Klippel–Feil syndrome

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Klippel–Feil syndrome
Synonyms	Congenital fusion of cervical vertebrae
Pronounce
Specialty	Orthopedics, Genetics, Neurology
Symptoms	Short neck, low hairline, restricted neck movement
Complications	Scoliosis, Spina bifida, Hearing loss
Onset	Congenital
Duration	Lifelong
Types	N/A
Causes	Genetic mutations
Risks	Family history
Diagnosis	X-ray, MRI, CT scan
Differential diagnosis	Cervical spondylosis, Torticollis
Prevention	None
Treatment	Physical therapy, Surgery
Medication	Pain management
Prognosis	Variable
Frequency	Rare
Deaths	Rarely directly fatal

Klippel–Feil syndrome (KFS) is a rare congenital disorder characterized by the abnormal fusion of two or more cervical vertebrae. This condition is named after Maurice Klippel and André Feil, who first described it in 1912.

Presentation

Individuals with Klippel–Feil syndrome typically present with a short neck, low hairline at the back of the head, and limited range of motion in the neck. These classic features are often referred to as the "clinical triad" of KFS. However, the severity and combination of symptoms can vary widely among affected individuals.

Causes

Klippel–Feil syndrome is caused by mutations in genes that are involved in the development of the spine. The most commonly implicated genes include GDF6, GDF3, and MEOX1. These genetic mutations lead to the improper segmentation of the cervical vertebrae during embryonic development.

Diagnosis

Diagnosis of Klippel–Feil syndrome is typically made through clinical evaluation and imaging studies. X-rays, CT scans, and MRIs are commonly used to assess the extent of vertebral fusion and to identify any associated anomalies.

Associated Conditions

Individuals with Klippel–Feil syndrome may have other congenital anomalies, including:

• Scoliosis
• Spina bifida
• Hearing loss
• Congenital heart defects
• Renal anomalies

Treatment

There is no cure for Klippel–Feil syndrome, and treatment is primarily symptomatic and supportive. Management may include:

• Physical therapy to improve range of motion and strength
• Pain management strategies
• Surgical intervention in severe cases to correct spinal deformities or to relieve nerve compression

Prognosis

The prognosis for individuals with Klippel–Feil syndrome varies depending on the severity of the condition and the presence of associated anomalies. Many individuals lead relatively normal lives with appropriate medical management, although some may experience chronic pain and mobility issues.

See also

• Congenital disorder
• Scoliosis
• Spina bifida
• Hearing loss
• Congenital heart defect
• Renal anomaly

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