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1
参考中文标题:
流浪脊索瘤-一个中等线危机?
作者单位:
Department of Pathology, University of Alabama at Birmingham, Birmingham, AL 35233, USA.
PMID及链接:
16947047 http://www.syyxw.com/Archive/Detail/16947047
中文提供:
2
参考中文标题:
远端锁骨溶骨问:证据软骨骨折。
作者单位:
Department of Radiology, Division of Musculoskeletal Radiology, Yawkey Center, 6th floor Massachusetts General Hospital, 55 Fruit Street, Boston, MA 02114, USA. akassarjian@partners.org
PMID及链接:
17021902 http://www.syyxw.com/Archive/Detail/17021902
摘 要:
PURPOSE: To investigate the association between distal clavicular osteolysis and subchondral fractures of the distal clavicle at MRI. MATERIALS AND METHODS: This study was approved by the hospital human research committee, which waived the need for informed consent. Three radiologists retrospectively analyzed 36 shoulder MR examinations in 36 patients with imaging findings of distal clavicular osteolysis. The presence of a subchondral fracture of the distal clavicle, abnormalities of the acromioclavicular joint, rotator cuff tears and labral tears were assessed by MRI. These cases were then compared with 36 age-matched controls. RESULTS: At MRI, 31 of 36 patients (86%) had a subchondral line within the distal clavicular edema, consistent with a subchondral fracture. Of the 36 patients, 32 (89%) had fluid in the acromioclavicular joint, while 27 of 36 patients (75%) had cysts or erosions in the distal clavicle. There were 13 patients (36%) with associated labral tears, while eight patients (22%) had partial-thickness rotator cuff tears. In the control group one of 36 (3%) had a subchondral line (P<0.05), while ten of 36 (28%) had rotator cuff tears and 13 of 36 (36%) had labral tears. These latter two were not statistically significant between the groups. CONCLUSION: A distal clavicular subchondral fracture is a common finding in patients with imaging evidence of distal clavicular osteolysis. These subchondral fractures may be responsible for the propensity of findings occurring on the clavicular side of the acromioclavicular joint.
参考中文摘要:
目的:探讨关联远端骨溶解和软骨下锁骨骨折的锁骨远端在MRI检查。材料与方法:本研究通过了医院的人力研究委员会,该委员会必须放弃知情同意。三放射回顾性分析36肩膀磁共振检查36例的影像学表现远端锁骨骨溶解。在场的情况下软骨骨折,锁骨远端,异常的锁关节,肩袖撕裂和labral眼泪评估的MRI 。这些案件中,然后与36年龄匹配的对照。结果: MRI检查, 31日36例( 86 % )有软骨线的远端锁骨水肿,符合软骨骨折。的36例, 32 ( 89 % )有流体在肩锁关节,而27日的36例( 75 % )有囊肿或糜烂在锁骨远端。有13例( 36 % )与相关labral眼泪,而78例( 22 % )已部分厚度袖眼泪。对照组1 36 ( 3 % )进行了软骨线( P “ 0.05 ) ,而10 36 ( 28 % )有肩袖撕裂和13 36 ( 36 % )已labral眼泪。其中后两项没有统计学之间的群体。结论:远端锁骨软骨骨折是一种常见成像患者的证据远端锁骨骨溶解。这些软骨骨折可负责的倾向的结果发生在锁骨一侧的肩锁关节。
中文提供:
3
参考中文标题:
磁共振成像的内盘的锁关节:一个比较解剖学,组织学和体内的调查结果。
作者单位:
Orthop?dische Universit?tsklinik Regensburg, Im Asklepios Klinikum Bad Abbach, Kaiser-Karl-V.-Allee 3, 93077 Bad Abbach, Germany. gheers@t-online.de
PMID及链接:
16909277 http://www.syyxw.com/Archive/Detail/16909277
摘 要:
OBJECTIVE: To characterize MRI features of the intraarticular disk of the acromioclavicular joint. DESIGN: We studied the appearance of 11 acromioclavicular joints of six cadavers (subjects aged 57-89 years at the time of death) and six healthy shoulders on T1-weighted, T2 (TSE)-weighted, STIR and PD (fat saturated) magnetic resonance imaging (MRI) and compared the findings with observations during dissection and histological examination. RESULTS: Macroscopic examinations showed two wedge-shaped disks underneath the superior and above the inferior joint capsule in nine specimens. In two specimens the acromioclavicular joints were degenerated. Histologically, the disk tissue consisted of fibrocartilage whereas the joint cartilage was partly degenerated, containing zones of fibrocartilage amidst degenerated hyaline cartilage, which may explain the similar signal intensity of both structures in all sequences used. MR appearance of the intraarticular structures of the acromioclavicular joint was similar in cadaveric and healthy shoulders. CONCLUSIONS: The difficulties related to imaging the acromioclavicular joint may be explained by the anatomy. Similar signal intensity of cartilage and disk may be explained by their similar histological structure (fibrocartilage). MRI findings should be interpreted with respect to the variable anatomy. These results may serve as a basis for further radiological studies of the acromioclavicular joint.
参考中文摘要:
目的: MRI表现特征的内盘的锁关节。设计:我们研究的出现, 11肩缝6具尸体(科目年龄57-89岁时的死亡)和6名健康的肩膀上T1加权,氚( TSE )的加权,煽动和Pd (饱和脂肪) ,磁核磁共振成像( MRI )和比较的结果的意见,并在解剖组织学检查。结果:宏观检查发现两个楔状磁盘下的优越及以上下九个关节囊标本。两个样本的锁关节退化。组织学上,磁盘组成的纤维软骨组织,而被部分关节软骨退化,载区的纤维软骨由于透明软骨退化,这可能解释了类似的信号强度都在所有序列结构使用。 MR表现的内结构的锁关节相似尸和健康的肩上。结论:有关的困难成像锁关节可以解释的解剖。类似的信号强度的软骨和磁盘可以解释他们类似的组织结构(纤维) 。 MRI检查应解释对变量解剖。这些结果可能为基础,进一步辐射研究锁关节。
中文提供:
4
参考中文标题:
桶柄眼泪的内侧半月板:半月板的入侵,而不是半月板挤压。
作者单位:
Department of Radiology, Jacobi Medical Center, 1400 Pelham Parkway South, Bronx, NY 10461, USA. schlossbergmd@yahoo.com
PMID及链接:
17051389 http://www.syyxw.com/Archive/Detail/17051389
摘 要:
OBJECTIVE: To determine the frequency of medial meniscal extrusion (MME) versus "medial meniscal intrusion" in the setting of bucket handle tears. Images were evaluated for previously reported risk factors for MME, including: medial meniscal root tear, radial tear, degenerative joint disease and joint effusion. METHODS: Forty-one consecutive cases of bucket handle tear of the medial meniscus were reviewed by consensus by two musculoskeletal radiologists. Imaging was performed using a 1.5 GE Signa MR unit. Patient age, gender, medial meniscal root integrity, MME, medial meniscal intrusion, degenerative joint disease, effusion and anterior cruciate ligament (ACL) tear were recorded. RESULTS: Thirteen females and 27 males (age 12-62 years, median=30 years) were affected; one had bucket handle tear of each knee. Effusion was small in 13, moderate in 9 and large in 18. Degenerative joint disease was mild in three, moderate in two and severe in one. 26 ACL tears included three partial and three chronic. Medial meniscal root tear was complete in one case and partial thickness in two. None of the 40 cases with an intact or partially torn medial meniscal root demonstrated MME. MME of 3.1 mm was seen in the only full-thickness medial meniscal root tear, along with chronic ACL tear, moderate degenerative joint disease and large effusion. Medial meniscal intrusion of the central bucket handle fragment into the intercondylar notch was present in all 41 cases. CONCLUSION: Given an intact medial meniscal root in the setting of a "pure" bucket handle tear, there is no MME.
参考中文摘要:
目的:测定频率内侧半月板挤压(女士)与“内侧半月板入侵”在确定桶柄眼泪。图像评价先前报告风险因素的女士,其中包括:根内侧半月板撕裂,径向撕裂,退行性关节病和关节积水。方法: 41例桶柄撕裂的内侧半月板进行了审查以协商一致方式两个肌肉骨骼放射。成像采用了1.5葛签名问股。患者年龄,性别,内侧半月板根完整,太太,内侧半月板的入侵,退行性关节病,胸腔积液和前十字韧带( ACL )撕裂录。结果: 13名女性和27个男性(年龄12-62岁,中位数= 30岁)的影响;人桶柄催泪每个膝盖。积液小13 ,中9大18 。退行性关节病是轻度3 ,中度和严重的两个之一。 26日的ACL眼泪包括三个部分和三个慢性。根内侧半月板撕裂完成1例,部分厚度两个。没有40例完整的或部分撕裂内侧半月板根表明太太。太太的三点一毫米,看到的只有全层根内侧半月板撕裂,加上慢性韧带撕裂,中度退化性关节病和大积液。内侧半月板入侵中央桶柄片段纳入间切迹是在所有41例。结论:由于一个完整的内侧半月板根在建立一个“纯粹”的桶柄撕裂,没有太太。
中文提供:
5
参考中文标题:
炎症的霍法的脂肪垫在制定艾滋病毒:磁共振成像结果在36例。
作者单位:
Division of Musculoskeletal Radiology, Department of Radiology, University of California, San Diego School of Medicine, San Diego, San Diego, CA 92103, USA. htorshiz@hotmail.com
PMID及链接:
17031684 http://www.syyxw.com/Archive/Detail/17031684
摘 要:
OBJECTIVE: To describe MR imaging findings of inflammation of Hoffa's fat pad as a cause of nonspecific knee pain in the HIV-infected population. DESIGN: Retrospective review. PATIENTS: A retrospective review of 400 consecutive MR imaging studies of the knee performed at two institutions over a six-month period was conducted. Inclusion criteria included HIV infection in conjunction with diffuse high signal intensity throughout Hoffa's fat pad on fluid sensitive sequences. Medical histories and images were reviewed by two musculoskeletal radiologists. Exclusion criteria included post-surgical changes, internal derangement, and/or changes consistent with an active synovial inflammatory process. RESULTS: Seven HIV-infected subjects with non-specific knee pain were identified, six of whom met imaging inclusion criteria. Findings in Hoffa's fat pad were present in nine MR studies (bilateral in three, and unilateral in three subjects). Other findings include bilateral enlargement of Hoffa's fat pad in one subject, global increase in signal intensity of the suprapatellar fat pad on fluid sensitive sequences in three subjects and of the prefemoral fat pad in four subjects, avascular necrosis in one subject, and a diffuse pattern of patchy bone marrow edema in one subject. Subjects were diagnosed with HIV from 1993-1999, with imaging performed in 2005. Subjects were on HAART medication for an indeterminate, extended duration of time prior to imaging. CD4 levels of subjects ranged from 448-1262 cells/muL (X=727.33 cells/muL). CONCLUSIONS: While the MR imaging findings of diffuse inflammation of Hoffa's fat pad are nonspecific and unclear in etiology, an association with HIV may exist.
参考中文摘要:
目的:磁共振成像结果炎症霍法的脂肪垫作为一个事业的非特异性膝盖疼痛在感染艾滋病毒的人口。设计:回顾性。患者:回顾性分析400连续磁共振成像研究膝关节完成这两个机构在6个月期间进行。纳入标准包括艾滋病毒感染与弥漫性高信号整个霍法的脂肪垫流体敏感序列。病历和图像进行了审查两个肌肉骨骼放射。排除标准包括手术后的变化,内部紊乱,和/或更改符合积极滑膜发炎过程。结果: 7个艾滋病毒感染者与非具体确定了膝盖的疼痛,其中6人会晤了成像纳入标准。结果在霍法的脂肪垫中有9磁共振研究(双边三个,并单方面在三个科目) 。其他调查结果包括双边扩大霍法的脂肪垫在一个主题,全球增加的信号强度的suprapatellar脂肪垫流体敏感序列在三个议题和prefemoral脂肪垫在四个科目,股骨头缺血性坏死的一个议题,以及弥漫模式的片状骨髓水肿的一个议题。受试者被诊断为艾滋病毒从1993-1999年,与影像学表现在2005年。受试者的鸡尾酒疗法药物不定,持续时间延长之前成像。的CD4水平的学科范围从448-1262细胞/多(十= 727.33细胞/多) 。结论:虽然MRI表现的弥漫性炎症霍法的脂肪垫有非特异性和不明确的病因,一种与艾滋病毒可能存在的。
中文提供:
6
参考中文标题:
深浅两层髌囊:尸调查区域解剖后使用磁共振超声引导bursography 。
作者单位:
Veterans Affairs Medical Center - San Diego, 3350 La Jolla Village Drive, San Diego, CA 92161, USA.
PMID及链接:
16715242 http://www.syyxw.com/Archive/Detail/16715242
摘 要:
OBJECTIVE: To demonstrate the anatomy of the deep and superficial infrapatellar bursae using magnetic resonance (MR) imaging and anatomic correlation in cadavers. DESIGN: MR imaging of the infrapatellar bursae of nine cadaveric knees was performed after ultrasound-guided bursography. The images were compared with those seen on anatomic sectioning. Histologic analysis was obtained in two specimens. RESULTS: The deep infrapatellar bursa (DIB) was visualized in all specimens (n=9) and the superficial infrapatellar bursa (SIB) in five specimens (55%). The mean dimensions of the DIB in the craniocaudal, mediolateral, and anteroposterior planes were respectively 25, 28.7, and 6 mm, and for SIB 19.5, 21.2 and 2.2 mm. A fat apron dividing the DIB was depicted in eight knees (89%). Lateral extension of the DIB beyond the patellar tendon was observed in 100% of cases. Cadaveric analysis depicted a thin septum in the SIB in four of five cases (80%). CONCLUSIONS: The DIB is generally present and extends beyond the lateral margin of the patellar tendon. A fat apron partially separating this structure is usual. The SIB is not an unusual finding and may have a septum separating its compartments.
参考中文摘要:
目的:解剖的深刻和肤浅髌囊使用磁共振(先生)成像及相关的解剖标本。设计:磁共振成像的髌囊9尸体膝盖后进行超声引导bursography 。这些图像进行比较,这些解剖切片上看到。组织学分析,得到两个标本。结果:深髌囊(迪布)是可视化的所有标本( 9例)和浅表性髌囊(银行总监)在5个样本( 55 % ) 。平均尺寸迪布在craniocaudal , mediolateral ,和前后分别为25架, 7月28日,和6毫米,和银行总监19.5 , 21.2和2.2毫米。脂肪围裙除以迪布是描绘在8例( 89 % ) 。横向延伸迪布超出了髌腱有人在100 %的情况下。尸分析描述了一个薄隔在银行总监在四个5例( 80 % ) 。结论:本迪布一般是当前和延伸横向缘髌腱。脂肪围裙部分分离这种结构如常。该银行总监不是一个不寻常的发现,并可能有一个间隔分开的舱室。
中文提供:
7
参考中文标题:
技术战略和解剖考虑parapedicular获得胸腰椎椎体。
作者单位:
Clinical Radiology of Oklahoma, University of Oklahoma, 610 NW 14th, Oklahoma City, OK 73103, USA. dpb@okss.com
PMID及链接:
17013657 http://www.syyxw.com/Archive/Detail/17013657
摘 要:
OBJECTIVES: To investigate and illustrate a variation on the traditional percutaneous access to the vertebral body via a parapedicular approach. DESIGN: An effective parapedicular access technique that could safely and reliably guide the needle tip into the center of the vertebral body was developed from cadaver dissection observations for the purpose of clinical use. PATIENTS: A total of 102 vertebral compression fractures from T-4 to L-5 were treated via the parapedicular access at our institution between July 2005 and March 2006. There were 72 patients between the ages of 17 and 96 years (mean age: 68.2 years) who underwent treatment. RESULTS: The cadaver dissection revealed a relatively avascular and aneural portion of the vertebral body along the superior margin of the vertebral body-pedicle junction. A total 102 vertebral fractures were treated using the parapedicular access technique without any recognized clinical complications from the needle access or the instrumentation. CONCLUSIONS: The thoracic and lumbar vertebral bodies may be safely, reliably, and reproducibly accessed using a percutaneous parapedicular access technique. The technique presented represents a relatively avascular and aneural approach to vertebral body.
参考中文摘要:
目的:探讨和说明的变化对传统皮进入椎体通过parapedicular办法。设计:一个有效的parapedicular接入技术,可以安全,可靠地指导针尖到中央的椎体从尸解剖意见的目的是临床使用。患者:一共有102个椎体压缩骨折从T - 4至L - 5例获得通过parapedicular之间在本机构2005年7月和2006年3月。有72例年龄介于17和96岁(平均年龄:六十八点二年)谁接受治疗。结果:标本解剖显示相对缺血和aneural部分椎体沿上级缘椎体椎弓根交界处。共有102个椎体骨折患者使用parapedicular接入技术没有任何公认的临床并发症针进入或仪器。结论:胸腰椎椎体可安全,可靠和reproducibly透过皮parapedicular接入技术。该技术提出了一个相对缺血和aneural办法椎体。
中文提供:
8
参考中文标题:
PET / CT与磁共振成像在多发性骨髓瘤。
作者单位:
Department of Radiology, University of Maryland Medical Center, 22 South Greene Street, Baltimore, MD 21201, USA. mmulligan@umm.edu
PMID及链接:
16915386 http://www.syyxw.com/Archive/Detail/16915386
摘 要:
Myeloma is the most common primary bone malignancy. It accounts for 10% of all hematological malignancies and 1% of all cancers. In the United States, there are an estimated 16,000 new cases and over 11,000 deaths yearly due to myeloma. Plasma cell dyscrasias manifest themselves in a variety of forms that range from MGUS (monoclonal gammopathy of undetermined significance) and smoldering myeloma that require no therapy, to the "malignant" form of multiple myeloma. The role of imaging in the management of myeloma includes: an assessment of the extent of intramedullary bone disease, detection of any extramedullary foci, and severity of the disease at presentation; the identification and characterization of complications; subsequent assessment of disease status. This review will focus on the use of PET/CT and MR imaging for myeloma patients at the time of initial diagnosis and for follow-up management, based on current reports in the literature and our practice at the Marlene and Stewart Greenebaum Cancer Center, University of Maryland Medical Center in Baltimore, USA.
参考中文摘要:
多发性骨髓瘤是最常见的原发性骨恶性肿瘤。它占10 %的所有恶性血液病和1 %的癌症。在美国,估计有16000例新的死亡和超过11,000个年度由于骨髓瘤。浆细胞dyscrasias表现出来的形式多种多样,从MGUS (单克隆gammopathy意义的)和阴燃骨髓瘤无需治疗,在“恶性”形式的多发性骨髓瘤。的作用,成像在多发性骨髓瘤的管理包括:评估的范围内骨病,外发现任何病灶,并严重的疾病介绍;的鉴定及并发症;随后评估疾病地位。本次审查将侧重于使用PET / CT与磁共振成像对多发性骨髓瘤患者时的初步诊断和后续管理,根据目前的报告,在文献和实践在玛琳和斯图尔特Greenebaum癌症研究中心,大学马里兰州巴尔的摩医学中心,美国。
中文提供:
9
参考中文标题:
使用一种新型定位穿刺活检装置:初步肌骨经验。
作者单位:
Department of Radiology, Mayo Clinic College of Medicine, 13400 E. Shea Boulevard, Scottsdale, AZ 85259, USA. roberts.catherine@mayo.edu
PMID及链接:
16944138 http://www.syyxw.com/Archive/Detail/16944138
摘 要:
OBJECTIVE: To preliminarily evaluate a new CT-biopsy guidance device, the SeeStar (Radi, Uppsala, Sweden), for use in musculoskeletal applications. DESIGN: The device was evaluated using an imaging phantom and in various simulated clinical biopsy situations. The phantom study was undertaken to optimize the linear metallic artifacts produced by the guidance device. The phantom and guidance device were imaged with CT after altering different imaging parameters, including field of view, filter, focal spot size, kV, mAs, slice thickness and pitch. Clinical biopsy situations were simulated for a superficial biopsy, a deep biopsy and a horizontal biopsy approach. RESULTS: Altering CT parameters had little effect on the subjective appearance of the linear metal artifact, which is used to plan the biopsy approach. Placement of an 18-G needle inside of the biopsy device was subjectively helpful in exaggerating the artifact. Use of this artifact could be helpful in planning biopsy approach for deep lesions or lesions near critical structures. The metal guide on the device adequately supports a standard biopsy needle, making it potentially advantageous for biopsy of superficial lesions and lesions approached from a horizontal orientation. CONCLUSION: Use of this CT-biopsy guidance device is potentially useful for musculoskeletal applications. The linear metal artifact produced by the device can help plan the biopsy approach. The device can also be useful in biopsy situations where the biopsy needle requires external support during imaging.
参考中文摘要:
目的:初步评估一个新的CT -活检指导设备, SeeStar (拉迪,乌普萨拉,瑞典) ,用于骨骼肌肉系统的应用。设计:设备进行了评估使用成像幻像和各种模拟临床活检情况。幽灵研究的目的在于优化线性金属器物制作的指导设备。幻象和指导设备的成像与CT成像后,改变不同的参数,包括外地的观点,过滤器,焦斑大小,电压,马航,层厚和螺距。临床检查情况进行了模拟的肤浅活检,深活检和横向活检的方法。结果:改变的CT参数影响不大主观外观线性金属伪影,这是用来规划活检的方法。安置了18荷针内部活检装置是主观帮助夸大了影。使用此伪可有助于规划活检方法的深部病变或病变附近的关键结构。金属指南的设备充分支持标准的活检针,使潜在的有利活检浅表病变及病变从一个水平方向。结论:使用本电脑断层检查指导装置可能是有用的肌肉骨骼系统的应用。线性金属伪设备产生可以帮助计划的活检方法。该设备还可以用于活检的情况下活检针需要外部的支持下,在成像。
中文提供:
10
参考中文标题:
诊断额外轴向脊索瘤的胫骨近端的帮助下, brachyury ,分子所需的脊索分化。
作者单位:
Department of Radiology, Royal National Orthopaedic Hospital, Stanmore, Middlesex, HA7 4LP, UK.
PMID及链接:
16810540 http://www.syyxw.com/Archive/Detail/16810540
摘 要:
Chordomas are rare malignant bone tumours considered to arise from notochordal remnants that persist in the axial skeleton. Although their morphology can resemble that of a carcinoma, chondrosarcoma or malignant melanoma, the axial location and their well-defined immunophenotype, including expression of cytokeratins (CK7/20/8/18/19) and S100, generally allow the diagnosis to be made with confidence once the possibility is considered. In contrast, making a robust diagnosis of an extra-axial chordoma has been difficult in the absence of specific markers for chordomas. We have recently shown in gene expression microarray and immunohistochemistry studies that brachyury, a transcription factor crucial for notochordal development, is a specific and sensitive maker for chordomas. We now present a case of an intracortical tibial tumour, with detailed report of the imaging, and morphological features consistent with a chordoma, where notochordal differentiation was demonstrated with an antibody to brachyury. The tumour cells were also positive for cytokeratins, including CK19, and S100, CEA, EMA and HMBE1, findings which support the diagnosis of chordoma. Brachyury can be employed as a marker of notochordal differentiation and help identify confidently, for the first time, extra-axial bone and soft tissue chordomas, and tumours which may show focal notochordal differentiation.
参考中文摘要:
脊索瘤是罕见的恶性骨肿瘤认为源于脊索残留坚持轴向骨架。虽然它们的形态可以说,一个类似于癌,软骨肉瘤,恶性黑色素瘤,轴向位置和其明确的免疫表型,包括表达细胞角蛋白( CK7/20/8/18/19 )和S100 ,一般允许作出诊断一旦有信心的可能性被认为是。与此相反,一个强大的诊断额外椎脊索瘤一直难以在没有具体的标志脊索瘤。我们最近显示芯片和基因表达免疫组化研究, brachyury ,一个转录因子对于脊索发展,是一个具体的和敏感的制造商为脊索瘤。我们现在提出一个案件一个intracortical胫骨肿瘤,并详细报告成像和形态特征符合脊索瘤,其中脊索表现分化与抗体brachyury 。在肿瘤细胞也呈阳性,细胞角蛋白,包括细胞角蛋白19 ,和S100 ,血清CEA , EMA的和HMBE1 ,结果,这些结果支持诊断脊索瘤。 Brachyury可受聘为标志脊索分化和帮助查明自信,第一次外轴骨与软组织脊索瘤,与肿瘤可查看联络脊索分化。
中文提供:
11
参考中文标题:
滑膜肉瘤原发性骨来源:一例罕见的一种罕见的网站非典型特征。
作者单位:
Department of Radiology and Institute of Radiation Medicine, Seoul National University College of Medicine, Seoul, South Korea.
PMID及链接:
16964492 http://www.syyxw.com/Archive/Detail/16964492
摘 要:
Synovial sarcoma of bone origin is extremely rare and difficult to diagnose. We present a case in which the lesion arose in the cortex of the distal tibia. It showed heterogeneous intermediate signal intensity on T1-weighted images and heterogeneous intermediate to low signal intensity on T2-weighted images with heterogeneous contrast enhancement on MRI. The lesion was confirmed as synovial sarcoma using a combination of histological and molecular genetic studies.
参考中文摘要:
滑膜肉瘤骨来源是极为罕见,而且难以诊断。本病例中,病变发生在大脑皮质的胫骨远端。这表明异构中间信号强度T1加权图像和异构中间低信号强度在T2加权图像对比度增强与异构MRI上。病灶被确认为滑膜肉瘤使用相结合的组织学和分子遗传学研究。
中文提供:
12
参考中文标题:
边际骨折内侧胫骨平台:可能与根内侧半月板撕裂。
作者单位:
Department of Radiology, Jacobi Medical Center, 1400 Pelham Parkway South, Bronx, NY 10461, USA.
PMID及链接:
16570169 http://www.syyxw.com/Archive/Detail/16570169
摘 要:
We report two cases of marginal fractures of the medial tibial plateau associated with medial meniscal root tears. Both patients sustained knee dislocations, with complete tears of the posterior horn medial meniscal root. One sustained a "reverse Segond fracture"; the other sustained an "anteromedial impingement fracture" of the tibial plateau. The meniscal root tears were arthroscopically confirmed and repaired. In the first patient, the integrity of the meniscal root repair was confirmed at a 6-month follow-up arthroscopy for lysis of adhesions. In the second patient, follow-up MRI at 10 months demonstrated a healed meniscal root. The association of medial meniscal root tear with marginal fractures of the medial tibial plateau has not been previously reported.
参考中文摘要:
我们报告两例骨折的边缘内侧胫骨平台与内侧半月板根眼泪。患者持续膝关节脱位,完全眼泪的内侧半月板后角根。一个持续的“反向Segond骨折” ;其他持续一个“内侧撞击骨折”胫骨平台。半月板根眼泪关节确认和修复。在第一个病人,完整的半月板根修复被证实在6个月的后续行动的关节镜松解粘连的。在第二个病人,后续的MRI在10个月表现出了治愈半月板根。协会的根内侧半月板撕裂的边缘骨折的胫骨平台内侧没有以前的报告。
中文提供:
13
参考中文标题:
一种新的形式ischio -椎综合征。
作者单位:
Department of Orthopaedics, Hopital des Enfants Malades, Tunis, Tunesie.
PMID及链接:
16547749 http://www.syyxw.com/Archive/Detail/16547749
摘 要:
We report a boy with ischial hypoplasia, vertebral malsegmentation and multiple other skeletal anomalies which do not fit well with any previously-described disorder. The proband's brother and mother were also slightly affected. We review the pertinent literature, discuss the differential diagnosis and suggest that this may be a previously unreported autosomal dominant disorder, with variable penetrance.We believe that the clinical and radiological features of various syndromes with ischial aplasia/hypoplasia and vertebral malsegmentation are not sufficiently different to justify the current separate categories of "ischio-vertebral dysplasia" and "ischio-spinal dysostosis". We suggest that the term "ischio-vertebral syndrome" should be used until identification of genes affecting ischial and axial morphogenesis is completed.
参考中文摘要:
我们报告一个男孩坐骨发育不全,椎malsegmentation和多种其他骨骼异常不适合与任何先前描述障碍。该证的哥哥和母亲也略有影响。我们审查了有关文献,讨论的鉴别诊断和建议,这可能是以前未报告的常染色体显性遗传疾病,变penetrance.We认为,临床和影像学特点的各种症状与坐骨再生障碍性贫血/发育不全和椎malsegmentation不够不同证明目前的不同类别的“ ischio -椎体发育不良”和“ ischio脊髓发育不全” 。我们建议,对“ ischio -椎综合征”应使用,直至查明基因影响坐骨和轴向形态已经完成。
中文提供:
14
参考中文标题:
双边再生障碍性贫血的胫骨前,单方面再生障碍性贫血的伸拇长肌。
作者单位:
Department of Orthopedic Surgery, Medical Faculty of Kahramanmaras Sutcu Imam University, Yorukselim mh. Hastane cd. No:32, 46050 Kahramanmaras, Turkey. drmuratuzel@hotmail.com
PMID及链接:
16570178 http://www.syyxw.com/Archive/Detail/16570178
摘 要:
A 35-year-old woman presented with bilateral leg pain on walking that had been present since childhood. Clinical examination showed bilateral absence of the tibialis anterior tendons and the left extensor hallucis longus tendon. Magnetic resonance imaging revealed that signal intensities in the location of the tibialis anterior muscles bilaterally and the left extensor hallucis longus muscle were uniformly high on T1-weighted images, consistent with fat tissue and aplastic muscles: findings not previously reported.
参考中文摘要:
一位35岁的女性与双边腿痛行走了本自童年。临床检查发现双边不在胫前肌腱和左伸拇长肌腱。磁共振成像显示,信号强度的位置胫前肌双边和左伸拇长肌一律高T1加权图像,符合再生障碍性脂肪组织和肌肉:结果不是以前的报告。
中文提供: