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Peroneal pathology

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https://www.readbyqxmd.com/read/29094786/intraneural-perineuriomas-diagnostic-value-of-magnetic-resonance-neurography
#1
L León Cejas, D Binaghi, M Socolovsky, A Dubrovsky, L Pirra, C Marchesoni, A Pardal, S Monges, G Peretti, A Taratuto, F Lubinieki, R Reisin
Intraneural perineurioma is an under-recognized hypertrophic peripheral nerve tumor. It affects young patients involving frequently the sciatic nerve and its branches and presents with a progressive, painless and predominantly motor deficit. Magnetic resonance neurography is a useful tool to localize the lesion, evaluate its extension, and discriminate between different etiologies. We reviewed the clinical records of 11 patients with pathologically confirm intraneural perineurioma. Eight patients were males with mean age 19 years...
November 2, 2017: Journal of the Peripheral Nervous System: JPNS
https://www.readbyqxmd.com/read/29078821/tendonitis-and-tendinopathy-what-are-they-and-how-do-they-evolve
#2
REVIEW
Andrew E Federer, John R Steele, Travis J Dekker, Jordan L Liles, Samuel B Adams
The development of tendinitis and tendinopathy is often multifactorial and the result of both intrinsic and extrinsic factors. Intrinsic factors include anatomic factors, age-related factors, and systemic factors, whereas extrinsic factors include mechanical overload and improper form and equipment. Although tendinitis and tendinopathy are often incorrectly used interchangeably, they are in 2 distinct pathologies. Due to their chronicity and high prevalence in tendons about the ankle, including the Achilles tendon, the posterior tibialis tendon, and the peroneal tendons, tendinitis and tendinopathies cause significant morbidity and are important pathologies for physicians to recognize...
December 2017: Foot and Ankle Clinics
https://www.readbyqxmd.com/read/29018508/gait-improvements-after-peroneal-or-tibial-nerve-transfer-in-patients-with-foot-drop-a-retrospective-study
#3
Rahul K Nath, Chandra Somasundaram
Background: Injury to the common peroneal nerve disrupts the motor control pathway to ankle dorsiflexors and evertors, as well as toe extensors, resulting in pathological gait and foot drop. Direct external compression on the fibular head is the most frequent cause of peroneal nerve impairment and has poor prognosis. Methods and Patients: Here, we report the surgical outcome of 21 patients with foot drop (9 males and 12 females) who underwent nerve transfer procedure of either the superficial peroneal nerve or the tibial nerve fascicles to the motor branch of the tibialis anterior and to the deep peroneal nerve...
2017: Eplasty
https://www.readbyqxmd.com/read/28958781/a-look-inside-the-nerve-morphology-of-nerve-fascicles-in-healthy-controls-and-patients-with-polyneuropathy
#4
Alexander Grimm, Natalie Winter, Tim W Rattay, Florian Härtig, Nele M Dammeier, Eva Auffenberg, Marilin Koch, Hubertus Axer
OBJECTIVE: Polyneuropathies are increasingly analyzed by ultrasound. Summarizing, diffuse enlargement is typical in Charcot-Marie Tooth type 1 (CMT1a), regional enlargement occurs in inflammatory neuropathies. However, a distinction of subtypes is still challenging. Therefore, this study focused on fascicle size and pattern in controls and distinct neuropathies. METHODS: Cross-sectional area (CSA) of the median, ulnar and peroneal nerve (MN, UN, PN) was measured at predefined landmarks in 50 healthy controls, 15 CMT1a and 13 MMN patients...
September 19, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28819784/-injuries-of-the-peroneal-tendons-often-overlooked
#5
REVIEW
K Klos, M Knobe, T Randt, P Simons, T Mückley
CLINICAL ISSUE: Injuries of the peroneal tendons are rare and often overlooked. Typical pathologies are tendinitis, tears and dislocation. Accompanying injuries are fractures. They are often associated with instability in the ankle and rearfoot deformities; therefore, these pathologies should be excluded or taken into consideration in the treatment. The clinical examination is crucial for the diagnosis. DIAGNOSTIC WORK-UP: Ultrasound and magnetic resonance imaging (MRI) examinations are very helpful; however, the true extent of the tendon pathology is often first seen during surgery...
August 17, 2017: Der Unfallchirurg
https://www.readbyqxmd.com/read/28764967/ultrasound-imaging-of-muscle-contraction-of-the-tibialis-anterior-in-patients-with-facioscapulohumeral-dystrophy
#6
Kaj Gijsbertse, Rianne Goselink, Saskia Lassche, Maartje Nillesen, André Sprengers, Nico Verdonschot, Nens van Alfen, Chris de Korte
A need exists for biomarkers to diagnose, quantify and longitudinally follow facioscapulohumeral muscular dystrophy (FSHD) and many other neuromuscular disorders. Furthermore, the pathophysiological mechanisms leading to muscle weakness in most neuromuscular disorders are not completely understood. Dynamic ultrasound imaging (B-mode image sequences) in combination with speckle tracking is an easy, applicable and patient-friendly imaging tool to visualize and quantify muscle deformation. This dynamic information provides insight in the pathophysiological mechanisms and may help to distinguish the various stages of diseased muscle in FSHD...
November 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28754097/lymphangioleiomyomatosis-multifocal-micronodular-pneumocyte-hyperplasia-and-sarcoidosis-more-pathological-findings-in-the-same-chest-ct-or-a-single-pathological-pathway
#7
Fabiano Di Marco, Giuseppina Palumbo, Silvia Terraneo, Gianluca Imeri, Elena Lesma, Nicola Sverzellati, Angela Peron, Lorenzo Gualandri, Maria Paola Canevini, Stefano Centanni
BACKGROUND: Autoimmune hepatitis/primary biliary cirrhosis overlap syndrome, lymphangioleiomyomatosis/tuberous sclerosis complex (LAM-TSC), and sarcoidosis are three rare diseases. Here we present, to the best of our knowledge, the first description of a patient with the coexistence of these three diseases. CASE PRESENTATION: A 47-year-old woman affected by LAM-TSC and primary biliary cirrosis/autoimmune hepatitis overlap syndrome. During her follow up a high resolution chest CT scan (HRTC) confirmed the presence of both multiple cysts and micronodular opacities consistent with multifocal micronodular pneumocytes hyperlasia (MMPH), and revealed multiple hilar-mediastinal symmetrical lymphadenopathies suggestive of sarcoidosis...
July 28, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28736620/peroneal-tendon-disorders
#8
REVIEW
Kinner Davda, Karan Malhotra, Paul O'Donnell, Dishan Singh, Nicholas Cullen
Pathological abnormality of the peroneal tendons is an under-appreciated source of lateral hindfoot pain and dysfunction that can be difficult to distinguish from lateral ankle ligament injuries.Enclosed within the lateral compartment of the leg, the peroneal tendons are the primary evertors of the foot and function as lateral ankle stabilisers.Pathology of the tendons falls into three broad categories: tendinitis and tenosynovitis, tendon subluxation and dislocation, and tendon splits and tears. These can be associated with ankle instability, hindfoot deformity and anomalous anatomy such as a low lying peroneus brevis or peroneus quartus...
June 2017: EFORT open reviews
https://www.readbyqxmd.com/read/28736326/tone-inhibiting-insoles-enhance-the-reciprocal-inhibition-of-ankle-plantarflexors-of-subjects-with-hemiparesis-after-stroke-an-electromyographic-study
#9
Nobushige Takahashi, Hidetoshi Takahashi, Osamu Takahashi, Ryosuke Ushijima, Rie Umebayashi, Junji Nishikawa, Yasutomo Okajima
BACKGROUND: Spasticity is a common sequela of upper motor neuron pathology, such as cerebrovascular diseases and cerebral palsy. Intervention for spasticity of the ankle plantarflexors in physical therapy may include tone-inhibiting casting and/or orthoses for the ankle and foot. However, the physiological mechanism of tone reduction by such orthoses remains unclarified. OBJECTIVE: To investigate the electrophysiologic effects of tone-inhibiting insoles in stroke subjects with hemiparesis by measuring changes in reciprocal Ia inhibition (RI) in the ankle plantarflexor...
July 20, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28719619/diagnostic-utility-of-corneal-confocal-microscopy-and-intra-epidermal-nerve-fibre-density-in-diabetic-neuropathy
#10
Uazman Alam, Maria Jeziorska, Ioannis N Petropoulos, Omar Asghar, Hassan Fadavi, Georgios Ponirakis, Andrew Marshall, Mitra Tavakoli, Andrew J M Boulton, Nathan Efron, Rayaz A Malik
OBJECTIVES: Corneal confocal microscopy (CCM) is a rapid, non-invasive, reproducible technique that quantifies small nerve fibres. We have compared the diagnostic capability of CCM against a range of established measures of nerve damage in patients with diabetic neuropathy. METHODS: In this cross sectional study, thirty subjects with Type 1 diabetes without neuropathy (T1DM), thirty one T1DM subjects with neuropathy (DSPN) and twenty seven non-diabetic healthy control subjects underwent detailed assessment of neuropathic symptoms and neurologic deficits, quantitative sensory testing (QST), electrophysiology, skin biopsy and corneal confocal microscopy (CCM)...
2017: PloS One
https://www.readbyqxmd.com/read/28702813/dynamic-factors-involved-in-common-peroneal-nerve-entrapment-neuropathy
#11
Takao Kitamura, Kyongsong Kim, Daijiro Morimoto, Rinko Kokubo, Naotaka Iwamoto, Toyohiko Isu, Akio Morita
BACKGROUND: Common peroneal nerve (CPN) entrapment neuropathy (CPNEN) is the most common peripheral neuropathy of the lower extremities. The pathological mechanisms underlying CPNEN remain unclear. We sought to identify dynamic factors involved in CPNEN by directly measuring the CPN pressure during stepwise CPNEN surgery. METHODS: We enrolled seven patients whose CPNEN improved significantly after CPN neurolysis. All suffered intermittent claudication, and the repetitive plantar flexion test, used as a CPNEN provocation test, was positive...
July 12, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28647521/heterotopic-ossification-of-the-peroneus-brevis-tendon-in-a-pediatric-patient
#12
Karan Dua, James M Barsi
Heterotopic ossification (HO) is abnormal formation of mature lamellar bone in soft tissues. HO is most commonly diagnosed in the setting of localized trauma, which results in improper differentiation of progenitor cells, leading to aberrant tissue formation. In the pediatric population, nongenetic causes of HO have rarely been reported, especially HO involving the tendons of the ankle. We present a case of HO of the peroneus brevis tendon without systemic disease in a pediatric patient. The patient was a 7-year-old female with a normal birth and developmental history who first presented 6 weeks after a right ankle sprain with pain localized to the lateral calcaneus...
November 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28624011/peroneal-tendon-pathology-pre-and-post-operative-high-resolution-us-and-mr-imaging
#13
REVIEW
Yogesh Kumar, Ali Alian, Shivani Ahlawat, Dane K Wukich, Avneesh Chhabra
Peroneal tendon pathology is an important cause of lateral ankle pain and instability. Typical peroneal tendon disorders include tendinitis, tenosynovitis, partial and full thickness tendon tears, peroneal retinacular injuries, and tendon subluxations and dislocations. Surgery is usually indicated when conservative treatment fails. Familiarity with the peroneal tendon surgeries and expected postoperative imaging findings is essential for accurate assessment and to avoid diagnostic pitfalls. Cross-sectional imaging, especially ultrasound and MRI provide accurate pre-operative and post-operative evaluation of the peroneal tendon pathology...
July 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28607872/vascularized-fibula-based-physis-transfer-a-follow-up-study-of-longitudinal-bone-growth-and-complications
#14
Ronnie L Shammas, Yash J Avashia, Alfredo E Farjat, Anthony A Catanzano, L Scott Levin, William C Eward, Brian E Brigman, Detlev Erdmann
BACKGROUND: The vascularized free fibula epiphyseal transfer provides an option for the preservation of limb lengthening after resection of the proximal humerus in pediatric sarcoma patients. The purpose of this study was to provide a long-term follow-up of longitudinal growth patterns and outcomes after free fibula epiphyseal transfer in upper extremity reconstruction. METHODS: A retrospective review of 4 patients who underwent free fibula epiphyseal transfer after oncologic resection of the proximal humerus for osteosarcoma was performed...
May 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28594508/lateral-ankle-instability-and-peroneal-tendon-pathology
#15
Michael Isiah Sandlin, Cyrus E Taghavi, Timothy P Charlton, Richard D Ferkel
Surgeons should understand the anatomic, vascular, biomechanical, and predisposing factors related to lateral ankle instability and peroneal tendon injuries, including peroneal tendinitis and tenosynovitis, peroneal tendon tears and ruptures, as well as peroneal tendon subluxation and dislocation. Surgeons should understand the treatment options and recommendations for patients who have lateral ankle instability and peroneal tendon injuries from the perspective of a sports medicine foot and ankle specialist...
February 15, 2017: Instructional Course Lectures
https://www.readbyqxmd.com/read/28580257/posterior-surgical-approach-to-the-knee
#16
Scott C Faucett, James Gannon, Jorge Chahla, Marcio B Ferrari, Robert F LaPrade
Posterior knee approaches are reliable techniques to address the treatment of various pathologies of the posterior region of the knee, including Baker cyst excision, tibial plateau fracture fixation, posterior cruciate ligament avulsions and inlay reconstructions, femoral condyle cartilage procedures, posterior meniscal repair and loose body removal among others. Surgery in the posterior knee region can be challenging because of the presence of neurovascular structures including the tibial nerve, popliteal artery and vein, and common peroneal nerve; thus, it is less commonly performed...
April 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28552042/t2-mapping-of-peroneal-tendons-using-clinically-relevant-subregions-in-an-asymptomatic-population
#17
Katharine J Wilson, Rachel K Surowiec, Nicholas S Johnson, Carly A Lockard, Thomas O Clanton, Charles P Ho
BACKGROUND: Peroneal tendon evaluation is particularly demanding using current magnetic resonance imaging (MRI) techniques because of their curving path around the lateral malleolus. Quantifiable, objective data on the health of the peroneal tendons could be useful for improving diagnosis of tendon pathology and tracking post-treatment responses. The purpose of this study was to establish a method and normative T2-star (T2*) values for the peroneal tendons in a screened asymptomatic cohort using clinically reproducible subregions, providing a baseline for comparison with peroneal tendon pathology...
June 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28508294/preoperative-mri-is-helpful-but-not-sufficient-to-detect-associated-lesions-in-patients-with-chronic-ankle-instability
#18
Kevin Staats, Manuel Sabeti-Aschraf, Sebastian Apprich, Hannes Platzgummer, Stephan E Puchner, Johannes Holinka, Reinhard Windhager, Reinhard Schuh
PURPOSE: The aim of this study was to determine the reliability and validity of preoperative magnetic resonance imaging (MRI) scans for the detection of additional pathologies in patients with chronic ankle instability (CAI) compared to arthroscopic findings. METHODS: Preoperative MRI images of 30 patients were evaluated regarding articular and periarticular comorbidities and compared to intraoperative findings. The reliability of MRI was determined by calculating specificity, sensitivity, as well as positive and negative predictive values...
May 15, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28498283/synovial-sarcoma-of-peripheral-nerves-analysis-of-15-cases
#19
John S A Chrisinger, Usama I Salem, Lars-Gunnar Kindblom, Behrang Amini, Magnus Hansson, Jeanne M Meis
Synovial sarcoma of peripheral nerve (SSPN) is rare with only 26 cases reported in English. SSPN is often mistaken for a benign or malignant peripheral nerve sheath tumor (PNST) by clinicians and pathologists. Fifteen cases of SSPN were retrieved from the pathology files of 3 institutions. All tumors arose in a nerve based on imaging and/or operative findings and the diagnoses were histologically confirmed. Neuropathic symptoms predominated in 11 women and 4 men, 19- to 62-year-old (median, 39 years) with tumors involving the ulnar (5), median (3), peroneal (3) or sciatic (2) nerve, or the L4 or T1 nerve root (2)...
August 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28464896/symptoms-and-signs-associated-with-benign-and-malignant-proximal-fibular-tumors-a-clinicopathological-analysis-of-52-cases
#20
Tao Sun, Lingxiang Wang, Changzhi Guo, Guochuan Zhang, Wenhai Hu
BACKGROUND: Malignant tumors in the proximal fibula are rare but life-threatening; however, biopsy is not routine due to the high risk of peroneal nerve injury. Our aim was to determine preoperative clinical indicators of malignancy. METHODS: Between 2004 and 2016, 52 consecutive patients with proximal fibular tumors were retrospectively reviewed. Details of the clinicopathological characteristics including age, gender, location of tumors, the presenting symptoms, the duration of symptoms, and pathological diagnosis were collected...
May 2, 2017: World Journal of Surgical Oncology
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