M21.06

Clinical Causes: Developmental factors, especially in children where knock knees are part of normal growth and usually correct themselves over time. Nutritional deficiencies, such as rickets caused by vitamin D deficiency, leading to weakened bones. Trauma or injury to the growth plates of the knee during childhood or adolescence. Obesity, which exerts extra stress on the knees, potentially leading to deformity. Underlying bone disorders or congenital conditions affecting limb development. Arthritis or degenerative joint diseases that alter the structure of the knee joint over time. Genetic predispositions which influence bone growth and joint structure. Infections or inflammation around the knee that affect growth and joint stability.

Key Symptoms: Knees that angle inward and touch each other when standing with feet apart. Visible asymmetry of the legs, often more pronounced when standing or walking. Enlarged or prominent inner knee areas, giving a bow-shaped appearance. Pain or discomfort in the knee joints, especially after activity. Difficulty walking or maintaining balance due to joint misalignment. Potential development of uneven wear on the knee cartilage, leading to joint stiffness or arthritis. In some cases, associated gait abnormalities or limp.

Diagnosis Path: Diagnosis of genu valgum involves a combination of physical examination and imaging studies. A healthcare provider will assess leg alignment, measure the degree of deformity, and check for associated symptoms. Imaging techniques, such as X-rays, help evaluate bone structure, joint integrity, and identify any underlying bone abnormalities or growth plate issues. The degree of deformity is often quantified to determine the severity and guide treatment decisions.

Treatment Protocols: Treatment approaches are tailored based on the severity of the deformity, age, underlying causes, and associated symptoms. Common options include: - Observation and monitoring, especially in children, as mild cases often resolve naturally over time. - Nutritional support and supplementation if deficiencies like vitamin D or calcium are contributing factors. - Physical therapy to strengthen muscles around the knee and improve alignment. - Use of orthotic devices or braces to support proper leg alignment. - In cases of severe deformity or persistent problems, surgical intervention such as guided growth procedures or osteotomy may be considered to correct limb alignment. - Management of underlying conditions, like arthritis or bone diseases, to prevent further joint damage. It is essential to consult with healthcare professionals for an accurate diagnosis and tailored management plan.