Drs. Lake, Wang, Cheng and Resnick provide a comprehensive discussion of anatomical variants and pathology that may be found at and adjacent to the superior labrum of the shoulder.
Acromial Stress Fractures After Shoulder Decompression Surgery
Dr. Stephen Quinn discusses an uncommon and under-reported cause of post-operative shoulder pain.
Shoulder Cysts
Dr. Phillip Tirman discusses the MR appearance of a subset of shoulder abnormalities with varied clinical presentations.
Scapular Winging
An 18-year-old was involved in a motor vehicle accident 8 weeks prior. He reports pain and weakness with deformity of the scapula. MRI was performed to assess for muscle tear or other injury. Initial radiograph frontal radiograph (1a) performed 4 weeks prior to the MRI. Coronal T2 fat-suppressed image provided (1b).
Tissue Delamination
A 66 year-old man presents with persistent right shoulder pain, accompanied by painful clicking. (1A,B) T2-weighted fat-suppressed coronal MR images of the right shoulder are provided. What are the findings? What is your diagnosis?
Vaccine-related Shoulder Injury
A 64-year-old male complains of shoulder pain and limited range of motion for six weeks after an influenza vaccination. Fat-suppressed T2-weighted coronal (1A) and proton density-weighted axial (1B) images of the left shoulder are provided.
Off-track Shoulder Lesions
A 36 year-old female with a history of shoulder instability and prior surgery presents after suffering a recurrent dislocation. (1A) T1-weighted coronal, and (1B,C) fat-suppressed proton density-weighted axial and sagittal images are provided.
Myxoid Soft-Tissue Neoplasms
A 57-year-old female patient presents for MR imaging with a history of mass at the lateral aspect of her shoulder for 1.5 years, evaluate for lipoma.
Adhesive Capsulitis of the Shoulder
A 48 year-old female presents with right shoulder stiffness and pain for 3 months with no known injury and no relief with ice, rest, and NSAIDs. Coronal fat-suppressed T2-weighted (1A and 1C), sagittal T2-weighted (1B), and coronal T1-weighted (1D) images are provided.
Elastofibroma Dorsi
A 79 year-old female noticed a painless mass along the inferior scapula, present for several months. Axial T1-weighted (1a), coronal T2-weighted (1b), sagittal T1-weighted (1c), and fat-suppressed sagittal T2-weighted (1d) images are provided.
Chondrolysis of the Glenohumeral Joint
A 48 year-old female presents with right shoulder pain and limited range of motion for 5 months and no known injury. (1A) Fat-suppressed T2-weighted coronal and (1B) fat-suppressed proton density-weighted axial images are provided.
Parsonage-Turner Syndrome
In this month’s Radsource MRI Web Clinic, Dr. Thomas Hash discusses an entity that has variable clinical presentations in which MRI can provide critical guidance for patient care.
Flexor Carpi Radialis Tendinopathy
A 51-year-old male with chronic wrist pain felt a sudden pop and acute pain exacerbation while lifting a heavy object. Axial and coronal fat-suppressed proton density-weighted and two sagittal T2-weighted MR images are provided.
Scheuermann’s Disease
A 14 year-old male complains of back pain during exercise. A sagittal T2-weighted view of the thoracic spine is provided.
Pathology of the Teres Minor
A professional football player presents with posterior shoulder pain following a fall onto the anterior shoulder during a game. T2-weighted sagittal (1A), fat-suppressed proton density-weighted axial (1B,C) and fat-suppressed T2-weighted coronal images (1D) are provided.
Acromioclavicular Trauma in the Skeletally Immature Patient
An 11 year-old boy presents with shoulder pain after a fall from a tree. T1-weighted (1a) and T2-weighted (1b) coronal oblique fat-suppressed images, and a fat-suppressed T2-weighted (1c) axial image through the left shoulder are provided.
Atypical Scan Angles in Musculoskeletal MRI
In the March 2017 Radsource MRI Web Clinic, Drs. Leon Toye and Nabeel Anwar discuss the utility of non-orthogonal imaging planes in the evaluation of the musculoskeletal system.
MR Imaging of Rheumatoid Arthritis
A 47 year-old woman presents with polyarthralgias and morning stiffness.
Posterior Glenohumeral Instability
A 72 year-old male presents with severe left shoulder pain and limited motion following a fall 10 days earlier.
Acromial Apophysiolysis
A 16 year-old female presents with shoulder pain and stiffness for 2 months. The pain started when she increased her softball activities and overhead weightlifting.
Intraosseous Pneumatocyst
A 50 year-old man was involved in a motor vehicle accident with complaints of shoulder and neck pain.
Subcoracoid Bursa
A 35 year-old female presents with shoulder pain after injuring her shoulder lifting a gate.
Pathology of the Long Head of the Biceps Tendon
Clinical History: A 68 year-old male presents with a 2 month history of pain and limited range of motion. Coronal oblique T2-weighted fat-suppressed (1a,1b), axial proton density-weighted fat-suppressed (1c), and sagittal oblique T2-weighted FSE (1d) images are...
Rotator Cuff Pitfalls
Clinical History: An orthopaedic surgeon requests an over-read of a pre-operative MRI that was presumed to be false positive, as no rotator cuff tear was found at surgery. The patient is a 54 year-old male who experienced shoulder pain following a pulling injury....
Acute Musculotendinous Tears of the Latissimus Dorsi and Teres Major
Clinical History: A 20 year-old professional baseball pitcher presents with axillary pain. (1a) Oblique coronal fat suppressed T2-weighted and (1b) sagittal T2-weighted and (1c) axial fat suppressed proton density-weighted images are provided. What are the findings?...
Acromioclavicular Joint Trauma
Clinical History: A 28 year-old male complains of shoulder pain after falling while playing ultimate Frisbee. A (1a) fat-suppressed T2-weighted coronal oblique image through the plane of the acromioclavicular joint and a (1b) fat-suppressed T2-weighted coronal oblique...
Glenohumeral Instability
Clinical History: A 30 year old male with shoulder pain and instability. Fat-suppressed (1a) axial proton density and (1b) T2-weighted oblique coronal images are provided. What are the findings? What is your diagnosis? Findings Diagnosis...
Hydroxyapatite Deposition Disease
Clinical History: A 48 year-old female presents with pain in the left shoulder with reduced range of motion. (1a) A coronal oblique T2-weighted fat-suppressed image and (1b) an axial T2-weighted image are provided. What are the findings? What is the diagnosis? [figure...
Os Acromiale
Clinical History: A 28 year-old male with persistent shoulder pain and limited range of motion presents for MR imaging. (1a) T1-weighted coronal and (1b) fast spin echo T2-weighted sagittal images are provided. What are the findings? What is your diagnosis? [figure...
Partial Rotator Cuff Tears
Clinical History: A 53 year-old female presents with shoulder pain. A fat-suppressed coronal T2-weighted image (1a) and sagittal T2-weighted image (1b) are provided. What are the findings? What is your diagnosis? Findings Diagnosis...
Pectoralis Tear
Clinical History: A 26 year-old male was injured while bench-pressing. (1a) Coronal oblique T2-weighted fat-suppressed and (1b) axial proton density-weighted fat-suppressed images are provided. What are the findings" What is your diagnosis? Findings...
Internal Impingement
Clinical History: A 22 year-old professional baseball pitcher presents with persistent posterior shoulder pain after throwing. A fat suppressed T2-weighted oblique coronal image (1a) and a gradient echo T2*-weighted axial image (1b) are provided. What are the...
POLPSA Lesion
Clinical History: A 37 year-old male presents with shoulder discomfort, particularly in adduction and mild internal rotation. A fat suppressed proton density-weighted axial image (1a) is provided. What are the findings? What is your diagnosis? Findings...
Adhesive Capsulitis
Clinical History: 54-year-old female with decreased range of motion and right shoulder pain increasing over the last 2 months. (1a) Sagittal T2-weighted and (1b) Coronal fat-suppressed T2-weighted images of the right shoulder are provided. What are the findings? What...
Lesser Tuberosity Avulsion Fracture
Clinical History: A 14 year old water polo player presents with chronic anterior shoulder pain. Axial proton density (1a) and oblique sagittal (1b) T1-weighted images are submitted for review. What are the findings? What is your diagnosis? Findings...
HAGL Lesion
Clinical History: A 28 year-old male sustained a shoulder injury while playing hockey. (1a) Fat-suppressed T2-weighted coronal-oblique and (1b) fat-suppressed proton density-weighted axial images are provided. What are the findings? What is your diagnosis? [figure...
Rotator Cuff Tear with Biceps Tendon Dislocation
Clinical History: A 52 year old man presents with chronic shoulder pain. Oblique coronal fat-suppressed T2-weighted (1a) and axial fat-suppressed proton density-weighted (1b) images are provided. What are the findings? What is your diagnosis? ...
Suprascapular Nerve Entrapment
Clinical History: 35 year-old male weight-lifter with shoulder pain. T1-weighted coronal (1a) and T2-weighted fat-suppressed coronal (1b) and sagittal (1c) images are provided. What is your diagnosis? Findings Diagnosis Entrapment of the...
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