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Piriform syndrome.

J B Pace, D Nagle

    The Western Journal of Medicine
    |June 1, 1976
    PubMed
    Summary
    This summary is machine-generated.

    Piriform syndrome, often confused with disc problems, causes low back and leg pain. Diagnosis involves physical tests, and treatment with local injection offers a cure.

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    Area of Science:

    • Musculoskeletal Medicine
    • Pain Management
    • Neurology

    Background:

    • Piriform muscle trigger points are frequently misdiagnosed as discogenic disease.
    • This confusion can lead to unnecessary surgical interventions.
    • Piriform syndrome presents with characteristic low back, hip, and leg pain patterns.

    Purpose of the Study:

    • To highlight the diagnostic criteria for piriform muscle trigger points.
    • To differentiate piriform syndrome from other causes of low back and leg pain.
    • To emphasize the efficacy of local injection treatment.

    Main Methods:

    • Clinical diagnosis based on patient history and physical examination.
    • Specific tests include assessment of pain during resisted thigh abduction-external rotation.

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  • Palpation of the piriform muscle belly to elicit tenderness and reproduce symptoms.

    • Main Results:

    • Piriform syndrome diagnosis relies on specific physical findings and patient history.
    • Pain radiating down the leg, especially in female patients with dyspareunia, suggests piriform syndrome.
    • Tenderness and symptom reproduction upon digital pressure confirm the diagnosis.

    Conclusions:

    • Piriform syndrome is a distinct clinical entity that can be accurately diagnosed through physical examination.
    • Local injection into the piriform muscle belly is a curative treatment.
    • Diagnostic imaging (X-rays, lab tests) is not indicated for piriform syndrome.