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Cardiology47 papers

Retrosphenoidal space syndrome

Last edited: 4/15/2026

Overview

Quadrilateral space syndrome (QSS) is a rare condition characterized by compression of neurovascular structures within the quadrilateral space, leading to symptoms such as neck and shoulder pain, often misdiagnosed due to nonspecific presentations 3.

Diagnosis

  • Clinical Examination: Tenderness in the quadrilateral space is a key finding 3.
  • Imaging: MRI can aid diagnosis by identifying venous varicosities, tortuosity, and engorgement within the quadrilateral space 1.
  • Reliability of MRI Findings: High intra-rater reliability for detecting venous tortuosity and engorgement supports the use of MRI as a diagnostic tool 1.
  • Management

  • Early Surgical Decompression: Recommended as soon as QSS is diagnosed to alleviate symptoms 3.
  • No Specific Drug Therapy Mentioned: No evidence provided for pharmacological interventions 13.
  • Special Populations

  • No Specific Data Provided: Abstracts do not cover special populations such as pregnancy, pediatrics, elderly, or comorbidities 13.
  • Key Recommendations

  • Utilize MRI with Focus on Venous Varicosities for Diagnosis: MRI findings of venous varicosities can significantly aid in diagnosing QSS (Evidence: Moderate 1).
  • Initiate Surgical Decompression Early Upon Diagnosis: Early surgical intervention is crucial for effective management (Evidence: Weak 3).
  • Clinical Tenderness in Quadrilateral Space as Primary Diagnostic Cue: Presence of tenderness in the quadrilateral space should prompt further imaging evaluation (Evidence: Expert opinion).
  • References

    1 Ying L, Han D, Ying L, Wang D, Wang Z, Tung TH et al.. MRI sign of venous varicosity aids in diagnosis of quadrilateral space syndrome: A comparative study. European journal of radiology 2026. link 2 Southern T, Roberts DP, Moiseev N, Ross A, Kim JH. Space suit glove design with advanced metacarpal phalangeal joints and robotic hand evaluation. Aviation, space, and environmental medicine 2013. link 3 Chen D, Cai P, Lao G, Gu Y. Quadrilateral space syndrome. Chinese medical journal 1995. link

    Original source

    1. [1]
      MRI sign of venous varicosity aids in diagnosis of quadrilateral space syndrome: A comparative study.Ying L, Han D, Ying L, Wang D, Wang Z, Tung TH et al. European journal of radiology (2026)
    2. [2]
      Space suit glove design with advanced metacarpal phalangeal joints and robotic hand evaluation.Southern T, Roberts DP, Moiseev N, Ross A, Kim JH Aviation, space, and environmental medicine (2013)
    3. [3]
      Quadrilateral space syndrome.Chen D, Cai P, Lao G, Gu Y Chinese medical journal (1995)

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