首页 | 本学科首页   官方微博 | 高级检索  
相似文献
 共查询到19条相似文献,搜索用时 109 毫秒
1.
小儿膀胱横纹肌肉瘤的CT与MR诊断   总被引:1,自引:0,他引:1  
目的:探讨CT及MRI对儿童膀胱横纹肌肉瘤的诊断价值。方法:回顾性分析4例经病理证实的儿童膀胱横纹肌肉瘤的CT和MRI表现,并与手术所见对照。其中CT平扫及增强扫描3例;MR平扫及增强扫描1例。结果:4例病变均起于膀胱三角区,2例侵犯了下壁。其中局限性膀胱壁呈葡萄状充盈缺损3例,3例中的1例,肿瘤外的膀胱壁均普遍性增厚;另外1例仅表现为膀胱壁局限性增厚。瘤内均未见坏死及钙化。以上表现与大体病理所见一致。1例MR检查,肿瘤T1WI呈等低信号,T2WI呈等高信号,增强后明显强化,冠状、矢状扫描见病变同时累及前列和后尿道3例CT检查,平扫肿瘤为等密度。增强扫描肿瘤边缘性强化1例,中度强化2例。结论:CT及MRI检查对儿童膀胱横纹肌肉瘤的诊断具有重要的价值。MR可以通过冠状、矢状扫描显示肿瘤的范围,在这点上,MR比CT优越。  相似文献   

2.
小儿腹盆腔横纹肌肉瘤的CT诊断   总被引:4,自引:0,他引:4  
目的 探讨小儿腹盆腔横纹肌肉瘤的CT表现特征。方法 对 12例经手术病理证实的腹盆腔横纹肌肉瘤的起源、形态、大小和组织学类型进行回顾性分析。结果 全部横纹肌肉瘤CT增强前后均表现为边界清楚的软组织肿块 ,平扫肿块密度基本均匀 ,增强后肿瘤周边区明显强化 ,内部强化不均。结论 腹盆腔横纹肌肉瘤好发于膀胱、前列腺和腹膜后及肝内外胆道 ,肿瘤无包膜 ,边界清楚 ,肿瘤的内部常发生变性坏死 ,增强后肿瘤的周边部分强化比内部明显。  相似文献   

3.
儿童膀胱横纹肌肉瘤的影像学诊断   总被引:3,自引:0,他引:3  
目的:研究儿童膀胱横纹肌肉瘤的影像学诊断及鉴别诊断,材料与方法:8例儿童膀胱肌肉瘤患者,6例进行CT检查,7例进行了膀胱造影。结果:膀胱横纹肌肉瘤CT检查主要表现为膀胱内软组织密度影,膀胱壁增厚以及前列腺等邻近器官受侵,膀胱造影主要表现为息肉状充盈缺损以及膀胱受压,膀胱壁僵硬,结论:作者认为CT可以直接显示膀胱内的病变,同时可清楚显示膀胱壁外以及相邻器官。  相似文献   

4.
目的 探讨超声检查在儿童盆腔及泌尿生殖系统横纹肌肉瘤的诊断价值.方法 对23例经病理证实的原发盆腔及泌尿生殖系统横纹肌肉瘤的超声检查结果进行分析.结果 23例横纹肌肉瘤中,膀胱横纹肌肉瘤10例;阴道横纹肌肉瘤1例,伴腹盆腔及腹股沟淋巴结转移;前列腺横纹肌肉瘤2例;盆腔横纹肌肉瘤10例,其中腹股沟淋巴结转移1例,盆腔淋巴结转移1例.本组盆腔及泌尿生殖系统横纹肌肉瘤超声多表现为肿瘤边缘清楚,无包膜回声,形态规则或不规则形,内部为较均质的低回声,部分肿瘤内部可见液化坏死.结论 超声检查可了解横纹肌肉瘤来源、部位,测量肿块大小及与周围组织关系,有无腹盆腔内淋巴结转移等,便于随访,可作为盆腔及泌尿生殖系统横纹肌肉瘤影像学检查的首选方法.  相似文献   

5.
目的:探讨小儿盆腔横纹肌肉瘤的影像学表现特征。方法:对20例经手术病理证实的盆腔横纹肌肉瘤的起源、形态、大小和组织学类型进行回顾性分析。结果:全部横纹肌肉瘤表现为边界清楚的软组织肿块,不均匀。结论:盆腔横纹肌肉瘤好发于膀胱、前列腺和阴道,肿块无包膜,边界清楚,肿瘤的内部常发生变性坏死。  相似文献   

6.
横纹肌肉瘤是儿童和青少年时期最常见的眶内恶性肿瘤,恶性程度高,发展快,如治疗不及时,可引起血行转移,甚至死亡^[1]。本院2009年收治1例儿童眼眶横纹肌肉瘤,现报告如下。  相似文献   

7.
横纹肌肉瘤的影像学表现   总被引:2,自引:0,他引:2  
横纹肌肉瘤的影像学表现杨广夫,陈腾,王泽忠本文报告经病理证实横纹肌肉瘤17例,分析影像学检查表现,讨论临床病理特点,重点研究MRI诊断和鉴别诊断。1资料方法本组17例,男9例,女8例,年龄4~61岁,平均年龄24.9岁,其中<10岁6例、10~20岁...  相似文献   

8.
目的:分析胚胎型横纹肌肉瘤(简称ERM S)的影像学特点.方法:本研究主体为2018年4月至2020年4月来本院治疗的22例ERM S患者.对其进行C T诊断(13例)与M RI诊断(9例),与病理学结果对比,分析其诊断效果与影像学特点.结果:以病理诊断为基准,CT与MRI的诊断准确率等效能对比未见差异(P>0.05)...  相似文献   

9.
CT扫描对腹盆腔肿物的诊断价值已被普遍承认。但有些较大的肿物,在CT图象上仅表现为明显的占位征象,其定性及定位诊断困难,有些较小的肿物被漏诊。我们曾误诊平滑肌肉瘤2例,误诊神经鞘瘤、脾海绵状血管瘤、腹膜后异物(纱布块)、左侧巨大卵巢囊肿、膀胱癌各1例,漏诊右肾下极囊肿1例,漏诊子宫肌瘤复发伴两侧卵巢囊肿并乙状结肠平滑肌瘤1例。现报告典型4例如下。  相似文献   

10.
鼻腔鼻窦横纹肌肉瘤的CT诊断   总被引:4,自引:3,他引:4  
目的 探讨鼻腔鼻窦横纹肌肉瘤(RMS)的CT表现。方法 回顾性分析经病理学证实的鼻腔鼻窦RMSl8例,均行横断面及冠状面CT扫描,其中15例行增强扫描。结果 主要临床表现为鼻堵及眼突。最常见部位为上颌窦。HRCT均表现为鼻腔及鼻窦内大的软组织肿块影,密度不均。3例伴有钙化。18例窦壁骨质破坏。12例肿瘤侵犯鼻窦周围脂肪间隙及邻近结构。病灶强化不均匀。结论 CT扫描能清晰显示病灶及其侵犯程度,对指导临床手术及其他治疗方法具有重要的意义。  相似文献   

11.
鼻腔鼻窦横纹肌肉瘤的CT和MRI诊断   总被引:3,自引:0,他引:3  
目的探讨鼻腔鼻窦横纹肌肉瘤的CT和MRI表现,提高其诊断准确性。方法回顾性分析经组织学证实的18例鼻腔鼻窦横纹肌肉瘤患者的影像学资料。结果15例病变中心位于蝶筛区,3例位于上颌窦。CT表现:病变形态均不规则,边界不清楚,密度与邻近肌肉相近,相对比较均匀,邻近骨质呈溶骨性骨质破坏;增强后病变不均匀强化。MRI表现:与脑实质比较,病变T1WI呈略低信号7例,呈等信号3例;T2WI呈略高信号8例,呈等信号2例。病变信号欠均匀,7例病变内部可见小条状或小片状长T1长T2信号影,4例可见短T1长T2信号影。增强扫描,病变均呈中度不均匀强化。15例病变广泛侵犯周围结构,MRI可清楚显示病变侵犯的范围,其中眼眶受累8例,颅内受累8例,海绵窦受累5例,翼腭窝受累6例,鼻咽部受累3例。结论横纹肌肉瘤典型的MRI表现为稍长T1稍长T2信号,增强后中度强化。CT可以较好地显示骨质破坏,MRI能更清楚地显示病变的侵犯范围,两者结合可为该病诊断和临床治疗提供更全面的影像信息。  相似文献   

12.
Purpose  To retrospectively assess the performance of MR imaging in the evaluation and triage of pregnant patients presenting with acute abdominal or pelvic pain. Method and materials  MRI studies of pregnant patients who were referred for acute abdominal pain between 2001 and 2007 were included. MR images were retrospectively reviewed and compared with surgical and pathologic findings and clinical follow-up data. Analysis of imaging findings included evaluation of the visceral organs, bowel and mesentery, appendix (for presence of appendicitis), ovaries (detection and adnexal masses were evaluated), focal inflammation, presence of abscesses, and any other abnormal findings. Results  A total of 118 pregnant patients were included. MR findings were inconclusive in 2 patients and were positive for acute appendicitis in 11 patients (n = 9 confirmed by surgery, n = 2 improved without surgery). One patient with inconclusive MR had surgically confirmed appendicitis; the other patient with inconclusive MR had surgically confirmed adnexal torsion. Other surgical/interventional diagnoses suggested by MR imaging were adnexal torsion (n = 4), abscess (n = 4), acute cholecystitis (n = 1), and gastric volvulus (n = 1). Two patients with MR diagnosis of torsion improved without surgery. One patient with MR diagnosis of abscess had biliary cystadenoma at surgery. The rest of the MR diagnoses above were confirmed surgically or interventionally. MR imaging was normal in 67 patients and demonstrated medically treatable etiology in 28 patients: adnexal lesions (n = 9), urinary pathology (n = 6), cholelithiasis (n = 4), degenerating fibroid (n = 3), DVT (n = 2), hernia (n = 1), colitis (n = 1), thick terminal ileum (n = 1), rectus hematoma (n = 1). Three of these patients had negative surgical exploration and one had adnexal mass excision during pregnancy. Other patients were discharged with medical treatment. The sensitivity, specificity, accuracy, positive predictive values (ppv), and negative predictive values (npv) of MR imaging for acute appendicitis, and surgical/ interventional diagnoses were 90.0% vs. 88.9%, 98.1% vs. 95.0%, 97.5% vs. 94.1%, 81.8% vs. 76.2%, 99.1% vs. 97.9%, respectively. Conclusion  MR imaging is an excellent modality for diagnosis of acute appendicitis and exclusion of diseases requiring surgical/interventional treatment. Therefore MR imaging is useful for triage of pregnant patients with acute abdominal and pelvic pain.  相似文献   

13.
患者女,44岁.因上腹部饱胀不适1个月入院,无明显腹痛、恶心、呕吐,返酸.入院后专科检查示右上腹10 cm长手术瘢痕,右上腹肋缘下扪及一约10 cm×8 cm大小包块,质硬,界清光滑,活动差,轻压痛.实验室检查无异常.患者1996年曾行胆囊切除术.临床初步诊断为腹腔内囊实性包块,考虑肠系膜囊肿.  相似文献   

14.
盆腔内含脂肪密度肿块CT诊断(附7例报告)   总被引:1,自引:0,他引:1  
目的 研究盆腔内含脂肪密度的肿块的CT诊断和鉴别诊断。方法 本组经手术病理证实7例,均为女性,全部病例均做B超和CT平扫,其中2例还做了增强扫描,1例做了MRI检查。结果 盆腔内畸胎瘤5例,子宫肌瘤脂肪变1例,盆腔内脂肪瘤1例。结论 CT地盆腔内含脂肪密度的肿块检查价值很大,仔细分析肿块起源和密度、内部结构情况有助于提高诊断的准确性。  相似文献   

15.
目的 探讨比较B超引导与CT引导腹腔盆腔囊肿及脓肿经皮穿刺抽吸治疗的作用.方法 B超引导下腹腔盆腔囊肿及脓肿经皮穿刺抽吸治疗56例患者,CT引导下45例患者.结果 B超引导下共穿刺58个囊肿或脓肿,穿刺次数63次:CT引导下共穿刺45个囊肿或脓肿,穿刺次数77次.B超引导下行腹腔盆腔囊肿及脓肿经皮穿刺抽吸治疗每个囊肿或脓肿平均穿刺次数显著少于CT引导.结论 腹腔盆腔囊肿及脓肿经皮穿刺抽吸治疗术中,B超引导较CT引导具有更多的优势.  相似文献   

16.
患者女,29 岁.1年前曾行剖宫产术,术中大出血.10个月前无诱因出现腹胀不适伴肿块入院.体检:中、下腹正中长8 cm手术瘢痕,中下腹扪及一约7 cm×15 cm大小质中、移动度差的包块,轻压痛,无肌紧及反跳痛.实验室检查无异常.诊断为腹部实性肿块,考虑为肿瘤性病变.CT平扫中、下腹腔前部卵圆形肿块,大小7 cm×9 cm×14 cm,边缘清楚,为不均匀软组织密度影,CT值为36~61 HU,包膜呈稍高密度,内有漩涡状、条絮状稍高密度影(图1).增强扫描包膜较明显环状强化,部分包膜下可见脑回状强化影,CT值净增34 HU(图2).局部肠管粘连受压移位变形.CT诊断:考虑腹膜或小肠肿瘤.手术所见:中、下腹腔前部巨大实性包块,包膜完整,触之有弹性,肿块与大网膜、腹膜、回肠粘连,局部腹膜增厚、肠腔狭窄.剖开见包膜为网膜组织和纤维组织,内容物为肉芽组织、炎性渗出物和大小约16 cm×22 cm的发黑易碎纱布.病理诊断:腹腔医源性异物肉芽肿.  相似文献   

17.

Introduction

Abdominal hypopressive gymnastics appeared as an alternative to traditional abdominal exercises to promote abdominal muscles strength without overloading the pelvic floor muscles (PFM). To determine the activation level of abdominal muscles and PFM and the posture influence in the level of activation in these muscles during abdominal hypopressive gymnastics, we used surface electromyography in young and healthy multipara women.

Methods

This is an observational study with eutrophic nulliparous women aged between 18 and 35 years, with abdominal skinfold less than or equal to 3 cm and active or irregularly active physical activity. Surface electromyography was used for rectus abdominis, external oblique, transversus abdominal/internal oblique (TrA/IO) and PFM assessment in the supine, quadruped and orthostatic (upright standing) positions during abdominal hypopressive gymnastics using normalized electromyographic (%EMG) data. We also analyzed the difference in activation between each muscle and between muscles and positions.

Results

Thirty women were evaluated and the mean age was 25.77 years (SD 3.29). The group formed by the TrA/IO muscles and the PFM showed higher %EMG in all the positions assessed, followed by the external oblique and rectus abdominis muscles. A comparison of %EMG of each muscle between the different positions showed differences only in rectus abdominis between the supine and quadruped (p = 0.001) and supine and orthostatic positions (p = 0.004), and in TrA/IO between the supine and orthostatic (p = 0.023) and orthostatic and quadruped positions (p = 0.019).

Conclusions

The results suggest that abdominal hypopressive gymnastics can activate the abdominal muscles and PFM and the position do not have influence on electromyographic activation level of the PFM and external oblique.  相似文献   

18.
目的探讨盆腔CT检查前下腹部准备的价值。方法对盆腔CT检查206例患者的肠腔、阴道、病灶及淋巴结的显示情况进行回顾性分析。其中172例检查前作下腹部准备,34例未准备。下腹部准备包括多次分段口服对比剂,女性患者(127例)检查前放置阴道塞。结果作下腹部准备者,肠腔、阴道与周围组织结构及病变的关系显示清晰的160例(占93.02%),一般的10例(占5.81%),不清的2例(占1.16%)。未作下腹部准备者,显示一般的5例(占14.7%),不清的29例(占85.3%)。结论盆腔CT检查前下腹部精心准备有利肠腔、阴道、病灶及淋巴结等结构的显示。  相似文献   

19.
【】目的:探讨骨盆骨折后腹胀的原因及改善腹胀的护理对策。方法:对50例骨盆骨折患者腹胀的原因进行分析并找出相关因素,采取相应的护理措施。结果:通过综合护理干预,患者的腹胀程度减少,促进了患者的早日康复。结论:骨盆骨折腹胀发生率高,护理人员应重视对的腹胀护理,通过有效的护理,可大大减少腹胀,减轻患者的痛苦。  相似文献   

设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号