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Cejas C, Pastor Rueda JM, Hernández Pinzón J, Stefanoff N, Barroso F. Neuralgic amyotrophy detected by magnetic resonance neurography: subclinical, bilateral, and multifocal brachial plexus involvement. Neurol Res 2023; 45:283-289. [PMID: 36281961 DOI: 10.1080/01616412.2022.2138038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
INTRODUCTION Neuralgic amyotrophy (NA) is a painful non-traumatic peripheral nervous system condition affecting the brachial plexus. Signal abnormalities in nerves and muscles have been detected in these patients using magnetic resonance neurography (MRN). METHODS Electronic medical records and MRN images obtained in a 3 T scanner, in 14 adult patients diagnosed with NA at our Neurological institution (Neuromuscular Disorders Section), between December 2015 and December 2019 were retrospectively reviewed. The study was first approved by our Institutional Ethics Committee. RESULTS Subclinical, multifocal, and bilateral nerve signal anomalies were recorded in the brachial plexus of these patients. We identified four different types of nerve constriction without entrapment, which we categorized as follows: incomplete focal (type I), complete focal or hourglass (type II), multifocal or string of pearls (type III) and segmental (type IV). CONCLUSIONS Given that MRN is an accurate diagnostic tool to detect nerve damage, we believe abnormal findings could improve early detection of NA patients.
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Affiliation(s)
- Claudia Cejas
- Radiology Department, Fleni, Buenos Aires, Argentina
| | - José M Pastor Rueda
- Neuromuscular Disorders Section, Neurology Department, Fleni, Buenos Aires, Argentina
| | | | | | - Fabio Barroso
- Neuromuscular Disorders Section, Neurology Department, Fleni, Buenos Aires, Argentina
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Ho NH, Hung LT, Kuan EC, Ho CY, Hsu CC, Lan MY. Combining sinus plain film and sinus ultrasound as a screening tool for maxillary fungal sinusitis. J Chin Med Assoc 2022; 85:375-380. [PMID: 34812769 DOI: 10.1097/jcma.0000000000000669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Early identification of fungal sinusitis remains a challenge. Previously, we observed a high false negative rate of using A-mode ultrasound to diagnose maxillary fungal sinusitis. This study aims to assess the accuracy of the diagnosis of fungal maxillary sinusitis using sinus plain film and ultrasound. METHODS The screening criteria is defined as the combination of a positive sinus plain film and a false negative sinus ultrasound. We retrospectively reviewed preoperative imaging of patients with fungal sinusitis and unilateral bacterial sinusitis of the maxillary sinus undergoing functional endoscopic sinus surgery from May 2013 to December 2019 in our hospital and evaluated the diagnostic performance of this screening method. RESULTS Forty-eight patients were included. Twenty-two and 26 patients were diagnosed with fungal sinusitis and bacterial sinusitis, respectively. Sixteen patients (72.7%) with fungal sinusitis presented with a false negative sinus ultrasound and met our screening criteria for fungal sinusitis. The screening criteria reached significance in the receiver operating characteristic curve analysis (p < 0.001). The area under the curve was 0.829. The sensitivity, specificity, and accuracy are 72.7%, 93.2%, and 88.4%, respectively. CONCLUSION A high false negative rate of sinus ultrasound in patients with fungal sinusitis was found. A positive sinus plain film combined with a false negative sinus ultrasound can potentially become an easy and cost-effective screening tool for diagnosing fungal maxillary sinusitis before consideration of computed tomography scanning.
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Affiliation(s)
- Nien-Hsuan Ho
- Department of Otolaryngology, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
- Department of Otolaryngology-Head and Neck Surgery, Mackay Memorial Hospital, Taipei, Taiwan, ROC
| | - Li-Ting Hung
- Department of Otolaryngology, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
| | - Edward C Kuan
- Department of Otolaryngology, University of California, Irvine, Orange, CA, USA
| | - Ching-Yin Ho
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
- Department of Otolaryngology, Cheng Hsin Hospital, Taipei, Taiwan, ROC
| | - Cheng-Chieh Hsu
- Department of Otolaryngology, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Ming-Ying Lan
- Department of Otolaryngology, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
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COVID-19: A putative trigger for neuralgic amyotrophy. Rev Neurol (Paris) 2021; 178:157-158. [PMID: 34955227 PMCID: PMC8699330 DOI: 10.1016/j.neurol.2021.11.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 11/11/2021] [Accepted: 11/15/2021] [Indexed: 11/24/2022]
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Manne R, Thakkar P, Zheng J. Radiation-Induced Obturator Nerve Injury in Cervical Cancer. JOURNAL OF REHABILITATION MEDICINE - CLINICAL COMMUNICATIONS 2021; 4:1000043. [PMID: 33884146 PMCID: PMC8054749 DOI: 10.2340/20030711-1000043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Accepted: 10/28/2020] [Indexed: 11/23/2022]
Abstract
Cancer itself can have lifelong devastating effects, but radiation treatment can often also result in long-lasting neurological and musculoskeletal complications, leading to subsequent severe functional impairments. Physiatrists caring for the cancer rehabilitation population must be able to recognize and treat radiation-induced peripheral nerve injuries. This report presents a rare case of radiationinduced obturator neuropathy in a patient with recurrent cervical cancer. LAY ABSTRACT The number of cancer survivors is increasing annually. Many of these survivors will have received some form of radiation therapy. Whether their last dose was 6 months or 20 years ago, radiation can cause injury to nerves and muscles at any point after treatment. If physicians do not recognize these complications at an early stage, radiation injuries can result in progressive pain and functional impairments that can be lifelong. We report here a rare case of nerve injury in a patient following radiation, emphasizing the key findings of presentation and the testing and management needed in order to prevent long-term pain and improve overall quality of life in cancer survivors.
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Affiliation(s)
- Radhika Manne
- Physical Medicine and Rehabilitation, University of Pennsylvania, Philadelphia, USA
| | - Parth Thakkar
- Physical Medicine and Rehabilitation, Rutgers University, New Brunswick, NJ, USA
| | - Jasmine Zheng
- Physical Medicine and Rehabilitation, University of Pennsylvania, Philadelphia, USA
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High-resolution in vivo MR imaging of intraspinal cervical nerve rootlets at 3 and 7 Tesla. Eur Radiol 2021; 31:4625-4633. [PMID: 33409779 DOI: 10.1007/s00330-020-07557-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 11/09/2020] [Accepted: 11/20/2020] [Indexed: 10/22/2022]
Abstract
OBJECTIVES No routine imaging technology allows reliable visualization of nerve rootlets inside the spinal canal with positive contrast. The stronger MR signal at 7 T, with optimized protocols, may offer a solution. The purpose was to evaluate the potential of 3D Dual-Echo Steady-State (DESS) MR imaging of the cervical spine at 3 and 7 T in assessing the micro-anatomy of the nerve rootlets. MATERIALS/METHODS This prospective study was approved by the local ethics committee. Twenty-one patients, clinically referred to cervical-spine MRI, underwent additional MR exams at 3 T and 7 T, each of which consisted of a single 3D-DESS series with equal acquisition times. Artifacts, visualization quality, and number of identified rootlets (C2 to C8) were rated by two musculoskeletal radiologists. Results were compared by Wilcoxon tests. Interobserver reliability was assessed using weighted κ statistics and intraclass correlation coefficient (ICC). RESULTS Intraspinal rootlets could successfully be visualized at both field strengths. Rating differences for artifacts and quality of rootlet depiction were not significant for the two field strengths. The mean number of identified rootlets was larger for 7-T than for 3-T MR for every assessed nerve; however, this difference was not statistically significant using the Bonferroni correction (p values ranging from 0.002 to 0.53). Interobserver agreement was substantial to almost perfect (weighted κ values of 0.69 and 0.82). The ICC for the number of identified rootlets was 0.80. CONCLUSION Non-invasive 3D-DESS MR-imaging at 3 and 7 T has the potential to provide precise assessments of the micro-anatomy of intraspinal cervical nerve roots. KEY POINTS • Cervical rootlets can be successfully visualized with positive contrast using 3D-DESS MR-imaging. • 3D-DESS MR-imaging at 3 and 7 T provides precise assessments of the micro-anatomy of cervical nerves. • The mean number of identified cervical rootlets using 3D-DESS was larger for 7 T than for 3 T MR; however, this difference was not statistically significant.
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Murthy NK, Amrami KK, Spinner RJ. Perineural spread to the brachial plexus: a focused review of proposed mechanisms and described pathologies. Acta Neurochir (Wien) 2020; 162:3179-3187. [PMID: 32632655 DOI: 10.1007/s00701-020-04466-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Accepted: 06/18/2020] [Indexed: 01/31/2023]
Abstract
BACKGROUND Perineural spread (PNS) is an emerging mechanism for progressive, non-traumatic brachial plexopathy. We aim to summarize the pathologies (tumor and infection) shown to have spread along or to the brachial plexus, and identify the proposed mechanisms of perineural spread. METHODS A focused review of the literature was performed pertaining to pathologies with identified perineural spread to the brachial plexus. RESULTS We summarized pathologies currently reported to have PNS in the brachial plexus and offer a structure for understanding and describing these pathologies with respect to their interaction with the peripheral nervous system. CONCLUSIONS Perineural spread is an underrepresented entity in the literature, especially regarding the brachial plexus. It can occur via a primary or secondary mechanism based on the anatomy, and understanding this mechanism helps to support biopsies of sacrificial nerve contributions, leading to more effective and timely treatment plans for patients.
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Aulino JM, Kirsch CFE, Burns J, Busse PM, Chakraborty S, Choudhri AF, Conley DB, Jones CU, Lee RK, Luttrull MD, Moritani T, Policeni B, Ryan ME, Shah LM, Sharma A, Shih RY, Subramaniam RM, Symko SC, Bykowski J. ACR Appropriateness Criteria ® Neck Mass-Adenopathy. J Am Coll Radiol 2020; 16:S150-S160. [PMID: 31054741 DOI: 10.1016/j.jacr.2019.02.025] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Accepted: 02/08/2019] [Indexed: 11/26/2022]
Abstract
A palpable neck mass may be the result of neoplastic, congenital, or inflammatory disease. Older age suggests neoplasia, and a congenital etiology is more prevalent in the pediatric population. The imaging approach is based on the patient age, mass location, and clinical pulsatility. Underlying human papillomavirus-related malignancy should be considered in all age groups. Although the imaging appearance of some processes in the head and neck overlap, choosing the appropriate imaging examination may allow a specific diagnosis, or a limited differential diagnosis. Tissue sampling is indicated to confirm suspected malignancy. The American College of Radiology Appropriateness Criteria are evidence-based guidelines for specific clinical conditions that are reviewed annually by a multidisciplinary expert panel. The guideline development and revision include an extensive analysis of current medical literature from peer reviewed journals and the application of well-established methodologies (RAND/UCLA Appropriateness Method and Grading of Recommendations Assessment, Development, and Evaluation or GRADE) to rate the appropriateness of imaging and treatment procedures for specific clinical scenarios. In those instances where evidence is lacking or equivocal, expert opinion may supplement the available evidence to recommend imaging or treatment.
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Affiliation(s)
| | | | - Claudia F E Kirsch
- Panel Chair, Northwell Health, Zucker Hofstra School of Medicine at Northwell, Manhasset, New York
| | | | - Paul M Busse
- Massachusetts General Hospital, Boston, Massachusetts
| | - Santanu Chakraborty
- Ottawa Hospital Research Institute and the Department of Radiology, The University of Ottawa, Ottawa, Ontario, Canada, Canadian Association of Radiologists
| | - Asim F Choudhri
- Le Bonheur Children's Hospital, University of Tennessee Health Science Center, Memphis, Tennessee
| | - David B Conley
- Northwestern University Feinberg School of Medicine, Chicago, Illinois, American Academy of Otolaryngology-Head and Neck Surgery
| | | | - Ryan K Lee
- Einstein Healthcare Network, Philadelphia, Pennsylvania
| | | | | | - Bruno Policeni
- University of Iowa Hospitals and Clinics, Iowa City, Iowa
| | - Maura E Ryan
- Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois
| | | | - Aseem Sharma
- Mallinckrodt Institute of Radiology, Saint Louis, Missouri
| | - Robert Y Shih
- Walter Reed National Military Medical Center, Bethesda, Maryland
| | | | | | - Julie Bykowski
- Specialty Chair, UC San Diego Health Center, San Diego, California
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Beckmann NM, West OC, Nunez D, Kirsch CF, Aulino JM, Broder JS, Cassidy RC, Czuczman GJ, Demertzis JL, Johnson MM, Motamedi K, Reitman C, Shah LM, Than K, Ying-Kou Yung E, Beaman FD, Kransdorf MJ, Bykowski J. ACR Appropriateness Criteria® Suspected Spine Trauma. J Am Coll Radiol 2019; 16:S264-S285. [DOI: 10.1016/j.jacr.2019.02.002] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Accepted: 02/07/2019] [Indexed: 02/05/2023]
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McDonald MA, Kirsch CF, Amin BY, Aulino JM, Bell AM, Cassidy RC, Chakraborty S, Choudhri AF, Gemme S, Lee RK, Luttrull MD, Metter DF, Moritani T, Reitman C, Shah LM, Sharma A, Shih RY, Snyder LA, Symko SC, Thiele R, Bykowski J. ACR Appropriateness Criteria® Cervical Neck Pain or Cervical Radiculopathy. J Am Coll Radiol 2019; 16:S57-S76. [DOI: 10.1016/j.jacr.2019.02.023] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Accepted: 02/08/2019] [Indexed: 12/12/2022]
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Amini B, Beckmann NM, Beaman FD, Wessell DE, Bernard SA, Cassidy RC, Czuczman GJ, Demertzis JL, Greenspan BS, Khurana B, Lee KS, Lenchik L, Motamedi K, Sharma A, Walker EA, Kransdorf MJ. ACR Appropriateness Criteria ® Shoulder Pain-Traumatic. J Am Coll Radiol 2019; 15:S171-S188. [PMID: 29724420 DOI: 10.1016/j.jacr.2018.03.013] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Accepted: 03/04/2018] [Indexed: 02/08/2023]
Abstract
Traumatic shoulder pain is pain directly attributed to a traumatic event, either acute or chronic. This pain may be the result of either fracture (the clavicle, scapula, or proximal humerus) or soft-tissue injury (most commonly of the rotator cuff, acromioclavicular ligaments, or labroligamentous complex). Imaging assessment of traumatic shoulder pain begins with conventional radiography and, depending on physical examination findings, will require MRI or MR arthrography for assessment of soft-tissue injuries and CT for delineation of fracture planes. Ultrasound excels in assessment of rotator cuff injuries but has limited usefulness for assessment of the deep soft-tissues. CT angiography and conventional arteriography are helpful for assessment of vascular injury, and bone scintigraphy can be used in assessment of complex regional pain syndrome after traumatic shoulder injury. The American College of Radiology Appropriateness Criteria are evidence-based guidelines for specific clinical conditions that are reviewed annually by a multidisciplinary expert panel. The guideline development and revision include an extensive analysis of current medical literature from peer reviewed journals and the application of well-established methodologies (RAND/UCLA Appropriateness Method and Grading of Recommendations Assessment, Development, and Evaluation or GRADE) to rate the appropriateness of imaging and treatment procedures for specific clinical scenarios. In those instances where evidence is lacking or equivocal, expert opinion may supplement the available evidence to recommend imaging or treatment.
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Affiliation(s)
| | - Behrang Amini
- Principal Author, University of Texas MD Anderson Cancer Center, Houston, Texas.
| | | | | | | | | | - R Carter Cassidy
- UK Healthcare Spine and Total Joint Service, Lexington, Kentucky; American Academy of Orthopaedic Surgeons
| | | | | | | | | | - Kenneth S Lee
- University of Wisconsin Hospital & Clinics, Madison, Wisconsin
| | - Leon Lenchik
- Wake Forest University School of Medicine, Winston Salem, North Carolina
| | - Kambiz Motamedi
- David Geffen School of Medicine at UCLA, Los Angeles, California
| | | | - Eric A Walker
- Penn State Milton S. Hershey Medical Center, Hershey, Pennsylvania; and Uniformed Services University of the Health Sciences, Bethesda, Maryland
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Dessouky R, Xi Y, Scott KM, Khaleel M, Gill K, Jones S, Khalifa DN, Tantawy HI, Aidaros MA, Chhabra A. Magnetic Resonance Neurography in Chronic Lumbosacral and Pelvic Pain: Diagnostic and Management Impact-Institutional Audit. World Neurosurg 2018; 114:e77-e113. [PMID: 29581014 DOI: 10.1016/j.wneu.2018.02.072] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2018] [Revised: 02/10/2018] [Accepted: 02/12/2018] [Indexed: 12/11/2022]
Abstract
BACKGROUND/OBJECTIVE Low back and pelvic pain are among the most prevalent conditions worldwide, with major social and economic costs. The aim of this study was to evaluate the role of magnetic resonance neurography (MRN) of lumbosacral plexus in the management and outcomes of these patients with chronic pain. METHODS Consecutive patients with chronic lumbosacral and pelvic pain referred for MRN over a year were included. Preimaging and postimaging clinical diagnosis and treatment, pain levels, and location were recorded. Pain-free survival was compared between treatments using a Cox proportional hazards model. RESULTS A total of 202 patients with mean age 53.7 ± 14.8 years and a male/female ratio of 1:1.53 were included. Of these patients, 115 presented with radiculopathy (57%), 56 with pelvic pain (28%), and 31 with groin pain (15%). Mean initial pain level was 6.9 ± 1.9. Mean symptom duration was 4.21 ± 5.86 years. Of these patients, 143 (71%) had a change in management because of MRN. After MRN, reduction in pain levels was observed in 21 of 32 patients receiving conservative treatment (66%), 42 of 67 receiving injections (63%), and 27 of 33 receiving surgery (82%). Follow-ups were available in 131 patients. Median pain-free survival was 12 months. Patients treated with surgery had significantly lower pain recurrence than patients receiving other treatments in the same time frame (hazard ratio, 3.6; 95% confidence interval, 1.4-9.2; P = 0.0061). CONCLUSIONS MRN use in chronic lumbosacral and pelvic pain led to a meaningful change in diagnosis and treatment. After MRN, conservative treatment and injections provided pain relief; however, patients benefited more from surgery than from any other treatment.
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Affiliation(s)
- Riham Dessouky
- Department of Radiology, University of Texas Southwestern Medical Center, Dallas, Texas, USA; Department of Radiology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Yin Xi
- Department of Radiology, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Kelly M Scott
- Department of Physical Medicine and Rehabilitation, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Mohammed Khaleel
- Department of Orthopaedic Surgery, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Kevin Gill
- Department of Orthopaedic Surgery, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Stephanie Jones
- Department of Anesthesiology and Pain Management, University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Dalia N Khalifa
- Department of Radiology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Hazim I Tantawy
- Department of Radiology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Magdy A Aidaros
- Department of Neurology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Avneesh Chhabra
- Department of Radiology, University of Texas Southwestern Medical Center, Dallas, Texas, USA.
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