Shoulder Trauma
A 72-year-old female with osteoporosis presents after a fall onto her outstretched hand. Radiographs reveal a displaced four-part proximal humerus fracture with the humeral head rotated 180 degrees and lying adjacent to the shaft. CT scan confirms the articular segment is completely detached with no soft tissue attachments. Regarding the Neer classification and humeral head fractures:
Mark each as TRUE or FALSE
The Neer classification divides the proximal humerus into four parts: articular segment (humeral hea...
Head-split fractures involve the articular surface of the humeral head in the coronal or sagittal pl...
Four-part fractures rarely develop AVN because the humeral head receives blood supply from multiple ...
AVN risk in proximal humerus fractures increases with: fracture displacement (four-part greater than...
Indications for arthroplasty include: displaced four-part fractures in elderly patients, head-split ...
Answer the questions to see explanations
Click T (True) or F (False) for each option