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Kohler Bone Disease
Aka: Kohler Bone Disease, Kohler's Disease, Avascular Necrosis of the Tarsal Navicular, Tarsal Navicular AVN
- See Also
- Osteochondritis
- Pediatric Limp
- Epidemiology
- Rare condition
- Age: Onset at age 2-8 years
- Gender: Boys affected 3-5 times more commonly than girls
- Pathophysiology
- Unknown etiology
- Not associated with Trauma
- Avascular necrosis of Tarsal Navicular
- Symptoms
- Presents with midfoot pain and Pediatric Limp (favoring unaffected side)
- Signs
- Local pain, tenderness, swelling over Tarsal Navicular
- Imaging: Foot XRay
- Flattening, sclerosis, fragmentation and irregularity of Tarsal Navicular
- Management
- Protect from excessive Trauma
- Rest
- Ice Therapy
- Short walking cast for 7-8 weeks
- Prognosis
- Spontaneous recovery by rule
- Complete Navicular re-ossification in 2-3 years
- References
- Achar (2019) Am Fam Physician 99(10): 610-8 [PubMed]
- Atanda (2011) Am Fam Physician 83(3): 285-91 [PubMed]
- Borges (1995) J Pediatr Orthop 15(5): 596-8 [PubMed]