Q71.893

Clinical Causes: Genetic mutations or inherited factors Environmental influences during pregnancy, such as exposure to harmful chemicals or medications Teratogenic exposures, including certain drugs or alcohol Linked syndromes or chromosomal abnormalities Unknown or multifactorial causes

Key Symptoms: Underdeveloped or absent fingers or hands on both limbs Limited or restricted movement of the upper limbs Disproportionate limb sizes or shapes Presence of deformities or limb malformations Possible associated anomalies in other organs or systems

Diagnosis Path: Diagnosis is typically made through a physical examination at birth or during early childhood, noting the absence or underdevelopment of parts of the upper limbs. Imaging studies such as X-rays can provide detailed information about the bone structure and extent of the defect. Further assessments may involve genetic testing to identify underlying syndromes or chromosomal issues. A multidisciplinary team approach is often necessary for comprehensive diagnosis and planning of management strategies.

Treatment Protocols: Management of bilateral reduction defects of the upper limbs varies according to the severity and specific needs of the individual. Possible approaches include: - **Rehabilitative therapies:** Physical and occupational therapy to improve functionality and adaptability. - **Prosthetic devices:** Custom-made prosthetic limbs to enhance mobility and independence. - **Surgical interventions:** Corrective surgeries to improve limb function or appearance, when appropriate. - **Assistive technologies:** Adaptive tools and devices to support daily activities. - **Psychological support:** Counseling and support groups to help cope with emotional and social challenges. Early intervention and a personalized treatment plan are essential for maximizing functional outcomes and quality of life.