Kienböck Disease
Avascular necrosis of lunate; affects young adults, more in men. Risk factors: negative ulnar variance, trauma, vascular anomalies. Lichtman staging I–IV guides management. Symptoms: chronic dorsal wrist pain, stiffness, grip weakness. Treatment: Stage I—immobilization; II—revascularization procedures; III—capitate shortening/limited fusion; IV—proximal row carpectomy or arthrodesis.
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10What is the primary cause of Kienböck disease?
mcqAt what age range is Kienböck disease most commonly diagnosed?
mcqWhich of the following is a risk factor associated with Kienböck disease?
mcqIn Lichtman staging, what is the management option for Stage I Kienböck disease?
mcqWhat radiological finding is characteristic of Stage II Kienböck disease?
mcqWhat symptom is most commonly associated with Kienböck disease?
mcqIn which stage of Kienböck disease does fixed scaphoid rotation develop?
mcqWhat is the recommended treatment for Stage IV Kienböck disease?
mcqWhat is the main blood supply to the lunate?
mcqWhich surgical procedure is often performed in patients with negative ulnar variance and Kienböck disease?