Slap tear mri arthrogram. It may also save patients from unnecessary diagnostic Aug 29, 2014 · Axial T1-weighted fat-saturated MR arthrography image (a) of a 29-year-old male swimmer shows a tear at the base of the anterior-inferior glenoid labrum (a, arrow), which is better depicted on axial oblique (or coronal oblique) T1-weighted fat-saturated ABER images (b, c, short arrows) due to tension on the anterior-inferior labrum by the Superior labral anterior posterior (SLAP) lesions of the glenoid labrum: reliability and accuracy of MR arthrography for diagnosis. We hypothesized that the accuracy of MRI and MRA was lower than previously reported. Diagnostic arthroscopy: involves the insertion of a narrow tube fitted with a fiber optic camera into the shoulder joint. Internal derangements of joints: emphasis on MR imaging. For direct arthrography, a glenohumeral joint injection is carried out commonly under fluoroscopy or CT guidance, although ultrasound guidance can also be used 1. X-rays: helpful in ruling out damage or abnormalities of bony Jun 12, 2019 · Conclusions: In this pilot study, the feasibility and accuracy of high resolution ultrasound for SLAP tears were evaluated and compared with MR arthrogram. Mar 20, 2024 · Systematic review. Pathology SLAP tears involve the superior glenoid labrum, where the long head of biceps tendon insert With MRI arthrography, a contrast agent is injected directly into the affected joint, guided by fluoroscopy (a low-dose form of X-ray) to ensure the accuracy of the injection, followed by MRI imaging. Materials and Methods Institutional review board approval and informed consent were obtained. This scan can provide detailed images of various sections of the joint, such as bones, cartilage, tendons, muscles, and ligaments. Tears of the labrum, the capsule or the gleno-humeral ligaments can lead to pain, catching, popping or instability. CT injectate Dec 11, 2022 · type III tears usually require resection of the bucket handle tear 2; Differential diagnosis. The arthrographic contrast will depend on whether CT or MRI arthrography is being carried out. Playing baseball or softball, swimming or lifting weights are common causes for SLAP tears. shoulder instability May 1, 2024 · Pathology. Acute injury. 67 (67%), which shows that MRI should not be routinely used to confirm clinical diagnosis of SLAP tear. 0 27. 30. MRI. The glenoid labrum, an important static stabilizer of the shoulder joint, has several normal labral variants that can be difficult to discriminate from labral tears and is subject to specific pathologic lesions (anteroinferior, posteroinferior, and superior labral anteroposterior lesions) with characteristic imaging features. 9% saline. MR Arthrography has become the imaging Using MR arthrography, sensitivity for humeral-sided articular cartilage abnormalities ranged from 53% to 100% and specificity ranged from 51% to 87% [ 1 ]. Calvisi V, Collodel M, Nasi M, Di Mille MA, Nardi M. 9 Moreover, a recent study showed that up to 75% of asymptomatic shoulders in patients aged between 45 and 60 years had magnetic resonance imaging (MRI)–based evidence of SLAP tears. Advances in knowledge: This pilot study explores and supports the use Jul 1, 2011 · Purpose To evaluate the accuracy and interobserver reliability of multidetector computed tomographic (CT) arthrography for the diagnosis and classification of superior labral anteroposterior (SLAP) lesions. 8 Jan 1, 2000 · PURPOSE: To determine the accuracy of magnetic resonance (MR) arthrography in the diagnosis of superior labrum anterior-posterior (SLAP) lesions of the shoulder. Glenoid-sided cartilage abnormalities were detected with sensitivity of 75% and specificity between 63% and 66% [ 1 ]. 2 T] to high field [3 T May 1, 2024 · Pathology. ical utility of MRI for patients with SLAP tears is established, the best MRI strategy to use for these patients is not. Several studies have shown a range of diagnostic accuracy findings using differ-ent imaging protocols (MR arthrography [MRA] and unenhanced MRI) and MRI scanner strengths (low field [0. MATERIALS AND METHODS: The study involved 23 consecutive patients with a type 2, 3, or 4 SLAP tear at arthroscopy and 31 age-matched control patients with an arthroscopically normal or type 1 SLAP lesion. Magnetic resonance imaging (MRI) scans. The test helps to make a proper diagnosis to determine the extent of the tear. 0-T MRI. 2 T] to high field [3 T]) [6–10]. Google Scholar. 63 (63%) and 0. CT injectate Feb 7, 2023 · Subscapularis tears almost always (>90%) start as articular-sided partial-thickness tears superomedially and progress inferolaterally 1,4,5,7. Methods: Between 2006 and 2008, 444 patients Mar 1, 2019 · The LHBT is usually scanned from the proximal tear from anterior to posterior). It originates directly from the superior labrum adjacent to the bicipital labral complex and inserts onto the articular surface of the subscapularis tendon. Variation in study design, MRI methods, and lack of reliability among observers likely accounts for such a wide discrepancy [ 16 ]. Apr 13, 2016 · Studies investigating MRI and MR arthrography in diagnosing SLAP tears have reported sensitivity and specificity ranging from 66% to 98% and 13% to 89%, respectively [6, 7, 9, 20, 21, 23]. 2 High sensitivity and specificity for the detection of labral tears as Sep 17, 2018 · A histological study from more than a decade ago showed an increase in the number of SLAP lesions with increasing age. Oblique sagittal fat-suppressed MR arthrogram depicts a superior labral tear (arrow) extending into the posterior labrum causing complete separation of this structure from the glenoid rim (open Proper diagnosis requires the use of an MRI and an arthrogram for the surgeon or doctor to be able to see images of the deep section of the shoulder joint. Materials and Methods A comprehensive literature search was performed on the two main concepts of MR imaging (MR imaging, and direct and indirect MR arthrography) and Superior Labral Anteroposterior Tear: Classification and Diagnosis on MRI and MR Arthrography. Seven SLAP tears, six anterior labral tears, and two posterior labral tears were seen on MR arthrography but not on conventional MRI (Figs Abstract. They can extend into the tendon, involve the glenohumeral ligaments or extend into other quadrants of the labrum. CT arthrography has been reported to have 97. In: Resnick D, Kang HS, eds. MRI findings reported to be characteristic of SLAP lesions include increased signal in the labrum, with or without extension to the biceps anchor, and cleavage of the superior labrum [ 12 ]. Clockwise approach. Mar 22, 2019 · SHOULDER ARTHROGRAPHY . 0 Total Count 21 27 48 Expected count 21. The biceps tendon was intact. An additional conclusion was that 3T imaging, both with direct MR arthrography and conventional MRI, appears to have a higher diagnostic accuracy compared to 1. MRI and ultrasound demonstrated substantial agreement on the presence or absence of SLAP tears and grading of the tears. Common pathology. In this study, three full-thickness supraspinatus tendon tears and nine high-grade partial-thickness tears (> 50% of the supraspinatus tendon torn) were seen on MR arthrography but not on conventional MRI. 7 16. MRI scan: MRI scans conducted using a contrast agent, referred to as MRI arthrography, are more accurate than traditional MRI scans in detecting SLAP tears. When 3-T imaging is not available, 1. MATERIALS AND METHODS: From January 1995 to June 1998, MR arthrography of the shoulder was performed in 159 patients with a history of chronic shoulder pain or instability. Suprascapular nerve compression from a paralabral cyst may occur. MR arthrogram: The investigation of choice is an MR arthrogram, which is variably reported as having accuracies of 75-90%, although distinguishing between subtypes can be difficult. , San Diego, CA 92161. We present the normal anatomy of the glenoid labrum, biceps anchor and gleno-humeral The two when there are contraindications to performing MRI. This is the only sure way to May 1, 2024 · Pathology. Oct 26, 2023 · The study also concluded that overall, 3-Tesla (3T) imaging appears to improve diagnostic accuracy for SLAP tears compared with 1. They have been reported to have an accuracy ranging from 75% to 90% on average, although distinguishing between the subtypes tends to be difficult. If imaging is requested and indicated in such patients, non-arthrogram MRI imaging is performed initially, and if the non-contrast imaging does not provide a sufficient answer, an MR arthrogram could be considered at that point. 5-T MRI. Link, Google Scholar; 42. This correlated well with the findings on MRI: an isolated SLAP tear (Fig. Suggested MR arthrogram solution mixtures for fluoroscopic/CT guided injections ref: Jan 25, 2020 · Introduction. 1449. There are several technical reasons that we may miss these lesions on MRI. rotator cuff tear (full-thickness, partial-thickness) rotator cuff arthropathy. The diagnosis of SLAP tears is based on abnormalities in signal intensity and morphology (Figs. Jul 11, 2022 · Sublabral foramina are fairly frequent findings on MRI and might be found in up to 10-20% of normal patients 1,5,6. It is defined as a defect in the labral surface, intralabral surface or chondrolabral junction 10. 0 SLAP Oct 11, 2016 · Superior labral anteroposterior tears: accuracy and interobserver reliability of multidetector CT arthrography for diagnosis. Of note, although MR arthrography remains the technique of choice for evaluating SLAP lesions, US also showed some Abstract. 7% (24/28), positive predictive value 84. Introduction. When a dye is used, the test is called an MRI arthrogram. 12 ) . Several studies have shown a range of diagnostic accuracy findings using different imaging protocols (MR arthrography [MRA] and unenhanced MRI) and MRI scanner strengths (low field [0. SLAP tear type is determined by the anatomical location of the tear as well as the severity of its extension. MRI and especially MRI arthrogram (MRA) is a well-established imaging modality to characterise pathologies of the glenoid labrum. SLAP tears involve the superior glenoid labrum, where the long head of biceps tendon inserts. May 11, 2023 · INTRODUCTION. On MR arthrography, sensitivities and specificities compared with arthroscopy were as follows: anterior labral tear, 98% sensitivity and 100% specificity; posterior labral tear, 95% and 100%; SLAP tear, 98% and 99%; supraspinatus tendon tear, 100% and 100%; partial-thickness articular surface tear, 97% and 100%; and partial-thickness bursal Mar 20, 2020 · McGarvey et al [ 15] performed a meta-analysis to compare the diagnostic accuracy of rotator cuff tears using 3-T MRI versus 3-T MRA, which demonstrated that 3-T MRI appeared equivalent to 3-T MRA in the diagnosis of full- and partial-thickness tears. 0 48. Radiology 2011;260(1):207–215. 3% for SLAP lesions 4, which makes it comparable with MR arthrography and gives the possibility to examine the patients with contraindications to an MR examination. MRI can also be performed after an injection is not directly administered into the joint, via an indirect arthrogram . Click on image to enlarge. Crossref. Pathology SLAP tears involve the superior glenoid labrum, where the long head of biceps tendon insert Jan 26, 2021 · Therefore, magnetic resonance arthrogram (MRA), which is more sensitive and specific than plain MRI for the detection of suspected SLAP tears, is our preferred imaging modality [ 31 ]. MRI evaluation of SLAP lesions should include an assessment of the shape, morphology, and signal characteristics of the labrum, biceps tendon attachment, glenohumeral ligaments, rotator Objective To prospectively compare the accuracy of noncontrast magnetic resonance imaging (MRI) with indirect MR arthrography (I-MRa) of unexercised shoulders for diagnosis of superior glenoid labral lesions. The pathophysiology, clinical presentation May 8, 2024 · MR arthrogram solutions differ in different institutions, but will broadly contain a mixture of gadolinium, diluted with saline and iodinated contrast medium and/or local anaesthetic . The tear is confirmed on the arthroscopic video, which shows insertion of the probe beneath the bucket-handle tear, with the tear also involving the tendon of the long head of the biceps brachii muscle (2e). The superior labrum Jul 31, 2018 · Magnetic Resonance Imaging (MRI) has been useful in identifying SLAP lesion despite multiple anatomical variants , but MRI arthrogram remains the gold standard for imaging. Arthroscopic surgery. In May 17, 2022 · A type II SLAP tear was noted as demonstrated in Fig. e. This is a type of MRI scan which includes injecting the shoulder with a contrast fluid which highlights any tears, including the SLAP tear. Table 1. The anatomy of this region is complex. In summary, we suggest a tailored approach to MRI diagnosis of SLAP tears based on analysis of the biceps-labral complex, the extension of tears, and the associated lesions in other structures. 1 mL gadolinium. 3a, b, by probing and by an arthroscopic “peel-back” maneuver. It’s Oct 1, 2000 · Interpretation of computed tomographic and magnetic resonance arthrograms of the shoulder is complicated by normal variants of the labrum and glenohumeral ligaments. It features a similar appearance and needs to be differentiated from sublabral foramen and from type II SLAP lesion 5. Clockwise approach to labral pathology. There was a low negative predicitive value of MRI in our study, that was 0. Glenohumeral arthrography was described in 1933 when Oberholzer was studying capsular distortion secondary to shoulder dislocation. Sometimes abbreviated to MRA, which can be confused with MR angiography. Out of fifty nine patients, 25 patients had positive MR findings in conventional MRI, and 34 patients had negative MR findings, who underwent MR arthrography; 10 out of them had normal arthrogram (only 6 of them underwent arthroscopy), 22 had SLAP (superior labrum anterior to posterior) lesions, one had Bankart's lesion and one had internal impingement syndrome. Click here to watch. 5-T MRA is more cost-effective than 1. [1] During this time, he injected air into the shoulder joint to evaluate the structures, including the axillary recess, on a conventional radiograph. Resnick D. 0. The anteroinferior labrum was also found to be intact. Dec 11, 2022 · Superior labral anterior posterior (SLAP) tears are injuries of the glenoid labrum, and can often be confused with a sublabral sulcus on MRI. Aug 18, 2021 · An unenhanced 3-T MRI–based strategy is the most cost-effective imaging option for patients with suspected SLAP tear. 9. 5T, and with manoeuvres like longitudinal traction and ABER . 6% (22/23), specificity 85. The contrast material allows for clearer images of the tendons, ligaments and cartilage in the affected area. This is the only sure way to know whether you have a SLAP tear. sublabral sulcus: SLAP type II tears can appear similar to a normal sublabral sulcus or normal glenoid articular hyaline cartilage which extends beneath the labrum; the following features help distinguish a tear from the latter two 1,2 Mar 12, 2023 · Buford complex is a congenital glenoid labrum variant where the anterosuperior labrum is absent in the 1-3 o'clock position and the middle glenohumeral ligament is thickened (cord-like). 1. Mar 23, 2023 · An approximate upper age limit is 50 years old, after which time labral tears and arthropathy are more common. A fat suppressed axial T1-weighted MR arthrogram image demonstrates a Type VII SLAP lesion. Case provided courtesy of Eric Y. Methods: Between 2006 and 2008, 444 patients Mar 20, 2024 · anterior and posterior glenolabral injuries, SLAP lesion. Apart from that, CT is superior to MR in assessing bony structures, so Aug 18, 2021 · Although the clinical utility of MRI for patients with SLAP tears is established, the best MRI strategy to use for these patients is not. It is different from the superior sublabral sulcus or recess which can be found more superiorly underneath the long head biceps tendon origin 4. 0-T MRA and 3. Materials and Methods A comprehensive literature search was performed on the two main concepts of MR imaging (MR imaging, and direct and indirect MR arthrography) and Mar 23, 2023 · An MR arthrogram is an MRI performed after a joint is injected with a solution containing gadolinium. Jun 12, 2017 · Purpose To evaluate the diagnostic accuracies of nonenhanced magnetic resonance (MR) imaging and MR arthrography for diagnosis of superior labrum anterior-to-posterior (SLAP) tears by using a systematic review and meta-analysis. It’s used in X-rays, CT scans, or MRI scans to highlight areas of soft tissue damage. Suggested MR arthrogram solution mixtures for fluoroscopic/CT guided injections ref: MR arthrography of the shoulder is the most accurate imaging modality in demonstrating abnormalities of the glenoid labrum and associated structures. The entire tendon can be torn but the overlying superficial fascia and transverse humeral ligament can be intact. 5T imaging. Mar 26, 2023 · A superior sublabral sulcus is a frequent finding on MRI and can be found in more than 70% of cases 2,3. A systematic review in the MRI of the shoulder is essential since shoulder anatomy itself is rather complex, and pathologies and injury patterns are manifold and only rarely lead to an abnormality of a single structure but rather show diverse findings which might need to be addressed in further patient management. Seven SLAP tears, six anterior labral tears, and two posterior labral tears were seen on MR arthrography but not on conventional MRI (Figs The investigation of choice is an MR arthrogram, which uses fluoroscopy and SLAP-tear MRI images to specifically diagnose injuries in the joint structures. 5 mL longer-acting local anesthetic / 5 mL 0. 9% saline, however, its inclusion will enable the practitioner to assess joint distention and for extra-articular injection. 69 (69%) for rotator cuff tears and SLAP tears respectively, that shows that MRI should not be Jun 1, 2000 · PURPOSE: To compare the sensitivity and specificity of three magnetic resonance (MR) imaging signs for the diagnosis of superior labrum anterior-posterior (SLAP) tears. 3 10. Chronic injury is the most common cause of a SLAP tear. Shoulder. The superior labral tear (arrowheads), extends into the conjoined attachment of the superior and middle glenohumeral ligaments (arrow). Ultrasound and noncontrast MRI examinations are the primary modalities currently utilized to evaluate shoulder problems, especially rotator cuff tears. Radiology 2001; 218:127 –132. Soft tissues. The main driver of these results is the fact that 3-T MRI and 1. The latter is usually characterized by irregular contours that can extend posteriorly to the biceps tendon anchor 2 or May 31, 2021 · An MRI arthrogram might be requested to inspect the elements of the joint that may have been injured during physical activity or from wear and tear. Try it free! Feb 5, 2017 · The combination of findings were suggestive of a SLAP X tear and the findings were confirmed on arthroscopy. These methods have largely supplanted “conventional” arthrography in which radiographs are obtained following intraarticular contrast administration. Commonly used is a 1 in 200 dilution of gadolinium, i. [11] May 1, 2024 · Superior labral anterior posterior (SLAP) tears are injuries of the glenoid labrum, and can often be confused with a sublabral sulcus on MRI. Purpose: The purpose of this study was to evaluate the accuracy of magnetic resonance imaging (MRI) and magnetic resonance arthrography (MRA) in diagnosing superior labral anterior-posterior (SLAP) lesions. A small paralabral cyst (short arrow)arises posterosuperiorly from the superior labral tear. In part II we will discuss shoulder instability. Unlike Bankart lesions and ALPSA lesions, they are uncommonly (20%) associated with shoulder instability 5. MATERIALS AND METHODS: The MR arthrograms in 80 patients who underwent arthroscopy and MR arthrography during a 54-month period were retrospectively reviewed. Posterior dislocation and multidirectional instability may be associated with a posterior labral tear, reverse Bankart lesion or reverse Hill Sachs deformity ( Fig. MRI analysis in multiple planes and close attention to clinical history and mechanisms of injury are strongly recommended. Comparing indirect MR arthrography to conventional MRI in detecting SLAP lesions, Herold and colleagues found a higher sensitivity (91% vs. May 8, 2024 · capsular tears - HAGL/ GAGL. With the increasing use of hip arthroscopy in orthopedic surgery since the 1970s, pathologies of the acetabular labrum as a possible cause of May 1, 2023 · Typically, an MR arthrogram (MRA) is performed to evaluate the shoulder labrum. The superior labrum, rotator interval structures and the intra-articular portion of the long head of biceps tendon are some of the most difficult structures to evaluate by both MRI and arthroscopy. Oct 11, 2021 · CT arthrography. 6% (22/26) and the negative predictive value was 96% (24/25). 4). A special dye is injected into your shoulder before you have an MRI scan. Iodinated contrast medium can be substituted for 0. The sensitivity of MR Arthrogram was 95. The pathophysiology, clinical presentation Posterior labral pathology is uncommon, although superior labrum anterior–posterior (SLAP) tears may extend to this area. adhesive capsulitis. Nov 22, 2022 · A shoulder arthrogram is a technique that uses contrast dye to identify specific shoulder injuries. As these lesions became better defined and imaging quality improved there was an increase in diagnosis [ 16 ] and surgical treatment of slap lesions [ 6 , 17 ] until the Jun 30, 2023 · A SLAP lesion (Superior Labrum from Anterior to Posterior tear) generally occurs as result of overuse injury to the shoulder in overhead athletes or traumatic falls in older patients and can result in deep shoulder pain and biceps tendonitis. Assessment of deltoid and pectoralis muscles and the subcutaneous fat: pectoralis tear, lipoma. 85% Jun 1, 2000 · PURPOSE: To compare the sensitivity and specificity of three magnetic resonance (MR) imaging signs for the diagnosis of superior labrum anterior-posterior (SLAP) tears. The existence of SLAP tear on ultrasound and MR arthrogram SLAP Tear-ultrasound Total No tear Yes tear SLAP tear-MRI No tear Count 19 0 19 Expected count 8. 7 19. In part III we will focus on impingement and rotator cuff tears. SLAP lesions are difficult to diagnose as they are very similar to those of instability and rotator cuff disorders. calcific tendinitis. shoulder impingement. Sometimes, a special type of MRI, called an MRI arthrogram, is needed to see the SLAP tear. Jun 13, 2019 · Type 4 is a tear of the superior labrum extending into the biceps labral anchor. Less commonly, bursal-sided partial-thickness tears and/or interstitial delamination 1. May 21, 2012 · Introduction. The ultrasound assessment was performed prior to the intraarticular gadolinium injection and MRI exam. Then the doctor can look at the inside of your joint Feb 2, 2024 · Acetabular labral tear , as the name implies, is a tear involving the acetabular labrum of the hip. Materials and methods Institutional Review Board approval and patient informed consent were obtained for this prospective study. 1 mL in 20 mL 1. A paralabral cyst found on MRI is a diagnostic clue for a SLAP tear. The contrast given during the arthrogram can delineate the labrum well enough to identify SLAP tears and other labral pathologies. The superior labrum May 30, 2013 · Purpose Indirect magnetic resonance arthrography (I-MRA) confers significant logistical advantages over direct MRA and does not require articular injection. May 8, 2024 · Suggested MR arthrogram solution mixture for ultrasound-guided injections ref: 0. MR arthrograms were independently scored by three observers for the presence Feb 1, 2016 · The positive predictive value for SLAP tear was 0. Superior labral findings on shoulder MRI and unexercised I . 15. 73%), the same specificity (85% vs. 13 Importantly, however, the clinical age Jan 1, 2001 · PURPOSE: To determine the reliability and accuracy of magnetic resonance (MR) arthrography for the diagnosis of superior labral anterior posterior (SLAP) tears. D. On MR arthrography, high signal can be seen extending into the superior labrum and possibly into the Fig. 18 and 19 ). All authors: Department of Radiology, Veterans Affairs Medical Center and University of California, San Diego, 3350 La Jolla Village Dr. 1 In 2012, Smith showed higher sensitivity for MRA compared with MRI for the detection of glenohumeral disorders. Sep 22, 2016 · In recent years, there has been surge in routine use of magnetic resonance arthrography (MRA) over magnetic resonance imaging (MRI) for the diagnosis of shoulder injuries. 3% accuracy for detecting Bankart lesions and 86. An arthrogram also refers to the procedure of Dec 11, 2022 · Pathology. It might be also confused with a type II SLAP lesion or an anterior labral tear 3. However, it only compared the effectiveness between 3. PubMed. MR-arthrography and CT-arthrography yield comparable results for the detection and classification of sublabral recesses, SLAP, and full thickness rotator cuff tears Ways to diagnose a SLAP tear include: A series of tests in which your doctor moves your shoulder joint around to see which movements are causing your pain. Diagnosis generally requires MRI studies to assess the superior labrum and the integrity of the biceps MR is the best imaging modality to examen patients with shoulder pain and instability. Chang, M. In Shoulder MR-Part I we will focus on the normal anatomy and the many anatomical variants that may simulate pathology. There are two types of labral tears: SLAP tears and Bankart lesions. 9 mL 0. A superior sublabral recess is located at the 12 o'clock position and represents a normal recess between the superior labrum and the cartilage of the glenoid cavity. 3 29. Jan 12, 2022 · SLAP tears have three causes: Chronic injury. Ital J Orthop Traumatol 1992;18(3 MRI. Oct 11, 2016 · Abstract. Fifty-two patients underwent arthroscopy or open surgery 12 Apr 7, 2022 · Within musculoskeletal radiology, arthrography has served as an essential technique for close to 100 years. MR arthrography has shown better diagnostic accuracy of SLAP tears when comparing 3T to 1. Superior labrum anterior to posterior (SLAP) tear refers to a specific injury of the superior portion of the glenoid labrum that extends from anterior to posterior in a curved fashion. Conclusion: MR Arthrogram is a useful technique for the diagnosis and preoperative planning of suspected SLAP lesions. Received March 13, 2003; accepted after revision June 6, 2003. What Is An Arthrogram? Jun 25, 2019 · In a study of 20 athletes by Magee and colleagues, MR arthrography detected 9 labral tears that were not seen on conventional MRI, 6 of which were SLAP lesions . AJR:181, December 2003. 5-T MRA are the most specific tests in these respective scenarios, which May 8, 2024 · capsular tears - HAGL/ GAGL. Gain confidence evaluating Shoulder Arthrography & earn CME. 5T MRI. 0 Yes tear Count 2 27 29 Expected count 12. Your doctor will make small cuts, called incisions, in your shoulder. CT arthrography and arthroscopy in chronic glenohumeral joint instability. Retrospective review of images from 161 multidetector CT arthrographic examinations was Aug 4, 2012 · Objectives The aim of this study was to determine the accuracy and reliability of shoulder magnetic resonance (MR) arthrography with three-dimensional (3D) isotropic intermediate-weighted turbo spin-echo (TSE) sampling perfection with application-optimised contrasts using different flip angle evolution (SPACE) in the diagnosis of superior labrum anterior-to-posterior (SLAP) lesions compared In this study, three full-thickness supraspinatus tendon tears and nine high-grade partial-thickness tears (> 50% of the supraspinatus tendon torn) were seen on MR arthrography but not on conventional MRI. Jan 8, 2016 · This fact highlights the important role of radiology in the assessment of shoulder instability using either MR-arthrography or computed tomography arthrography (CT-arthrography). Interact with scrollable cases & watch microlearning videos with MRI Online. rotator cuff tears (prior repair) Procedure. 2 In 2012, Li and colleagues concluded that MRA had superior accuracy for detection of anterior labral tears Apr 20, 2016 · MRI and MR arthrography have been shown to be highly accurate in the detection of rotator cuff and labral pathology. This is made possible through the injection of a contrast dye before the test. 1 A previous study demonstrated 98% sensitivity and 96% specificity for MRI detection of full-thickness rotator cuff tears, as compared with arthroscopy. An MRI scan can show soft tissues, like the labrum, better than an X-ray. A sublabral foramen is located at the 2 o'clock position and Sep 1, 2011 · MRI and MR arthrography play key roles in the noninvasive diagnosis of SLAP tears, particularly because clinical assessment of these lesions remains limited . In this study, we determined the diagnostic performance of I-MRA in relation to conventional MRI and arthroscopy or surgery in detecting tears of the glenoid labrum, including Bankart lesions and superior labral antero-posterior (SLAP SLAP tears tend to be identified best on MRI when the study is performed with an arthrogram. Oblique coronal T1-weighted fat-saturated image following intravenous administration of gadolinium demonstrates well-defined linear enhancement within the superior labrum, representing a SLAP lesion ( arrows ). SLAP tears can happen over time in people who play sports or do exercise that requires lots of overhead motion. May 8, 2024 · MR arthrogram solutions differ in different institutions, but will broadly contain a mixture of gadolinium, diluted with saline and iodinated contrast medium and/or local anesthetic . Aug 17, 2020 · Care must be taken to not confuse SLAP tears with a sublabral foramen or sublabral recess. Diagnosis. The MR arthrograms (coronal T1 fat sat sequences) were evaluated separately for a SLAP tear using the same grading as ultrasound. This test is performed by injecting dye into your shoulder before the scan is taken. These tears are common in overhead throwing athletes and laborers involved in overhead activities. 2 SLAP lesion and partial rotator cuff tear demonstrated with indirect MR arthrogram. A Clockwise approach to the labrum is the easiest way to diagnose labral tears and to differentiate them from normal labral variants. yi nc lf jw pe lk zg fi jn li