Humero-radial synostosis is a rare congenital condition in which the radius and humerus bones of the forearm are fused together. This fusion can cause the forearm to be bent or curved, and can limit the range of motion of the elbow and wrist. Treatment typically involves surgery to separate the bones and restore normal movement.

The most common symptoms of humero-radial synostosis include:

-Limited range of motion in the elbow joint
-Pain in the elbow joint
-Decreased strength in the affected arm
-A visible bump on the elbow joint
-A curved or bent appearance of the forearm
-A decrease in the size of the hand on the affected side

Humero-radial synostosis is a rare congenital condition in which the radius and humerus bones of the forearm fuse together. The exact cause of this condition is unknown, but it is believed to be due to genetic factors, environmental factors, or a combination of both. Possible causes include chromosomal abnormalities, exposure to certain medications or toxins, and maternal diabetes.

The treatment for humero-radial synostosis depends on the severity of the condition. In mild cases, physical therapy and bracing may be used to help improve range of motion and strength. In more severe cases, surgery may be necessary to correct the deformity and improve range of motion. Surgery may involve releasing the fused joint, realigning the bones, and using pins, plates, or screws to hold the bones in place. After surgery, physical therapy and bracing may be used to help with recovery.

1. Genetic predisposition: Humero-radial synostosis is believed to be caused by a genetic mutation, and it is more common in certain families.

2. Premature birth: Babies born prematurely are more likely to develop Humero-radial synostosis.

3. Low birth weight: Babies with a low birth weight are more likely to develop Humero-radial synostosis.

4. Exposure to certain medications: Certain medications, such as anticonvulsants, can increase the risk of Humero-radial synostosis.

5. Exposure to radiation: Exposure to radiation, such as X-rays, can increase the risk of Humero-radial synostosis.

At this time, there is no cure for humero-radial synostosis. Treatment typically involves surgery to correct the deformity and restore normal range of motion. Medications may be prescribed to help manage pain and inflammation.