Kienböck Disease (Kienböck's Disease) By David R Steinberg, MD, Perelman School of Medicine at the University of Pennsylvania Reviewed / Revised Apr 2022 | Modified Sep 2022 View Patient Education Symptoms and Signs Diagnosis Treatment Topic Resources Kienböck Disease (Posteroanterior... Kienböck Disease (Oblique... Kienböck disease is avascular necrosis of the lunate bone.