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https://www.readbyqxmd.com/read/28448668/prognostic-indication-of-sarcopenia-for-wound-complication-after-total-laryngectomy
#1
Virginie Achim, Jasper Bash, Alia Mowery, Alexander R Guimaraes, Ryan Li, Josh Schindler, Mark Wax, Peter Andersen, Daniel Clayburgh
Importance: Postoperative wound complications after total laryngectomy (TL) increase hospital stay, costs, and delay adjuvant therapy when indicated. Recently, sarcopenia has been identified as a predictor of postoperative complications in patients undergoing major surgery but has not been assessed in head and neck surgery patients. Objective: To determine the incidence of sarcopenia in patients with squamous cell carcinoma (SCC) undergoing TL and evaluate its association with the development of postoperative wound complications...
April 27, 2017: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28446938/minimally-invasive-surgery-for-resection-of-ossification-of-the-ligamentum-flavum-in-the-thoracic-spine
#2
Wei Zhao, Chaoxiong Shen, Ranze Cai, Jianfeng Wu, Yuandong Zhuang, Zhaowen Cai, Rui Wang, Chunmei Chen
INTRODUCTION: Thoracic ossification of the ligamentum flavum (TOLF) is a common cause of progressive thoracic myelopathy. Surgical decompression is commonly used to treat TOLF. AIM: To evaluate the clinical outcomes of microsurgical decompression of TOLF via a paraspinal approach, using a percutaneous tubular retractor system. MATERIAL AND METHODS: First, three-dimensional (3D) image reconstruction and printed models were made from thin computed tomography scans for each patient...
2017: Wideochirurgia i Inne Techniki Mało Inwazyjne, Videosurgery and Other Miniinvasive Techniques
https://www.readbyqxmd.com/read/28435928/extra-skeletal-ewing-sarcoma-of-the-lumbosacral-region-in-an-adult-pregnant-patient-a-case-report
#3
Darweesh Al Khawaja, Cristina Vescovi, Ashraf Dower, Vallapan Thiruvilangam, Tamadur Mahasneh
Extra-skeletal Ewing sarcoma in pregnancy is rare. There is thus limited scientific evidence to guide clinicians in its complicated management, particularly within the context of early gestation. We therefore share our successful outcome in a 32-year-old pregnant patient, following a unique management strategy of complete aggressive surgical resection prior to neo-adjuvant therapy. The case involved a 2-month history of right-sided back and gluteal pain, with associated paraesthesia. Lumbosacral magnetic resonance imaging (MRI) revealed an approximate 40×50 mm indeterminate mass in the lower right paraspinal musculature...
March 2017: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/28429638/an-unusual-presentation-of-a-cervical-paraspinal-leiomyoma-in-an-adolescent-female
#4
Jeffrey A Swarz, Arayamparambil C Anilkumar, Douglas C Miller, N Scott Litofsky, Tomoko Tanaka
Objective We describe an apparently unique case of an extra-uterine leiomyoma in the cervical paraspinus including its evaluation and management. Methods A 14-year-old girl was referred to the neurology clinic for an abnormal head CT following a concussion. MRI revealed a homogenously enhancing left cervical paraspinal mass. The patient underwent complete resection and subsequent genetic testing and counseling were obtained to determine the presence of Li-Fraumeni Syndrome (LFS) or Hereditary Leiomyomatosis and Renal Cell Cancer (HLRCC) mutations...
January 1, 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28427393/correlation-between-intervertebral-disc-degeneration-paraspinal-muscle-atrophy-and-lumbar-facet-joints-degeneration-in-patients-with-lumbar-disc-herniation
#5
Dong Sun, Peng Liu, Jie Cheng, Zikun Ma, Jingpei Liu, Tingzheng Qin
BACKGROUND: To assess the correlation between lumbar disc degeneration (LDD), multifidus muscle atrophy (LMA), and facet joints degeneration in patients with L4-L5 lumbar disc herniation (LDH). METHODS: Sixty patients with L4-L5 LDH diagnosed by a 1.5 T MRI scanner were enrolled in the study group and another 60 patients with non-specific back pain were enrolled in the control group. LDD, LMA, and facet joints degeneration were examined and analyzed independently by two independent orthopedic surgeons using T2-weighted images...
April 20, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28420320/pediatric-non-vestibular-schwannoma
#6
Cory Broehm, Alyaa Al-Ibraheemi, Karen J Fritchie
While the clinicopathologic features of pediatric vestibular schwannomas, often in the context of neurofibromatosis type 2 (NF2), have been well studied, there is less data regarding the characteristics of pediatric non-vestibular schwannomas (NVS). Additionally, the rate of loss of SMARCB1/INI1 expression in this population has not been systematically evaluated. Our institutional archives were searched for cases of NVS arising in patients 18 years or younger. Clinicopathologic features including SMARCB1/INI1 status were assessed for each case...
January 1, 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28419438/dinosaur-tail-sign-a-useful-spinal-mri-finding-indicative-of-cerebrospinal-fluid-leakage
#7
Keita Sakurai, Masafumi Kanoto, Motoo Nakagawa, Masashi Shimohira, Aya M Tokumaru, Masashi Kameyama, Keigo Shimoji, Satoru Morimoto, Noriyuki Matsukawa, Minoru Nishio, Yuta Shibamoto
OBJECTIVE: To evaluate the imaging characteristics and diagnostic utility of the "Dinosaur tail sign" in the diagnosis of cerebrospinal fluid (CSF) leakage. BACKGROUND: The authors propose the "Dinosaur tail sign," defined as a combination of the dorsal epidural hyperintensities, fat tissue, spinal cord, and cauda equine on lumbosacral sagittal fat-suppressed T2-weighted image (FST2WI), as a sensitive indicator for diagnosing CSF leakage. METHODS: Imaging characteristics of the "Dinosaur tail sign" was evaluated in seven spontaneous intracranial hypotension (SIH) and 23 iatrogenic CSF leakage (ICSFL) patients...
April 16, 2017: Headache
https://www.readbyqxmd.com/read/28413545/bilateral-cervico-dorsal-gossypiboma-presenting-as-discharging-sinus
#8
Sushil Kumar, Pooja Abbey, Amit Handa
Retained surgical sponge is an uncommon complication after laminectomy. A 67-year-old male presented with a discharging sinus in the cervical region following cervical laminectomy. Magnetic resonance imaging (MRI) revealed bilateral symmetrical lesions in the paraspinal area. Re-exploration revealed gauze pieces on either side under the muscle. Persistent discharging wound after surgery should arouse the possibility of a foreign body. Because of the rarity of bilateral lesions, the present case is being reported...
January 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/28409152/the-association-between-imaging-parameters-of-the-paraspinal-muscles-spinal-degeneration-and-low-back-pain
#9
REVIEW
Leonid Kalichman, Eli Carmeli, Ella Been
This narrative review investigated imaging parameters of the paraspinal muscles and their association with spinal degenerative features and low back pain (LBP) found in the literature. Three principal signs of muscle degeneration were detected on imaging: decreased muscle size, decreased radiographic density, and increased fat deposits. Men have a higher density of paraspinal muscles than women, younger individuals have a higher density than older ones, and lean individuals have a higher density than those with an increased body mass index...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28402485/evolution-of-sagittal-imbalance-following-corrective-surgery-for-sagittal-plane-deformity
#10
Michael M McDowell, Zachary J Tempel, Gurpreet S Gandhoke, Nicholas K Khattar, D Kojo Hamilton, Adam S Kanter, David O Okonkwo
BACKGROUND: Sagittal balance in adult spinal deformity is a major predictor of quality of life. A temporary loss of paraspinal muscle force and somatic pain following spine surgery may limit a patient's ability to maintain posture. OBJECTIVE: To assess the evolution of sagittal balance and clinical outcomes during recovery from adult spinal deformity surgery. METHODS: Retrospective review of a prospective observational database identified a consecutive series of patients with sagittal vertical axis (SVA) > 40 mm undergoing adult deformity surgery...
April 10, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28400659/does-lumbar-paraspinal-muscles-improve-after-corrective-fusion-surgery-in-degenerative-flat-black
#11
Jung Hwan Lee, Sang-Ho Lee
BACKGROUND: Degenerative flat back (DFB) is characterized by sagittal imbalance resulting from the loss of lumbar lordosis (LL). Extensive degeneration and weakness of lumbar paraspinal extensor muscle (PSE) are thought to be the main cause of DFB. This study is to evaluate correlation between preoperative PSE conditions and angular severity of DFB and to evaluate correlation between preoperative PSE conditions and degree of improvement of DFB obtained by corrective surgery. MATERIALS AND METHODS: Forty five patients with DFB who took magnetic resonance image (MRI) preoperatively and conducted simple radiography and three-dimensional gait analysis before and 6 months after corrective surgery were included...
March 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28386725/biomechanical-properties-of-posterior-transpedicular-transdiscal-oblique-lumbar-screw-fixation-with-novel-trapezoidal-lateral-interbody-spacer-an-in-vitro-human-cadaveric-model
#12
Ai-Min Wu, Jonathan A Harris, John C Hao, Sean M Jenkins, Yong-Long Chi, Brandon S Bucklen
PURPOSE: To investigate biomechanical properties of posterior transpedicular-transdiscal (TPTD) oblique lumbar screw fixation whereby the screw traverses the inferior pedicle across the posterior disc space into the super-adjacent body and lateral trapezoidal interbody spacer. METHODS: Eight fresh-frozen osteoligamentous human cadaveric spines (L1-S1) were tested in flexion-extension (FE), lateral bending (LB), and axial rotation (AR), with pure bending moment set at 7...
April 6, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28382215/central-cord-syndrome-from-blast-injury-after-gunshot-wound-to-the-spine-a-case-report-and-a-review-of-the-literature
#13
Juan Galloza, Juan Valentin, Edwardo Ramos
INTRODUCTION: Central Cord Syndrome (CCS) is the most common of the spinal cord injury syndromes. Few cases have been presented with gunshot wound (GSW) as a cause of a central cord syndrome, and none, to our knowledge, has been presented without any evidence of central canal bullet/bone fragments. CASE PRESENTATION: A 27-year-old male suffered two close-range gunshot wounds, one to the left neck and one to the left shoulder. CT scan showed C5 spinous process fracture and paraspinal muscle hemorrhage without evidence of central canal stenosis or bullet/bone fragments...
2017: Spinal Cord Series and Cases
https://www.readbyqxmd.com/read/28379730/paraspinal-edema-is-the-most-sensitive-feature-of-lumbar-spinal-epidural-abscess-on-unenhanced-mri
#14
Anna Shifrin, Qin Lu, Michael H Lev, Timothy M Meehan, Ranliang Hu
OBJECTIVE: Spinal epidural abscess (SEA) is a serious infection requiring prompt treatment and potential neurosurgical intervention. Although contrast-enhanced spine MRI is the mainstay for diagnosis of SEA, unenhanced MRI is typically performed for patients with nonspecific symptoms or insufficient clinical information. We evaluated the sensitivity and specificity of imaging features suggestive of SEA at unenhanced spine MRI. MATERIALS AND METHODS: We searched our database for contrast-enhanced lumbar spine MRI examinations from January 1, 2000, through August 1, 2014, with "epidural abscess" in the report...
April 5, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28377250/acute-spinal-epidural-hematoma-after-acupuncture-personal-case-and-literature-review
#15
Maurizio Domenicucci, Daniele Marruzzo, Alessandro Pesce, Antonino Raco, Paolo Missori
BACKGROUND: Spinal acupuncture is a relatively safe and common analgesic treatment, but it may be complicated by serious adverse effects such as direct spinal cord and nerve root injury, subdural empyema and epidural abscesses. In this report we are comparing our case of an extremely uncommon spinal epidural hematoma which appeared following treatment by acupuncture with other similar documented cases. CASE DESCRIPTION: This is the case of a 64-year-old man who presented a left hemiparesis associated with paraesthesias...
April 1, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28372312/the-recovery-of-damaged-paraspinal-muscles-by-posterior-surgical-treatment-for-patients-with-lumbar-degenerative-diseases-and-its-clinical-consequence
#16
Jae-Ryong Cha, Yong-Chan Kim, Wan-Keun Yoon, Won-Gyu Lee, Tae-Hwan Kim, Jae-Keun Oh, Seok-Woo Kim, Suk Hoon Ohn, Ji Hao Cui
BACKGROUND: Posterior lumbar surgery can lead to damage on paraspinal muscles. OBJECTIVE: Our study aimed to examine the recovery in the denervated paraspinal muscles by posterior lumbar surgery and to determine that of improvement in the lower back pain (LBP). METHODS: Depending on surgical treatments, the patients were divided into two groups: The group I (interspinous implantation with decompression) and II (posterior lumbar interbody fusion with decompression)...
March 24, 2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/28367616/management-of-neuroblastoma-icmr-consensus-document
#17
REVIEW
Deepak Bansal, Sidharth Totadri, Girish Chinnaswamy, Sandeep Agarwala, Tushar Vora, Brijesh Arora, Maya Prasad, Gauri Kapoor, Venkatraman Radhakrishnan, Siddharth Laskar, Tanvir Kaur, G K Rath, Sameer Bakhshi
Neuroblastoma (NBL) is the most common extra-cranial solid tumor in childhood. High-risk NBL is considered challenging and has one of the least favourable outcomes amongst pediatric cancers. Primary tumor can arise anywhere along the sympathetic chain. Advanced disease at presentation is common. Diagnosis is established by tumor biopsy and elevated urinary catecholamines. Staging is performed using bone marrow and mIBG scan (FDG-PET/bone scan if mIBG unavailable or non-avid). Age, stage, histopathological grading, MYCN amplification and 11q aberration are important prognostic factors utilized in risk stratification...
April 3, 2017: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/28350227/the-impact-of-segmental-trunk-support-on-posture-and-reaching-while-sitting-in-healthy-adults
#18
Victor Santamaria, Jaya Rachwani, Wayne Manselle, Sandra L Saavedra, Marjorie Woollacott
The authors investigated postural and arm control in seated reaches while providing trunk support at midribs and pelvic levels in adults. Kinematics and electromyography of the arm and ipsiliateral and contralateral paraspinal muscles were examined before and during reaching. Kinematics remained constant across conditions, but changes were observed in neuromuscular control. With midribs support, the ipsilateral cervical muscle showed either increased anticipatory activity or earlier compensatory muscle responses, suggesting its major role in head stabilization...
March 28, 2017: Journal of Motor Behavior
https://www.readbyqxmd.com/read/28335699/approaches-to-paraspinal-tumours-a-technical-note
#19
Arjun Dhar, Sumeet Pawar, Apurva Prasad, P S Ramani
Neurogenic tumours of the paraspinal space can occur in all age groups. It is common in adult population and relatively rare in elderly group. Usually they are benign, but in children, arising from the autonomic system, tends to be malignant in nature. Usually in adults, they arise from peripheral nerve sheath and are labelled as schwannomas. For a given tumour, determination of a correct surgical approach is mandatory to achieve a successful surgical outcome. Several factors like tumour size, histology, involvement of the bony spinal canal, etc...
April 2017: Neurological Research
https://www.readbyqxmd.com/read/28334814/genome-wide-association-study-identifies-novel-susceptible-loci-and-highlights-wnt-beta-catenin-pathway-in-the-development-of-adolescent-idiopathic-scoliosis
#20
Zezhang Zhu, Leilei Xu, Nelson Leung-Sang Tang, Xiaodong Qin, Zhenhua Feng, Weixiang Sun, Weiguo Zhu, Benlong Shi, Peng Liu, Saihu Mao, Jun Qiao, Zhen Liu, Xu Sun, Fangcai Li, Jack Chun-Yiu Cheng, Yong Qiu
The genetic architecture of adolescent idiopathic scoliosis (AIS) remains poorly understood. Here we present the result of a 4-stage genome-wide association study composed of 5,953 AIS patients and 8,137 controls. Overall, we identified three novel susceptible loci including rs7593846 at 2p14 near MEIS1 (Pcombined = 1.19 × 10-13, OR = 1.21, 95% CI = 1.10-1.32), rs7633294 at 3p14.1 near MAGI1 (Pcombined = 1.85 × 10-12, OR = 1.20, 95% CI = 1.09-1.32), and rs9810566 at 3q26.2 near TNIK (Pcombined = 1...
April 15, 2017: Human Molecular Genetics
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