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Case of the Week 498 
What is the most likely diagnosis?
- 41 year-old with chronic pain in wrist
Frontal Radiograph of the Wrist
- Rheumatoid arthritis
- Osteoarthritis
- Lunate fracture
- Scapholunate advanced collapse
- Avascular necrosis of scaphoid
Additional Image-Oblique radiograph of the wrist
Additional Images
Oblique radiograph of the wrist
Answer:
5. Avascular necrosis of scaphoid
More (Click Discussion Tab)
Avascular necrosis of scaphoid
General Considerations
- Scaphoid is the bone of the wrist most frequently fractured
- Most often is adults aged 15-60
- Some 10% of scaphoid fractures have associated fractures of other bones
- Most frequently radial styloid, but also triquetrum, capitate and perilunate fracture-dislocations
- About 70% involve the waist of the scaphoid, 10-20% the distal pole and 5-10% the proximal pole in adults
- In children, the tubercle is most often fractured
MORE . . .
.
This Week
41 year-old with chronic pain in wrist |
Presented as a series of cards, this podcast asks some of the most common causes of neuroimaging findings and diseases making it ideal for a quick review. Can be used as either an audio only or audio/video podcast.; Complements Video Flashcard Podcasts 15, 21,25, 38, 42, 46 and 47. |
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. |
