Search Results
Results 451 - 500 of 912
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Abrams Stephen - - 2002
Restoring a large edentulous space in the anterior maxilla presents many challenges, including how to utilize and manage a deep anterior soft tissue undercut. In the case reported here, a partial denture was constructed that incorporated a semi-rigid exterior flange and a soft liner to help the denture to engage ...
DiBenedetto Margarete - - 2002
For better assessment of foot injury severity during basic military training, we evaluated a simple noninvasive technique: thermography. With this infrared imaging method, we determined normal foot parameters (from 30 soldiers before training), thermographic findings in different foot stress fractures (from 30 soldiers so diagnosed), and normal responses to abnormal ...
Hasler Paul - - 2002
We present the case of a patient with long-standing rheumatoid arthritis and an acute onset of total dysfunction of the posterior tibial tendon. On MRI, a rupture of the tendon was apparent. Intraoperatively, however, massive tenosynovitis with stricture of the tendon was identified as the cause of posterior tibial tendon ...
Schmid Marius R - - 2002
BACKGROUND: Chronic overload is considered the main cause of patellar tendinitis, but it has been postulated that impingement of the inferior patellar pole against the patellar tendon during knee flexion could be responsible. HYPOTHESIS: The role of the patellar pole in patellar tendinitis can be determined by dynamic magnetic resonance ...
Miller Theodore T - - 2002
PURPOSE: The aim of this prospective study was to compare the sensitivity and specificity of sonography with those of MRI in evaluating epicondylitis. METHODS: The affected elbows of 11 patients with suspected epicondylitis were examined sonographically, and the contralateral (normal) elbow was also examined for comparison. In 10 of these ...
Aydingöz Ustün - - 2002
A very rare case of spontaneous rupture of the tibialis anterior tendon diagnosed by MR imaging is presented. The tendon rupture occurred in a patient with recent onset psoriasis of both shins who used a corticosteroid cream (0.1% of methylprednisolone aceponate) for his skin lesions during the last 3 months ...
Bey M J - - 2002
The function of soft connective tissues is frequently characterized by quantifying tissue strain (e.g., during joint motion). Conventional techniques for quantifying tendon and ligament strain typically provide surface measures, using markers, stain lines or instrumentation that may influence the tissue. An alternative approach is to quantify intratendinous strain by applying ...
Cahuzac Jean Philippe - - 2002
As the navicular is unossified in infants with foot deformities, until 5 years old (boys) and 3 years old (girls), it is difficult to give the exact position of hindfoot bones. Magnetic resonance imaging associated with three-dimensional reconstruction allows the visualization of the cartilaginous volume of the bones and the ...
Kerr Roger - - 2002
In summary, MRI has become the dominant imaging modality for assessing soft tissue disorders of the ankle. It is useful in evaluating patients with acute or chronic ankle pain or instability, and for diagnosis and staging of soft tissue mass lesions. MRI often provides information that is essential to treatment ...
Sofka Carolyn M - - 2002
Because of the often complex and sometimes poorly remembered history of trauma to the elbow, imaging beyond conventional plain film radiographs is often needed. Usually, this consists of high-resolution MR imaging to evaluate the articular cartilage, supporting ligaments, and tendons about the elbow. Sonography, however, can also be used, especially ...
Pfirrmann Christian W A - - 2002
MR imaging abnormalities, such as increased signal within normally hypointense structures, form and attachment abnormalities, fluid collections in joints, tendon sheaths and bursa, or even tumors, such as Morton's neuromas, are common in asymptomatic volunteers. They may be explained by normal physiology, anatomic variability, MR imaging artifacts, or true abnormalities ...
Dunfee William R - - 2002
Conventional radiographs in conjunction with clinical examination remains the primary method for evaluating the acute athletic injury. In most cases, suspected acute tendon and ligament injuries are initially treated based on physical examination. Magnetic resonance (MR) imaging, with its multiplanar capability and superb soft tissue contrast, is quickly becoming the ...
Ledermann Hans Peter - - 2002
OBJECTIVE: The purpose of this study was to analyze compartmental involvement and patterns of spread of soft-tissue inflammation in pedal infection. MATERIALS AND METHODS: We reviewed 115 contrast-enhanced 1.5-T MR examinations of the foot in 41 women and 74 men with a mean age of 58.4 years who had undergone ...
Dyson S J - - 2002
It was hypothesised that in solar bone images of the front feet of clinically normal horses, or horses with lameness unrelated to the front feet, there would be less than a 10% difference in the ratio of uptake of radiopharmaceutical in either the region of the navicular bone, or the ...
Clavero Juan A - - 2002
Magnetic resonance (MR) imaging can provide important information for diagnosis and evaluation of soft-tissue trauma in the fingers. An optimal imaging technique should include proper positioning, dedicated surface coils, and specific protocols for the suspected abnormalities. Familiarity with the fine anatomy of the normal finger is crucial for identifying pathologic ...
Jacobson Jon A - - 2002
Musculoskeletal sonography has an important role in the evaluation of the postoperative orthopedic patient. One major advantage of sonography over magnetic resonance imaging and computed tomography is that artifact from metal, which is common after orthopedic surgery, is relatively limited. This allows a clear assessment of the soft tissues for ...
Robinson P - - 2002
Our objective was to describe the appearance of the anteromedial tibiotalar joint on MR arthrography in patients with clinically and arthroscopically confirmed anteromedial impingement. Anteromedial impingement of the ankle is now being recognized in the orthopedic literature as a distinct entity. MR arthrographic findings of anteromedial impingement include capsular and ...
Premkumar Ahalya - - 2002
OBJECTIVE: The purpose of the study is to describe the appearance of the posterior tibialis tendon on MR imaging and high-resolution sonography with color and power Doppler imaging and to determine whether sonography is as accurate for diagnosing tendinosis as MR imaging. SUBJECTS AND METHODS: Fifteen healthy volunteers and 31 ...
Theumann Nicolas H - - 2002
PURPOSE: The purpose of this work was to demonstrate the normal ligamentous and tendinous anatomy of the intermetacarpal (IMC) and common carpometacarpal (CCMC) joints with MRI and MR arthrography. METHOD: MR images of 22 wrists derived from fresh human cadavers were obtained before and after arthrography. The MR imaging features ...
Stoll C - - 2002
A patient with Shprintzen-Goldberg syndrome was followed up for 24 years. The patient's parents were unrelated and unaffected. Walking and speech were delayed. Facial dysmorphism was obvious as well as pectus excavatum, scoliosis, bilateral dislocation of the radial heads, hammer toes and hallux valgus, pes planus, arachnodactyly, and camptodactyly. Skin ...
Clark Robert A RA Department of Ophthalmology, University of California, Los Angeles, California 90095, - - 2002
To determine the effect of rectus extraocular muscle (EOM) transposition with posterior fixation (PF), we employed magnetic resonance imaging (MRI) to demonstrate pulley inflections in EOM paths before and after surgery in patients with paralytic strabismus. Consecutive interventional case series. Five consecutive patients (three males and two females with a ...
Van Bergeyk Anthony B AB Department of Orthopaedics, Faculty of Medicine, University of British Columbia, Vancouver, - - 2002
A prospective case-control study was performed comparing axial and coronal CT scan images of 11 patients (14 ankles) with chronic lateral instability and 12 controls. Scans were performed in a standardized fashion to simulate weight-bearing. Nine measurements to evaluate the alignment of the hindfoot and forefoot were made on two ...
Möller Michael - - 2002
This prospective, randomized trial compared healing characteristics of the Achilles tendon after surgical and nonsurgical treatment for complete rupture of the Achilles tendon. Fifty-eight patients were examined by ultrasonography after 6, 12, and 24 months and by magnetic resonance imaging after 12 months. A standardized protocol was used, and the ...
Chen Y C - - 2001
A patient with a history of Sjögren's syndrome developed chronic arthritis of left ankle. It was diagnosed as arthritis of the Sjögren's syndrome initially. However, joint pain persisted despite corticosteroid therapy. Sonography disclosed a multiloculated cystic lesion with peripheral hyperechoic enhancement around left ankle and extended to Achilles tendon and ...
Mihmanli I - - 2001
We present a case of acute retropharyngeal calcific tendinitis with characteristic findings on radiographic, computed tomography, and magnetic resonance imaging (MRI). To our knowledge, this is the first acute retropharyngeal calcific tendinitis report having inflammation of both the vertebra itself and the longus colli muscle diagnosed on MRI. In patients ...
Awaya H - - 2001
OBJECTIVE: We describe the anatomy and MR imaging appearance of elbow plicae. MATERIALS AND METHODS: First, five cadavers were evaluated by sectioning and using MR arthrography for evidence of normal or prominent synovial folds to determine the potential origin of elbow plicae. Next, 164 consecutive MR images were evaluated to ...
Ikoma K - - 2001
The (1)H double-quantum filtered (DQF) NMR and DQF MRI is applied to the joint tissues of rabbits for selective visualization of tendons, menisci and articular cartilage. The (1)H DQF NMR selectively filters double-quantum coherence arising from the (1)H dipolar interaction of the "bound" water in these tissues. The double-quantum creation ...
Oatridge A - - 2001
Tendons do not normally produce detectable signals with conventional magnetic-resonance techniques and are recognised as dark signal voids. However, if tendons are examined at 55 degrees to the static magnetic field (the "magic angle"), signals become detectable and the tendons can become the brightest structure on the image. We have ...
Ashman C J - - 2001
Many disorders produce discomfort in the metatarsal region of the forefoot. These disorders include traumatic lesions of the soft tissues and bones (eg, turf toe, plantar plate disruption, sesamoiditis, stress fracture, stress response), Freiberg infraction, infection, arthritis, tendon disorders (eg, tendinosis, tenosynovitis, tendon rupture), nonneoplastic soft-tissue masses (eg, ganglia, bursitis, ...
Theumann N H - - 2001
PURPOSE: To describe the normal magnetic resonance (MR) imaging-depicted anatomy of the intermetatarsal spaces, with emphasis on the MR imaging appearance of the intermetatarsal bursae, and to correlate the MR findings with those seen in anatomic sections and at histopathologic analysis. MATERIALS AND METHODS: Conventional radiography and pre- and postcontrast ...
Richards P J - - 2001
AIM: To assess whether abnormal Achilles tendon (TA) magnetic resonance imaging (MRI) and spectral ultrasound (US) features have associated development of microvascular power Doppler (PD) flow. MATERIALS AND METHODS: In a prospective, controlled and blinded study six patients with TA symptoms were compared to five with other ankle abnormalities. Two ...
Robinson P - - 2001
PURPOSE: To determine the accuracy of magnetic resonance (MR) arthrography in assessing the anterolateral recess of the ankle. MATERIALS AND METHODS: Thirty-two patients with chronic ankle pain prospectively underwent gadolinium-enhanced MR arthrography of the tibiotalar joint. All underwent clinical examination and were included if anterolateral impingement (n = 13) or ...
Morvan G - - 2001
Because of their size and superficial location the ankle tendons can be well evaluated with ultrasound (US). The excellent definition of the modern high frequency probes allows us to consider US the technique of first choice in their assessment. Basic US appearances correlate well with the MRI findings. Since US ...
Martinoli C - - 2001
This article describes the use of ultrasound (US) in the evaluation of the elbow. US is able to visualize several abnormalities affecting tendons, muscles, ligaments and bursae around the elbow joint as well as to delineate the nature of soft-tissue swelling, such as a space-occupying lesion or synovial enlargement. Occult ...
Weishaupt D - - 2001
The purpose of this study was to evaluate the prevalence and anatomic distribution of occult and palpable ganglia of the foot and ankle as seen by MRI. Within a 7-year period MRI of the ankle was performed on 2813 patients, and MRI of the foot on 2277 patients using a ...
Chung C B - - 2001
OBJECTIVE: To demonstrate the MR imaging findings that occur between the posterior inferolateral patellar tendon and the lateral femoral condyle in patients with chronic anterior and or lateral knee pain. PATIENTS AND DESIGN: A retrospective review of the MR images in 42 patients who presented with chronic anterior or lateral ...
Pasternack I - - 2001
PURPOSE: To highlight the importance of meta-analysis in diagnostic imaging by presenting a systematic search of the literature on the accuracy of MR imaging in epicondylitis. MATERIAL AND METHODS: The literature was comprehensively reviewed to identify studies on MR findings in epicondylitis. Reviewers blind to the clinical diagnoses screened the ...
Cheung Y - - 2001
Ankle sprains are among the most common musculoskeletal injuries. MR imaging is useful in establishing an accurate diagnosis and, before initiation of treatment, excluding other causes of persistent ankle pain. This article reviews the common features of acute and chronic ligamentous injuries on MR imaging and site-specific pathologic lesions related ...
Bencardino J T - - 2001
This article focuses on the contributions of MR imaging and CT toward the evaluation of painful osseous abnormalities of the foot and ankle. Inconclusive findings on conventional radiographs often mandate further work up with the more advanced cross-sectional imaging techniques. Often, however, the radiologist remains unsure, which modality, CT or ...
Morrison W B - - 2001
Infection and noninfection inflammatory diseases commonly affect the foot and ankle; they have a significant impact on the cost of medical care and are a major source of referral for MR imaging evaluation. Recognition of the MR imaging appearance of the various manifestations of these disorders is important so that ...
Morrison W B - - 2001
Diabetes is a common disease with potentially devastating complications affecting the foot and ankle. A combination of vascular disease, peripheral neuropathy, and immunopathy result in a cascade of conditions including ischemia/infarction, tendinopathy, atrophy, edema, deformity, neuropathic osteoarthopathy, callus, ulceration, and infection. The MR imaging appearance of these complications will be ...
Bencardino J T - - 2001
Normal anatomic variants may erroneously be interpreted as pathologic conditions on MR imaging of the ankle and foot. Therefore, sufficient knowledge of the normal anatomy and its variations is crucial for accurate diagnostic analysis of such images. This article will focus on outlining variants and MR imaging interpretation pitfalls of ...
Harty M P - - 2001
MR imaging plays a valuable role in the evaluation of foot and ankle in infants and children. In young children with nonossified bones, MR imaging offers the advantage of effectively demonstrating the cartilaginous anlage in addition to soft tissue and bone marrow. The MR imaging examination is tailored to the ...
Hsueh C J - - 2001
We report a case of synovial chondroma of the left ankle in an 11-year-old boy presenting with soft tissue swelling after recent trauma. The noncalcified or nonossified intraarticular chondroma arising from metaplastic synovium has characteristic imaging appearance on computed tomography (CT) and magnetic resonance imaging (MRI). A lobulated mass of ...
Maier M - - 2001
Today the clinical use of extracorporeal shockwave application (ESWA) for the treatment of lateral tennis elbow is hampered by the lack of results from randomized controlled trials and of predictive parameters of clinical outcome. The present prospective study aimed to provide the latter by means of magnetic resonance imaging (MRI). ...
McAllister D R - - 2001
Autogenous bone-patellar tendon-bone is commonly used as graft material for cruciate ligament reconstructions. If this type of graft is too long, graft fixation other than an interference screw may be required. If it is too short, selection of another type of graft may be necessary. If the length of the ...
Harty M P - - 2001
Imaging pediatric foot disorders is a challenging task. Optimally exposed and well-positioned radiographs can answer many questions. Because many bones may not be completely ossified, however, CT or MR imaging is often needed to provide additional information to assist in the management of congenital and acquired lesions in the foot.
Peh W C - - 2001
A 46 year old man presented with a growing mass over his wrist. Erosions of the triquetrum and hamate were present radiographically. Magnetic resonance imaging (MRI) showed a solid mass arising from the extensor carpi ulnaris tendon, which was T(1) hypointense and isointense, T(2) hypointense, and bloomed on gradient echo ...
Belli P - - 2001
OBJECTIVE: To describe the sonographic findings of distal biceps tendon ruptures and to assess the accuracy of the technique. METHODS: Twenty-five patients with clinically indicated distal biceps tendon ruptures were prospectively studied by sonography. Five patients also underwent magnetic resonance imaging. Surgical confirmation was obtained in 14 patients. RESULTS: Seventeen ...
Johansson L C - - 2001
To examine the hydrodynamic propulsion mechanism of a diving great crested grebe (Podiceps cristatus), the three-dimensional kinematics was determined by digital analysis of sequential video images of dorsal and lateral views. During the acceleration phase of this foot-propelled bird, the feet move through an arc in a plane nearly normal ...
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