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https://www.readbyqxmd.com/read/29673820/extra-osseous-ewing-s-sarcoma-of-sciatic-nerve-masquerading-as-benign-nerve-sheath-tumor-and-presented-as-lumbar-radiculopathy
#1
Jung Soo Bang, Nitin Adsul, Jae-Hyeon Lim, Il-Tae Jang
BACKGROUND: Extraosseous Ewing Sarcoma (EES) arising from peripheral nerves is extremely rare with only 11 cases, mentioned in the literature. It poses a diagnostic challenge to the clinicians due to its nonspecific presentation and rare occurrence. CASE DESCRIPTION: A 56-year-old woman came with a history of low back pain and intractable right leg pain. Physical examination revealed the normal motor power of both lower limbs with decreased sensation along the lateral aspect of the foot with decreased ankle reflex...
April 16, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29673013/postural-control-during-a-transition-task-in-haemophilic-children-adolescents-and-young-adults-with-haemophilic-ankle-arthropathy
#2
K Deschamps, F Staes, M Eerdekens, K Peerlinck, C Hermans, J Vandesande, S Lobet
BACKGROUND: The aim of this study was to determine whether young haemophilic boys with and without MRI-based signs of ankle arthropathy demonstrate reduced balance ability during a transition task with eyes open and eyes closed. METHODS: Thirty-four haemophilic bodies and 28 typically developing boys aged 6-20 years participated to this study. Structural integrity of the tarsal foot joints of all haemophilic boys was assessed with MRI. All participants performed a standard transition task from double-leg stance to single-leg stance with eyes open and eyes closed...
April 19, 2018: Haemophilia: the Official Journal of the World Federation of Hemophilia
https://www.readbyqxmd.com/read/29658814/combined-spring-and-deltoid-ligament-repair-in-adult-acquired-flatfoot
#3
Caio Nery, André Vitor Kerber C Lemos, Fernando Raduan, Nacime Salomão B Mansur, Daniel Baumfeld
BACKGROUND: Adult-acquired flatfoot deformity (AAFD) is usually due to a combination of mechanical failure of the osteoligamentous complex that maintains the medial longitudinal arch of the foot and attenuation or complete tear of the posterior tibial tendon. Magnetic resonance imaging studies in patients with flatfoot deformities have reported the posterior tibial tendon to be pathologic in up to 100% of patients, the spring ligament in up to 87%, and the deltoid ligament in 33%. Many studies in the literature describe reconstruction of the spring ligament or the deltoid ligament associated with AAFD, but there is no study in which both (spring and deltoid) ligaments are reconstructed at the same time...
April 1, 2018: Foot & Ankle International
https://www.readbyqxmd.com/read/29652232/long-term-tumor-control-following-stereotactic-radiosurgery-for-jugular-paraganglioma-using-3d-volumetric-segmentation
#4
Neil S Patel, Matthew L Carlson, Bruce E Pollock, Colin L W Driscoll, Brian A Neff, Robert L Foote, Christine M Lohse, Michael J Link
OBJECTIVE The morbidity of gross-total resection of jugular paraganglioma (JP) is often unacceptable due to the potential for irreversible lower cranial neuropathy. Stereotactic radiosurgery (SRS) has been used at the authors' institution since 1990 for the treatment of JP and other benign intracranial tumors. Conventional means of assessing tumor progression using linear measurements or elliptical approximations are imprecise due to the irregular shape and insinuating growth pattern of JP. The objective of this study was to assess long-term tumor control in these patients by using slice-by-slice 3D volumetric segmentation of serial MRI data...
April 13, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29601967/tarsal-coalition-in-paediatric-patients
#5
REVIEW
P-L Docquier, P Maldaque, M Bouchard
Tarsal coalition is due to failure of segmentation between two or more foot bones during embryological development at a site where the joint cleft fails to develop. Depending on the nature of the tissue connecting the bones, the abnormality is a syndesmosis, synchondrosis, or synostosis. Although the coalition exists at birth, synostosis usually develops only late during growth. Talo-calcaneal and calcaneo-navicular coalitions account for over 90% of all cases of tarsal coalition. The joint at the site of the coalition is stiff...
March 27, 2018: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29589970/imaging-of-the-tibionavicular-ligament-and-its-potential-role-in-adult-acquired-flatfoot-deformity
#6
Neal Ormsby, Gillian Jackson, Paul Evans, Simon Platt
BACKGROUND: The spring ligament is an important medial arch stabilizer. However, when disrupted, it does not cause planovalgus deformity until the foot is cyclically loaded. We propose that the tibionavicular (TN) ligament plays an important role. However, this ligament is not imaged in routine magnetic resonance imaging (MRI) sequences. METHODS: A prospective case-control study using a novel MRI sequence to image the TN ligament in 20 normal feet creating a baseline appearance of the ligament...
March 1, 2018: Foot & Ankle International
https://www.readbyqxmd.com/read/29572747/severe-nasomaxillary-hypoplasia-binder-phenotype-on-prenatal-us-mri-an-important-marker-for-the-prenatal-diagnosis-of-chondrodysplasia-punctata
#7
Anna R Blask, Eva I Rubio, Kimberly A Chapman, Anne K Lawrence, Dorothy I Bulas
BACKGROUND: Chondrodysplasia punctata is a skeletal dysplasia caused by a diverse spectrum of etiologies, with outcomes ranging from antenatal demise to a normal life span. Prenatal detection can be challenging. OBJECTIVE: To review a series of cases of chondrodysplasia punctata associated with nasomaxillary hypoplasia, known as the Binder phenotype, and to highlight prenatal ultrasound and MRI findings, as well as postnatal MRI and radiographic findings. MATERIALS AND METHODS: We retrospectively reviewed ultrasound, MRI and radiographic imaging findings in postnatally confirmed cases of chondrodysplasia punctata from 2001 to 2017...
March 23, 2018: Pediatric Radiology
https://www.readbyqxmd.com/read/29572556/good-clinical-and-functional-outcomes-at-mid-term-following-autologous-osteochondral-transplantation-for-osteochondral-lesions-of-the-talus
#8
REVIEW
Yoshiharu Shimozono, Eoghan T Hurley, Charles L Myerson, John G Kennedy
PURPOSE: Autologous osteochondral transplantation is an established treatment for large-sized osteochondral lesions of the talus (OLT) with excellent short term outcomes. However, few studies assess the outcomes of autologous osteochondral transplantation at mid-term follow-up. The purpose of the current systematic review was to evaluate the clinical outcomes of the autologous osteochondral transplantation procedure in the treatment of OLT at mid-term and long-term follow-up. METHODS: A systematic search of the MEDLINE, EMBASE and Cochrane Library databases was performed in October 2017 based on the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines...
March 23, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29562484/foot-drop-caused-by-a-movable-cystic-mass-during-knee-motion
#9
Nack Hwan Kim, Sang-Heon Lee
BACKGROUND: Nerve injury due to a movable cystic mass during knee motion is a rare neuropathy, which can be diagnosed precisely using a dynamic ultrasonogram. OBJECTIVE: To present a case with foot drop and common peroneal neuropathy that involved a movable cystic mass during knee flexion adjacent to the proximal tibiofibular joint. METHODS: Case report. RESULTS: A 47-year-old female was referred to our institute for a right foot drop...
March 9, 2018: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/29560277/awareness-of-traumatic-occult-lateral-mass-fracture-of-the-cervical-spine-triggered-by-the-presence-of-unilateral-vertebral-artery-occlusion-a-case-report
#10
Tsunehiko Konomi, Kota Suda, Satoko Matsumoto, Miki Komatsu, Masahiko Takahata, Norimasa Iwasaki, Akio Minami
Introduction: We present an unusual case of traumatic occult lateral mass fracture of the cervical spine with unilateral occlusion of the vertebral artery (VA), that was missed by plain X-ray and magnetic resonance imaging (MRI), but identified by computed tomography (CT) after suspecting high-energy trauma as the underlying cause. Case presentation: A 67-year-old male was injured in a car accident and came to our institute on foot 4 days after injury with complaints of neck pain and numbness in the right hand...
2018: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/29558775/-chronic-compartment-syndrome
#11
Andreas Gösele-Koppenburg
Chronic compartment syndromes are a rare, but frequently overlooked cause of pain in the locomotor system. Their aetiology is still not fully elucidated. There is an imbalance of muscle volume and space in the compartment. Thickening of the fascia and decreased elasticity lead to a pathological increase in pressure in the compartment under load. Chronic compartment syndromes are found in the foot, lower leg, thigh, forearm, hand, and even the spine. Bilateral compartment syndromes are very common (80 %). The main symptoms are pain in the compartment under physical activity...
March 2018: Sportverletzung Sportschaden: Organ der Gesellschaft Für Orthopädisch-Traumatologische Sportmedizin
https://www.readbyqxmd.com/read/29537877/primary-versus-secondary-osteochondral-autograft-transplantation-for-the-treatment-of-large-osteochondral-lesions-of-the-talus
#12
Kwang Hwan Park, Yeokgu Hwang, Seung Hwan Han, Yoo Jung Park, Dong Woo Shim, Woo Jin Choi, Jin Woo Lee
BACKGROUND: Recent studies have reported promising clinical results after osteochondral autograft transplantation (OAT) for the treatment of large osteochondral lesions of the talus (OLT). However, no study has yet compared clinical outcomes between primary and secondary OAT for large OLT. PURPOSE: The purpose is to compare clinical outcomes among patients with large OLT who receive primary OAT versus those who receive secondary OAT after failure of marrow stimulation and to identify factors associated with clinical failure...
March 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29532115/-inflammatory-changes-of-the-foot
#13
REVIEW
S D Sprengel, B Klaan, L Kintzele
BACKGROUND: Inflammatory changes of the foot are comparatively rare and can be a challenge for radiologists with respect to the differential diagnosis, especially in cases with pre-existing degenerative changes of the foot skeleton. Comprehensive anamnesis and the use of contrast-enhanced MRI diagnostics are therefore often essential for diagnosis. OBJECTIVES: This review provides a cursory overview of the morphological characteristics of inflammatory changes of the foot and their differential diagnoses with a focus on osteomyelitis, joint infections, rheumatological diseases and tenosynovitis...
March 12, 2018: Der Radiologe
https://www.readbyqxmd.com/read/29524643/sequential-variation-in-brain-functional-magnetic-resonance-imaging-after-peripheral-nerve-injury-a-rat-study
#14
Okihiro Onishi, Kazuya Ikoma, Ryo Oda, Tetsuro Yamazaki, Hiroyoshi Fujiwara, Shunji Yamada, Masaki Tanaka, Toshikazu Kubo
Although treatment protocols are available, patients experience both acute neuropathic pain and chronic neuropathic pain, hyperalgesia, and allodynia after peripheral nerve injury. The purpose of this study was to identify the brain regions activated after peripheral nerve injury using functional magnetic resonance imaging (fMRI) sequentially and assess the relevance of the imaging results using histological findings. To model peripheral nerve injury in male Sprague-Dawley rats, the right sciatic nerve was crushed using an aneurysm clip, under general anesthesia...
March 7, 2018: Neuroscience Letters
https://www.readbyqxmd.com/read/29523171/clinical-feasibility-of-umbilical-cord-tissue-derived-mesenchymal-stem-cells-in-the-treatment-of-multiple-sclerosis
#15
Neil H Riordan, Isabela Morales, Giselle Fernández, Nicole Allen, Neal E Fearnot, Michael E Leckrone, Dedra Jones Markovich, Darla Mansfield, Dorita Avila, Amit N Patel, Santosh Kesari, Jorge Paz Rodriguez
BACKGROUND: Multiple sclerosis (MS) is a progressively debilitating neurological condition in which the immune system abnormally erodes the myelin sheath insulating the nerves. Mesenchymal stem cells (MSC) have been used in the last decade to safely treat certain immune and inflammatory conditions. METHODS: A safety and feasibility study was completed on the use of umbilical cord MSC (UCMSC) as a treatment for MS. In this 1-year study, consenting subjects received seven intravenous infusions of 20 × 106 UCMSC over 7 days...
March 9, 2018: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29503136/foot-and-ankle-osteoid-osteomas
#16
Volkan Gurkan, Ozgur Erdogan
Foot and ankle osteoid osteomas (OOs) are often cancellous or subperiosteal and rarely present with a periosteal reaction. Additionally, the large number of disorders included in the differential diagnosis and the nonspecific findings on radiographs complicate the diagnosis. We performed a manual search of the senior surgeon's hospitals' operating room records for the terms "benign bone tumor," "foot," "ankle," and "osteoid osteoma" from January 2003 until December 2014...
March 2, 2018: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29492589/-foot-and-ankle-tumours-part-ii-malignant-bone-tumours-and-soft-tissue-tumours-of-the-foot-with-differential-diagnostic-hints
#17
REVIEW
T Grieser
CLINICAL ISSUE: Both benign and malignant tumours are encountered in the foot and ankle. Due to their rarity, however, diagnosis is often uncertain. Usual criteria such as tumour size, invasiveness or pain fail to differentiate benign from malignant neoplasias. STANDARD RADIOLOGICAL METHODS: Plain radiography and-due to the complex foot anatomy-CT are important in the diagnostic evaluation of primary bone tumours. In the case of soft tissue tumours, ultrasonography is used to identify ganglion cysts...
February 28, 2018: Der Radiologe
https://www.readbyqxmd.com/read/29490900/limb-hypertrophy-a-skin-vascular-malformation-and-bilateral-hydroureteronephrosis-in-a-neonate
#18
Grazia Morandi, Claudia Piona, Daniela Degani, May Chebl El Hachem, Nicoletta Resta, Carmela Richelli, Silvana Lauriola
The second daughter of two healthy non-consanguineous parents, born at 37 weeks, presented with a large 3×2 cm abdominal angiomatous formation on her left flank, associated with left leg hypertrophy, macrodactyly of both feet with syndactyly of the second and third finger of the right food and left polydactyly (figure 1). Her neurological development and cardiopulmonary function were normal; she had no gastrointestinal or skeletal problems. Her weight was 3195 g (75th-90th centile). edpract;archdischild-2017-314021v1/F1F1F1Figure 1Photos of the lower limbs and the left side of the abdomen reveal bilateral hypertrophy of the limbs, more evident in the left leg, macrodactyly of both feet with syndactyly of the second and third finger of the right foot and left polydactyly and a large abdominal angiomatous formation...
February 28, 2018: Archives of Disease in Childhood. Education and Practice Edition
https://www.readbyqxmd.com/read/29489411/who-refers-musculoskeletal-extremity-imaging-examinations-to-radiologists
#19
Paul Harkey, Richard Duszak, Soterios Gyftopoulos, Andrew B Rosenkrantz
OBJECTIVE: The purpose of this study is to identify the specialty characteristics of providers referring musculoskeletal (MSK) extremity imaging examinations to radiologists, so as to better understand the drivers of MSK imaging utilization and potentially improve the appropriateness of such imaging examinations. MATERIALS AND METHODS: Data on provider referral for MSK extremity imaging services were extracted from the 2014 Medicare Referring Provider Utilization for Procedures public use file, which aggregates data on diagnostic procedures according to referring provider identities and service codes...
April 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29488843/change-of-cortical-foot-activation-following-70-days-of-head-down-bed-rest
#20
Peng Yuan, Vincent Koppelmans, Patricia Reuter-Lorenz, Yiri De Dios, Nichole Gadd, Roy Riascos, Igor Kofman, Jacob Bloomberg, Ajitkumar Mulavara, Rachael D Seidler
Head-down tilt bed rest (HDBR) has been used as a spaceflight analog to study some of the effects of microgravity on human physiology, cognition, and sensorimotor functions. Previous studies have reported declines in balance control and functional mobility after spaceflight and HDBR. Here we investigated how the brain activation for foot movement changed with HDBR. Eighteen healthy men participated in the current HDBR study. They were in a 6{degree sign} head-down tilt position continuously for 70 days. Functional MRI scans were acquired to estimate brain activation for foot movement pre-, during- and post-HDBR...
February 28, 2018: Journal of Neurophysiology
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