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Article
Correlation between Clinical Features & MRI Findings in Patients with Internal Derangement of Temporomandibular Joint

Authors: Dr. Shahrazaad Sami Saeed B.D.S., M.Sc. ** د. شهرزاد سامي --- Dr. Lamia Al – Nakib B.D.S.,M.Sc. * د. لمياء النقيب
Journal: MUSTANSIRIA DENTAL JOURNAL مجلة المستنصرية لطب الاسنان ISSN: 18138500 Year: 2007 Volume: 4 Issue: 2 Pages: 131-135
Publisher: Al-Mustansyriah University الجامعة المستنصرية

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Abstract

Background: Temporomandibular joint disorder (TMD) is a collective term embracing a number of clinically distinct problem including myalagia, internal derangement, arthritic problem & disorders of mobility & growth.Aim of study: The aim of this study is to make correlation analysis between clinical signs of temporomandibular internal derangement and magnetic imaging for diagnosis of disk displacement with or without reduction and disk configuration.Material and method: Eighteen patients were examined according to Helkimo index which include impaired TMJ function, impaired range of movement, TMJ tenderness muscle tenderness &pain during mandibular movement.Results: The results showed significant correlation between Helkimo index and MRI findings, in that as the severity of index increased, there was an increase in progression of disk displacement, and when the index was mild 88.9% of the joints were with normal disk position, the posterior band of disk was on 12 o’clock position on top of condyle and about 11.1% had disk displacement with reduction, the disk return to normal position relative to condyle in open mouth position and no patient had disk displacement without reduction.Conclusion: There is significant correlation between clinical signs and MRI findings.

Keywords

Key words: MRI --- TMJ.


Article
MRI Finding of Cartilaginous Endplates Herniation of Lumbar Spine in Patient with Low Back Pain

Author: Mohammed Abd Kadhim* , Mansour Eidan Dawood Al – Zubaidi**, Firas Mahmood Yaqub
Journal: Iraqi Academic Scientific Journal المجلة العراقية للاختصاصات الطبية ISSN: 16088360 Year: 2018 Volume: 17 Issue: 4 Pages: 328-334
Publisher: The Iraqi Borad for Medical Specialization المجلس العراقي للاختصاصات الطبية

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Abstract

ABSTRACT:BACKGROUND:Magnetic resonance imaging (MRI) provides a noninvasive assessment of the lumbar spine. Little isthought about the MRI characteristics of cartilaginous endplate (CEP) and CEP herniation on theground that their normal thickness is only 0.6mm, making it hard to perceive at routine MRIexaminationsOBJECTIVE :To study the reliable magnetic resonance imaging findings suggested cartilage endplate herniation inlumbar spine.PATIENTS AND METHODS:This prospective study was conducted on 46 patients with low back pain in the MRI unit of Al-Imamein Alkadhmein Medical City, Baghdad, Iraq between September, 2016 and August 2017.Inclusion criteria: adult patients with lumbar disc herniation proved by MRI with surgical prove ofcartilage end plates herniation. Exclusion criteria include: patients with previous back surgery,history of spinal tumor and the general contraindications to MRI. Sagittal and axial T1-weightedspino-echo image and sagittal and axial T2 weighted spine echo images were obtained. Statisticalanalysis using SPSS version 23, the level of significance (p value) was set as ≤ 0.05.RESULT:Forty six patients with low back pain were included in this study, the mean age of 44±9 years, 26patients were females and 20 patients were males.The CEP herniation was detected by MRI among52.2% of patients with back pain. There was a highly significant association between CEP andincreased age of the patients, back pain radiated to both limbs, L4-5 defect site, modic changes andlumbar posterior marginal nodes (p value 0.01, 0.004, 0.02, 0.03 and <0.001 respectively). Nosignificant differences between patients with CEP herniation and those without CEP herniationregarding posterior osteophytes, dorsal vertebral cornal defect, heterogeneous signal intensity andposterior corner and mid endplate irregularities. There was a highly significant association betweenlumbar posterior marginal nodes and CEP herniation (p<0.001).CONCLUSION:CEP herniation is more prevalent among advanced age and at lower lumbar level. The most commonMRI signs related to CEP herniation were modic changes in mid endplate and lumbar posteriormarginal nodes..

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