Posts Categorized: Shoulder

She really put her shoulder into moving that desk

This 59-year-old female presents with left shoulder pain. The pain began three years earlier after moving a heavy desk, and has progressively worsened even after physical therapy. There is also limited range of motion. Have a look at the highlighted regions of images 1 through 7, and see if you can identify the potential cause of… Read more »

His villi were filled with fronds

This 60­-year­-old male presents with left shoulder pain. The key areas of focus in this case have been highlighted. Q1 – What is the most likely diagnosis of the intraarticular mass? For clues, you can also check out this case: Upon checking out the joint, we found lots of bodies   A1 – Lipoma arborescens…. Read more »

When one projection just isn’t enough

This 53-year-old male patient presents with pain and catching of the right shoulder when lifting the arm above the head. You are shown proton density fat suppression sequences using STIR short T1 inversion recovery in the coronal and sagittal projections. The patient has a rotator cuff tear. Q1 – Is the tear full thickness? Look at the… Read more »

It’s as if her shoulder was “frozen”

This 40-year-old female presents with right shoulder pain that started two weeks prior. There is no known source of injury. Movement has limited range, and there have been no injections or physical therapy. Q1 – What are the primary abnormal features of this case? Q2 – Which common diagnosis could be easily misdiagnosed in this… Read more »

What can happen when you combine a 33-year-old shoulder with weight lifting?

This 33-year-old weight lifter presents with anterior shoulder pain and popping. Q1 – Using images 1 through 4, what are the imaging findings? Q2 – What intraarticular AC joint pathology is most likely?   A1 – The diagnosis is clavicular osteolysis. Osteolysis of the clavicle more commonly affects younger adult males (mid 30s). MRI imaging characteristics include… Read more »

Be kind to your AC joint. It can only take so much.

Many of us have experienced pain in the shoulder. It is often attributed to some deep-seated joint abnormality, and we wonder if it is the dreaded rotator cuff tear. However, one of the most common causes of shoulder pain is premature degeneration from overuse of the acromioclavicular (AC) joint, the so-called “joint on top”. If… Read more »

|MRI Online| Master the Shoulder – Rotator Cuff Review

Colleagues, If you are looking for somewhere to start with our video series, MRI Online, the Shoulder series is a great choice. It’s short, it’s accessible and you’ll be able to put the learnings into practice right away. We will revisit the shoulder in additional series later this year, so stay tuned. The Shoulder series starts… Read more »

Can you classify this shoulder injury?

This 17-year-old presents with acromioclavicular (AC) separation. How do we classify shoulder injuries in young adults at ProScan?   Image 1 (green line) indicates a measured distance 11mm between the acromion and clavicle (normal in males is 7mm; females is 6mm). Note edema surrounds the clavicle. No microtrabecular fracture.   Injury is classified according to… Read more »

What is the cartilage telling us?

This 61-year old woman presents with weakness, limited range of motion, and pain of the left shoulder. No history of recent injury is present. Q1 – With regard to the bone lesion, which of the following findings is present in the MRI study? (a) Perilesional osseous edema (b) Rim of sclerosis (c) Cartilaginous matrix (d)… Read more »

Don’t mix up the primary and secondary forms of this disorder

This 53-year-old male presents with popping and pain on top of the left shoulder with decreased range of motion. You are shown five images: a coronal T1 (image 1), coronal T2 (images 2, 4), and a sagittal T2 turbo spin echo SPAIR or fat-suppression sequence (images 3, 5). Images 4 and 5 are duplicates of… Read more »