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posterior interosseous neuropathy

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https://www.readbyqxmd.com/read/29619928/studies-of-upper-limb-pain-in-occupational-medicine-in-general-practice-and-among-computer-operators
#1
Jørgen Riis Jepsen
Diagnostic consensus criteria cannot be applied in a major proportion of patients with upper limb complaints, many of which are regarded as "non-specific". The three empirical studies in this thesis aimed to address this diagnostic challenge by incorporating representative neurological qualities in the physical examination.
Patterns of muscle weakness, sensory abnormalities and nerve trunk allodynia based on the nerves' topography and their motor and cutaneous innervation were defined to reflect peripheral nerve afflictions and their locations...
April 2018: Danish Medical Journal
https://www.readbyqxmd.com/read/29506771/electrophysiologic-features-of-radial-neuropathy-in-childhood-and-adolescence
#2
Ioannis Karakis, Sofia Georghiou, H Royden Jones, Basil T Darras, Peter B Kang
BACKGROUND: We analyzed the clinical and electrophysiologic patterns of nerve injury in pediatric patients with radial neuropathy. METHODS: This is a retrospective analysis of 19 children and adolescents with radial neuropathy. RESULTS: The mean subject age was 12 years (range one month to 19 years), 56% were female, and 53% had traumatic etiologies. Weakness in the finger and wrist extensors was the prevailing complaint (82%). Predominant localization was at the posterior interosseous nerve (37%), followed by the radial nerve below the spiral groove (32%), the radial nerve at the spiral groove (26%), and the radial nerve above the spiral groove (5%)...
January 31, 2018: Pediatric Neurology
https://www.readbyqxmd.com/read/29128312/parosteal-lipoma-as-a-rare-cause-of-peripheral-neuropathy-and-local-irritation-a-report-of-12-cases
#3
Kerem Başarir, Ercan Şahin, Mahmut Kalem, Mustafa Onur Karaca, Yusuf Yildiz, Yener Saglik
OBJECTIVE: The aim of this study was to evaluate the clinical features and functional results of patients with parosteal lipomas. METHODS: A total of 12 patients (8 females and 4 males; mean age: 45 (10-62) years) with parosteal lipomas who were treated between April 1986 and April 2014, were included into the study. The medical records of the patients were reviewed to analyze the clinical features and functional results of the patients. RESULTS: Of the 12 lipomas, 5 were localized in the proximal arm, 4 in the forearm, 1 in the distal arm, 1 in the distal thigh and 1 in the distal tibia...
December 2017: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/28969808/management-of-atraumatic-posterior-interosseous-nerve-palsy
#4
REVIEW
Kohila Vani Sigamoney, Abbas Rashid, Chye Yew Ng
The posterior interosseous nerve (PIN) is susceptible to a number of traumatic and atraumatic pathologies. In this article, we aim to review our current understanding of the etiology, pathology, diagnosis, treatment options, and published outcomes of atraumatic PIN palsy. In general, the etiology of atraumatic PIN palsy can be divided into mechanical, which is caused by an extrinsic compressive force on the nerve, and nonmechanical, which is caused by an intrinsic inflammatory reaction within the nerve. As per this discussion, there are 3 causes for atraumatic PIN palsy...
October 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28594495/ulnar-tunnel-syndrome-radial-tunnel-syndrome-anterior-interosseous-nerve-syndrome-and-pronator-syndrome
#5
Adam B Strohl, David S Zelouf
In addition to the more common carpal tunnel and cubital tunnel syndromes, orthopaedic surgeons must recognize and manage other potential sites of peripheral nerve compression. The distal ulnar nerve may become compressed as it travels through the wrist, which is known as ulnar tunnel or Guyon canal syndrome. The posterior interosseous nerve may become entrapped in the proximal forearm as it travels through the radial tunnel, which results in a pain syndrome without motor weakness. The median nerve may become entrapped in the proximal forearm, which can result in a variety of symptoms...
February 15, 2017: Instructional Course Lectures
https://www.readbyqxmd.com/read/28485505/posterior-interosseous-nerve-syndrome-after-pneumatic-hammer-use-an-uncommon-condition
#6
Bernardo Nunes, Francisco Serdoura, Luísa Vital, Manuel Seara, Rui Pinto
This case report presents a 27 year-old manual worker with right wrist extension deficit after pneumatic hammer handling. MRI and electromyographic studies revealed partial compromise of the posterior interosseous nerve (PIN) proximal to the branch for the extensor digitorum communis. The patient enrolled a 6-week rehabilitation period and recovered without remaing symptoms. PIN syndrome has mostly been associated with compressive neuropathies of the upper limb, but has seldom been reported in labor contexts...
July 2017: American Journal of Industrial Medicine
https://www.readbyqxmd.com/read/28198531/superficial-brachial-artery-a-possible-cause-for-idiopathic-median-nerve-entrapment-neuropathy
#7
Pilani Nkomozepi, Nkosi Xhakaza, Elaine Swanepoel
Nerve entrapment syndromes occur because of anatomic constraints at specific locations in both upper and lower limbs. Anatomical locations prone to nerve entrapment syndromes include sites where a nerve courses through fibro-osseous or fibromuscular tunnels or penetrates a muscle. The median nerve (MN) can be entrapped by the ligament of Struthers; thickened biceps aponeurosis; between the superficial and deep heads of the pronator teres muscle and by a thickened proximal edge of flexor digitorum superficialis muscle...
February 15, 2017: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/27902538/ulnar-tunnel-syndrome-radial-tunnel-syndrome-anterior-interosseous-nerve-syndrome-and-pronator-syndrome
#8
Adam B Strohl, David S Zelouf
In addition to the more common carpal tunnel and cubital tunnel syndromes, orthopaedic surgeons must recognize and manage other potential sites of peripheral nerve compression. The distal ulnar nerve may become compressed as it travels through the wrist, which is known as ulnar tunnel or Guyon canal syndrome. The posterior interosseous nerve may become entrapped in the proximal forearm as it travels through the radial tunnel, which results in a pain syndrome without motor weakness. The median nerve may become entrapped in the proximal forearm, which can result in a variety of symptoms...
January 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/27683851/posterior-interosseous-neuropathy-supinator-syndrome-vs-fascicular-radial-neuropathy
#9
Philipp Bäumer, Henrich Kele, Annie Xia, Markus Weiler, Daniel Schwarz, Martin Bendszus, Mirko Pham
OBJECTIVE: To investigate the spatial pattern of lesion dispersion in posterior interosseous neuropathy syndrome (PINS) by high-resolution magnetic resonance neurography. METHODS: This prospective study was approved by the local ethics committee and written informed consent was obtained from all patients. In 19 patients with PINS and 20 healthy controls, a standardized magnetic resonance neurography protocol at 3-tesla was performed with coverage of the upper arm and elbow (T2-weighted fat-saturated: echo time/repetition time 52/7,020 milliseconds, in-plane resolution 0...
November 1, 2016: Neurology
https://www.readbyqxmd.com/read/27177178/posterior-interosseous-nerve-discontinuity-due-to-compression-by-lipoma-report-of-2-cases
#10
Andrés A Maldonado, Benjamin M Howe, Robert J Spinner
Paralysis of the posterior interosseous nerve (PIN) secondary to compression is a rare clinical condition. Entrapment neuropathy may occur at fibrous bands at the proximal, middle, or distal edge of the supinator. Tumors are a relatively rare but well-known potential cause. The authors present 2 cases of PIN lesions in which compression by a benign lipoma at the level of the elbow resulted in near transection (discontinuity) of the nerve. They hypothesize a mechanism-a "sandwich effect"-by which compression was produced from below by the mass and from above by a fibrous band in the supinator muscle (i...
May 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27142825/delayed-diagnosed-intermuscular-lipoma-causing-a-posterior-interosseous-nerve-palsy-in-a-patient-with-cervical-spondylosis-the-priceless-value-of-the-clinical-examination-in-the-technological-era
#11
R Colasanti, M Iacoangeli, A Di Rienzo, M Dobran, L Di Somma, N Nocchi, M Scerrati
BACKGROUND: Posterior interosseous nerve (PIN) palsy may present with various symptoms, and may resemble cervical spondylosis. CASE REPORT: We report about a 59-year-old patient with cervical spondylosis which delayed the diagnosis of posterior interosseous nerve (PIN) palsy due to an intermuscular lipoma. Initial right hand paraesthesias and clumsiness, together with MR findings of right C5-C6 and C6-C7 foraminal stenosis, misled the diagnostic investigation. The progressive loss of extension of all right hand fingers brought to detect a painless mass compressing the PIN...
January 2016: Il Giornale di Chirurgia
https://www.readbyqxmd.com/read/27099747/posterior-interosseous-neuropathy-the-diagnostic-benefits-of-a-multimodal-approach-to-investigation
#12
Andrew Robert Lawley, Shouvik Saha, Francesco Manfredonia
Posterior interosseous neuropathy should be considered in patients presenting with finger and wrist drop and no sensory deficit. Clinical and electrophysiological assessments are key to a diagnosis. MRI may disclose etiological information not available to clinical or neurophysiological assessment, and should be thought as a complementary diagnostic tool.
April 2016: Clinical Case Reports
https://www.readbyqxmd.com/read/26770861/imaging-of-posterior-interosseous-neuropathy-following-distal-biceps-repair-a-report-of-3-cases
#13
Darren Fitzpatrick, Catherine Petchprapa, Leon Rybak
Three cases of PIN palsy following biceps repair are presented with clinical and imaging correlation. The imaging findings in these cases will be discussed and the orthopedic literature, as regards possible surgical approaches and technical factors believed to predispose to or prevent this complication, will be reviewed. It is important for radiologists to serve as consultants in these uncommon but sometimes devastating complications, helping to quickly and accurately recognize the imaging findings corresponding to the clinical symptoms and aiding the surgeon in diagnosis and treatment by identifying the possible causes and sites of nerve compression...
2015: Case Reports in Radiology
https://www.readbyqxmd.com/read/26713154/neuralgic-amyotrophy-manifesting-as-mimicking-posterior-interosseous-nerve-palsy
#14
Jin Seo Yang, Yong Jun Cho, Suk Hyung Kang, Eun Hi Choi
The upper trunk of the brachial plexus is the most common area affected by neuralgic amyotrophy (NA), and paresis of the shoulder girdle muscle is the most prevalent manifestation. Posterior interosseous nerve palsy is a rare presentation in patients with NA. It results in dropped finger on the affected side and may be misdiagnosed as entrapment syndrome or compressive neuropathy. We report an unusual case of NA manifested as PIN palsy and suggest that knowledge of clinical NA phenotypes is crucial for early diagnosis of peripheral nerve palsies...
November 2015: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/26674960/assessment-of-the-utility-of-ultrasonography-with-high-frequency-transducers-in-the-diagnosis-of-postoperative-neuropathies
#15
Berta Kowalska
The primary aim of this paper was to assess the relevance of high-frequency ultrasound examination in qualifying patients for either surgical or conservative treatment of postoperative peripheral neuropathies. The study was conducted in a group of 71 patients who in 2009-2011 were referred to ultrasound examinations due to a clinical suspicion of peripheral neuropathies. For the purposes of this analysis, the suspected postoperative neuropathies were divided into three groups: after surgical treatment of the median nerve (1), after surgical treatment of the ulnar nerve (2) and other postoperative neuropathies (3)...
June 2015: Journal of Ultrasonography
https://www.readbyqxmd.com/read/26674101/ultrasound-assessment-on-selected-peripheral-nerve-pathologies-part-i-entrapment-neuropathies-of-the-upper-limb-excluding-carpal-tunnel-syndrome
#16
REVIEW
Berta Kowalska, Iwona Sudoł-Szopińska
Ultrasound (US) is one of the methods for imaging entrapment neuropathies, post-traumatic changes to nerves, nerve tumors and postoperative complications to nerves. This type of examination is becoming more and more popular, not only for economic reasons, but also due to its value in making accurate diagnosis. It provides a very precise assessment of peripheral nerve trunk pathology - both in terms of morphology and localization. During examination there are several options available to the specialist: the making of a dynamic assessment, observation of pain radiation through the application of precise palpation and the comparison of resultant images with the contra lateral limb...
September 2012: Journal of Ultrasonography
https://www.readbyqxmd.com/read/26674099/assessment-of-the-utility-of-ultrasonography-with-high-frequency-transducers-in-the-diagnosis-of-entrapment-neuropathies
#17
Berta Kowalska
The primary aim of this paper was to assess the relevance of high-frequency ultra-sound examination in qualifying patients for either surgical or conservative treatment of peripheral entrapment neuropathies. The study was conducted in a group of 55 patients aged 7-83 (mean age 43.6), including 28 males and 27 females, who in 2009-2011 were referred to an ultrasound examination due to a clinical suspicion of entrapment neuropathies. For the purposes of the analysis, the patients were divided into four groups: carpal tunnel syndrome (1), ulnar nerve entrapment (2) (cubital tunnel syndrome and Guyon's canal syndrome), posterior interosseous nerve syndrome (3) and other entrapment neuropathies (4)...
December 2014: Journal of Ultrasonography
https://www.readbyqxmd.com/read/26206065/ultrasound-combined-with-electrodiagnosis-improves-lesion-localization-and-outcome-in-posterior-interosseous-neuropathy
#18
Yevgeniya Dvorkin Wininger, Neilly A Buckalew, Robert A Kaufmann, Michael C Munin
INTRODUCTION: Posterior interosseous nerve (PIN) syndrome is a rare compression neuropathy. Electrodiagnostic studies (EDx) combined with neuromuscular ultrasound (US) enable precise lesion localization and may improve patient outcome. METHODS: In 4 patients with finger extension weakness, US was used to accurately localize concentric electromyographic (EMG) needle placement in PIN muscles and to visualize the lesion site. RESULTS: EMG with US guidance showed decreased recruitment with abnormal configuration in PIN muscles...
December 2015: Muscle & Nerve
https://www.readbyqxmd.com/read/26201950/nerve-ultrasound-identifies-abnormalities-in-the-posterior-interosseous-nerve-in-patients-with-proximal-radial-neuropathies
#19
Alexander R Dietz, Robert C Bucelli, Alan Pestronk, Craig M Zaidman
INTRODUCTION: The radial nerve and posterior interosseous nerve (PIN) are prone to injury at multiple sites. Electrodiagnostic (EDx) studies may only identify the most proximal lesion. Nerve ultrasound could augment EDx by visualizing additional pathology. METHODS: This investigation was a retrospective examination of ultrasound and EDx from 26 patients evaluated for posterior cord/radial/PIN lesions. RESULTS: Eighteen of 26 patients had abnormalities on EDx (15 radial, 2 PIN, 1 posterior cord)...
March 2016: Muscle & Nerve
https://www.readbyqxmd.com/read/25932432/severe-persistent-painful-neuropathy-relieved-immediately-after-surgical-release-case-of-neurostenalgia-of-the-radial-nerve
#20
Jung-Gyoo Park, Hannae Jo, Hee-Won Park, Sora Baek
Neurostenalgia is a neuropathic pain that results from continuing irritation of an anatomically intact nerve by a noxious agent. The pain resolves promptly after surgical release of the nerve. The authors report a case of neurostenalgia of the radial nerve in which the posterior interosseous branch was compressed at the arcade of Frohse, presenting with severe arm and elbow pain. The pain was immediately relieved after surgical release of the nerve.
April 2015: Annals of Rehabilitation Medicine
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