question archive A 61-year-old woman fell on her outstretched right hand when she slipped on the ice

A 61-year-old woman fell on her outstretched right hand when she slipped on the ice

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A 61-year-old woman fell on her outstretched right hand when she slipped on the ice. She complained of pain and swelling of her wrist and was transported to the emergency room of a nearby medical center. The following observations were noted during the physical examination: pain-limited range of motion assessment, swollen wrist, no open wounds, unremarkable neurovascular assessment. Imaging studies revealed a fracture of the distal third of the radius with disruption of the distal radioulnar joint. 

 

1)What is the relevant anatomy of the distal radioulnar joint?

2)Which nerves may be injured in this type of fracture?

3)Repair of the fracture and the TFC complex is dependent on an intact arterial supply. What is the arterial supply of the distal radius and the distal radioulnar joint?

4)A normal radial pulse was noted during the physical examination. What are the anatomical relationships of the radial artery where its pulse is detected in the distal forearm?

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