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Case of the Week 583 
What is the most likely diagnosis?
- 51 year-old fell on outstretched arm
Frontal Radiograph of Right Shoulder
- Anterior Dislocation
- Posterior Dislocation
- Inferior Dislocation
- Superior Dislocation
- Acromioclavicular Separation
Additional image - None
Additional Images
None
Answer:
3. Inferior Dislocation
More (Click Discussion Tab)
Inferior Dislocation
Types of dislocations about the shoulder
- Glenohumeral dislocation (the most common by far)
- Acromioclavicular dislocation (12%)
- Sternoclavicular dislocation (uncommon)
Types of glenohumeral dislocations
- Inferior shoulder dislocation (1-2%)
- Luxatio erecta ─ uncommon form of shoulder dislocation
- Extremity held over head in fixed position with elbow flexed
MORE . . .
.
This Week
51 year-old fell on outstretched arm |
Some of the fundamentals of interpreting chest images |
The top diagnostic imaging diagnoses that all medical students should recognize according to the Alliance of Medical Student Educators in Radiology |
Recognizing normal and key abnormal intestinal gas patterns, free air and abdominal calcifications |
Recognizing the parameters that define a good chest x-ray; avoiding common pitfalls |
How to recognize the most common arthritides |
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| LearningRadiology.com |
is an award-winning educational website aimed primarily at medical students and radiology residents-in-training, containing lectures, handouts, images, Cases of the Week, archives of cases, quizzes, flashcards of differential diagnoses and “most commons” lists, primarily in the areas of chest, GI, GU cardiac, bone and neuroradiology. |
