Tetramelic monodactyly is a rare congenital disorder characterized by the absence of four fingers on one hand. It is caused by a genetic mutation and is usually accompanied by other physical abnormalities.

The main symptom of Tetramelic monodactyly is the absence of four fingers on one hand. Other symptoms may include:

- Shortening of the affected hand

- Abnormal curvature of the affected hand

- Abnormal shape of the affected hand

- Abnormal placement of the thumb

- Abnormal placement of the remaining fingers

- Abnormal placement of the wrist

- Abnormal placement of the elbow

- Abnormal placement of the shoulder

- Abnormal placement of the shoulder blade

- Abnormal placement of the clavicle

- Abnormal placement of the ribs

- Abnormal placement of the vertebrae

- Abnormal placement of the pelvis

- Abnormal placement of the hip joint

- Abnormal placement of the knee

Tetramelic monodactyly is a rare congenital disorder characterized by the absence of four fingers on one hand. The exact cause of this condition is unknown, but it is believed to be caused by a genetic mutation or a combination of genetic and environmental factors. Other possible causes include chromosomal abnormalities, exposure to certain toxins, and maternal health conditions.

Treatment for Tetramelic monodactyly typically involves reconstructive surgery to restore the missing digits. This may involve transferring a toe from the foot to the hand, or using a flap of skin from the forearm to create a new finger. In some cases, prosthetic devices may be used to replace the missing digits. Physical therapy may also be recommended to help the patient adjust to the new digits and to improve the range of motion and strength of the affected hand.

The exact cause of Tetramelic monodactyly is unknown, but it is thought to be caused by a genetic mutation. Risk factors for Tetramelic monodactyly include a family history of the condition, being of a certain ethnic background, and having a mother who is over the age of 35.

At this time, there is no known cure or medications for Tetramelic monodactyly. Treatment typically involves physical therapy and occupational therapy to help the affected person learn to use the remaining limb and adapt to their disability. Surgery may be recommended to correct any deformities or to improve the function of the remaining limb.