Avascular necrosis of the talar dome is also known as?

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Avascular necrosis of the talar dome is Diaz disease. The talus relies on a delicate blood supply, and when it’s disrupted the bone in the dome can die, leading to pain, potential collapse of the dome, and ankle arthritis over time. Diaz disease is the historical term used to describe this specific necrosis of the talar dome. The other options refer to different bones or conditions—Mueller-Weiss affects the navicular, Monckeberg sclerosis is arterial calcification, and Panner disease involves the elbow—so they don’t describe avascular necrosis of the talar dome.