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Perrich Kiley D - - 2009
The objective of our study was to provide a pictorial survey of MR images of ankle ligaments in various conditions from intact to disrupted. MR images of ankle ligaments from a sample of patients with ankle pain or injury are presented and reviewed.
Richards Paula J - - 2010
AIM: To evaluate the imaging of the natural history of Achilles tendinopathy microvascularisation in comparison with symptoms, using a validated disease-specific questionnaire [the Victorian Institute of Sport Assessment-Achilles (VISA-A)]. METHOD: A longitudinal prospective pilot study of nine patients with post-contrast magnetic resonance imaging (MRI), time-intensity curve (TIC) enhancement, ultrasound (US) ...
Du Jiang - - 2010
Tendons and entheses are magnetic resonance (MR) "invisible" when imaged with conventional clinical pulse sequences. When the highly ordered, collagen-rich fibers in tendons and entheses are placed at the magic angle, dipolar interactions are decreased and their T2s are often considerably increased. The bulk magnetic susceptibility of tendons and entheses ...
Anastasi Giuseppe - - 2009
We have applied high-quality medical imaging techniques to study the structure of the human ankle. Direct volume rendering, using specific algorithms, transforms conventional two-dimensional (2D) magnetic resonance image (MRI) series into 3D volume datasets. This tool allows high-definition visualization of single or multiple structures for diagnostic, research, and teaching purposes. ...
Mansfield H L - - 2009
The case is presented of a woman with a gradual onset of knee pain due to calcific tendonitis of the medial collateral ligament (MCL). The diagnosis was made based on clinical findings, plain radiography and magnetic resonance imaging. Her symptoms improved with non-operative measures. Calcific tendonitis is a common pathology ...
Sampson Sarah N - - 2009
Seventy-two horses with recent onset of navicular syndrome and normal radiographs were assessed. Horses underwent magnetic resonance (MR) imaging of both front feet. All abnormalities were characterized and the most severe abnormality identified, if possible. Abnormal signal intensity in the navicular bone was the most severe abnormality in 24 (33%) ...
Gaskin Cree M - - 2009
PURPOSE: The purpose of the study was to depict a subset of focal partial tears of the biceps brachii tendon, occurring at the entrance to the bicipital groove, which can be difficult to detect with MRI. SUBJECTS AND METHODS: The institutional review board approved this HIPAA-compliant study; informed consent was ...
Faleiros Antonio Tadeu de Souza - - 2009
There is substantial controversy in literature about human dermatomes. We studied L4, L5, and S1 inferior limb dermatomes by comparing clinical signs and symptoms with conduction studies, electromyographical data, neurosurgical findings, and imaging data from computerized tomography (CT) or magnetic resonance imaging (MRI). After analyzing 60 patients, we concluded that ...
Le Huy B Q - - 2009
There is still a paucity of information about the clinical presentation, treatment and imaging findings of latissimus muscle tears. Only one study has specifically described the magnetic resonance imaging (MRI) features of latissimus tendon tears. We describe a case of a high-grade tear in the latissimus muscle tendon in an ...
Peduto Anthony J - - 2009
OBJECTIVE: The objectives of this study were to determine whether the fibulotalocalcaneal (FTC) ligament of the ankle, described in anatomical literature, can be identified on magnetic resonance (MR) imaging studies. METHODS: Magnetic resonance imaging was performed on 6 cadaver ankles, which were then sectioned axially. The posterolateral ankle was inspected ...
Devitt Deanna - - 2009
OBJECTIVE: To assess the value of ultrasonography (US), magnetic resonance imaging (MRI), and bone mineral densitometry (BMD) in evaluating human Achilles' tendon strength. DESIGN: Cross-sectional observational study. SETTING: Tertiary care hospital. PARTICIPANTS: Ninety-eight Achilles' tendons from 49 consecutive cadavers (26 men and 23 women with a mean age of 66.6 ...
Spriet M - - 2009
REASONS FOR PERFORMING STUDY: Hyperintense signal is sometimes observed in ligaments and tendons of the equine foot on standing magnetic resonance examination without associated changes in size and shape. In such cases, the presence of a true lesion or an artifact should be considered. A change in position of a ...
Albisetti Walter - - 2009
Os trigonum impingement is a frequent cause of posterior ankle pain in ballet dancers because they need extreme plantar flexion during the execution of relevé in demipointe and en pointe positions. Clinical examination and standard and modified x-rays should be carried out to clearly identify the site and entity of ...
Cash C J C - - 2009
Standard anatomical textbooks describe the insertion of the subscapularis tendon on to the lesser tuberosity of the humerus. The transverse humeral ligament is also described at this level, as a band of tissue attached to the greater and lesser tuberosities, overlying the long tendon of biceps as it emerges from ...
Bell Chris D - - 2009
OBJECTIVE: To determine clinical outcome following intrathecal injection of the podotrochlear (navicular) bursa for signs of foot pain in horses evaluated via magnetic resonance imaging (MRI) and evaluate efficacy of corticosteroids administered with or without hyaluronate. DESIGN: Retrospective case series. ANIMALS: 23 horses. PROCEDURES: Data collected included signalment, history, intended ...
Pastore Daniel - - 2009
OBJECTIVE: MRI and combined ankle and posterior subtalar MR arthrography in cadavers were used to evaluate the ligaments of the posterior and lateral talar processes. Subsequent anatomic and histologic correlation was performed. MATERIALS AND METHODS: Ten cadaveric ankles were used. Routine radiography and MRI were initially performed. Ankle and posterior ...
Wong Margaret W N - - 2009
The cause of navicular tuberosity pain in adolescents with flexible flatfeet is not well understood. We hypothesized that some of the navicular tuberosity pain may be related to insertional enthesopathy of the posterior tibial tendon at the navicular. Magnetic resonance imaging was performed to look for abnormal signal changes in ...
Koplas Monica C - - 2009
Absence of the long head of the biceps tendon is a rare anomaly particularly when it occurs bilaterally. We present the magnetic resonance and arthroscopy findings in a patient with bilateral congenital absence of the long head of the biceps who presented with bilateral shoulder pain. Identification of a shallow ...
Reach John S - - 2009
Ultrasonography is an emerging imaging modality which affords dynamic, real-time, cost-effective and surgeon controlled visualization of the foot and ankle. The purpose of this study was to evaluate the accuracy of ultrasound guided injections for common injection sites in the foot and ankle. In 10 fresh cadaver feet, ultrasound guidance ...
Saied A - - 2009
BACKGROUND AND PURPOSE: This study was designed to find a possible correlation between the presence of the palmaris longus (PL) tendon and function of the fifth flexor digitorum superficialis (FDS) and carpal tunnel syndrome (CTS). METHODS: The CTS and normal groups consisted of 60 and 180 hands, respectively. The diagnosis ...
Farsetti Pasquale - - 2009
In congenital clubfoot, residual deformities are not well-documented and they may change depending on different treatments. To identify the treatment that provides better outcome at maturity, we studied the computed tomography of two cohorts of patients affected with congenital clubfoot who were treated using two distinct protocols. Forty-seven clubfeet were ...
De Maeseneer Michel - - 2009
Sonographic examination of the ankle depends on exact knowledge of the specific probe positions to acquire the best images. In this article, we discuss these positions and illustrate them with drawings, anatomic slices or dissection, and sonograms. Positions studied include those for best imaging of the anterior tibiotalar joint, anterior ...
Mehrzad Homoyoon - - 2009
Inguinoscrotal bladder hernias are still a rare finding in clinical practice. The present report describes the case of a patient who presented with minimal symptoms and was found to have an inguinoscrotal bladder hernia that was confirmed on CT. The CT findings include very clear and interesting images, and the ...
Blunden A - - 2009
REASONS FOR PERFORMING STUDY: Lameness associated with lesions of the deep digital flexor tendon (DDFT) in the digit is now recognised as an important cause of lameness, but there is currently limited information about the pathological nature of the lesions. OBJECTIVES: To compare: signal intensity changes on magnetic resonance images ...
Dewey Curtis - - 2009
A 3-year-old male neutered Pomeranian presented with severe, poorly localizable pain that was unresponsive to a combination of oral medications (gabapentin, tramadol, prednisone, and methocarbamol) and a fentanyl patch. A Chiari-like malformation with associated syringomyelia was evident on magnetic resonance imaging (MRI). In addition, overlapping of the dorsal arch of ...
Nagasawa Hiroyuki - - 2009
In this report, we present a 68-year-old man with rice body formation in the flexor tendon sheath of the fingers without any inflammatory diseases such as tuberculosis or rheumatoid arthritis. The patient visited our institute in March 2004 with a one-month history of swelling and pain of the right distal ...
Dimmick S - - 2008
Injuries to the lateral ligaments of the ankle are common in medical practice. The most commonly injured ligaments are the anterior talofibular (ATFL) and calcaneofibular (CFL) ligaments. When undertaking MRI evaluation of ankle injuries it is important to understand the normal dimensions, appearance and variations of these ligaments. Twenty-eight consecutive ...
Du Jiang - - 2009
Collagen fibers in tendons and entheses are highly ordered. The protons within the bound water are subject to dipolar interactions whose strength depends on the orientation of the fibers to the static magnetic field B(0). Clinical pulse sequences have been employed to investigate this magic angle effect of the Achilles ...
Alparslan Leyla - - 2008
Chronic ankle instability has been defined as the development of recurrent ankle sprains and persistent symptoms after initial lateral ankle sprain. The diagnosis of ankle instability is usually established on the patient's history, physical examination, and radiographic assessment. Patients have signs of both functional and mechanical instability, and the repetitive, ...
Leal-Blanquet Joan - - 2009
The objective of this study was to confirm the presence and frequency of a bifurcation of the popliteus tendon. The popliteus tendon has received attention due to its important function as a knee stabiliser. Several anatomical variants have recently been reported, one of them being a bifurcated tendon. However, the ...
Belentani Clarissa - - 2009
OBJECTIVE: The purpose of this cadaveric study was to describe the normal MR anatomy of the triceps brachii tendon (TBT) insertion, to correlate the findings with those seen in anatomic sections and histopathologic analysis, and to review triceps tendon injuries. MATERIALS AND METHODS: Twelve cadaveric elbows were used according to ...
Naran Ketan N - - 2008
Osteochondral lesions (OCLs) about the foot and ankle often manifest clinically as prolonged joint pain after trauma, often an ankle sprain, which is refractory to conventional, conservative therapeutic treatment. Noncontrast MR imaging is the standard of care imaging modality for diagnosing and classifying osteochondral lesions, but equivocal or difficult lesions ...
Graham Lorraine E - - 2008
OBJECTIVE: To compare oxygen consumption for traumatic high-functioning transfemoral amputees wearing initially a conventional prosthetic foot (Multiflex) and then an energy-storing prosthetic foot (Vari-Flex). SETTING: A regional prosthetic and amputee rehabilitation tertiary referral centre in a teaching hospital. STUDY DESIGN: Experimental crossover trial. SUBJECTS: Six established unilateral transfemoral prosthetic users. ...
Lui Pauline Po-yee - - 2009
We report chondrocyte phenotype and ectopic ossification in a collagenase-induced patellar tendon injury model. Collagenase or saline was injected intratendinously in one limb. The patella tendon was harvested for assessment at different times. There was an increase in cellularity, vascularity, and loss of matrix organization with time after collagenase injection. ...
Kerimo─člu Servet - - 2009
Several studies report that tendons can regenerate after harvesting. These studies have been performed especially in patellar and hamstring tendons. At our institution, 10 cm length of full thickness peroneus longus tendon has been harvested to reconstruct torn anterior cruciate ligament since 1997 as a different graft source. The aim ...
Lee Roger P - - 2009
OBJECTIVE: The symptoms and physical findings of intersection syndrome have been well described in the clinical medical literature. However, the magnetic resonance imaging (MRI) findings in patients with intersection syndrome of the forearm have only recently been described in a small number of patients. We review our experience with imaging ...
Clifford P D - - 2009
We report a case of a rare isolated avulsion of the long head of the triceps tendon detected at magnetic resonance (MR) examination occurring in a 35-year-old male surfer. Isolated long-head triceps tendon avulsions have rarely been reported and, to our knowledge, the MR findings have not previously been described ...
Murphey Mark D - - 2008
Pigmented villonodular synovitis (PVNS) represents an uncommon benign neoplastic process that may involve the synovium of the joint diffusely or focally (PVNS) or that may occur extraarticularly in a bursa (pigmented villonodular bursitis [PVNB]) or tendon sheath (pigmented villonodular tenosynovitis [PVNTS]). Pathologic specimens of the hypertrophic synovium may appear villous, ...
Dyson S - - 2008
REASONS FOR PERFORMING STUDY: Magnetic resonance imaging (MRI) is used with increasing frequency to diagnose injuries of the collateral ligaments (CLs) of the distal interphalangeal (DIP) joint, but the results have not been verified by histology and the mechanism of injury is poorly understood. HYPOTHESIS: Abnormal signal intensity and tissue ...
Kuwada Gerald T - - 2008
BACKGROUND: The purpose of this study was to determine whether magnetic resonance imaging findings are accurate and can be confirmed surgically. METHODS: Surgical correlation of preoperative magnetic resonance imaging findings of trauma to tendons and ligaments of the foot and ankle were retrospectively studied in 28 patients who had undergone ...
Weber Marcio Freitas Valle de Lemos - - 2009
OBJECTIVE: The purpose of this study was to provide a detailed description of the anatomy of the coronoid process of the ulna and to use magnetic resonance (MR) images and anatomic correlation with cadavers to show the macroscopic configuration of this structure. MATERIALS AND METHODS: Photography and high-resolution radiography were ...
McAnally James L - - 2008
Entrapped soft tissues such as periosteum and tendons have been described within joints and physeal fractures in the literature and frequently result in irreducible fractures and posttraumatic growth disturbances. We believe this case represents a novel presentation of acute, preoperative, magnetic resonance (MR) imaging diagnosis of a torn medial collateral ...
Le Corroller Thomas - - 2008
We report on the clinical, imaging-including ultrasound, computed tomography, and magnetic resonance imaging-and histological features of a fibroma of the tendon sheath with mineralized chondroid and osseous metaplasia, presenting as a semimembranosus bursitis. The anatomical characteristics of the semimembranosus bursa are demonstrated by dissection in a cadaveric specimen and correlated ...
Luyckx G - - 2008
In this article, the imaging findings of the most frequently encountered import pathology of the hand and foot are reviewed, including leprosy, loiasis, snake bites or penetration of spines of sea urchins in the hand and foot. Our objective is to familiarize the radiologist of the Western countries with these ...
Studler Ueli - - 2008
OBJECTIVE: The objective of our study was to retrospectively evaluate the association between abnormalities of the lesser tuberosity and subscapularis tendon lesions. MATERIALS AND METHODS: Cortical irregularities and cysts of the lesser tuberosity were evaluated on radiographs and MR images in 70 patients: 31 with normal subscapularis tendons and 39 ...
Elhawary H - - 2008
Owing to their highly ordered structure, tendons and cartilage appear with low signal intensity when imaged using magnetic resonance imaging (MRI) scanners. A significant increase in signal can be observed when these structures are oriented at 55 degrees (termed the magic angle) with respect to the static field B0. There ...
Seki Nobutoshi - - 2008
BACKGROUND: We analyzed the mechanical environment of the supraspinatus tendon using a three-dimensional finite element model with the software programs MENTAT and MARC. METHODS: The supraspinatus tendon that attaches to the superior facet was extracted and modeled. The geometric shape of the humeral head was determined from computed tomography images, ...
Moraes do Carmo Clarissa Canella - - 2008
OBJECTIVE: Abnormalities of the plantar aponeurosis are commonly encountered in patients with subcalcaneal heel pain. Understanding normal anatomy is required to accurately diagnose some disorders of the foot. The purpose of our study was to describe the normal anatomy of the plantar aponeurosis, using ultrasonography and MRI with close anatomic ...
Pastore Daniel - - 2008
PURPOSE: The purpose of this report was to demonstrate the normal complex insertional anatomy of the tibialis posterior tendon (TPT) in cadavers using magnetic resonance (MR) imaging with anatomic and histologic correlation. MATERIAL AND METHODS: Ten cadaveric ankles were used according to institutional guidelines. MR T1-weighted spin echo imaging was ...
Zanetti Marco - - 2008
The purpose of this article is to highlight the anatomical variants, technical pitfalls, and the prevalence of abnormal conditions in the asymptomatic population in magnetic resonance imaging of the foot and ankle. Special attention is drawn to the complex anatomy of the deltoid ligament (the superficial tibionavicular ligament, tibiospring ligament, ...
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