Health & Fitness

What is Cornuate navicular?

By: Noelle PillayUpdated: December 19, 2020


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    October 03, 2022
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.


Why does my navicular hurt?

The accessory navicular bone is easily felt in the medial arch because it forms a bony prominence there. Pain may occur if the accessory bone is overly large causing this bump on the instep to rub against footwear. This painful condition is called accessory navicular syndrome.

What type of bone is the navicular?

The navicular is an intermediate tarsal bone on the medial side of the foot, which articulates proximally with the talus. Distally it articulates with the three cuneiform bones. In some individuals it also articulates laterally with the cuboid. The tibialis posterior tendon inserts into the navicular bone.

Why does my navicular bone stick out?

However, some people with this extra bone develop a painful condition known as accessory navicular syndrome when the bone and/or posterior tibial tendon are aggravated. This can result from any of the following: Chronic irritation from shoes or other footwear rubbing against the extra bone. Excessive activity or

How long does it take for a navicular bone to heal?

A minimum of eight weeks nonweightbearing in a cast is important. These fractures may take 3-4 months before they heal. In some cases, the fracture does not heal and the condition becomes more chronic.

Is accessory navicular rare?

When the navicular tuberosity develops from a secondary ossification center and fails to unite during childhood, an accessory navicular bone results. An estimated 5 to 14 percent of all feet develop an accessory navicular bone. Three types of accessory navicular bones have been classified.

Is scaphoid the same as navicular?

A navicular fracture (also called a scaphoid fracture) is a break in a small bone on the thumb side of your wrist. Of the eight carpal bones in your wrist, your navicular bone is the most likely one to break. If your navicular bone does not heal well, you can have long-term pain, stiffness, or arthritis in your wrist.

How do you fix navicular bone?

If nonsurgical treatment fails to relieve the symptoms of accessory navicular syndrome, surgery may be appropriate. Surgery may involve removing the accessory bone, reshaping the area and repairing the posterior tibial tendon to improve its function. This extra bone is not needed for normal foot function.

Where is the navicular bone located?

Navicular. The navicular is a boat-shaped bone located in the top inner side of the foot, just above the transverse. It helps connect the talus, or anklebone, to the cuneiform bones of the foot.

Can a horse with navicular be ridden?

Ideally, horses with navicular disease should never go barefoot. Turn your horse out in a pasture or paddock all day every day, if possible, and limit his time in the stall. If he's still sound enough to ride, try to do so only on soft footing.

What is the inside of the foot called?

The midfoot is a pyramid-like collection of bones that form the arches of the feet. These include the three cuneiform bones, the cuboid bone, and the navicular bone. The hindfoot forms the heel and ankle.

What does the navicular bone do in the foot?

The navicular is a boat-shaped bone located in the top inner side of the foot, just above the transverse. It helps connect the talus, or anklebone, to the cuneiform bones of the foot.

What do you do for a horse with navicular?

For acute pain, a veterinarian might prescribe a non-steroidal anti-inflammatory drug (NSAID) such as bute or firocoxib to help make the horse more comfortable and break the conditions initial pain cycle, Peters says. Bisphosphonates are another drug treatment option for specific navicular syndrome cases.

Why is there a bone sticking out of the side of my foot?

When the bone or tissue at the big toe joint moves out of place it forces your big toe to bend toward your other toes, causing a large, often painful lump of bone on the outside of your foot. This lump is called a bunion from the Latin word “bunio” meaning enlargement.

Do I have a navicular stress fracture?

What Are the Symptoms of a Navicular Stress Fracture? Your child will have vague, aching pain along the inner side of the foot near the arch. It may come on slowly over time and get worse during and following physical activity. Sprinting, jumping and pushing-off are movements that aggravate the pain.

Does everyone have a navicular bone?

An accessory navicular is an extra bone that is on the inner center arch of the foot. Up to 2.5 percent of individuals are born with the accessory navicular. Throughout early childhood, this condition is not noticed.