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Peroneal pathology

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https://www.readbyqxmd.com/read/28303298/ultrasound-guided-therapeutic-injections-for-neural-pathology-about-the-foot-and-ankle-a-4%C3%A2-year-retrospective-review
#1
William R Walter, Christopher J Burke, Ronald S Adler
OBJECTIVE: To describe a 4-year clinical experience with ultrasound-guided therapeutic perineural injections of peripheral nerves about the foot and ankle. MATERIALS AND METHODS: Retrospective analysis of foot and ankle perineural injections performed between January 2012 and August 2016. Demographics, clinical indications, presence of structural pathology, immediate and interval pain relief, as well as complications were recorded. RESULTS: Fifty-nine therapeutic injections were performed among 46 patients, accounting for multiple injections in a single visit or multiple visits [mean age = 43 years (range 18-75), 31 female (67%) and 15 male (33%)]...
March 16, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28258311/recognition-of-peroneal-intraneural-ganglia-in-an-historical-cohort-with-negative-mris
#2
Thomas J Wilson, Marie-Nöelle Hébert-Blouin, Naveen S Murthy, Kimberly K Amrami, Robert J Spinner
BACKGROUND: The objective of this study was to review an historical cohort of patients with peroneal neuropathy and magnetic resonance imaging (MRI) read as negative for mass or cyst to determine if occult peroneal intraneural ganglion cysts can be identified on subsequent imaging review and to use this as an estimation of how under-recognized this pathologic entity is. METHOD: The patient cohort utilized in this study was a previously published control cohort of 11 patients with peroneal neuropathy and MRI read as negative for mass or cyst...
March 3, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28245669/the-nearly-invisible-intraneural-cyst-a-new-and-emerging-part-of-the-spectrum
#3
Thomas J Wilson, Marie-Noëlle Hébert-Blouin, Naveen S Murthy, Joaquín J García, Kimberly K Amrami, Robert J Spinner
OBJECTIVE The authors have observed that a subset of patients referred for evaluation of peroneal neuropathy with "negative" findings on MRI of the knee have subtle evidence of a peroneal intraneural ganglion cyst on subsequent closer inspection. The objective of this study was to introduce the nearly invisible peroneal intraneural ganglion cyst and provide illustrative cases. The authors further wanted to identify clues to the presence of a nearly invisible cyst. METHODS Illustrative cases demonstrating nearly invisible peroneal intraneural ganglion cysts were retrospectively reviewed and are presented...
March 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28173645/-peripheral-nerve-injury-in-lama2-related-congenital-muscular-dystrophy-patients
#4
X P Liang, S Wang, W Zhang, Y Yuan, J Ding, X Z Chang, C J Wei, J Y Liu, H Xiong
Objective: To explore the injury pattern and features of peripheral nerve in congenital muscular dystrophy patients caused by LAMA2 gene mutation. Method: Seventeen patients genetically or molecular pathologically diagnosed as LAMA2-related congenital muscular dystrophy were recruited in Peking University First Hospital between 2002 and 2015. All the patients received nerve conduction velocity (NCV) and needle electromyography tests. Clinical and laboratory examination data of the patients was retrospectively analyzed...
February 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28089129/kinematic-magnetic-resonance-imaging-of-peroneal-tendon-subluxation-with-intraoperative-correlation
#5
Michael D VanPelt, Matthew R Landrum, Matthew Igbinigie, Vibhor Wadhwa, Avneesh Chhabra
Magnetic resonance imaging (MRI) is a noninvasive modality of choice for the detection of static peroneal tendon pathologic features. The depiction of peroneal tendon subluxation using real-time kinematic MRI has not been previously reported. We describe the MRI and intraoperative correlation of peroneal tendon and retinacular pathologic findings, and the novel use of kinematic MRI in the illustration of peroneal tendon subluxation.
March 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28033048/delayed-surgical-reconstruction-of-a-peroneal-tendon-rupture-in-an-accessory-os-peroneuma-rare-differential-diagnosis-in-chronic-ankle-pain
#6
Julia Evers, Dirk Wähnert, Niklas Grüneweller, Michael J Raschke, Sabine Ochman
A fracture of the os peroneum is a rare cause of ankle and foot pain and is often overlooked and not assumed. Only a few case reports have discussed the different etiologies, options for diagnosis, and therapeutic interventions for acute cases. We present a case of delayed diagnosis of an os peroneum fracture due to a distortion of the ankle that occurred during air sports. Initial diagnostic testing with magnetic resonance imaging demonstrated a rupture of the peroneus longus tendon with no pathologic abnormalities at the peroneus brevis tendon...
November 2016: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/28018906/chaperonopathies-spotlight-on-hereditary-motor-neuropathies
#7
REVIEW
Vincenzo Lupo, Carmen Aguado, Erwin Knecht, Carmen Espinós
Distal hereditary motor neuropathies (dHMN) are a group of rare hereditary neuromuscular disorders characterized by an atrophy that affects peroneal muscles in the absence of sensory symptoms. To date, 23 genes are thought to be responsible for dHMN, four of which encode chaperones: DNAJB2, which encodes a member of the HSP40/DNAJ co-chaperone family; and HSPB1, HSPB3, and HSPB8, encoding three members of the small heat shock protein family. While around 30 different mutations in HSPB1 have been identified, the remaining three genes are altered in many fewer cases...
2016: Frontiers in Molecular Biosciences
https://www.readbyqxmd.com/read/27939181/chronic-ankle-instability-arthroscopic-anatomical-repair
#8
M Arroyo-Hernández, M Mellado-Romero, P Páramo-Díaz, L García-Lamas, J Vilà-Rico
INTRODUCTION: Ankle sprains are one of the most common injuries. Despite appropriate conservative treatment, approximately 20-40% of patients continue to have chronic ankle instability and pain. In 75-80% of cases there is an isolated rupture of the anterior talofibular ligament. MATERIAL AND METHOD: A retrospective observational study was conducted on 21 patients surgically treated for chronic ankle instability by means of an arthroscopic anatomical repair, between May 2012 and January 2013...
December 8, 2016: Revista Española de Cirugía Ortopédica y Traumatología
https://www.readbyqxmd.com/read/27922951/anatomic-and-ultrasonographic-evaluation-of-the-knee-sensory-innervation-a-cadaveric-study-to-determine-anatomic-targets-in-the-treatment-of-chronic-knee-pain
#9
Jorge M Orduña Valls, Ricardo Vallejo, Pablo López Pais, Eliezer Soto, Daniel Torres Rodríguez, David L Cedeño, Carlos Tornero Tornero, Maximino Quintáns Rodríguez, Aurora Baluja González, Julián Álvarez Escudero
BACKGROUND AND OBJECTIVES: Osteoarthrosis is a main cause of knee pain in the elderly. Pain associated with this condition is often refractory to conservative treatment. Total knee replacement may be the best option for severe pathologies; however, the occurrence of a chronic pain state after knee replacement has been well documented in the literature. The previous descriptions of the genicular nerves have been considered somewhat inaccurate. This innervation is complex and exhibits significant interindividual variability...
January 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/27900340/retropatellar-accessory-portals-for-improved-access-to-the-patella-anatomic-description-and-evaluation-of-safety
#10
Jason L Koh, Anthony L Logli
BACKGROUND: Standard knee arthroscopy portals are frequently used to address retropatellar chondral pathology. Alternative portals may offer a safe and simple substitute, particularly when reaching the base of deep lesions is required. PURPOSE: To describe and assess the safety of accessory retropatellar portals. STUDY DESIGN: Descriptive laboratory study. METHODS: An anatomic study was performed on 10 fresh-frozen cadaveric knees...
November 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/27842673/mr-imaging-as-a-problem-solving-tool-in-posterior-ankle-pain-a-review
#11
REVIEW
Gloria N L Wong, Tien Jin Tan
Posterior ankle pain is a cause of chronic pain and disability, afflicting a wide range of individuals. While proper identification of the cause is essential for timely and adequate treatment, identifying the cause and excluding mimickers is often challenging for the physician due to the complex nature of the joint. In addition, pathology that can cause posterior ankle pain may occur on their own or in co-existence. Clinical conditions that can present as posterior ankle pain include: posterior ankle impingement, Achilles tendon pathology, medial flexor tendon pathology, peroneal pathology, retrocalcaneal bursitis, posterior subtalar tarsal coalition, sinus tarsi, and tarsal tunnel syndrome...
December 2016: European Journal of Radiology
https://www.readbyqxmd.com/read/27726755/us-of-the-knee-scanning-techniques-pitfalls-and-pathologic-conditions
#12
Timothy I Alves, Gandikota Girish, Monica Kalume Brigido, Jon A Jacobson
Pain and other disorders of the knee are a common presenting complaint in the ambulatory setting. Although the cornerstones of imaging evaluation of the knee are radiographs and magnetic resonance (MR) imaging, ultrasonography (US) is less expensive than MR imaging, easily available, and of comparable accuracy in the evaluation of certain pathologic conditions of the knee. The benefits of US include portability, low cost, high spatial resolution, dynamic imaging, and ability to guide percutaneous interventions when indicated...
October 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/27726748/ct-and-mr-imaging-of-the-postoperative-ankle-and-foot
#13
Gary M LiMarzi, Kurt F Scherer, Michael L Richardson, David R Warden, Christopher W Wasyliw, Jack A Porrino, Christopher R Pettis, Gideon Lewis, Christopher C Mason, Laura W Bancroft
A variety of surgical procedures exist for repair of both traumatic and degenerative osseous and soft-tissue pathologic conditions involving the foot and ankle. It is necessary for the radiologist to be familiar with these surgical procedures, so as to assess structural integrity, evaluate for complicating features, and avoid diagnostic pitfalls. Adequate interpretation of postoperative changes often requires access to surgical documentation to evaluate not only the surgery itself but the expected timeline for resolution of normal postoperative changes versus progressive disease...
October 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/27685482/foot-drop-looking-beyond-common-peroneal-nerve-palsy-a-neurophysiology-centre-experience
#14
S M Yap, B McNamara
Foot drop is a complex symptom with a considerable range in aetiology, severity and prognosis. We aim to characterise the aetiologies of foot drop and assess the diagnostic contribution of neurophysiologic testing (NCS/EMG). Retrospective review of consecutive referrals of foot drop to the Neurophysiology Department in Cork University Hospital was performed over a two year period (January 2012 to December 2013). Of a total of 59 referrals, common peroneal nerve (CPN) palsy comprised only slightly more than half of cases; 3(5%) have central origin; 3(5%) have motor neuron disease...
2016: Irish Medical Journal
https://www.readbyqxmd.com/read/27648065/an-unusual-cause-of-foot-drop-peroneal-extraneural-ganglion-cyst
#15
Murat Zumrut, Mehmet Demirayak, Ahmet Kucukapan
Peripheral neuropathies caused by ganglion cysts are quite rare, especially in the lower extremities. The case of a 64-year-old male with a 2-day history of foot drop and tenderness in the region of the left fibular neck is presented. Physical examination and electromyogram findings verified peroneal nerve palsy. Ultrasonography showed cystic mass localized proximal of the peroneal muscle structures. Magnetic resonance imaging revealed a cystic-appearing mass around the fibular neck that compressed the common peroneal nerve...
July 2016: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/27613606/traumatic-neuroma-of-the-superficial-peroneal-nerve-in-a-patient-a-case-report-and-review-of-the-literature
#16
Jian Kang, Pinglin Yang, Quanjin Zang, Xijing He
BACKGROUND: Traumatic neuromas are rare benign tumors, which are common in trauma or post-operation and accompanied with obvious symptoms of pain. This study will show the superficial peroneal nerve neuroma occurring after resection of hemangioma. CASE PRESENTATION: A 44-year-old male had an operation of the right leg cavernous hemangioma resection in 1995. Half a year after the operation, pain around the wound appeared and gradually aggravated. The patient had the lesion exploration resection in 2013, and the pathological result showed traumatic neuroma...
September 10, 2016: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27594645/complete-fifth-ray-amputation-with-peroneal-tendon-transfer-to%C3%A2-the%C3%A2-cuboid-a-review-of-consecutive-cases-involving-lateral-column%C3%A2-neuropathic-foot-ulceration-and-osteomyelitis
#17
Troy J Boffeli, Steven R Smith, Kyle W Abben
Nonhealing wounds along the fifth metatarsal associated with neuropathy and bone deformity frequently become complicated with osteomyelitis. Our surgical technique for complete fifth ray amputation with peroneal tendon transfer has been previously published. The present study evaluated the outcomes regarding success with initial healing and intermediate-term limb survival after this procedure, which is intended to resolve infection, remove bone deformity, heal and prevent recurrence of lateral column wounds, and maintain functional stability of the foot...
November 2016: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/27544838/peripheral-nerve-function-in-patients-with-excessive-fragmentary-myoclonus-during-sleep
#18
Cecilia Raccagni, Wolfgang N Löscher, Ambra Stefani, Julia Wanschitz, Lena Kraemer, Anna Heidbreder, Birgit Högl
OBJECTIVES: Excessive fragmentary myoclonus is a frequent incidental finding in patients undergoing polysomnography for other reasons. The aim of this study was to evaluate whether electrophysiological examination in patients with excessive fragmentary myoclonus during sleep according to American Academy of Sleep Medicine (AASM) criteria shows findings of peripheral nerve dysfunction. METHODS: Ninety-eight of 100 patients with excessive fragmentary myoclonus detected as an incidental finding during routine polysomnography underwent electrophysiological workup...
June 2016: Sleep Medicine
https://www.readbyqxmd.com/read/27531093/clinical-role-of-the-venous-ultrasound-to-identify-lower-extremity-pathology
#19
COMPARATIVE STUDY
Afsha Aurshina, Enrico Ascher, Anil Hingorani, Sergio X Salles-Cunha, Natalie Marks, Eleanor Iadgarova
BACKGROUND: Accreditation in peripheral venous testing can be obtained based on femoropopliteal (FP) duplex ultrasound evaluation, and many laboratories limit their examination to this segment only. This simplified protocol detects acute FP deep venous thrombosis (DVT) but misses calf vein DVT, superficial venous thrombosis, chronic DVT, venous reflux, and other nonvenous findings potentially responsible for the patients' presenting conditions. A protocol limited to the FP segment results in additional unnecessary testing and can create patient dissatisfaction...
January 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27503902/cold-pressor-test-using-strain-gauge-plethysmography
#20
Giacomo Feliciani, Cristiano Peron, Augusto La Rocca, Maria Francesca Scuppa, Andrea Malavolta, David Bianchini, Ivan Corazza, Romano Zannoli
This laboratory activity is designed to teach students how to measure forearm muscle blood flow (FBF) to describe the mechanisms of peripheral blood flow thermal regulation in healthy subjects. The cold pressor test (CPT) is the clinical procedure used in the experiment to induce arterial vasoconstriction. Strain-gauge plethysmography is applied on the patient's forearm to noninvasive monitor vasoconstriction effects on local blood perfusion and physiological parameters such as blood pressure (BP) and heart rate (HR)...
September 2016: Advances in Physiology Education
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