disease has feature Avascular necrosis osteochondritis of tarsal/metatarsal bone https://rarediseases.info.nih.gov/diseases/6842/kohler-disease https://www.malacards.org/card/kohlers_disease Kohler's disease of the tarsal navicular Osteochondrosis of the tarsal bone juvenile osteochondrosis of foot SCTID:203392007 ICD9:732.5 osteochondritis of tarsal/metatarsal bone GARD:0006842 aseptic necrosis of the tarsal bone Kohler disease navicular Osteochondrosis A rare bone disease characterized by avascular necrosis of the navicular bone in children. Patients present with sudden unexplained foot pain, inability to bear weight, and limping. Radiographic features include flattening, fragmentation, and patchy sclerosis of the navicular bone. Soft tissue swelling may be associated. The condition is most commonly unilateral and self-limiting. Boys are more often affected than girls. MEDGEN:510539 Orphanet:2054 UMLS:C0158444 Kohler's disease MONDO:0016086 Orphanet:563991 Kohler's Osteochondrosis of the tarsal navicular DOID:11760 osteochondrosis