies.Methods: It is a prospective study conducted in Manipal Teaching Hospital, Pokhara from July 2017 to July 2018. All the cases of more than twenty eight weeks gestation, singleton pregnancies without preexisting maternal medical diseases suspicious of abruption placentae were included in the study. Ultrasonological and intrapartum findings were recorded. Data was analyzed using SPSS (VERSION16).Results: Out of forty patients presented with per vaginal bleeding, sixteen were diagnosed as placental abruption either clinically or ultrasonographically. Only ten patients had positive ultrasound findings of retroplacental clot or subchorionic hemorrhage. Out of six patients with negative ultrasound findings, only four had positive Intrapartum findings suggestive of abruption placenta. The specificity (100%) of ultrasound in diagnosing abruption was more than the sensitivity (71.43%) and the accuracy was 75%.Conclusion: Ultrasound is less sensitive in diagnosing abruption placenta and the lesser the gestational age, the more in the increase in perinatal morbidity and mortality.
前言:胎盘早剥是妊娠后半期的主要并发症之一。它占所有交付量的0.4% - 4%。随着超声检查的出现,虽然胎盘早剥已被诊断出来,但其敏感性较低。临床怀疑胎盘早剥但超声阴性的患者可出现提示胎盘早剥的产时阳性表现。胎儿结局与胎龄有关。与足月妊娠相比,早产伴早剥的围产期发病率和死亡率较高。方法:前瞻性研究于2017年7月至2018年7月在博克拉市马尼帕尔教学医院进行。所有妊娠超过28周、单胎妊娠且未存在可疑胎盘早剥的母体医学疾病的病例均纳入研究。记录超声检查和产时表现。数据分析采用SPSS (VERSION16)软件。结果:在40例阴道出血患者中,16例经临床或超声诊断为胎盘早剥。仅有10例患者超声显示胎盘后凝块或绒毛膜下出血阳性。在6例超声检查阴性的患者中,只有4例产时发现提示胎盘早剥的阳性。超声诊断早剥的特异性(100%)大于敏感性(71.43%),准确率为75%。结论:超声诊断胎盘早剥的敏感性较低,胎龄越小,围产期发病率和死亡率越高。
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引用次数: 0
A Study on Measurements of Different Dimensions of Maxillary Sinus by Computed Tomography in Adult Nepalese Population 尼泊尔成人上颌窦不同尺寸的ct测量研究
Pub Date : 2018-12-31 DOI: 10.3126/njr.v8i2.22974
U. Khanal, A. Adhikari, M. Humagain
Introduction: Measurement of different dimensions of maxillary sinus and anterior wallthickness of maxillary sinus by Computed Tomography in normal Nepalese populationMethods: Dimensions of 90 patients were measured in CT PNS using Syngovia Software. AP diameter, width and anterior wall thickness were measured in axial images and height was measured in coronal images.Results: The mean volume of maxillary sinuses in study of male population on left and right side were 17.09 cm3±3.89, 17.19 cm3 ±4 respectively whereas in female were 15.64 cm3±3.5 and 15.21cm3±3.2 respectively as shown in Table 1. This shows the volume of male was significantly larger than female with P- Value = 0.012 (<0.05). Similarly, the thickness of Anterior Wall (AW) of maxillary sinus was also measured in this study and the mean value of left and right side in male were 0.16cm± 0.04 and 0.15cm± 0.03 respectively and in female were 0.12cm± 0.04 and 0.14cm± 0.02 respectively.Conclusion: This study showed that CT is a reliable method for the measurement of different dimensions of the maxillary sinus. The result showed greater mean value of volume in male than female with significant differences. So this study concluded that the measurement of volume of maxillary sinus can help in the identification of gender which can be very useful for forensic sciences.
方法:采用Syngovia软件对90例患者进行CT PNS扫描,测量上颌窦不同尺寸及前壁厚度。轴向像测量AP直径、宽度和前壁厚度,冠状像测量AP高度。结果:研究中男性人群左、右侧上颌窦平均体积分别为17.09 cm3±3.89、17.19 cm3±4,女性人群上颌窦平均体积分别为15.64 cm3±3.5、15.21cm3±3.2,见表1。可见雄鼠体积明显大于雌鼠,P值= 0.012(<0.05)。同样,本研究也测量了上颌窦前壁(AW)的厚度,男性左侧和右侧的平均值分别为0.16cm±0.04和0.15cm±0.03,女性分别为0.12cm±0.04和0.14cm±0.02。结论:CT是测量上颌窦不同尺寸的可靠方法。结果表明,雄鼠体积均值大于雌鼠,且差异显著。因此本研究的结论是上颌窦体积的测量可以帮助鉴定性别,这对法医科学是非常有用的。
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引用次数: 1
Early Experience of Percutaneous Transhepatic Biliary Stenting in Malignant Biliary Obstruction in Nepal 尼泊尔经皮经肝胆道支架置入术治疗恶性胆道梗阻的早期经验
Pub Date : 2018-12-31 DOI: 10.3126/njr.v8i2.22966
A. Thapa, S. Suwal, D. Chataut, K. Subedi
Introduction: Percutaneous biliary stenting is recommended for palliation of unresectable malignant biliary obstruction with short life expectancy. Percutaneous biliary stenting is newer interventional imaging guided procedure being practiced in Nepal. Aim of this study is to share our early experience of percutaneous biliary stenting and its complications in Nepal.Methods: Retrospective review of clinical success, complication, stent patency and survival was done in 31 patients with nonoperable malignant biliary obstruction who underwent percutaneous transhepatic metallic biliary stenting from August 2016 to July 2018Results: We successfully stented 31 malignant biliary obstructions, following external biliary drainage via sonography and fluoroscopy guidance, one week prior to the stenting. The patients were followed up for documentation and management of any complications related to the procedure. Cent percent reduction in bilirubin levels <50% after 2 weeks were achieved. Procedure related mortality was nil. Major complications including early stent block were seen in 7 patients, which we managed accordingly. Stent patency rate for 3 months was 73% and for 6 months was 45%. Although the procedure is recommended in short life expectancy patients, average survival of the patients in our experience was 7.1 months after the procedure with 2 of the patients survived >12 months after the procedure.Conclusion: Percutaneous biliary stenting is less invasive palliation for unresectable malignant biliary obstruction with less complication as well.
导读:经皮胆道支架植入术被推荐用于治疗不可切除、寿命短的恶性胆道梗阻。经皮胆道支架置入术是一种较新的介入成像引导手术,正在尼泊尔实施。本研究的目的是分享我们在尼泊尔经皮胆道支架植入术的早期经验及其并发症。方法:回顾性分析2016年8月至2018年7月31例不能手术的恶性胆道梗阻患者行经皮经肝金属胆道支架植入术的临床成功、并发症、支架通畅及生存情况。结果:我们在支架植入术前1周,经超声和透视引导下行胆道外引流,成功置入31例恶性胆道梗阻。对患者进行随访,以记录和处理与手术有关的任何并发症。手术后12个月,胆红素水平降低了百分之几。结论:经皮胆道支架置入术对不可切除的恶性胆道梗阻创伤小,并发症少。
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引用次数: 0
Ultrasound Measurement of Thyroid Isthmus Thickness in Clinically Euthyroid Subjects 临床甲状腺功能正常者甲状腺峡部厚度的超声测量
Pub Date : 2018-12-31 DOI: 10.3126/njr.v8i2.22979
P. Kayastha, S. Paudel, R. Ghimire
Introduction: The purpose of this study was to establish the reference value of normal thickness of thyroid isthmus among clinically euthyroid Nepalese individuals using Ultrasonography and correlate this with thyroid volume, sex, individual’s built and geographic location.Methods: This was a prospective cross sectional study involving 485 clinically euthyroid individuals. B -mode Ultrasonography was used to measure the thickness of thyroid isthmus in transverse plane. Mean thickness of isthmus for male and female was obtained and Pearson correlation test was used to see the relationship with various factors.Results: Among 485 individuals between 1 to 83 years of age, 221 were males and 264 were females. Maximum individuals (72.99%) were from hilly region and minimum (3.30%) were from Himalayan region. Mean thickness of isthmus was 3.097 ± 1.009 mm (range 1.0 to 6.8 mm). It was 3.114 ± 0.9513 mm for male and 3.083 ± 1.056 mm for female. Isthmus thickness best correlated with total thyroid volume (r=0.373, p=0.0001). Isthmus thickness also positively correlated with body mass index (r=0.355, p =0.0001), body surface area (r= 0.296, p=0.0001), weight (r =0.334, p=0.0001) and height (r =0.130, p =0.004) of the individuals.Conclusion: This study estimated the normal reference value of thyroid isthmus thickness. As isthmus thickness correlated well with total thyroid volume, it can roughly guide the thyroid volume and help assessment of thyroid size in diffuse thyroid disease.
前言:本研究的目的是利用超声技术建立尼泊尔临床甲状腺功能正常人群甲状腺峡部正常厚度的参考值,并将其与甲状腺体积、性别、个体体型和地理位置联系起来。方法:这是一项前瞻性横断面研究,涉及485名临床甲状腺功能正常的个体。采用B超测量甲状腺峡部横切面厚度。获得男女峡部的平均厚度,并采用Pearson相关检验观察其与各因素的关系。结果:485例1 ~ 83岁人群中,男性221例,女性264例。丘陵区最多(72.99%),喜马拉雅地区最少(3.30%)。峡部平均厚度为3.097±1.009 mm (1.0 ~ 6.8 mm)。男性为3.114±0.9513 mm,女性为3.083±1.056 mm。峡部厚度与甲状腺总容积相关性最好(r=0.373, p=0.0001)。峡部厚度与个体体重指数(r=0.355, p=0.0001)、体表面积(r= 0.296, p=0.0001)、体重(r= 0.334, p=0.0001)、身高(r= 0.130, p= 0.004)呈正相关。结论:本研究估计了甲状腺峡部厚度的正常参考值。峡部厚度与甲状腺总容积相关性较好,可粗略指导甲状腺容积,有助于弥漫性甲状腺疾病甲状腺大小的评估。
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引用次数: 0
Medical Education at the Crossroads 十字路口的医学教育
Pub Date : 2018-12-31 DOI: 10.3126/NJR.V8I2.22952
B. R. Joshi
Not Available
不可用
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引用次数: 0
Giant Cell Tumor of the Patella: An Uncommon Site 髌骨巨细胞瘤:罕见部位
Pub Date : 2018-06-30 DOI: 10.3126/NJR.V8I1.20453
K. Devkota, M. Bhattarai, K. Adhikari
Primary tumors of the patella are rare of which Giant cell tumor is the most frequent. Patient usually presents with pain in anterior knee and swelling. Radiologically, Giant cell tumor usually presents as a well defined lytic lesion with no sclerotic margin, no periosteal reaction and no soft tissue involvement unless complicated by fracture and shows enhancement on post-contrast study. Herein, we report the case of a 31-year female with giant cell tumor of the patella (GCT) with its clinical and radiological features.
髌骨的原发性肿瘤是罕见的,其中巨细胞瘤是最常见的。患者通常表现为膝关节前侧疼痛和肿胀。影像学上,巨细胞瘤通常表现为明确的溶解性病变,无硬化边缘,无骨膜反应,无软组织受累,除非合并骨折,造影后显示增强。在此,我们报告一例31岁女性髌骨巨细胞瘤(GCT)的临床和放射学特征。
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引用次数: 0
A Complicated Urinary Bladder Diverticulum Herniation: A Case Report 复杂膀胱憩室疝1例
Pub Date : 2018-06-30 DOI: 10.3126/NJR.V8I1.20456
S. Parajuli, P. Sharma, M. Gyawali, Subita Lalchan, Subash Kc, G. Acharya, Niraj Thapa, P. Tiwari, R. Poudel
Urinary bladder diverticulum presenting as an inguinal hernia is an uncommon condition found in about 1-5% of inguinal hernia.  Long standing increase of the intravesical pressure resulting from urinary bladder outlet obstruction can cause both secondary bladder diverticula and groin hernias. We present a case of urinary bladder diverticulum herniating through the left inguinal canal, which was confirmed by micturating cystourethrogram. Although these conditions are usually, diagnosed intraoperatively, radiological diagnosis still holds its utmost importance to improve the overall management. 
膀胱憩室表现为腹股沟疝是一种罕见的情况,约占腹股沟疝的1-5%。膀胱出口梗阻引起的膀胱内压力长期升高可引起继发性膀胱憩室和腹股沟疝。我们报告一例膀胱憩室经左腹股沟管疝出的病例,经尿路膀胱尿道造影证实。虽然这些情况通常在术中诊断,但放射诊断对改善整体治疗仍然至关重要。
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引用次数: 0
Assessment of the Diameter of Thoracic Aorta by Computed Tomography of Chest 胸部计算机断层扫描对胸主动脉直径的评价
Pub Date : 2018-06-30 DOI: 10.3126/NJR.V8I1.20450
A. Koju, B. R. Joshi
Introduction: The aim of this study was to assess the diameters of thoracic aorta of normal Nepalese people by using computed tomography scans of chest and to correlate the diameters with the patient’s age, gender, height, weight and BMI.Methods: This prospective study was performed in the Department of Radiology and Imaging,TUTH. Data were collected over the period of 4 months from June to September 2017 with the total of 99 patients who underwent contrast enhanced CT of chest in the tertiary hospital.Results: The diameter of thoracic aorta was found to be maximum at the level of aortic valve sinus (3.23±0.36 cms), minimum at the level of diaphragm(2.20±0.31 cms), and mean diameter of ascending aorta was found to be 2.73±0.27 cm.Conclusion: This study concluded that the diameter of thoracic aorta increased with increase in age and vice versa. The diameter of thoracic aorta decreased in the tapering fashion distally from the aortic valve sinus
简介:本研究的目的是通过使用胸部计算机断层扫描评估正常尼泊尔人的胸主动脉直径,并将直径与患者的年龄、性别、身高、体重和BMI相关联。方法:本前瞻性研究在我院放射与影像科进行。数据收集时间为2017年6月至9月,时间为4个月,共计99例在三级医院行胸部增强CT检查的患者。结果:胸主动脉直径在主动脉瓣窦处最大(3.23±0.36 cm),在横膈膜处最小(2.20±0.31 cm),升主动脉平均直径为2.73±0.27 cm。结论:胸主动脉直径随年龄的增长而增加,反之亦然。胸主动脉直径在主动脉瓣窦远端呈锥形减小
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引用次数: 0
期刊
Nepalese Journal of Radiology
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