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.
What is the primary cause of Kienböck disease?
At what age range is Kienböck disease most commonly diagnosed?
Which of the following is a risk factor associated with Kienböck disease?
In Lichtman staging, what is the management option for Stage I Kienböck disease?
What radiological finding is characteristic of Stage II Kienböck disease?
What symptom is most commonly associated with Kienböck disease?
In which stage of Kienböck disease does fixed scaphoid rotation develop?
What is the recommended treatment for Stage IV Kienböck disease?
What is the main blood supply to the lunate?
Which surgical procedure is often performed in patients with negative ulnar variance and Kienböck disease?
