Common spontaneous Osteonecrosis syndromes
• Scaphoid (Preiser’s disease).
• Lunate (Kienböck’s disease).
• Basal phalanges (Thiemann’s disease).
• Capitulum of humerus (Panner’s disease).
• Vertebral body (Kummell’s disease).
• Femoral epiphysis (Legg–Calvé–Perthes).
• Tarsal navicular (Köhler’s disease).
• Second metatarsal head (Freiberg’s disease).
