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Suprascapular neuropathy

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https://www.readbyqxmd.com/read/29734906/a-large-size-lipoma-at-spinoglenoid-notch-mimicked-traumatic-rotator-cuff-tear
#1
Joon Yub Kim, Jung Soo Choe, Jae Ho Cho
Herein, we report a large lipoma at the spinoglenoid notch that mimicked a rotator cuff tear, which occurred in a 61-year-old male farmer. Weakness and pain in the shoulder started abruptly after hard labor, and our first impression was a traumatic rotator cuff tear; however, there was no tear on MRI, and complete marginal excision of a large lipoma at the spinoglenoid notch relieved the symptoms completely at a postoperative three-month follow-up visit. We believe that certain activities such as forceful shoulder abduction may have caused the sudden onset of suprascapular neuropathy in the loosely compressed suprascapular nerve by the lipoma...
June 2018: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/29529303/-isolated-suprascapular-neuropathy-compression-traction-or-inflammation
#2
Malo Le Hanneur, Andres A Maldonado, Benjamin M Howe, Michelle L Mauermann, Robert J Spinner
BACKGROUND: Several hypotheses have been proposed for the pathophysiology of suprascapular nerve (SSN) palsy, including compression, traction, and nerve inflammation. OBJECTIVE: To provide insight into the pathophysiology of isolated nontraumatic SSN palsy by performing critical reinterpretations of electrodiagnostic (EDX) studies and magnetic resonance (MR) images of patients with such diagnosis. METHODS: We retrospectively reviewed all patients referred to our institution for the past 20 yr with a diagnosis of nontraumatic isolated suprascapular neuropathy who had an upper extremity EDX study and a shoulder or brachial plexus MR scan...
February 26, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29523911/a-new-anatomical-insight-into-the-aetiology-of-lateral-trunk-of-suprascapular-nerve-neuropathy-isolated-infraspinatus-atrophy
#3
Anna Fabis-Strobin, Miroslaw Topol, Jaroslaw Fabis, Kryspin Niedzielski, Michal Podgorski, Lukasz Strobin, Michal Polguj
INTRODUCTION: Although the pathomechanism of isolated infraspinatus atrophy (ISA) in throwing sports is known to be traction, it is unclear why only some players are affected. One likely explanation is that the infraspinatus pulling force exerted by its contracture generate the compressive resultant component force (Fn) compressing the lateral trunk of the suprascapular nerve (LTSN) against the edge of scapular spine. This paper makes two key assumptions (1) the course of LTSN in relation to the scapular spine, defined as the suprascapular-scapular spine angle (SSSA) is the key individual anatomical feature influencing the Fn magnitude, and thus potentially ISA development (2) SSSA is correlated with scapular notch type...
March 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29449084/paralabral-cysts-of-the-shoulder-treated-with-isolated-labral-repair-effect-on-pain-and-radiologic-findings
#4
Cecilie P Schrøder, Kirsten Lundgreen, Rune Kvakestad
BACKGROUND: Paralabral cysts emanating from posterosuperior labral tears may compress the suprascapular nerve and induce neuropathy. This study prospectively assessed patients with labral tears and symptomatic paralabral cysts treated with isolated labral repair. Pain relief, time to cyst resolution, reversibility of muscular edema, atrophy, fatty infiltration, and bone erosion were evaluated. METHODS: Forty-seven patients with symptomatic posterosuperior paralabral cysts were treated with isolated labral repair...
February 13, 2018: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29364045/isolated-infraspinatus-atrophy-secondary-to-suprascapular-nerve-neuropathy-results-in-altered-shoulder-muscles-activity
#5
Samuele Contemori, Andrea Biscarini
CONTEXT: Isolated infraspinatus atrophy (IIA) is a common condition among overhead-activity athletes, which affects the hitting shoulder and is caused by suprascapular nerve injury. The loss of infraspinatus function could lead to altered activity of the glenohumeral and scapulothoracic muscles and compromise the optimal shoulder function. OBJECTIVE: To assess the surface electromyographic (sEMG) activity patterns, relationships, and response latencies of relevant shoulder girdle muscles in professional volleyball players with IIA and in healthy control players...
January 24, 2018: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/29338908/relationship-between-neuropathy-proximal-to-the-suprascapular-nerve-and-rotator-cuff-tear-in-a-rodent-model
#6
Yasuhito Sasaki, Nobuyasu Ochiai, Eiko Hashimoto, Yu Sasaki, Takeshi Yamaguchi, Takehiro Kijima, Koji Akimoto, Seiji Ohtori, Kazuhisa Takahashi
BACKGROUND: Rotator cuff tears are believed to coexist with cervical spine lesions. In cases of preexisting neuropathy, such as cervical spine lesions, fatty degeneration has likely already occurred due to the neuropathy. In these cases, rotator cuff tear is thought to occur easily because of preexisting extensive fatty degeneration and degeneration of the tendons due to neuropathy. This study aimed to evaluate the effects of paralysis due to neuropathy proximal to the suprascapular nerve on the supraspinatus and infraspinatus tendons using a rat model of brachial plexus paralysis...
March 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/29221755/unilateral-brachial-plexopathy-a-rare-complication-of-mycoplasma-pneumoniae-infection
#7
Barbara Robnik, Darja Keše, Tereza Rojko, Alenka Horvat-Ledinek, Aleš Pražnikar, Bojana Beović
Few reports in the literature describe isolated peripheral neuropathies in relation to Mycoplasma pneumoniae infection without concurrent damage to the central nervous system. To our knowledge only a single case of mononeuritis multiplex with brachial plexus neuropathy coincident with M. pneumoniae has been documented until now. Here we present the first clinical case of lobar M. pneumoniae pneumonia in a 19-year-old female patient, where coincident neurological complications manifested as unilateral brachial plexus neuropathy, affecting axillar and suprascapular nerves...
April 2018: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/29221575/clinical-outcomes-of-suprascapular-nerve-decompression-a-systematic-review
#8
REVIEW
Amit M Momaya, Adam Kwapisz, W Stephen Choate, Michael J Kissenberth, Stefan J Tolan, Keith T Lonergan, Richard J Hawkins, John M Tokish
BACKGROUND: Suprascapular neuropathy is an uncommon clinical diagnosis. Although there have been a number of case series reporting on this pathologic process, to date there has been no systematic review of these studies. This study aimed to synthesize the literature on suprascapular neuropathy with regard to clinical outcomes. The secondary objective was to detail the diagnosis and treatment of suprascapular neuropathy and any associated complications. METHODS: A systematic review was performed to identify studies that reported the results or clinical outcomes of suprascapular nerve decompression...
January 2018: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28879607/arthroscopic-management-of-suprascapular-neuropathy-of-the-shoulder-improves-pain-and-functional-outcomes-with-minimal-complication-rates
#9
M Memon, J Kay, L Ginsberg, N Simunovic, K Bak, P Lapner, O R Ayeni
PURPOSE: The purpose of this study was to systematically assess the arthroscopic management of suprascapular neuropathy, including the aetiology, surgical decision-making, clinical outcomes, and complications associated with the procedure. METHODS: Three databases [PubMed, Ovid (Medline), and Embase] were searched. Systematic literature screening and data abstraction was performed in duplicate to present a review of studies reporting on arthroscopic management of suprascapular neuropathy...
January 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28795009/evaluation-and-management-of-shoulder-pain-in-skeletally-immature-athletes
#10
REVIEW
Dilip R Patel, Stephen Breisach
Shoulder pain in young athletes generally is a result of poor sports technique and overuse. A number intrinsic causes of shoulder pain have been identified. Pain may also be referred to shoulder area from cervical spine, neck and chest pathology. Overuse stress injury of the proximal humeral physis is important to recognize early in order to prevent later complications. Shoulder impingement syndrome is a general term used to describe multiple underlying lesions and relatively uncommon in young athletes. In adolescent athletes, glenohumeral instability is an important underlying pathomechanical basis for shoulder pain...
July 2017: Translational Pediatrics
https://www.readbyqxmd.com/read/28691025/protective-and-predisposing-morphological-factors-in-suprascapular-nerve-entrapment-syndrome-a-fundamental-review-based-on-recent-observations
#11
REVIEW
Piotr Łabętowicz, Marek Synder, Mariusz Wojciechowski, Krzysztof Orczyk, Hubert Jezierski, Mirosław Topol, Michał Polguj
Suprascapular nerve entrapment syndrome (SNES) is a neuropathy caused by compression of the nerve along its course. The most common compression sites include the suprascapular notch and the spinoglenoid notch. The aim of this article was to review the anatomical factors influencing the occurrence of SNES in the light of the newest reports. Potential predisposing morphological factors include a V-shaped, narrow, or "deep" suprascapular notch; a band-shaped, bifurcated, or completely ossified superior transverse scapular ligament (STSL); particular arrangements of the suprascapular nerve and vessels at the suprascapular notch...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28634514/cystic-lesions-of-peripheral-nerves-are-we-missing-the-diagnosis-of-the-intraneural-ganglion-cyst
#12
Jyoti Panwar, Anil Mathew, Binu P Thomas
AIM: To highlight the salient magnetic resonance imaging (MRI) features of the intraneural ganglion cyst (INGC) of various peripheral nerves for their precise diagnosis and to differentiate them from other intra and extra-neural cystic lesions. METHODS: A retrospective analysis of the magnetic resonance (MR) images of a cohort of 245 patients presenting with nerve palsy involving different peripheral nerves was done. MR images were analyzed for the presence of a nerve lesion, and if found, it was further characterized as solid or cystic...
May 28, 2017: World Journal of Radiology
https://www.readbyqxmd.com/read/28605232/sensorimotor-control-of-the-shoulder-in-professional-volleyball-players-with-isolated-infraspinatus-muscle-atrophy
#13
Samuele Contemori, Andrea Biscarini, Fabio Massimo Botti, Daniele Busti, Roberto Panichi, Vito Enrico Pettorossi
CONTEXT: Isolated infraspinatus muscle atrophy (IIMA) only affects the hitting shoulder of overhead-activity athletes, and is caused by suprascapular nerve neuropathy. No study has assessed the static and dynamic stability of the shoulder in overhead professional athletes with IIMA to reveal possible shoulder sensorimotor alterations. OBJECTIVE: To assess the shoulder static stability, dynamic stability, and strength in professional volleyball players with IIMA and in healthy control players...
June 12, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28555532/insights-into-the-epidemiology-aetiology-and-associations-of-infraspinatus-atrophy-in-overhead-athletes-a-systematic-review
#14
REVIEW
Dimitrios Challoumas, Georgios Dimitrakakis
Infraspinatus atrophy (IA) is much more prevalent in overhead sports compared with the general population. Its exact aetiology in this group of athletes remains unclear and definitive associations with pathology and performance have not yet been reached. The aim of this systematic review is to present the evidence on IA in overhead athletes focussing on the proposed mechanisms of suprascapular neuropathy and its associations with shoulder pathology and performance. A thorough literature search via Medline, EMBASE and Scopus was performed...
September 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28400882/suprascapular-nerve-pathology-a-review-of-the-literature
#15
REVIEW
Lazaros Kostretzis, Ioannis Theodoroudis, Achilleas Boutsiadis, Nikolaos Papadakis, Pericles Papadopoulos
BACKGROUND: Suprascapular nerve pathology is a rare diagnosis that is increasingly gaining popularity among the conditions that cause shoulder pain and dysfunction. The suprascapular nerve passes through several osseoligamentous structures and can be compressed in several locations. METHODS: A thorough literature search was performed using online available databases in order to carefully define the pathophysiology and to guide diagnosis and treatment. RESULTS: Suprascapular neuropathy diagnosis is based on a careful history and a thorough clinical and radiological examination...
2017: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28370538/shoulder-position-sense-in-volleyball-players-with-infraspinatus-atrophy-secondary-to-suprascapular-nerve-neuropathy
#16
S Contemori, A Biscarini
Isolated infraspinatus atrophy (IIA) is a common condition among overhead-activity athletes, which affects the hitting shoulder and is caused by suprascapular nerve injury. As the suprascapular nerve is a mixed nerve, such damage could lead to reduced afferent proprioceptive information and impaired shoulder sensorimotor control. This study aimed to evaluate the proprioception of the shoulder with IIA, through the assessment of shoulder position sense. The shoulder position sense was assessed in 24 professional volleyball players (12 players with IIA and 12 healthy players) with a blind dynamic shoulder repositioning test (all participants were blindfolded during the test)...
January 2018: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28249340/arthroskopische-therapie-bei-spinoglenoidalem-ganglion
#17
REVIEW
Kilian Rueckl, Christian Konrads, Thomas Barthel, Maximilian Rudert, Friedrich Boettner, Piet Plumhoff
Aims and Indications A paralabral ganglion cyst of the shoulder can cause neuropathy of the inferior branches of the suprascapular nerve. This can lead to atrophy of the infraspinatus muscle. Arthroscopic decompression of the cyst in combination with repair of the associated labrum tear appears to be an effective treatment option. Methods Initially the connection of the cyst to the joint in the area of the posterior rim of the glenoid is identified arthroscopically. Following the decompression of the cyst the labrum tear is repaired to avoid recurrence...
February 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/27876086/suprascapular-neuropathy-in-the-setting-of-rotator-cuff-tears-study-protocol-for-a-double-blinded-randomized-controlled-trial
#18
RANDOMIZED CONTROLLED TRIAL
Nikolaos Platon Sachinis, Achilleas Boutsiadis, Sotirios Papagiannopoulos, Konstantinos Ditsios, Anastasios Christodoulou, Pericles Papadopoulos
BACKGROUND: It has been indicated that rotator cuff tears, especially large or massive ones, can cause suprascapular neuropathy. When such a diagnosis has been established, it is still unknown whether an arthroscopic release of the superior transverse scapular ligament during cuff repair can change the course of this neuropathy. METHODS/DESIGN: This is a single-center, double-blinded randomized controlled trial for which 42 patients with large or massive repairable rotator cuff tears and suprascapular neuropathy will be recruited and followed up at 6 and 12 months...
November 22, 2016: Trials
https://www.readbyqxmd.com/read/27830880/a-quantitative-study-of-the-arrangement-of-the-suprascapular-nerve-and-vessels-in-the-suprascapular-notch-region-new-findings-based-on-parametric-analysis
#19
H Jezierski, G Wysiadecki, M Sibiński, A Borowski, M Podgórski, M Topol, M Polguj
BACKGROUND: When closed by the superior transverse scapular ligament (STSL), the suprascapular notch (SSN) creates an osseo-fibrous tunnel which acts as a pathway for the suprascapular nerve (SN). Anatomical variations are common in this region, and these can increase the risk of neuropathy by restricting the space for nerve passage. The aim of this study is to identify any correlation between the area reduction coefficient parameters and the SN and vessel arrangements in the SSN region...
2016: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/27823370/peripheral-neuropathy-of-a-forelimb-in-horses-27-cases-2000-2013
#20
Anne-Laure Emond, Lélia Bertoni, Maeva Seignour, Virginie Coudry, Jean-Marie Denoix
OBJECTIVE To describe the clinical features, diagnostic procedures, management, and outcome of horses with peripheral neuropathy of a forelimb. DESIGN Retrospective case series. ANIMALS 27 horses. PROCEDURES Records from 2000 to 2013 were reviewed to identify horses with peripheral neuropathy of a forelimb. Horses were grouped as having predominant lesions of a suprascapular nerve, axillary nerve, or radial nerve (alone or in association with other brachial plexus nerves) on the basis of physical examination and diagnostic imaging findings...
November 15, 2016: Journal of the American Veterinary Medical Association
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