Type III, also known as cornuate or gorilliform navicular, is characterized by a very prominent navicular tuberosity resulting from bony fusion of the accessory ossification center with the tuberosity. Most cases are asymptomatic, but ANB may cause pain and tenderness in a small proportion (<1%).
In this regard, what is OS Tibiale Externum?
The accessory navicular (os navicularum or os tibiale externum) is an extra bone or piece of cartilage located on the inner side of the foot just above the arch. It is incorporated within the posterior tibial tendon, which attaches in this area.
Likewise, how do you treat accessory navicular disease?
For people with accessory navicular bone who experience severe symptoms, surgery may be considered to remove the bony growth. Other treatments may include medications such as nonsteroidal anti-inflammatories (NSAIDs), immobilizing the area with a cast or boot, and physical therapy .
What is Type 2 OS Naviculare?
Type II: consists of an accessory bone, up to 1.2cm in diameter, where synchondrosis develops between it and the navicular. Type III: is the fused accessory navicular resulting in a large cornuate shaped navicular.
What are the signs of navicular?
The telltale signs include:
- Intermittent forelimb lameness. Sometimes the horse seems sound in the pasture but is clearly lame in work.
- Short, choppy strides.
- Pointing a front foot or shifting weight from one foot to the other when standing.
- Soreness to hoof testers over the back third of the foot.