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Peroneal pathology

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https://www.readbyqxmd.com/read/28647521/heterotopic-ossification-of-the-peroneus-brevis-tendon-in-a-pediatric-patient
#1
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...
June 21, 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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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)...
May 11, 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
#9
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
https://www.readbyqxmd.com/read/28463677/surgical-treatment-of-an-aneurysmal-bone-cyst-with-avascular-bone-graft
#10
Alexandru Ulici, Catalin Nahoi, Madalina Carp, Ioan Fodor, Cristina Dinu
Background: Aneurysmal bone cyst is a solitary bone tumor, expansile and lytic most often seen in the second decade of life, more frequently in men than in women (2: 1). They can occur in any bone, most common in the metaphysis of the long bones of the lower limbs. Although it is a benign tumor formation, aneurysmal cysts may have an aggressive local evolution and can cause a significant decrease in bone strength. The pacient may present local pain, the appearance of local deformation due to a tumor mass or occurrence of pathological fractures...
March 2017: Chirurgia
https://www.readbyqxmd.com/read/28434966/diagnostic-biopsy-of-a-motor-branch-of-the-superficial-peroneal-nerve-to-the-peroneus-longus-a-convenient-alternative-for-motor-nerve-biopsy
#11
Randy S D'Amico, Christopher J Winfree
INTRODUCTION: Motor nerve biopsy is performed to supplement clinical, serological, and imaging data in the work-up of neuropathies of unknown origin, especially when motor neuron disease is suspected. METHODS: We describe a surgical technique for biopsy of a motor branch of the superficial peroneal nerve innervating the peroneus longus muscle. RESULTS: Three patients presented with weakness concerning for motor neuropathy and underwent biopsy of a motor branch of the superficial peroneal nerve innervating the peroneus longus muscle...
April 18, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28420319/bcor-ccnb3-undifferentiated-sarcoma-does-immunohistochemistry-help-in-the-identification
#12
Kathrin Ludwig, Rita Alaggio, Angelica Zin, Marica Peron, Vincenza Guzzardo, Stefania Benini, Alberto Righi, Marco Gambarotti
Recent methodology has enabled the identification of some new genetic subgroups within the melting pot of lesions presently classified by the 2013 WHO classification as "undifferentiated/unclassified sarcomas". One of these subgroups is characterized by a paracentric inversion of the X chromosome with consequent formation of a BCOR-CCNB3 fusion. Clinical and pathological features of these tumors overlap with the Ewing sarcoma family as well as other soft tissue sarcomas, thus making them difficult to diagnose...
January 1, 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28391722/eversion-strength-and-surface-electromyography-measures-with-and-without-chronic-ankle-instability-measured-in-2-positions
#13
Lindsy Donnelly, Luke Donovan, Joseph M Hart, Jay Hertel
BACKGROUND: Individuals with chronic ankle instability (CAI) have demonstrated strength deficits compared to healthy controls; however, the influence of ankle position on force measures and surface electromyography (sEMG) activation of the peroneus longus and brevis has not been investigated. The purpose of this study was to compare sEMG amplitudes of the peroneus longus and brevis and eversion force measures in 2 testing positions, neutral and plantarflexion, in groups with and without CAI...
April 1, 2017: Foot & Ankle International
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
#14
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
#15
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...
May 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28245669/the-nearly-invisible-intraneural-cyst-a-new-and-emerging-part-of-the-spectrum
#16
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
#17
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
#18
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
#19
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
#20
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
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