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  1

参考中文标题:

在股骨头坏死的遗传关联研究:迷你文献复习。 [评论] [44参]

PMID及链接:

17962936 http://www.syyxw.com/Archive/Detail/17962936

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出  处:

Skeletal radiology. 2008 Jan  ,37 (1) :1-7

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  2

参考中文标题:

梯度回波序列在MR关节造影直接承担评价唇。

PMID及链接:

17962935 http://www.syyxw.com/Archive/Detail/17962935

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摘  要:

OBJECTIVE: The purpose of this study was to determine the utility of fat-suppressed gradient-recalled echo (GRE) compared with conventional spin echo T1-weighted (T1W) sequences in direct shoulder MR arthrography for evaluating labral tears. MATERIALS AND METHODS: Three musculoskeletal radiologists retrospectively reviewed MR arthrograms performed over a 12-month period for which surgical correlation was available. Of 180 serial arthrograms, 31 patients had surgery with a mean of 48 days following imaging. Paired coronal oblique and axial T1W or GRE sequences were analyzed by consensus for labral tear (coronal oblique two-dimensional multi-echo data image combination, 2D MEDIC; and axial three-dimensional double-echo steady-state, 3D DESS; Siemens MAGNETOM Sonata 1.5-T MR system). Interpretations were correlated with operative reports. RESULTS: Of 31 shoulders, 25 had labral tears at surgery. The GRE sequences depicted labral tears in 22, while T1W images depicted tears in 16 (sensitivity 88% versus 64%; p<0.05). Subdividing the labrum, GRE was significantly more sensitive for the posterior labrum (75% versus 25%; p<0.05) with a trend toward greater sensitivity at the anterior labrum (78% versus 56%; p=0.157) but not significantly different for the superior labrum (50% versus 57%; p>0.7). Specificities were somewhat lower for GRE. CONCLUSION: Thin section GRE sequences are more sensitive than T1W for the detection of anterior and posterior labral tears. As the specificity of GRE was lower, it should be considered as an adjunctive imaging sequence that may improve depiction of labral tears, particularly smaller tears, in routine MR arthrography protocols.

参考中文摘要:

目的:本研究的目的是要确定的效用脂肪抑制梯度回波( GRE考试)与常规自旋回波T1加权( T1W )序列直接承担MR关节造影评价labral流下了眼泪。材料与方法:三肌肉骨骼放射回顾问arthrograms表现在12个月期间的手术相关的资料。 180串行arthrograms , 31例患者进行了手术,平均48天以下成像。成对冠状斜和轴向T1W或GRE考试序列进行分析的共识labral泪(冠状斜二维多回波数据图像的组合,二维梅迪奇;和轴向三维双回波稳态,三维硕士;西门子磁共振索纳塔1.5 - T的磁共振系统) 。的解释与执行的报告。结果:在31日的肩膀上,有25个国家labral眼泪在手术。的GRE序列描述labral眼泪在22个,而T1W图像描述的眼泪16 (敏感性88 %和64 % ; p “ 0.05 ) 。细分的唇,希腊明显更为敏感的后唇( 75 %与25 % ; p “ 0.05 )的趋势更加敏感的前唇( 78 %与56 % ; P值0.157 ) ,但无显着差异的优越的唇( 50 %与57 % ; p “ 0.7 ) 。特点是低一些的GRE考试。结论:薄切片梯度回波序列更为敏感比T1W检测前,后labral眼泪。由于GRE考试的特殊性较低,它应被视为辅助成像序列,可能改善描述labral眼泪,尤其是规模较小的眼泪,在例行的MR关节造影议定书。

出  处:

Skeletal radiology. 2008 Jan  ,37 (1) :19-25

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  3

参考中文标题:

MRI表现异常配件证明手术前,下胫腓韧带(巴塞特的韧带) 。

PMID及链接:

17912512 http://www.syyxw.com/Archive/Detail/17912512

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摘  要:

OBJECTIVE: A thickened accessory anterior-inferior tibiofibular ligament (Bassett's ligament) of the ankle can be a cause of ankle impingement. Its imaging appearance is not well described. The purpose of this study was to determine if the ligament could be identified on magnetic resonance imaging (MRI), to determine associated abnormalities, and to determine if MRI could be used to differentiate normal from abnormal. MATERIALS AND METHODS: Eighteen patients with a preoperative ankle MRI and an abnormal Bassett's ligament reported at surgery were found retrospectively. A separate cohort of 18 patients was selected as a control population. The presence of Bassett's ligament and its thickness were noted. The integrity and appearance of the lateral ankle ligaments, talar dome cartilage, and anterolateral gutter were also noted. RESULTS: In 34 of the 36 cases (94%), Bassett's ligament was identified on MRI. The ligament was seen in all three imaging planes and most frequently in the axial plane. The mean thickness of the ligament in the surgically abnormal cases was 2.37 mm, compared with 1.87 mm in the control with a p value=0.015 (t test). Nine of the 18 abnormal cases (50%) had talar dome cartilage lesions as a result of contact with the ligament at surgery, with only 3 cases of high-grade defects seen on MRI. Fourteen of the 18 abnormal cases (78%) had of synovitis or scarring in the lateral gutter at surgery, with only 5 cases with scarring seen on MRI. The anterior-inferior tibiofibular ligament was abnormal or torn in 8 of the 18 abnormal cases (44%) by MRI and confirmed in only 3 cases at surgery. DISCUSSION: Bassett's ligament can be routinely identified on MRI and was significantly thicker in patients who had it resected at surgery. An abnormal Bassett's ligament is often present in the setting of a normal anterior-inferior tibiofibular ligament. The cartilage abnormalities and synovitis associated with an abnormal Bassett's ligament are poorly detected by conventional MRI.

参考中文摘要:

目的:增厚配件前,下胫腓韧带(巴塞特的韧带)踝可引起踝撞击。其影像学表现不是很好的描述。本研究的目的是要确定如果韧带可以查明的磁共振成像( MRI ) ,以确定相关的异常, MRI检查,以确定是否可用于区分正常异常。材料与方法: 18例术前踝关节MRI和异常巴塞特的韧带手术报告发现了回顾。另一批18位被选中作为控制人口。在场的巴塞特的韧带和其厚度则。的完整性和外观外踝韧带,软骨距骨圆顶,和前排水沟也注意到。结果: 34 36例( 94 % ) ,巴塞特的韧带被确定MRI上。韧带被视为在所有三个成像的飞机和最频繁的轴面。平均厚度韧带手术中的异常情况下为2.37毫米,与一点八七毫米在控制与AP值= 0.015 ( t检验) 。九个异常18例( 50 % )有距骨穹顶软骨病变由于与韧带的手术,只有3例,高品位的缺陷上看到MRI检查。 14位异常18例( 78 % )有滑膜炎或疤痕在横向排水沟在外科手术,只有5例疤痕上看到的MRI 。前,下胫腓韧带撕裂异常或8异常的18例( 44 % )的MRI和确认中,只有3例在手术。讨论:巴塞特的韧带可定期确定的MRI和明显增厚患者谁如果在手术切除。异常巴塞特韧带往往是在建立一个正常前,下胫腓韧带。软骨异常和滑膜炎与异常巴塞特的韧带差检测常规MRI 。

出  处:

Skeletal radiology. 2008 Jan  ,37 (1) :27-33

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  4

参考中文标题:

验证指骨骨三维表面分割从计算机断层扫描图像使用激光扫描。

PMID及链接:

17962937 http://www.syyxw.com/Archive/Detail/17962937

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摘  要:

OBJECTIVE: To examine the validity of manually defined bony regions of interest from computed tomography (CT) scans. MATERIALS AND METHODS: Segmentation measurements were performed on the coronal reformatted CT images of the three phalanx bones of the index finger from five cadaveric specimens. Two smoothing algorithms (image-based and Laplacian surface-based) were evaluated to determine their ability to represent accurately the anatomic surface. The resulting surfaces were compared with laser surface scans of the corresponding cadaveric specimen. RESULTS: The average relative overlap between two tracers was 0.91 for all bones. The overall mean difference between the manual unsmoothed surface and the laser surface scan was 0.20 mm. Both image-based and Laplacian surface-based smoothing were compared; the overall mean difference for image-based smoothing was 0.21 mm and 0.20 mm for Laplacian smoothing. CONCLUSIONS: This study showed that manual segmentation of high-contrast, coronal, reformatted, CT datasets can accurately represent the true surface geometry of bones. Additionally, smoothing techniques did not significantly alter the surface representations. This validation technique should be extended to other bones, image segmentation and spatial filtering techniques.

参考中文摘要:

目的:探讨有效的手动定义骨区域的兴趣计算机断层扫描( CT )扫描。材料与方法:分割测量进行了重新的冠状CT图像的三个指骨骨折的食指从五个标本。两种平滑算法(基于图像和拉普拉斯基于表面)进行了评估,以确定其能力代表解剖准确表面。由此产生的表面进行比较激光表面扫描相应的尸体标本。结果:平均相对重叠两个示踪剂是0.91的所有骨头。总的意思差别手册非光滑表面和表面激光扫描为0.20毫米。双方基于图像和拉普拉斯基于表面比较光滑;总体平均差为基于图像的平滑为0.21毫米和0.20毫米的拉普拉斯平滑。结论:本研究表明,人工分割的高对比度,日冕,重新格式化,电脑断层数据可以准确地代表了真正的表面几何形状的骨骼。此外,平滑技术不会明显改变表面交涉。这验证技术应扩大到其他骨骼,图像分割和空间滤波技术。

出  处:

Skeletal radiology. 2008 Jan  ,37 (1) :35-42

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  5

参考中文标题:

肌肉超声36例遗传性包涵体肌病。

PMID及链接:

17962939 http://www.syyxw.com/Archive/Detail/17962939

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OBJECTIVE: To evaluate the morphological changes of muscle with sonography in six patients affected by hereditary inclusion body myopathy (HIBM). MATERIALS AND METHODS: We studied a group of six Persian Jews diagnosed with HIBM. All were homozygous for the GNE mutation M712T. Ultrasonographic examinations of the quadriceps femoris and hamstring muscle groups were performed. A follow-up ultrasound examination was performed, after an interval of 3 years, in four of these patients. Muscles were assessed subjectively as to echogenicity, determined by gray-scale assessment, and loss of normal muscle morphology. Power Doppler sonography (PDS) was used to assess vascularity. RESULTS: A sonographic finding of central atrophy and peripheral sparing resulting in a target-like appearance was noted in the hamstring compartment of all six patients. The quadriceps compartment also showed involvement of the rectus femoris of all patients, which, in some cases, was the only muscle involved in the quadriceps. Vascularity was markedly reduced in the affected areas, with blood flow demonstrated in the peripherally spared areas. The severity of atrophy increased with disease duration. CONCLUSION: In this case series, we describe a new sonographic finding as well as document progression of HIBM disease, which has generally been described as quadriceps sparing. The myopathic target lesion, as well as isolated rectus femoris atrophy, may provide a useful adjunct to disease diagnosis.

参考中文摘要:

目的:评价形态学改变肌肉与超声6例受遗传性包涵体肌病( HIBM ) 。材料与方法:我们研究了一组6波斯犹太人诊断HIBM 。都是纯合的GNE基因突变M712T 。超声检查的股四头肌和腘绳肌组进行。一个后续进行超声检查后,间隔3年,在这四个病人。肌肉进行了评估,以回声主观确定的灰阶评估,丧失正常的肌肉形态。功率多普勒超声(综合布线系统)是用来评估血管。结果:超声发现中央萎缩和周边单位造成了目标样外观中指出腿筋室所有6例。股四头肌室还表明参与股直肌的所有病人,这在某些情况下,是唯一的肌肉参与股四头肌。血管明显降低受灾地区,与血流表现在周幸免地区。萎缩的严重程度增加,病程。结论:在这种情况下系列,我们描述了新的超声调查以及文件进展HIBM疾病,它通常被描述为股四头肌不放过。靶病变的肌病,以及孤立股直肌萎缩,可提供一个有用的辅助疾病的诊断。

出  处:

Skeletal radiology. 2008 Jan  ,37 (1) :43-8

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  6

参考中文标题:

超声特点,腕管综合症:一项前瞻性病例对照研究。

PMID及链接:

17989976 http://www.syyxw.com/Archive/Detail/17989976

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PURPOSE: The purpose of the study was to examine the most adequate cut-off point for median nerve cross-sectional area and additional ultrasound features supporting the diagnosis of carpal tunnel syndrome (CTS). MATERIAL AND METHODS: Forty wrists from 31 CTS patients and 63 wrists from 37 asymptomatic volunteers were evaluated by ultrasound. All patients were women. The mean age was 49.1 years (range: 29-78) in the symptomatic and 45.1 years (range 24-82) in the asymptomatic group. Median nerve cross-sectional area was obtained using direct (DT) and indirect (IT) techniques. Median nerve echogenicity, mobility, flexor retinaculum measurement and the anteroposterior (AP) carpal tunnel distance were assessed. This study was IRB-approved and all patients gave informed consent prior to examination. RESULTS: In CTS the median nerve cross-sectional area was increased compared with the control group. Median nerve cross-sectional area of 10 mm(2) (DT) and 9 mm(2) (IT) had high sensitivity (85% and 88.5%, respectively), specificity (92.1% and 82.5%) and accuracy (89.3% and 82.5%) in the diagnosis of CTS. CTS patients had an increased carpal tunnel AP diameter, flexor retinaculum thickening, reduced median nerve mobility and decreased median nerve echogenicity. CONCLUSION: Ultrasound assists in the diagnosis of CTS using the median nerve diameter cut-off point of 10 mm(2) (DT) and 9 mm(2) (IT) and several additional findings.

参考中文摘要:

目的:研究的目的是审查最适当的切点为正中神经横截面积的和额外的功能,支持超声诊断腕隧道症候群(旅) 。材料与方法: 40月31日手腕旅患者和63手腕无症状志愿者来自37个进行了评价超声。所有患者都是妇女。平均年龄为四十九点一年(范围: 29-78 )的症状和45.1岁(范围24-82 )在无症状组。正中神经横截面积获得直接( dt )和间接(资讯科技)技术。正中神经回声,流动性,屈肌支持带测量和前后(美联社)腕隧道距离进行了评估。这项研究是内部评级批准,并让所有病人知情同意检查。结果:壳聚糖正中神经横截面积增加与对照组比较。正中神经横截面面积的10毫米( 2 ) ( dt )和9毫米( 2 ) (资讯科技)有较高的灵敏度( 85 %和88.5 % ,分别) ,特异性( 92.1 %和82.5 % )和准确性( 89.3 %和82.5 % )诊断中的壳聚糖。华贸患者增加腕隧道美联社直径,屈肌支持带增厚,减少正中神经调动和减少正中神经回声。结论:超声协助诊断华贸使用正中神经直径切点的10毫米( 2 ) ( dt )和9毫米( 2 ) ( IT )和若干其他的调查结果。

出  处:

Skeletal radiology. 2008 Jan  ,37 (1) :49-53

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  7

参考中文标题:

MRI和大体解剖的髂腰肌肌腱复杂。

PMID及链接:

17938916 http://www.syyxw.com/Archive/Detail/17938916

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摘  要:

OBJECTIVE: The objective was to explain the anatomic basis of a longitudinal cleft of increased signal in the iliopsoas tendon seen on hip MR arthrograms. MATERIALS AND METHODS: A prospective review of 20 MR hip arthrograms was performed using standard and fat-suppressed T1-weighted images to establish whether or not the cleft was composed of fatty tissue and to define the anatomy of the iliopsoas tendon complex. Three cadaver dissections of the hip region were then performed for anatomic correlation. RESULTS: Fourteen out of 20 MR hip arthrograms demonstrated a longitudinal cleft of increased T1 signal adjacent to the iliopsoas tendon, which suppressed on frequency selective fat-suppressed images, indicating fatty composition. Gross anatomic correlation demonstrated this fatty cleft to represent a fascial plane adjacent to the iliopsoas tendon, in one case separating the iliopsoas tendon medially from a thin intramuscular tendon within the lateral portion of the iliacus muscle. Also noted was a direct muscular insertion of the lateral portion of the iliacus muscle onto the anterior portion of the proximal femoral diaphysis in all 3 cadavers. CONCLUSION: The anatomy of the iliopsoas tendon complex is more complicated than typically illustrated and includes the iliopsoas tendon itself attaching to the lesser trochanter, the lateral portion of the iliacus muscle attaching directly upon the anterior portion of the proximal femoral diaphysis, and a thin intramuscular tendon within this lateral iliacus muscle that is separated from the iliopsoas tendon by a cleft of fatty fascia that accounts for the MRI findings of a cleft of increased T1 signal.

参考中文摘要:

目标:目标是解释的解剖学基础纵向裂增加信号在髂腰肌肌腱上看到髋关节磁共振arthrograms 。材料与方法:未来的审查20问髋arthrograms进行使用标准和脂肪抑制T1加权图像,以确定是否或不裂组成的脂肪组织,并确定了解剖髂腰肌肌腱复杂。三尸夹层的臀部,然后进行相关的解剖。结果: 14名议员的20个髋关节arthrograms表现出了纵向裂增加表# t1信号毗邻髂腰肌肌腱,它的频率选择性抑制脂肪抑制图像,表明不饱和脂肪酸组成。总解剖相关证明了这一点脂肪裂代表一筋膜平面附近的髂腰肌肌腱,在一个案件中分离髂腰肌肌腱内侧肌肉注射从薄肌腱的外侧部分iliacus肌肉。还注意到直接肌肉插入外侧部分的肌肉上iliacus前部分股骨近端骨干在所有3具尸体。结论:解剖髂腰肌肌腱复杂,而且更加复杂一般说明,包括髂腰肌肌腱本身附属于较小粗隆,外侧部分iliacus肌肉附着直接前部分股骨近端骨干,和一个薄肌肉注射肌腱在这个横向iliacus肌肉是分离的髂腰肌肌腱的裂脂肪筋膜的帐户MRI表现的裂增加表# t1信号。

出  处:

Skeletal radiology. 2008 Jan  ,37 (1) :55-8

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  8

参考中文标题:

的影像学表现metallosis 。

PMID及链接:

17876581 http://www.syyxw.com/Archive/Detail/17876581

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摘  要:

Metallosis is an uncommon condition in which there is infiltration of periprosthetic soft tissues and bone by metallic debris resulting from wear of joint arthroplasties. It is often associated with significant osteolysis; therefore the identification of metallosis is an indication for revision arthroplasty. The radiographic, CT and MRI features of metallosis in a 63-year-old man who presented 16 years post-arthroplasty are described in this case report.

参考中文摘要:

Metallosis是一种少见的条件,其中有浸润周围软组织和骨骼的金属碎片造成磨损联合arthroplasties 。它往往与重大溶骨;因此确定metallosis ,这表明修改置换。 X线, CT及MRI特点metallosis在一个63岁男子谁提出16年后术中描述的这种情况的报告。

出  处:

Skeletal radiology. 2008 Jan  ,37 (1) :59-62

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  9

参考中文标题:

不可前脱位的肩膀,由于软组织间的肩胛下肌腱。

PMID及链接:

17912520 http://www.syyxw.com/Archive/Detail/17912520

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摘  要:

The shoulder joint is the most unstable joint in the body and is easily dislocated. Anterior shoulder dislocation is the commonest and can be associated with glenoid and humeral fractures. Anterior shoulder dislocations are not infrequently associated with cuff tendon tears; however, anterior shoulder dislocation is easily reducible. Irreducible anterior dislocation of the glenohumeral joint is uncommon, and this could be due to bony as well as soft tissue causes. Persistent anterior dislocation due to torn subscapularis interposition in the glenohumeral joint is very rare, and only a few operative cases have been reported in the literature. We present MR features of one such case and a literature review.

参考中文摘要:

肩关节是最不稳定的关节在体内很容易脱臼。肩关节前方脱位是最常见的,可与关节和肱骨骨折。肩关节前方脱位常常是与袖肌腱眼泪,但是,前肩脱位容易还原。不可前脱位的肩关节联合是少见,这可能是由于骨骼以及软组织的原因。持久性前脱位由于战乱肩胛下干预在肩关节联合是非常罕见,只有少数部分病例被报告中的文学。我们目前的MR表现这样一个案例和文献审查。

出  处:

Skeletal radiology. 2008 Jan  ,37 (1) :63-5

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  10

参考中文标题:

骺骨软骨瘤与常染色体显性遗传及多旁骨增生。

PMID及链接:

17938915 http://www.syyxw.com/Archive/Detail/17938915

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摘  要:

The familial cases of dysplasia epiphysealis hemimelica (DEH), or Trevor's disease, are thought to represent dominant carpotarsal osteochondromatosis (DCO). Only three families affected by DCO have been reported so far in the literature. We report a fourth family: a 10-year-old girl, her father, and his cousin. Unlike the other reported cases of DCO this family had no carpal or upper limb epiphyseal osteochondromas and many of the other reported associations. The only consistent associated finding in our cases was the presence of multiple parosteal osteochondromatous proliferations. The findings of our cases are, therefore, unique in many ways. These cases may represent a variant of dominant carpotarsal osteochondromatosis or may represent a new entity.

参考中文摘要:

家族例异型增生epiphysealis hemimelica ( DEH系统) ,或特雷弗的疾病,被认为是代表主导carpotarsal骨软骨瘤病(会计处) 。只有3个家庭受影响的会计报告了迄今在文学。我们报告四分之一的家庭:一个10岁的女孩,她的父亲和他的表妹。与其他报告的会计这个家庭没有上肢腕或骺骨软骨瘤和许多其他报告协会。唯一相关的调查结果一致的情况下,存在多个旁osteochondromatous增殖。的调查结果,我们的案件,因此,在许多方面独一无二。这些案件可能是一个变种,主要carpotarsal骨软骨瘤病或可能代表一个新的实体。

出  处:

Skeletal radiology. 2008 Jan  ,37 (1) :67-70

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  11

参考中文标题:

Haemosiderotic fibrohistiocytic脂肪病变/肿瘤足部: MRI及病理组织学。

PMID及链接:

17968543 http://www.syyxw.com/Archive/Detail/17968543

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摘  要:

A 38-year-old woman presented in 2005 with a fatty swelling over the dorsum of her left foot and was subsequently referred to our institution following initial biopsy for further management. MRI was performed before and after surgery. This demonstrated an ill-defined lesion confined to the subcutaneous tissues on the dorsum of the foot with heterogeneous intermediate and high T1 and T2 signal suggesting a complex mixture of fat and fibrous elements. The lesion recurred following initial surgery in the lateral aspect of the hind foot and along the lateral aspect of the ankle. It demonstrated extremely high signal on T2 fat-saturated sequences along the fibrous elements of the lesion and concentrated in a layer just deep to the dermis, which was mirrored on post-contrast images. A histopathological diagnosis of haemosiderotic fibrohistiocytic lipomatous lesion/tumour (HFLL/T) was made. This is a recently described and rare entity that occurs typically in the subcutaneous tissues of the foot or ankle of middle-aged women. To our knowledge this is the first description of the imaging findings in this lesion.

参考中文摘要:

一名38岁女子在2005年提出的不饱和脂肪酸的手背肿胀,她的左脚,后来我们机构提到以下初步活检作进一步跟进。磁共振成像进行手术前后。这表明一个定义不清的病变局限于皮下组织的手背脚与异构中级和高级T1和T2信号暗示一个复杂的混合脂肪和纤维的内容。复发病灶以下初步手术侧面的后足和沿侧面的脚踝。它表明极高信号在T2脂肪饱和序列沿纤维组成部分病变集中在一层刚刚深入真皮层,这是镜像后的对比度的图像。阿病理诊断haemosiderotic fibrohistiocytic脂肪病变/肿瘤( HFLL /吨)发了言。这是一种描述和最近发生的罕见的实体通常在皮下组织的脚或脚踝的中年妇女。据我们所知这是第一次说明成像结果在此病变。

出  处:

Skeletal radiology. 2008 Jan  ,37 (1) :71-4

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  12

参考中文标题:

腱鞘滑膜和脂肪瘤立的脚踝在成人:病例报告。

PMID及链接:

17968542 http://www.syyxw.com/Archive/Detail/17968542

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摘  要:

Lipoma arborescens is a rare benign fat-containing synovial proliferative lesion that is typically known to affect the knee joint in adults. We present the first case of lipoma arborescens of the ankle joint in an adult patient with involvement of the intra-articular synovium as well as the synovial sheath of the tendons around the ankle. The MRI features of this lesion in the adult ankle are described.

参考中文摘要:

脂肪瘤是一种罕见的乔木良性脂肪含有滑膜增生性病变的通常是已知的影响膝关节的成年人。我们目前的第一例脂肪瘤立的踝关节在成人患者参与关节内滑膜以及滑膜鞘的肌腱周围脚踝。的MRI特点,病变在成人踝描述。

出  处:

Skeletal radiology. 2008 Jan  ,37 (1) :75-7

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  13

参考中文标题:

序贯胫骨和腓骨intraneural节因上级胫腓关节。

PMID及链接:

17968541 http://www.syyxw.com/Archive/Detail/17968541

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摘  要:

We present a patient who developed a peroneal intraneural ganglion and an adventitial cyst following the incomplete treatment of a tibial intraneural ganglion. These separate cysts all originated from the superior tibiofibular joint and dissected along their respective articular branches. A logical mechanistic explanation for these coexisting cysts is provided, which highlights the shared pathogenesis--its joint-related nature--rather than a multifocal de novo process. These observations would not only be consistent with, but would extend previous evidence in support of, the unifying articular (synovial) theory.

参考中文摘要:

我们提出一个病人谁制定了神经和腓总intraneural的外膜囊肿治疗后,不完整的胫骨intraneural节。这些单独的囊肿所有来自上级解剖胫腓关节和关节沿各自的分支机构。一个合乎逻辑的解释,这些机械共存囊肿提供,其中突出的共同发病机制-联合相关性-而不是一个多从头进程。这些意见不仅符合,而且将扩大先前的证据支持,统一关节(滑膜)理论。

出  处:

Skeletal radiology. 2008 Jan  ,37 (1) :79-84

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  14

参考中文标题:

技术性错误MR关节造影。 [修改] [ 25参]

PMID及链接:

17530246 http://www.syyxw.com/Archive/Detail/17530246

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摘  要:

This article discusses potential technical problems of MR arthrography. It starts with contraindications, followed by problems relating to injection technique, contrast material and MR imaging technique. For some of the aspects discussed, there is only little published evidence. Therefore, the article is based on the personal experience of the author and on local standards of procedures. Such standards, as well as medico-legal considerations, may vary from country to country. Contraindications for MR arthrography include pre-existing infection, reflex sympathetic dystrophy and possibly bleeding disorders, avascular necrosis and known allergy to contrast media. Errors in injection technique may lead to extra-articular collection of contrast agent or to contrast agent leaking from the joint space, which may cause diagnostic difficulties. Incorrect concentrations of contrast material influence image quality and may also lead to non-diagnostic examinations. Errors relating to MR imaging include delays between injection and imaging and inadequate choice of sequences. Potential solutions to the various possible errors are presented. [References: 25]

参考中文摘要:

本文讨论了潜在的技术问题的MR关节造影。这始于禁忌,其次是有关问题的注射技术,对比度材料和磁共振成像技术。对于某些方面讨论,只有很少出版证据。因此,本文是基于个人经验的作者和地方标准的程序。这样的标准,以及医疗,法律方面的考虑,可能会因国而异。禁忌MR关节造影包括原已存在的感染,反射性交感神经营养不良和疾病有可能出血,缺血性坏死和已知过敏对比媒体。错误注入技术可能会导致关节外收集对比剂或造影剂泄漏的联合空间,可能会导致诊断困难。不正确的浓度对比剂图像质量的影响,也可能导致非诊断性考试。错误有关磁共振成像包括之间的延迟注射和成像和不足,选择序列。可能的解决方案,以各种可能出现的错误提出。 [参考文献: 25 ]

出  处:

Skeletal radiology. 2008 Jan  ,37 (1) :9-18

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