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Occipital condyle syndrome.

David J Capobianco1, Paul W Brazis, Frank A Rubino

  • 1Department of Neurology, Mayo Clinic, Jacksonville, Fla 32224, USA.

Headache
|May 15, 2002
PubMed
Summary
This summary is machine-generated.

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Occipital condyle syndrome presents with unilateral head pain and 12th cranial nerve weakness, often due to skull base metastasis. Early diagnosis is crucial for effective treatment of this rare condition.

Area of Science:

  • Neurology
  • Oncology
  • Radiology

Background:

  • Occipital condyle syndrome (OCS) is characterized by unilateral occipital pain and 12th cranial nerve (hypoglossal nerve) paresis.
  • This syndrome is frequently caused by metastasis to the skull base and is often underdiagnosed.

Observation:

  • A retrospective case series of 11 patients (8 men, 3 women) aged 32-72 years with OCS was analyzed.
  • All patients presented with severe, unilateral occipital pain ipsilateral to the 12th nerve paresis.
  • Symptoms included dysarthria (all patients) and dysphagia (3 patients), with pain preceding nerve weakness in most cases.

Findings:

  • Imaging studies including CT, bone scans, and MRI were abnormal in all evaluated OCS cases.
  • Primary malignancies, most commonly breast and prostate cancer, were identified in 9 patients.

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  • In 2 cases, OCS was the initial presentation of metastatic disease.

    • Implications:

    • Early detection of occipital condyle syndrome is critical for timely therapeutic intervention.
    • Radiologic evaluation of the craniovertebral junction, particularly the occipital condyles, should be standard for suspected OCS.
    • Consider OCS in patients with persistent occipital pain and a history of cancer.