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Goes PK, Flores DV, Damer A, Huang BK. Shoulder and Elbow Injuries in Adult Overhead Throwers: Imaging Review. Radiographics 2023; 43:e230094. [PMID: 37917538 DOI: 10.1148/rg.230094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2023]
Abstract
Overhead throwing, particularly in baseball, subjects the shoulder and elbow to various unique injuries. Capsular contracture following repetitive external rotation shifts the humeral head posterosuperiorly, predisposing to glenohumeral internal rotation deficit (GIRD), Bennett, posterosuperior internal impingement (PSI), and superior labrum anterior-posterior (SLAP) lesions. GIRD represents loss of internal rotation at the expense of external rotation. Bennett lesion represents ossification of the posteroinferior glenohumeral ligament due to repetitive traction. PSI manifests with humeral head cysts and "kissing" tears of the posterosuperior cuff and labrum. Scapular dysfunction contributes to symptoms of PSI and predisposes to labral or rotator cuff disease. "Peel-back" or SLAP lesions occur when torsional forces detach the biceps-labral anchor from the glenoid. Finally, disorders of the anterior capsule, latissimus dorsi, teres major, and subscapularis are well recognized in overhead throwers. At the elbow, injuries typically involve the medial-sided structures. The ulnar collateral ligament (UCL) is the primary static restraint to valgus stress and can be thickened, attenuated, ossified, and/or partially or completely torn. Medial epicondylitis can occur with tendinosis, partial tear, or complete rupture of the flexor-pronator mass and can accompany UCL tears and ulnar neuropathy. Posteromedial impingement (PMI) and valgus extension overload syndrome are related entities that follow abundant valgus forces during late cocking or acceleration, and deceleration. These valgus stresses wedge the olecranon into the olecranon fossa, leading to PMI, osteophytes, and intra-articular bodies. Other osseous manifestations include olecranon stress fracture and cortical thickening of the humeral shaft. ©RSNA, 2023 Quiz questions for this article are available in the supplemental material.
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Affiliation(s)
- Paola Kuenzer Goes
- From the Division of Musculoskeletal Radiology, Laboratorio Delboni Auriemo, DASA Diagnostic Imaging, São Paulo, Brazil (P.K.G.); Department of Radiology, Radiation Oncology and Medical Physics, Faculty of Medicine, University of Ottawa, Ottowa, Ontario, Canada (D.V.F., A.D.); Department of Medical Imaging, The Ottawa Hospital, 501 Smyth Rd, Ottawa, ON, Canada K1H 8L6 (D.V.F.); Ottawa Hospital Research Institute, Ottawa, Ontario, Canada (D.V.F.); and Department of Radiology, Division of Musculoskeletal Imaging and Intervention, University of California San Diego Medical Center, San Diego, Calif (B.K.H.)
| | - Dyan V Flores
- From the Division of Musculoskeletal Radiology, Laboratorio Delboni Auriemo, DASA Diagnostic Imaging, São Paulo, Brazil (P.K.G.); Department of Radiology, Radiation Oncology and Medical Physics, Faculty of Medicine, University of Ottawa, Ottowa, Ontario, Canada (D.V.F., A.D.); Department of Medical Imaging, The Ottawa Hospital, 501 Smyth Rd, Ottawa, ON, Canada K1H 8L6 (D.V.F.); Ottawa Hospital Research Institute, Ottawa, Ontario, Canada (D.V.F.); and Department of Radiology, Division of Musculoskeletal Imaging and Intervention, University of California San Diego Medical Center, San Diego, Calif (B.K.H.)
| | - Alameen Damer
- From the Division of Musculoskeletal Radiology, Laboratorio Delboni Auriemo, DASA Diagnostic Imaging, São Paulo, Brazil (P.K.G.); Department of Radiology, Radiation Oncology and Medical Physics, Faculty of Medicine, University of Ottawa, Ottowa, Ontario, Canada (D.V.F., A.D.); Department of Medical Imaging, The Ottawa Hospital, 501 Smyth Rd, Ottawa, ON, Canada K1H 8L6 (D.V.F.); Ottawa Hospital Research Institute, Ottawa, Ontario, Canada (D.V.F.); and Department of Radiology, Division of Musculoskeletal Imaging and Intervention, University of California San Diego Medical Center, San Diego, Calif (B.K.H.)
| | - Brady K Huang
- From the Division of Musculoskeletal Radiology, Laboratorio Delboni Auriemo, DASA Diagnostic Imaging, São Paulo, Brazil (P.K.G.); Department of Radiology, Radiation Oncology and Medical Physics, Faculty of Medicine, University of Ottawa, Ottowa, Ontario, Canada (D.V.F., A.D.); Department of Medical Imaging, The Ottawa Hospital, 501 Smyth Rd, Ottawa, ON, Canada K1H 8L6 (D.V.F.); Ottawa Hospital Research Institute, Ottawa, Ontario, Canada (D.V.F.); and Department of Radiology, Division of Musculoskeletal Imaging and Intervention, University of California San Diego Medical Center, San Diego, Calif (B.K.H.)
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Kwiecien GJ, Logli AL, Brault J, Rizzo M. Calcific Tendinitis of the Proximal Flexor Carpi Radialis in a Throwing Athlete. JOURNAL OF HAND SURGERY GLOBAL ONLINE 2022; 5:69-72. [PMID: 36704383 PMCID: PMC9870810 DOI: 10.1016/j.jhsg.2022.10.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 10/14/2022] [Indexed: 12/04/2022] Open
Abstract
Flexor carpi radialis tendinitis is a condition that almost exclusively affects the distal aspect of the tendon where it lies in a tight fibro-osseous tunnel. Tendinitis of the proximal aspect of the tendon at its myotendinous junction is extremely rare. Herein, we present a single case of calcific tendinitis of the flexor carpi radialis tendon at its myotendinous junction in a throwing athlete. Diagnostic challenges and treatments are discussed.
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Affiliation(s)
- Grzegorz J. Kwiecien
- Department of Plastic and Reconstructive Surgery, Cleveland Clinic, Cleveland, OH,Corresponding author: Grzegorz J. Kwiecien, MD, Department of Plastic and Reconstructive Surgery, Cleveland Clinic, 9500 Euclid Ave. A-60, Cleveland, OH 44195.
| | | | - Jeffrey Brault
- Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN
| | - Marco Rizzo
- Division of Hand Surgery, Mayo Clinic, Rochester, MN
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Four-dimensional computed tomography evaluation of shoulder joint motion in collegiate baseball pitchers. Sci Rep 2022; 12:3231. [PMID: 35217693 PMCID: PMC8881615 DOI: 10.1038/s41598-022-06464-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 01/24/2022] [Indexed: 11/08/2022] Open
Abstract
The purpose of this study is to evaluate the glenohumeral contact area, center of glenohumeral contact area, and center of humeral head during simulated pitching motion in collegiate baseball pitchers using four-dimensional computed tomography (4D CT). We obtained 4D CT data from the dominant and non-dominant shoulders of eight collegiate baseball pitchers during the cocking motion. CT image data of each joint were reconstructed using a 3D reconstruction software package. The glenohumeral contact area, center of glenohumeral contact area, center of humeral head, and oblateness of humeral head were calculated from 3D bone models using customized software. The center of glenohumeral contact area translated from anterior to posterior during maximum external rotation to maximum internal rotation (0.58 ± 0.63 mm on the dominant side and 0.99 ± 0.82 mm on the non-dominant side). The center of humeral head translated from posterior to anterior during maximum external rotation to maximum internal rotation (0.76 ± 0.75 mm on the dominant side and 1.21 ± 0.78 mm on the non-dominant side). The increase in anterior translation of the center of glenohumeral contact area was associated with the increase in posterior translation of the center of humeral head. Also, the increase in translation of the center of humeral head and glenohumeral contact area were associated with the increase in oblateness of the humeral head. 4D CT analyses demonstrated that the center of humeral head translated in the opposite direction to that of the center of glenohumeral contact area during external rotation to internal rotation in abduction in the dominant and non-dominant shoulders. The oblateness of the humeral head may cause this diametric translation. 4D CT scanning and the software for bone surface modeling of the glenohumeral joint enabled quantitative assessment of glenohumeral micromotion and be used for kinematic evaluation of throwing athletes.
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Powell GM, Murthy NS, Johnson AC. Radiographic and MRI Assessment of the Thrower's Elbow. Curr Rev Musculoskelet Med 2021; 14:214-223. [PMID: 33864627 PMCID: PMC8137781 DOI: 10.1007/s12178-021-09702-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/24/2021] [Indexed: 11/28/2022]
Abstract
PURPOSE OF REVIEW Throwing athletes are vulnerable to elbow injuries, especially in the medial elbow, related to high stress and valgus load in both acute and chronic settings as a result of this complex biomechanical action. This current review details the relevant anatomy and imaging features of common elbow pathology identified with radiographs and MRI in throwing athletes. RECENT FINDINGS Although elbow pathology in throwing athletes is well documented, advances in imaging technology and technique, particularly with MRI, have allowed for more detailed and accurate imaging description and diagnosis. Pathology of thrower's elbow occurs in predictable patterns and can be reliably identified radiologically. Clinical history and physical examination should guide radiologic evaluation initially with radiographs and followed by an MRI optimized to the clinical question. Constellation of clinical, physical, and radiologic assessments should be used to guide management.
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Affiliation(s)
- G. M. Powell
- Department of Radiology, Mayo Clinic, 200 First St. SW, Rochester, MN 55905 USA
| | - N. S. Murthy
- Department of Radiology, Mayo Clinic, 200 First St. SW, Rochester, MN 55905 USA
| | - A. C. Johnson
- Department of Radiology, Mayo Clinic, 200 First St. SW, Rochester, MN 55905 USA
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Porrino J, Wang A, Taljanovic M, Stevens KJ. Comprehensive Update of Elbow Magnetic Resonance Imaging. Curr Probl Diagn Radiol 2020; 50:211-228. [PMID: 32561154 DOI: 10.1067/j.cpradiol.2020.04.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 04/14/2020] [Indexed: 11/22/2022]
Abstract
We present a comprehensive update of elbow magnetic resonance imaging, detailing the complex anatomy and pathology of the elbow. A variety of pathologies may affect the elbow joint, and many of the symptoms overlap. As such, magnetic resonance imaging of the elbow serves as an invaluable clinical tool for the clinician in the diagnosis and management of patients presenting with elbow pain.
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Affiliation(s)
- Jack Porrino
- Yale University, Radiology and Biomedical Imaging, New Haven, CT.
| | - Annie Wang
- Yale University, Radiology and Biomedical Imaging, New Haven, CT
| | - Mihra Taljanovic
- Department of Medical Imaging, The University of Arizona, College of Medicine, Tucson, AZ
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