Which are the symptoms of Fibular hemimelia?

Symptoms of Fibular Hemimelia

Fibular hemimelia is a rare congenital condition characterized by the absence or underdevelopment of the fibula bone in the lower leg. This condition can affect one or both legs and can vary in severity. The absence or abnormal development of the fibula bone can lead to a range of symptoms and complications that may require medical intervention and treatment.

1. Leg Length Discrepancy

One of the most noticeable symptoms of fibular hemimelia is a significant difference in leg length. The affected leg may be shorter than the unaffected leg, leading to an obvious limp or gait abnormality. The degree of leg length discrepancy can vary depending on the severity of the condition.

2. Foot Deformities

Fibular hemimelia can also cause various foot deformities, including:

• Clubfoot: The foot may be twisted inward or downward, making it difficult to walk or wear shoes properly.


• Equinovalgus: The foot may be turned upward and outward, causing instability and difficulty with weight-bearing.


• Calcaneovalgus: The foot may be turned outward, resulting in a flat foot appearance.

These foot deformities can further contribute to difficulties in walking and may require corrective measures such as bracing or surgery.

3. Knee and Hip Instability

The absence of the fibula bone can lead to instability in the knee and hip joints. This instability can result in joint laxity, limited range of motion, and difficulties with weight-bearing. Children with fibular hemimelia may experience frequent knee or hip dislocations, which can be painful and require medical attention.

4. Muscle Imbalances

The absence or underdevelopment of the fibula bone can disrupt the normal alignment and function of muscles in the affected leg. This can lead to muscle imbalances, weakness, and tightness. As a result, individuals with fibular hemimelia may have difficulty with activities that require strength, coordination, and balance.

5. Limb Lengthening

In some cases, limb lengthening procedures may be necessary to address the leg length discrepancy associated with fibular hemimelia. This involves gradually lengthening the affected leg using external fixation devices or internal implants. While limb lengthening can help improve symmetry and function, it is a complex process that requires careful monitoring and rehabilitation.

6. Psychological Impact

Fibular hemimelia can have a significant psychological impact on individuals, particularly children. The visible differences in leg length and foot deformities may lead to self-consciousness, low self-esteem, and difficulties with body image. It is important to provide emotional support and counseling to individuals with fibular hemimelia to help them cope with these challenges.

It is crucial to note that the symptoms and severity of fibular hemimelia can vary from person to person. Some individuals may have mild symptoms and require minimal intervention, while others may experience more significant complications that necessitate ongoing medical care and treatment.