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https://www.readbyqxmd.com/read/29217360/sonographic-findings-of-painful-hemiplegic-shoulder-after-stroke
#1
Pei-Hsin Lin
BACKGROUND: Hemiplegic shoulder pain is common in stroke patients and can influence rehabilitation outcome. The underlying pathology can be various: in addition to impaired motor control and altered peripheral and central nervous activity, soft tissue lesions may also play an important role. It remains unclear how these pathologies may interact or correlate with each other. METHODS: This retrospective study collected data from 26 stroke patients who received sonography examination due to shoulder pain...
December 4, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/29127505/high-resolution-ultrasonography-of-the-normal-extratemporal-facial-nerve
#2
Hannes Wegscheider, Gerd Fabian Volk, Orlando Guntinas-Lichius, Bernhard Moriggl
The technical advances in sonography of the past decade have supported the rapid improvement of high-resolution imaging, which enables the quick visualization of peripheral nerves at relatively limited costs. Recently, the possibility of visualizing the extratemporal facial nerve (FN) has been considered. This manuscript describes the first systematic evaluation in cadavers, of a novel ultrasonographic approach with this specific aim. Eight cadaveric hemifaces were evaluated by means of high-frequency ultrasound with two linear (13 and 22 MHz) and a convex transducer (6...
November 10, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/29124345/a-rare-anatomic-variation-of-the-superficial-palmar-branch-of-the-radial-artery-causing-pain
#3
Georg Singer, Robert Marterer, Holger Till, Barbara Schmidt
BACKGROUND: The superficial palmar branch of the radial artery (SPBRA) normally pierces through the thenar muscles and unites with the ulnar artery to form the superficial palmar arch. Rarely, a subcutaneous course of the SPBRA is described in which the artery lies superficial to the thenar muscles. CASE REPORT: We report about a 17-year-old female patient with pain at the thenar eminence due to a unique course of the SPBRA. Duplex sonography and magnetic resonance angiography revealed a subcutaneous course of the artery over the thenar muscles...
November 9, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29098300/-ultrasound-of-muscular-diseases-in-children-and-adolescents
#4
REVIEW
L von Rohden, Julian H W Jürgens
BACKGROUND: The increasing number of treatable hereditary neuromuscular diseases in children requires a diagnostic tool that can quickly, safely, and noninvasively identify affected patients directly after birth or when showing initial clinical symptoms. With clinical analysis alone, this is very difficult. IMAGING MODALITY: Near-field sonography of skeletal muscles has gradually become established as a successful method over the last 35 years. METHODOLOGICAL INNOVATIONS: Examination is performed using a strictly standardized protocol in isotopic muscle regions and with standardized sections and application parameters...
November 2, 2017: Der Radiologe
https://www.readbyqxmd.com/read/29075870/-inflammatory-muscle-diseases-myositis
#5
REVIEW
M Vahlensieck
CLINICAL ISSUE: Inflammatory muscle diseases are quite heterogeneous and frequently a specific diagnosis is not easy. STANDARD RADIOLOGICAL METHODS: Magnetic resonance imaging (MRI) is best suited to demonstrate pattern and size of inflamed muscles. PERFORMANCE: Sensitivity of MRI in showing inflamed muscles is nearly 100%. Specificity, however, is much lower. PRACTICAL RECOMMENDATIONS: In cases of suspected bacterial myositis, sonography may be used to exclude abscess formation prior to MRI for more precise information about inflamed muscles...
October 26, 2017: Der Radiologe
https://www.readbyqxmd.com/read/29075525/chest-wall-underappreciated-structure-in-sonography-part-i-examination-methodology-and-ultrasound-anatomy
#6
REVIEW
Andrzej Smereczyński, Katarzyna Kołaczyk, Elżbieta Bernatowicz
Chest wall ultrasound has been awarded little interest in the literature, with chest wall anatomy described only in limited extent. The objective of this study has been to discuss the methodology of chest wall ultrasound and the sonographic anatomy of the region to facilitate professional evaluation of this complex structure. The primarily used transducer is a 7-12 MHz linear one. A 3-5 MHz convex (curvilinear) transducer may also be helpful, especially in obese and very muscular patients. Doppler and panoramic imaging options are essential...
September 2017: Journal of Ultrasonography
https://www.readbyqxmd.com/read/28868271/prenatal-diagnosis-of-mosaic-tetrasomy-18p-in-a-case-without-sonographic-abnormalities
#7
Javad Karimzad Hagh, Thomas Liehr, Hamid Ghaedi, Mir Majid Mossalaeie, Shohreh Alimohammadi, Faegheh Inanloo Hajiloo, Zahra Moeini, Sadaf Sarabi, Davood Zare-Abdollahi
Small supernumerary marker chromosomes (sSMC) are still a major problem in clinical cytogenetics as they cannot be identified or characterized unambiguously by conventional cytogenetics alone. On the other hand, and perhaps more importantly in prenatal settings, there is a challenging situation for counseling how to predict the risk for an abnormal phenotype, especially in cases with a de novo sSMC. Here we report on the prenatal diagnosis of a mosaic tetrasomy 18p due to presence of an sSMC in a fetus without abnormal sonographic signs...
2017: International Journal of Molecular and Cellular Medicine
https://www.readbyqxmd.com/read/28828140/congenital-dermoid-fistulas-of-the-anterior-chest-region-cdfacr-usefulness-of-sonography-for-complete-resection
#8
Takahiro Hosokawa, Yoshitake Yamada, Hiroaki Takahashi, Yumiko Sato, Yutaka Tanami, Keisuke Suzuki, Hiroshi Kawashima, Eiji Oguma
Congenital dermoid fistulas of the anterior chest regions (CDFACRs) consist of a skin orifice at the anterior border of the sternocleidomastoid muscle with fistulas extending caudally in the subcutaneous tissue near the sternoclavicular joint. We report 2 pediatric CDFACR cases with pathognomonic sonography findings. By using sonography, we could diagnose the fistulas as CDFACRs by focusing on their location and direction and could reveal the distal side for complete resection. We suggest that sonography, which does not involve radiation or require sedation, is a better choice for the initial examination of CDFACRs than computed tomography or MRI...
September 2017: Radiology Case Reports
https://www.readbyqxmd.com/read/28820399/repetitive-muscle-compression-reduces-vascular-mechano-sensitivity-and-the-hyperemic-response-to-muscle-contraction
#9
A Messere, M Turturici, G Millo, S Roatta
Animal studies have shown that the rapid hyperemic response to external muscle compression undergoes inactivation upon repetitive stimulation, but this phenomenon has never been observed in humans. The aim of the present study was to determine whether 1) the vascular mechano-sensitivity underlying muscle compression-induced hyperemia is inactivated in an inter-stimulus interval (ISI)-dependent fashion upon repetitive stimulation, as suggested by animal studies, and 2) whether such inactivation also attenuates contraction-induced hyperemia...
June 2017: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28783537/investigation-of-the-hd-semg-probability-density-function-shapes-with-varying-muscle-force-using-data-fusion-and-shape-descriptors
#10
Mariam Al Harrach, Sofiane Boudaoud, Vincent Carriou, Jeremy Laforet, Adrien J Letocart, Jean-François Grosset, Frédéric Marin
This work presents an evaluation of the High Density surface Electromyogram (HD-sEMG) Probability Density Function (PDF) shape variation according to contraction level. On that account, using PDF shape descriptors: High Order Statistics (HOS) and Shape Distances (SD), we try to address the absence of a consensus for the sEMG non-Gaussianity evolution with force variation. This is motivated by the fact that PDF shape information are relevant in physiological assessment of the muscle architecture and function, such as contraction level classification, in complement to classical amplitude parameters...
August 1, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/28739045/filamin-b-the-next-hotspot-in-skeletal-research
#11
REVIEW
Qiming Xu, Nan Wu, Lijia Cui, Zhihong Wu, Guixing Qiu
Filamin B (FLNB) is a large dimeric actin-binding protein which crosslinks actin cytoskeleton filaments into a dynamic structure. Up to present, pathogenic mutations in FLNB are solely found to cause skeletal deformities, indicating the important role of FLNB in skeletal development. FLNB-related disorders are classified as spondylocarpotarsal synostosis (SCT), Larsen syndrome (LS), atelosteogenesis (AO), boomerang dysplasia (BD), and isolated congenital talipes equinovarus, presenting with scoliosis, short-limbed dwarfism, clubfoot, joint dislocation and other unique skeletal abnormalities...
July 20, 2017: Journal of Genetics and Genomics, Yi Chuan Xue Bao
https://www.readbyqxmd.com/read/28681489/nerve-ultrasound-as-follow-up-tool-in-treated-multifocal-motor-neuropathy
#12
T W Rattay, N Winter, B F Décard, N M Dammeier, F Härtig, M Ceanga, H Axer, A Grimm
BACKGROUND AND PURPOSE: High-resolution ultrasound is a valuable tool in supporting the diagnosis of multifocal motor neuropathy (MMN) but longitudinal data under therapy are lacking. METHODS: The change in peripheral nerve ultrasound pattern in patients with MMN was assessed over time. Patients with MMN received a thorough initial examination and follow-up over a period of 6-12 months using high-resolution ultrasound of the cervical roots and the nerves of the arms and legs, nerve conduction studies, Medical Research Council Sum Score (MRCSS) and Rotterdam Inflammatory Neuropathy Cause and Treatment Group (INCAT) score to evaluate changes under treatment...
July 5, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28670713/sonography-of-the-pronator-teres-normal-and-pathologic-appearances
#13
Viviane Créteur, Afarine Madani, Azadeh Sattari, Stefano Bianchi
The pronator teres muscle is rarely examined during a routine sonographic examination of the elbow joint. Nevertheless, it can be affected by a variety of conditions, including trauma and tumors, and can be implicated in compression of the median nerve. This pictorial essay first illustrates the anatomy and biomechanics of the pronator teres. Then we present the sonographic technique for examination, normal sonographic appearance, and anatomic variations of the pronator teres and adjacent structures as well as sonography of their main disorders...
July 3, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28661826/ultrasound-diagnosis-of-calf-injuries
#14
REVIEW
Jacob Michael Bright, Karl B Fields, Ryan Draper
CONTEXT: The medial head of the gastrocnemius is the third most commonly strained muscle in elite athletes after the biceps femoris and rectus femoris. The differential diagnosis of posterior calf injury includes musculoskeletal and nonmusculoskeletal causes. Classically, delineation of these injuries from one another relied primarily on historical features and physical examination findings. The utilization of musculoskeletal ultrasound (sonography) has augmented the diagnosis of these injuries by providing dynamic, real-time confirmation...
July 2017: Sports Health
https://www.readbyqxmd.com/read/28618294/focused-high-resolution-sonography-of-the-suprascapular-nerve-a-simple-surrogate-marker-for-neuralgic-amyotrophy
#15
Leonhard Gruber, Alexander Loizides, Wolfgang Löscher, Bernhard Glodny, Hannes Gruber
OBJECTIVES: To define the diagnostic value of high-resolution ultrasound (HRUS) of the suprascapular nerve (SSN) in the diagnosis of neuralgic amyotrophy (NA). METHODS: The cross-section areas (CSA) of the SSN at the C5 root (CSA1) and the omohyoid muscle in the midclavicular line (CSA2) were assessed bilaterally in 15 healthy volunteers and 14 patients with clinically and electrophysiologically verified NA. Receiver-operator-characteristics (ROC) curves were generated and cut-off values, sensitivity, specificity, positive (PPV) and negative predictive values (NPV), likelihood (LR) and odds ratios (OR) were calculated...
August 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28611519/sonographic-appearance-of-anal-cushions-of-hemorrhoids
#16
Adilijiang Aimaiti, Ma Mu Ti Jiang A Ba Bai Ke Re, Irshat Ibrahim, Hui Chen, Maimaitituerxun Tuerdi, Mayinuer
AIM: To evaluate the diagnostic value of different sonographic methods in hemorrhoids. METHODS: Forty-two healthy volunteers and sixty-two patients with grades I-IV hemorrhoids received two different sonographic examinations from January 2013 to January 2016 at the First and Second Hospitals of Xinjiang Medical University in a prospective way. We analyzed the ultrasonographic findings of these participants and evaluated the outcomes. Resected grades III and IV hemorrhoid tissues were pathologically examined...
May 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28590396/botulinum-toxin-conjugated-with-silk-fibroin-and-4-hexylresorcinol
#17
You-Young Jo, Seong-Gon Kim, Min-Keun Kim
PURPOSE: The objective of this study was to evaluate whether silk fibroin (SF) incorporated into 4-hexylresorcinol (4HR) could increase botulinum toxin-A (BTX-A) activity. MATERIAL AND METHODS: In total, 30 rats were used for this study. The animals were divided into 6 groups according to the injected materials (SA: saline only; SF; 4HR; B2: 2 units of BTX-A; B2 + SF + 4HR: combination of B2, SF, and 4HR; B5: 5 units of BTX-A). Serial sonography was used for the evaluation of muscle thickness after injection...
June 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28503793/rectus-abdominis-rhabdomyolysis-report-of-2-cases
#18
Jerome Boyle, Paul Marks, John Read
Exercise-induced rhabdomyolysis is an unusual clinical entity for physicians and one that is frequently misdiagnosed. With the ever-increasing use of sonography by radiologists, sonographers, and sports physicians in the diagnosis of acute muscle injury, recognition of the typical sonographic appearance of rhabdomyolysis is paramount. Current literature using high-resolution ultrasound equipment is limited, with much of the literature offering dated or incongruent descriptions. We describe the sonographic findings of hyperechoic muscle and a hypoechoic halo of edema in 2 proven cases of rectus abdominis rhabdomyolysis after exercise...
October 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28480580/sonography-for-an-imperforate-anus-approach-timing-of-the-examination-and-evaluation-of-the-type-of-imperforate-anus-and-associated-anomalies
#19
REVIEW
Takahiro Hosokawa, Yoshitake Yamada, Yutaka Tanami, Shinya Hattori, Yumiko Sato, Yujiro Tanaka, Hiroshi Kawashima, Mayumi Hsokawa, Eiji Oguma
This systematic review outlines the role of sonography in an imperforate anus. The diagnostic performance for type of imperforate anus is superior on the day after birth than that on the day of birth by using the pouch-perineum distance. Three approaches can be used (suprapubic, infracoccygeal, and perineal). The pouch-perineum distance, fistula location, and relationship between the puborectalis muscle and distal rectal pouch are useful for classifying the type of imperforate anus. However, the pouch-perineum distance measured has an overlap between the low and high/intermediate types of imperforate anus...
September 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28447158/-ultrasound-diagnostics-in-sj%C3%A3-gren-s-syndrome
#20
REVIEW
V S Schäfer, W A Schmidt
Ultrasound of the salivary glands is a specific examination for detecting pathology of salivary glands in the diagnosis of Sjögren's syndrome. It is easy to learn, rapidly performed, non-invasive and inexpensive. Other imaging techniques, such as sialography and scintigraphy, are currently only rarely performed. For the examination, linear ultrasound probes with frequencies between 7 and 12 MHz are recommended. Such probes are already widely available to the rheumatologist performing musculoskeletal ultrasound...
September 2017: Zeitschrift Für Rheumatologie
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