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Klippel-Feil syndrome
ICD-10 Codes
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Description
What is Klippel-Feil Syndrome?
Klippel-Feil syndrome (KFS) is a rare congenital condition characterized by the abnormal fusion of two or more cervical vertebrae in the neck. This bone disorder results from the improper segmentation of cervical segments during early fetal development, leading to the congenital fusion of one or more cervical vertebrae.
Key Features:
- Short Neck: One of the most distinctive features of KFS is a short neck, which can be webbed or appear as a low hairline at the back of the head.
- Limited Neck Mobility: The abnormal fusion of cervical vertebrae can result in decreased range of motion (ROM) in the cervical spine, making it difficult to move the head and neck freely.
- Congenital Fusion: KFS is present from birth, with the vertebral fusion occurring during fetal development.
Other Associated Features:
- Scoliosis and/or kyphosis can occur due to fusions in the thoracic spine.
- Genetic mutations in genes GDF6 or GDF3 have been associated with KFS.
References:
- [1] Klippel-Feil syndrome is a rare congenital condition characterized by the abnormal fusion of two or more cervical vertebrae. (Source: #12)
- The cause of KFS is largely unknown, but most cases are spontaneous and found incidentally on imaging. (Source: #13)
- KFS can result in a limited ability to move the neck and shortness of the neck, resulting in the appearance of a low hairline. (Source: #11)
Additional Characteristics
- Klippel-Feil syndrome is a rare congenital condition characterized by the abnormal fusion of two or more cervical vertebrae in the neck.
- The abnormal fusion of cervical vertebrae can result in decreased range of motion (ROM) in the cervical spine, making it difficult to move the head and neck freely.
- or kyphosis can occur due to fusions in the thoracic spine.
- Klippel-Feil syndrome is present from birth, with the vertebral fusion occurring during fetal development.
- Genetic mutations in genes GDF6 or GDF3 have been associated with KFS.
Signs and Symptoms
Common Signs and Symptoms of Klippel-Feil Syndrome
Klippel-Feil syndrome (KFS) is a congenital bone condition characterized by the abnormal fusion of two or more vertebrae in the cervical spine. The symptoms of KFS can vary greatly from person to person, ranging from mild to severe.
Physical Symptoms:
- Limited range of motion in the neck [1]
- Short neck [8][9][11]
- Low hairline at the back of the head [8][9]
- Restricted mobility of the upper spine [9]
Other Associated Abnormalities:
- Abnormal kidney or reproductive organs, such as ectopic ureter [6]
- Additional neural tube defects (birth defects affecting the brain, spine, or spinal cord) [6]
- Neurological symptoms in some cases [7]
- Scoliosis and/or kyphosis due to fusions in the thoracic spine [11]
Symptom Severity:
- Symptoms can range from minor discomfort to severe pain and limited range of motion in the neck [5][10]
- The severity of symptoms can vary depending on how many vertebrae remain fused and/or the location of the congenital fusions [10]
It's essential to note that people with KFS may have few or no symptoms, while others may experience a wide range of physical and neurological symptoms. If you suspect you or someone else has KFS, it's crucial to consult with a medical professional for proper diagnosis and treatment.
References: [1] - Search result 1 [5] - Search result 5 [6] - Search result 6 [7] - Search result 7 [8] - Search result 8 [9] - Search result 9 [10] - Search result 10 [11] - Search result 11
Additional Symptoms
- Short neck
- Additional neural tube defects (birth defects affecting the brain, spine, or spinal cord)
- Limited range of motion in the neck
- Low hairline at the back of the head
- Restricted mobility of the upper spine
- Abnormal kidney or reproductive organs, such as ectopic ureter
- Neurological symptoms in some cases
- or kyphosis due to fusions in the thoracic spine
Diagnostic Tests
Diagnostic Tests for Klippel-Feil Syndrome
Klippel-Feil syndrome (KFS) can be diagnosed through a combination of clinical evaluation, imaging studies, and genetic testing.
- Imaging Studies: X-rays, CT scans, and MRI are commonly used to examine the bones of the neck and spine. These tests can help confirm the diagnosis by showing the abnormal fusion of two or more cervical vertebrae [7][8].
- Genetic Testing: Blood or saliva tests may be performed to identify genetic variations that affect the development of the bones in the neck, which can contribute to KFS [6][10].
- Clinical Evaluation: A thorough physical examination and medical history are essential for diagnosing KFS. Healthcare providers typically diagnose this syndrome in childhood, and sometimes even detect it in a fetus before birth [1][3].
Additional Diagnostic Tests
Other specialized tests may be performed to diagnose associated conditions, such as:
- Hearing issues
- Eye defects
- Kidney conditions
These tests can help determine the severity of KFS and guide proper treatment.
References:
[1] Context 2: Klippel-Feil syndrome is a rare bone disorder distinguished by the abnormal fusion of two or more bones in the neck. [3] Context 3: Klippel-Feil syndrome is often diagnosed at birth after a clinical evaluation. [6] Context 6: Tests that may help confirm the diagnosis include: Genetic testing. A blood or saliva test ... [7] Context 7: An official KFS diagnosis typically involves the following: Imaging studies. An x-ray and/or CT scan are likely to be taken to examine the bones. [8] Context 8: May 11, 2023 — Plain radiography is the basis for the diagnosis of KFS. Initial studies include anteroposterior (AP) and lateral views of the cervical spine. [10] Context 10: Klippel-Feil syndrome is a complex, congenital condition characterized by the abnormal fusion of 2 or more cervical vertebrae due to the failure of proper segmentation during early fetal development. ...
Additional Diagnostic Tests
- Clinical evaluation
- X-rays
- MRI
- CT scans
- Genetic testing (blood or saliva tests)
- Hearing issues test
- Eye defects test
- Kidney conditions test
Treatment
Treatment Options for Klippel-Feil Syndrome
Klippel-Feil syndrome (KFS) is a rare condition characterized by the fusion of two or more vertebrae in the neck. While there is no cure for KFS, various treatment options are available to manage symptoms and prevent complications.
- Mild Cases: For individuals with mild KFS, treatment may involve:
- Cervical collar: A brace that provides support and stability to the neck.
- Non-steroidal anti-inflammatory drugs (NSAIDs): To reduce pain and inflammation.
- Pain medication: To manage discomfort and pain.
- Severe Cases: In more severe cases of KFS, surgical intervention may be necessary to address skeletal, ocular, renal, cardiac, or auditory issues. Surgery can also help correct spinal deformities and improve neck mobility.
Symptom Management
Treatment plans for KFS primarily focus on symptom management, which includes:
- Physical Therapy: To maintain flexibility and range of motion in the neck.
- Medications: To manage pain, inflammation, and other symptoms.
- Surgery: In severe cases, surgery may be necessary to correct spinal deformities or address related health issues.
Preventing Complications
To prevent complications associated with KFS, such as scoliosis or spinal cord injuries, treatment plans often include:
- Regular Check-ups: Regular monitoring by healthcare professionals to detect any potential issues early on.
- Lifestyle Modifications: Avoiding activities that may exacerbate symptoms or increase the risk of injury.
References
[1] Klippel-Feil syndrome (KFS) is a rare condition in which two or more of the vertebrae in your neck are fused together. KFS affects many other parts of your body as well. ... Symptoms include short neck, limited neck mobility and low back-of-head hairline. Treatment depends on severity of your symptoms. Treatments range from devices to protect (Source: [1])
[2] If you have mild Klippel-Feil treatment, you might need a cervical collar, a brace, non-steroidal anti-inflammatory drugs, and pain medication. More severe cases could require surgery for skeletal, ocular, renal, cardiac, or auditory repairs. (Source: [2])
[3] Currently, there is no cure for KF syndrome. Most people with KF syndrome can expect positive outcomes if they receive prompt treatment. However, doctors may recommend avoiding activities that might cause a neck injury. (Source: [3])
[4] Treatment may include non-surgical options such as bracing and physical therapy, or surgical options such as spinal fusion or implanting growing rods to correct deformities and improve mobility. (Source: [8])
Recommended Medications
- NSAIDs
- Pain medication
- Cervical collar
💊 Drug information is sourced from ChEBI (Chemical Entities of Biological Interest) database. Always consult with a healthcare professional before starting any medication. Click on any medication name for detailed information.
Differential Diagnosis
Differential Diagnosis of Klippel-Feil Syndrome
Klippel-Feil syndrome (KFS) is a rare congenital condition characterized by the abnormal fusion of two or more cervical vertebrae. When diagnosing KFS, it's essential to consider various differential diagnoses that may present similar symptoms.
Possible Differential Diagnoses:
- Ankylosing Spondylitis: An inflammatory spondyloarthropathy that affects the spine, sacroiliac joints, peripheral joints, and entheses. It can cause conjunctivitis and uveitis, which may be mistaken for KFS symptoms [4][14].
- Healing Osteomyelitis or Discitis: Inflammation of the bone or disc in the spine, which can lead to fusion of vertebrae, similar to KFS [10].
- Previous Fusion without Instrumentation: A surgical history of spinal fusion may be mistaken for congenital fusion seen in KFS [8][15].
- Juvenile Idiopathic Arthritis: An autoimmune disease that affects the joints and spine, which can cause symptoms similar to KFS [4][7].
- Surgical Fusion: A previous surgical procedure on the spine may be misdiagnosed as a congenital condition like KFS [8][15].
Other Conditions to Consider:
- Morquio Syndrome: A genetic disorder that affects the production of enzymes, leading to skeletal abnormalities and short stature. It can cause symptoms similar to KFS, such as fusion of cervical vertebrae [15].
- Tuberculosis of Cervical Spine: An infection that can cause inflammation and fusion of vertebrae in the neck, which may be mistaken for KFS [15].
Important Considerations:
When diagnosing KFS, it's crucial to consider these differential diagnoses and rule them out through a thorough medical history, physical examination, and imaging studies. A correct diagnosis of KFS can only be established by excluding other possible causes of cervical spine fusion.
References:
[4] - Ankylosing spondylitis is an inflammatory spondyloarthropathy that affects the spine, sacroiliac joints, peripheral joints, and entheses and could cause conjunctivitis and uveitis. [7] - Juvenile idiopathic arthritis · a) Ankylosing spondylitis · b) Chronic discitis · c) Surgical fusion · d) Juvenile idiopathic arthritis. [8] - Spinal fusion: Congenital fusion of the spine needs to be distinguished from acquired causes of fusion, including surgery, ankylosing ... [10] - The differential diagnosis of Klippel-Feil syndrome in older children and adults includes conditions such as ankylosing spondylitis, juvenile idiopathic arthritis, and previous spinal fusion. [14] - Ankylosing spondylitis is an inflammatory spondyloarthropathy that affects the spine, sacroiliac joints, peripheral joints, and entheses and could cause conjunctivitis and uveitis. [15] - Klippel-Feil syndrome is a condition involving fusion of cervical vertebrae and associated changes in neck length and mobility, with low hairline posteriorly.
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