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Navicular syndrome, often called navicular disease, is a syndrome of lameness problems in horses. It most commonly describes an inflammation or degeneration of the navicular bone and its surrounding tissues, usually on the front feet. It can lead to significant and even disabling lameness. [1]
Navicular disease or navicular syndrome: a catch-all phrase used to describe pain in the palmar hoof which was originally attributed to damage to the navicular bone. MRI has since shown that navicular syndrome may be caused by damage to any of the structures within the hoof, including the navicular bone, the navicular bursa, the coffin joint ...
The disease was named after them, though there had been a 1925 report by Georg Schmidt of a similar case, but with no images provided. Mueller believed the problem was congenital; Weiss believed it was an osteonecrotic process as the radiological findings were similar to Keinbock's disease , another osteonecrotic condition.
The patient-reported perspective can be an important asset in gaining treatment or drug approval. [1] [2] There is no incentive for patients to report their outcome data other than to "pay it forward" to the community and help the health industry prevent unnecessary suffering in other patients. [citation needed]
Köhler disease (also spelled "Kohler" and referred to in some texts as Kohler disease I) [1] is a rare bone disorder of the foot found in children between six and nine years of age. The disease typically affects boys, but it can also affect girls. It was first described in 1908 by Alban Köhler (1874–1947), a German radiologist.
Accessory navicular bone may cause a continuous stretch and stress on the tibialis posterior tendon which can progress to chronic disabling pain and may cause tendon rupture or secondary flat foot deformity; when this occurs this condition is commonly known as accessory navicular syndrome.
In those with foot deformity, approximately 60% are in the tarsometatarsal joints (medial joints affected more than lateral), 30% metatarsophalangeal joints, and 10% have ankle disease. Over half of diabetic patients with neuropathic joints can recall some kind of precipitating trauma, usually minor.
The disease can progress very rapidly once symptoms present (severe damage can occur within as little as a day). [7] Because electrodiagnosis is one of the fastest and most direct methods of determining the presence of the illness and its proper classification, nerve conduction studies are extremely important. [ 16 ]